| Entries |
| Document | Title | Date |
|---|
| 20080196764 | System For Accurately Weighing Solids And Control Mechanism For Same - A system, including a closed chamber ( | 08-21-2008 |
| 20080202592 | Direction control valve for shower irrigating applications - Embodiments of the presently described technology provide a direction control valve including first and second orifices and a pressure release mechanism. The first and second orifices provide a path of fluid flow through the valve from an inlet port to a first outlet port. The pressure release mechanism is configured to reduce pressure in the valve through a second outlet port. Embodiments of the presently described technology also provide a direction control valve including first and second fluid communication paths. The first fluid communication path is defined by an inlet port, first and second orifices, and a first outlet port. The second fluid communication path is defined by the inlet port, the first orifice, a pressure release mechanism, and a second outlet port. The second fluid communication path of the valve does not exist until an internal pressure of the valve exceeds a predetermined threshold. | 08-28-2008 |
| 20080202593 | Fluid-flow system, device and method - Methods, devices, and systems are disclosed for combining fluids of different pressures and flow rates in, for example, gas gathering systems, gas wells, and other areas in which independently powered compressors or pumps are not desired. | 08-28-2008 |
| 20080210307 | CONTROL OF SLIT VALVE DOOR SEAL PRESSURE - Apparatuses and methods are provided for sealing a slit valve passage between two substrate processing chambers. A body with two openings to register with openings in the walls of the process chambers, and a passageway between them, houses a sealing member configured to extend and retract to block or open the passageway. The sealing member comprises a seal on one face that covers one opening, and a moveable lateral extension on the other face that braces against the other opening. The extension is actuated to contact the wall of the body, providing a bracing or sealing force to the seal on the other face of the sealing member. The sealing force may be adjusted by varying the gas pressure to the sealing member based on pressure conditions in the process chambers. | 09-04-2008 |
| 20080251129 | System and method for collecting and increasing the pressure of seal leak gas - A system and a method for recovering and increasing the pressure of seal leak gas for recycle or passage to further processing. | 10-16-2008 |
| 20080251130 | SYSTEM AND METHOD FOR HYDRAULICALLY MANAGING FLUID PRESSURE DOWNSTREAM FROM A MAIN VALVE - A system and method for controlling fluid pressure downstream a main valve includes associating a variable orifice with the main valve such that the variable orifice opens as the main valve is opened and closes as the main valve is closed. A fluid stream taken from a fluid inlet of the main valve is passed to an inlet of the variable orifice. A fixed orifice is in fluid communication with an outlet of the variable orifice. A pressure differential between the inlet and outlet of a fixed orifice is detected by a control pilot device, which hydraulically opens or closes the main valve in response to the detected fixed orifice pressure differential between low pressure and high pressure set points. | 10-16-2008 |
| 20080257415 | Method for Water Hammerless Opening of Fluid Passage,and Method for Supplying Chemical Solutions and Device for Water Hammerless Opening for Which the Method is Used - The water hammerless opening device comprises an actuator operating type valve installed on the fluid passage, an electro-pneumatic conversion device to supply the 2-step actuator operating pressure Pa to the afore-mentioned actuator operating type valve, a vibration sensor removably fixed to the pipe passage on the upstream side of the actuator operating type valve, and a tuning box to which the vibration detecting signal Pr detected by the vibration sensor is inputted, through which the control signal Sc to control the step operating pressure Ps′ of the afore-mentioned 2-step actuator operating pressure Pa is outputted to the electro-pneumatic conversion device, and with which the 2-step actuator operating pressure Pa, of the step operating pressure Ps′ which makes the vibration detecting signal Pr nearly zero, is outputted from the electro-pneumatic conversion by adjusting the control signal Sc. | 10-23-2008 |
| 20080264492 | Methods for pressurizing boil off gas - A method for pressurizing vapor from a liquefied gas is provided. At least a portion of a storage tank overhead vapor stream can flow to an eductor and at least a portion of a hydrocarbon liquid stream can flow to the eductor. The hydrocarbon liquid stream can have a higher pressure than the vapor stream. The vapor stream and the hydrocarbon liquid stream can be combined within the eductor to provide a mixed stream. The mixed stream can be pressurized within the eductor. | 10-30-2008 |
| 20080314454 | Method for Controlling the Progression of a Fluid In a Microfluidic Component - The method for controlling the progression of a fluid, from upstream to downstream, in a microfluidic component comprising for example a plurality of microchannels each comprising a plurality of successive reaction or detection zones and a plurality of passive valves, controls the progression of the fluid in the microchannels by controlling the increase of a pressure difference between upstream and downstream of the component. The method controls the pressure difference increase discontinuously in the form of enabling pulses so as in particular to synchronize passing of the corresponding passive valves of the microchannels. The pressure difference is advantageously adjusted to a zero value between two successive enabling pulses. | 12-25-2008 |
| 20090050212 | METHOD AND APPARATUS FOR SAMPLE INJECTION IN LIQUID CHROMATOGRAPHY - The present invention provides a method and apparatus for substantially eliminating destructive transients of pressure or flow rate which can degrade the efficiency and useful lifetime of chromatography columns. The present invention enables a substantially constant flow of mobile phase liquid to be maintained through the chromatography system by eliminating the flow blockage interval associated with the actuation of sample injection valves. The present invention further provides a method to reduce the pressure and flow rate transients associated with pressurization of the sample loop contents when the sample loop is introduced to chromatography system delivery pressure. | 02-26-2009 |
| 20090078321 | Gas pressure regulator having a regulator cap for a bayonet engagement with the regulator body - A gas pressure regulator comprising a housing. The housing includes a regulator cap and a regulator body. The regulator cap and the regulator body engage one another through the use of bayonets on one of the regulator cap or the regulator body and pockets on the other of the cap or body. The regulator housing includes a piston having a piston stem in a piston head. The piston stem has a channel and a seat seal on a removed end thereof, the channel for carrying gas to the piston head. The piston head also engages a piston spring. The regulator housing also includes an adjustable seat for receiving a high pressure compressed gas at one end and providing it to the piston stem at a second end. The adjustable seat is adjustable, such that when it is adjusted away from the piston stem, higher cutoff pressure is required than when it is closer. A kit for assisting in adjusting the outlet pressure of the gas pressure regulator is provided, as is a clamp and tools for engaging and disengaging the regulator cap from the regulator body. | 03-26-2009 |
| 20090090416 | FLUID LEVEL REGULATOR - A biological specimen collection and transfer system, including a biological sample container configured for storing a biological fluid sample, a vacuum source, a specimen filter having an interior chamber and an opening in communication with the chamber, and a fluid level regulator configured to determine a fluid level in the biological sample container and to dispense a fluid into the container if the determined fluid level is less than a desired fluid level. The fluid level regulator includes a fluid level monitor, a fluid dispenser, and a controller in communication with the fluid level monitor and the fluid dispenser, wherein the fluid level monitor includes a sound source configured to emit sound towards a surface of the fluid sample, and a sound detector configured to measure sound reflected from the surface of the fluid sample, wherein the controller determines the fluid level based at least in part on a measurement of reflected sound emitted from the sound source. | 04-09-2009 |
| 20090107556 | Fluid Dispensing Fake Body Part and Method for Making the Same - An apparatus that resembles a part of the human body that can dispense fluids is disclosed. The body part is made out of a polymer, where the shape of the body part is determined by a mold. Tubing is used to transport the liquid. One end of the tubing is flush with the edge of the body part such that the tube does not protrude from the body part but also can dispense fluid freely. A nozzle can be included in this end to direct the flow of the fluid. The other end of the tubing is connected to a container with a pump, where the pump can dispense continuous or specific amounts of fluid. Alternatively, gravity can be used to force the fluid through the nozzle. The apparatus can be designed for use by an individual or separate from an individual. | 04-30-2009 |
| 20090114286 | PIEZOELECTRIC PRESSURE CONTROL VALVE - A pressure control valve having a common plenum formed by two flow control valves that each utilize electrically controlled piezoelectric actuators to generate a number of possible operating states and thus control an output pressure from the common plenum formed by the two flow control valves. The flow control valves each have at least one pressure fitting and nozzle, and a nozzle orifice sealing mechanism coupled to the piezoelectric actuator. The piezoelectric actuator may be a piezo-ceramic actuator fixed along one side to a chamber of the flow control valve and having a free side opposite the fixed side. Upon receiving a voltage of a desired magnitude and polarity, the free side of the piezo-ceramic actuator and the nozzle orifice sealing mechanism moves to control a fluid flow into the common plenum. By controllably dithering the piezoelectric actuators, the output pressure from the common plenum may be accurately regulated. | 05-07-2009 |
| 20090126799 | Compact beverage pressure regulator - The present invention provides a new and unique pressure regulator featuring a body member for regulating the pressure of a fluid flowing therein, the body member having two ends, one end for receiving the fluid and another end for providing pressure regulated fluid; and a quick-disconnect device arranged on at least one end for coupling the body member to a corresponding quick-disconnect device that forms part of a device that either provides the fluid or receives the pressure regulated fluid. The pressure regulator may have two quick-disconnect devices, each quick-disconnect device being arranged on a respective end of the body member. The quick-disconnect device may include a male quick-disconnect device for coupling to a corresponding female quick-disconnect device that forms part of either a hose or a dispenser for providing the fluid or a pump for receiving the pressure regulated fluid; or a female quick-disconnect device for coupling to a corresponding male quick-disconnect device that forms part of either a hose or a dispenser for providing the fluid or a pump for receiving the pressure regulated fluid. The present invention may also include a method for coupling such a quick-disconnect device of such a pressure regulator to such a corresponding quick-disconnect device of a pump for providing fluid flow, as well as a combination of such a pressure regulator and such a pump for providing fluid flow. | 05-21-2009 |
| 20090151792 | Liquid Feeding Method and Cartridge To Be Used Therein - A liquid feeding method for feeding liquid in a minute flow path is provided. The minute flow path includes flow paths | 06-18-2009 |
| 20090159133 | Electro-Mechanically Controlled Ceramic Based Proportional Valve - An electromechanically-controlled ceramic based proportional valve is disclosed. The apparatus may be manufactured with an accompanying ceramic pressure breakdown orifice pack. The apparatus is designed to utilize the wear-resistant properties of ceramic valve components to control the flow of high-pressure fluids using a servo-driven mechanical actuator. The apparatus is designed to control the closing of the poppet valve to prevent slamming of the poppet head into the poppet seat during closing, further preventing wear and tear on the apparatus components. The accompanying pressure breakdown pack is designed to systematically reduce high pressure and high velocity water flow through the device to allow the water to exit at a prescribed lower pressure and flow rate. The breakdown pack also prevents harmful cavitation in the valve assembly by handling the cavitation internally rather than allowing it to propagate itself through the entire valve assembly. The breakdown pack allows for the pre-filling of descaling spray headers in a steel mill descaling system. These headers need to be saturated with water prior to the high-pressure fluid entering the circuit | 06-25-2009 |
| 20090165863 | FLUID PRESSURE REGULATOR WITH NO-DRAIN VALVE - A fluid pressure regulator with a no-drain valve, characterized in that—when the fluid pressure decreases at the regulator's flow inlet to pre-set level, a no-drain spring means of the regulator, overcomes the force exerted by the fluid pressure upon the regulator's no-drain valve component and a protruding shoulder formed around its circumference, pushing a no-drain piston assembly of the regulator and stresses its no-drain valve component towards an exit flow control opening formed in the regulator, to the fully closed state of the regulator's no-drain valve component; and upon an ongoing increase of the fluid pressure at the flow inlet to a pre-set level that is still lower than the designed regulated pressure of the regulator or at most equal to the designed regulated pressure of the regulator, the force that the fluid pressure exerts on the protruding shoulder surface area formed around the circumference of the regulator's no-drain valve component, overcomes a no-drain spring means and propels the regulator's no-drain piston assembly and with it, the no-drain valve component, upon a bushing component within a cylinder assembly and through its second, open opposite end of that cylinder assembly, while opening an exit flow control opening to fluid passage from the flow inlet of the regulator to its flow outlet; and with a further increase of the fluid pressure at the flow inlet to a level higher than the designed regulated pressure of the regulator, and in order to control the flow through the regulator towards the flow outlet from its housing assembly, the regulator's no-drain piston assembly drives a bushing component carried upon a rod component to move together—the regulator's no-drain piston assembly and its piston assembly, towards a flow control opening formed in the regulator's housing assembly. | 07-02-2009 |
| 20090173391 | Adjustable pressure relief valve - A one-way flow valve is provided wherein the one-way flow valve may comprise a first section and a second section of a housing. A valve member may be disposed between the first and second sections of the housing that permit fluid flow through one direction of the one-way flow valve but prevents fluid from flowing in the reverse direction. The opening pressure (i.e., the pressure differential across the valve member) to permit flow through the one-way flow valve may be increased or decreased by inserting (e.g., threadably engaging) the second section of the housing deeper into the first section of the housing or withdrawing (e.g., threadably disengaging) the second section of the housing from the first section of the housing. | 07-09-2009 |
| 20090183779 | NO-DRIP CHECK VALVES - A mechanism to check fluid flow from a tube or spigot when it is disconnected from a downstream conduit is provided. The mechanism includes a duckbill check valve that has its bills pointed in the upstream direction. To keep the bills apart for the fluid flow to continue, the downstream conduit has to be inserted against the underside of the bills. Once the downstream conduit separates from the valve, the valve closes itself. | 07-23-2009 |
| 20090188566 | PNEUMATIC PRESSURE REGULATOR - The disclosure relates to a pneumatic pressure regulator for pressure adjustment of a regulating pressure in a pressure chamber with a regulator membrane which is held in force equilibrium by a regulator spring and the regulating pressure, wherein the regulator membrane is coupled with a control valve in such a way that the control valve opens or closes in dependence upon the actual regulating pressure. For increasing the stability and the constancy of the regulating pressure it is proposed to form the control valve by a dimensionally stable ball which is seated in a loaded manner by means of a spring in a conical bore which tapers in the direction of the regulator membrane and is in a housing wall which lies opposite the regulator membrane with regard to the pressure chamber, the regulator membrane having a reinforcement in the contact region with the ball, and the ball following the movement of the regulator membrane in its normal direction. | 07-30-2009 |
| 20090242037 | FUEL DELIVERY SYSTEM FOR A TORCH - A fuel delivery system for a torch comprising a first container configured to contain a reactant gas under pressure, a second container configured to contain a combustible substance under ambient pressure, and a third container configured to contain a propellant gas under pressure, the third container being in fluid communication with the second container to selectively pressurize the second container. | 10-01-2009 |
| 20090272439 | MAXIMUM OPERATING PRESSURE CONTROL FOR SYSTEMS WITH FLOAT VALVE METERING DEVICES - A chiller system ( | 11-05-2009 |
| 20090283151 | BREATHABLE AIR SAFETY SYSTEM AND METHOD HAVING A FILL STATION - A breathable air safety system and method having a fill station are disclosed. In one aspect, a method of safety of a building structure is described. A prescribed pressure of an emergency support system is ensured to be maintained within a threshold range of the prescribed pressure by including a valve of the emergency support system to prevent leakage of breathable air from the emergency support system. A filling process of a breathable air apparatus is safeguarded by enclosing the breathable air apparatus in a secure chamber of a fill site of the emergency support system of the building structure. The prescribed pressure of the emergency support system is designated based on a municipality code that specifies a pressure rating of the breathable air apparatus. The prescribed pressure of the emergency support system is maintained such that a system pressure is compatible with the breathable air apparatus. | 11-19-2009 |
| 20090288713 | STORAGE TANK SYSTEM AND METHOD OF DECOMPRESSING THE STORAGE TANK SYSTEM - A tank system includes a high-pressure tank, a detection unit for detecting a temperature increase in at least a portion of the high-pressure tank, a decompression unit for decompressing the high-pressure tank, and a control unit for controlling the decompression unit to decompress the high-pressure tank when a temperature increase in at least a part of the high-pressure tank is detected by the detection unit. | 11-26-2009 |
| 20090301567 | METHOD AND APPARATUS FOR DAMPENING PRESSURE FLUCTUATIONS IN A FLUID DELIVERY SYSTEM - A method and apparatus are provided for a cost effective pressure dampening device used in a fluid delivery system for substrate processing. In one embodiment, the pressure dampening device is disposed between a mounting substrate and a control valve within a fluid control assembly in fluid communication with a substrate processing chamber. The pressure dampening device is capable of dampening small pressure perturbations in a process fluid which is used for substrate processing. | 12-10-2009 |
| 20090308461 | PILOT VALVE, METHOD OF USING, AND FLUID SYSTEM EQUIPPED THEREWITH - A pilot valve assembly for regulating the output of a first pressure source relative to a second pressure source, a fluid system equipped with the valve assembly, and a method of operating the valve assembly. The valve assembly includes a valve body with inlet and outlet ports and first and second sensing ports. The first and second sensing ports are adapted to sense, respectively, the fluid pressures of the first and second pressure sources. The inlet port is adapted for fluidically connecting to the first pressure source. The valve assembly defines a flow path between the inlet and outlet ports, and has components for allowing fluid flow from the inlet port, through the flow path, and to the outlet port only if the fluid pressure of the first pressure source exceeds the fluid pressure of the second pressure source by a differential by the flow-allowing components. | 12-17-2009 |
| 20090314353 | APPARATUS AND A METHOD FOR REGULATION OF THE ENERGY POTENTIAL IN A FLUID COLUMN LOCATED WITHIN A PIPELINE - The present invention describes an apparatus ( | 12-24-2009 |
| 20090314354 | METHOD AND APPARATUS FOR MONITORING AND CONTROLLING PRESSURE IN AN INFLATABLE DEVICE - A system includes a fluid controller coupled to an inflatable bladder and configured to add fluid to and remove fluid from the inflatable bladder, a control unit configured to provide information used by the fluid controller to adjust the pressurization of the inflatable bladder, the control unit including a user interface configured to constantly display a plurality of indicia corresponding to a range of pressure levels in which the inflatable bladder is employed by a user, where each of the plurality of indicia is associated with a different level of pressure of the inflatable bladder, respectively. In one embodiment, the fluid controller is configured to adjust the pressurization, in response to a user input at the user interface, to a pressure level selected by the user based on a current pressure level of the inflatable bladder, the pressure level selected by the user and an operating time of the fluid controller. In a further embodiment, a first indicia included in the plurality of indicia is associated with the current pressure level and a second indicia included in the plurality of indicia is associated with the pressure level selected by the user. | 12-24-2009 |
| 20090320930 | SYSTEM AND METHOD FOR MICROFLUIDIC FLOW CONTROL - A system and method for controlling fluid flow within a microchannel includes a fluid circuit comprising a fluid outlet well and one or more fluid inlet wells, all in communication with a microchannel. A negative pressure differential is applied to the outlet well and fluid flow from an inlet well into the microchannel is controlled by opening or closing the inlet well to atmospheric pressure. To stop fluid flow from the inlet well, a negative pressure differential may be applied to the inlet well to equalize pressure between the inlet and outlet wells. By sequentially opening and closing different inlet wells to atmosphere, controlled amounts of different reagents can be serially introduced into the microchannel. | 12-31-2009 |
| 20100024891 | POPPET VALVE WITH DIVERGING-CONVERGING FLOW PASSAGE AND METHOD TO REDUCE TOTAL PRESSURE LOSS - A poppet valve is disclosed that include a valve body, a poppet guide disposed inside the valve body so as to form a a flow passage from a flow inlet to a flow outlet of the valve, a poppet shutter disposed inside the poppet guide, and a converging-diverging flow passage formed by a portion of an outer surface of the poppet shutter and a corresponding portion of an inner surface of valve body. A method for reducing a closing pressure force acting on a poppet shutter of a poppet valve is also disclosed. | 02-04-2010 |
| 20100032022 | GAS REGULATOR FOR THERMAL ENERGY MACHINING - A thermal energy machining (“TEM”) machine gas handling system in which the improvement is a fluid-controlled pressure regulation subsystem for controlling the dispensing of a TEM process gas via the regulation of the pressure of the TEM process gas. Such subsystems include a pressure regulator, a pressure transducer, and a digital controller working in combination to control the process gas outlet pressure of the pressure regulator. The pressure regulator's diaphragm that controls the valve that regulates the process gas outlet pressure is mechanically acted upon by the piston of a pneumatic or hydraulic cylinder. Controlling the pneumatic or hydraulic cylinder regulates the output pressure of the process gas. The pressure transducer and the digital controller work in combination to adjust the feed pressure of the pneumatic or hydraulic cylinder, which in turn regulates the pressure of the process gas at the outlet of the pressure regulator. | 02-11-2010 |
| 20100037959 | METHOD FOR SUPPLYING PROCESS GAS, SYSTEM FOR SUPPLYING PROCESS GAS, AND SYSTEM FOR PROCESSING OBJECT TO BE PROCESSED - A method of supplying a process gas comprises a step in which there is generated a process gas that is polymerizable depending on a temperature, and a step in which the thus generated process gas is supplied to a processing apparatus | 02-18-2010 |
| 20100037960 | Versatile Emergency Shutdown Device Controller Implementing a Pneumatic Test for a System Instrument Device - A multi-functional or versatile emergency shutdown valve controller may be used in various different emergency shutdown configurations to enable the testing of different types and configurations of emergency shutdown devices and the supporting equipment associated therewith. In one example, a digital valve controller for use with an emergency shutdown valve includes two pressure sensors and is adapted to be connected to a pneumatic valve actuator and to a solenoid valve device to assist in the on-line testing of the valve actuator as well as in the on-line testing of the solenoid valve. To perform testing of the solenoid valve, the valve controller may measure the pressure at different ports of the solenoid valve as the solenoid valve is actuated for a very short period of time. The valve controller may determine whether the solenoid device is fully functional or operational based on the derivative of the difference between the measured pressure signals, i.e., based on the rate of change of the difference between the measured pressure signals over time. | 02-18-2010 |
| 20100043888 | ALD APPARATUS AND METHOD - An apparatus and method for atomic layer deposition with improved efficiency of both chemical dose and purge is presented. The apparatus includes an integrated equipment and procedure for chamber maintenance. | 02-25-2010 |
| 20100059123 | Fuel Tank Valve Assembly With Adjustable Bypass Vent Flow - A valve assembly is provided that permits adjustable vent flow from the fuel tank vapor space through a bypass vent opening based on a condition in the vapor space after nozzle shutoff. The valve assembly including a first valve, also referred to as a main float, that provides rollover protection and controls venting of the vapor space prior to nozzle shutoff. A secondary closure device, also referred to as a second valve, moves independently of the first valve to control venting of the vapor space after nozzle shutoff through a bypass vent opening formed in the valve housing in response to at least one operating condition in the fuel tank outside of a chamber defined by the valve housing in which a main float moves. | 03-11-2010 |
| 20100071777 | Methods and Apparatuses for Dispensing Fluids - A fluid dispensing system can be used with a container comprising at least one camming surface. In various embodiments, the fluid dispensing system can have a housing which can accept at least a portion of the container in a fixed orientation and a track which can be engaged with the housing. In at least one embodiment, the housing can be slidably movable along the track at least between a first position and a second position. In various embodiments, the fluid dispensing system can have a tube which can be engaged with at least a portion of the container to withdraw fluid therefrom when the housing is in the second position and can also have a fluid system in fluid communication with the tube. | 03-25-2010 |
| 20100084023 | FLOW CONTROL MODULE FOR A FLUID DELIVERY SYSTEM - Embodiments described herein provide an application for delivery of fluids within substrate processing systems. More particularly, embodiments described herein provide applications for delivery of processing chemicals within substrate processing systems. In one embodiment, a fluid delivery system is provided. The fluid delivery system comprises a bulk fluid source for supplying fluids, a fluid delivery module for controlling and monitoring a ratio of fluids flowing from the bulk fluid source, a first stream line positioned downstream from the fluid delivery module, a first switch positioned along the first stream line, a second stream line positioned downstream from the fluid delivery module, and a second switch positioned along the second stream line, wherein the fluid delivery module splits the fluids from the bulk fluid source into two streams flowing through the first stream line and the second stream line according to a pre-defined ratio. | 04-08-2010 |
| 20100096020 | Vacuum Valve for an I.S. Machine - A vacuum valve for use with a blow mold in an I.S. machine. When the blow molds close around a parison, vacuum is applied to the wall of the blow mold. At some time following the application of the vacuum, final blow will occur blowing the parison into a bottle. This vacuum will be applied until the parison has been blown into a bottle. During the period during which vacuum is applied but final blow has not started, vacuum is reduced by operating a needle valve in the vacuum line. | 04-22-2010 |
| 20100101656 | Method and device for preventing fast changes of the internal pressure in an enclosed room - The invention relates to a method and a device for preventing fast changes of the atmospheric pressure in an enclosed room ( | 04-29-2010 |
| 20100101657 | METHOD AND SYSTEM FOR PURGING MOISTURE FROM AN OXYGENATOR - A method and system for improving gas exchange properties of oxygenators which utilize hollow fiber membranes for removing carbon dioxide or adding oxygen to a patient's blood via extracorporeal circulation by removing moisture accumulating in the fibers are disclosed. The system utilizes a vacuum source for drawing sweep gas into the oxygenator, a moisture collection unit for storing moisture removed from the oxygenator, the moisture collecting unit being in communication with the oxygenator and the vacuum source and a flow control mechanism having an open position which allows sweep gas exiting the oxygenator to flow to the moisture collecting unit and a closed position which stops the flow of sweep gas from the oxygenator to the moisture collecting unit. The vacuum source draws sweep gas through the oxygenator and moisture collecting unit when the flow control mechanism is in the open position and the vacuum source creates a vacuum buildup in the moisture collecting unit when the flow control mechanism is in the closed position. The vacuum in the moisture collecting unit provides a sudden increase to the flow rate of the sweep gas to draw moisture with the sweep gas exiting the oxygenator when the flow control mechanism is returned to the open position. | 04-29-2010 |
| 20100108149 | TEMPERATURE COMPENSATED I/P CONVERTER - An I/P converter is disclosed. The I/P converter comprises a nozzle ( | 05-06-2010 |
| 20100108150 | VALVE ROD GUIDE - A valve rod guide is adapted to be coupled to the barrel of a subsurface pump or the like. The guide has head, neck, body, and base regions. A plurality of angled flutes are provided on the body, tapering downwardly for preventing solids from reentering the pump barrel after pump operations are ceased and thereby damaging pump components once pump operations are resumed. The interior diameter of the neck includes lower and upper grooves and a plurality of spiral radial grooves extending therebetween. The spiral radial grooves terminate at exit ports. During pump operations, solids are wiped from the valve rod, drawn into the spiral radial grooves, and accumulate in the lower or upper groove during downstroke or upstroke, respectively. During upstroke, the solids are expelled through the exit ports. A hardened insert may be positioned in the head region, providing a durable wear area for the valve rod as well as a tight fit, thereby preventing solids from escaping through a northern end of the guide. | 05-06-2010 |
| 20100108151 | METHOD FOR CONTROLLING OR REGULATING A VACUUM VALVE - A method for controlling or regulating a vacuum valve that includes: a valve body ( | 05-06-2010 |
| 20100116349 | METHOD FOR CONTROLLING OR REGULATING A VACUUM VALVE - A method for controlling or regulating a vacuum valve that includes a valve body ( | 05-13-2010 |
| 20100122733 | PRESSURE BIASED MICRO-FLUIDIC VALVE - Embodiments of a valve are disclosed that allow for the control and adjustment of a fluid flow between a valve inlet port and a valve output port as a function of the pressure at the valve inlet port, a pressure at a first pressure input port, and a reference pressure. | 05-20-2010 |
| 20100132802 | GAS ADAPTOR - A gas adaptor ( | 06-03-2010 |
| 20100139777 | COMPRESSED GAS TRANSFER SYSTEM - A compressed gas transfer system comprising at least one first pressure vessel able to hold a volume of gas; and a first gas line to allow gas to pass out of the at least one first pressure vessel wherein the volume of the first pressure vessel is able to be varied to maintain the gas within the pressure vessel at a constant pressure. | 06-10-2010 |
| 20100139778 | Fuel vapor pressure measuring apparatus - A fuel vapor pressure measuring apparatus includes a fuel vapor generator configured to allow the fuel pressure-fed from the fuel pump to be injected from a nozzle and pass through a venturi, thereby vaporizing the fuel in a vaporizing chamber, a pressure sensor for detecting fuel vapor pressure in the vaporizing chamber, a temperature sensor for detecting fuel vapor temperature in the vaporizing chamber, a temperature regulator for regulating the fuel vapor temperature in the vaporizing chamber, and an electronic control unit (ECU) adapted to operate the fuel pump and the fuel vapor generator and also operate the temperature regulator, to detect temperatures at plural points through the temperature sensor and detect pressures corresponding to the temperatures through the pressure sensor in the process of operation of the temperature regulator, and to calculate fuel vapor pressure characteristics based on the detected temperatures and pressures at the plural points. | 06-10-2010 |
| 20100139779 | VALVE SYSTEM - A valve system enables use of a standard single line faucet with a water treatment system, protects water treatment systems and other fluid flow devices from unnecessary fluid pressure, and regulates or prevents fluid flow to a dispenser or outlet in response to a particular event, such as a leak. The valve system includes a housing having ports for: (1) receiving a supply fluid, (2) supplying the fluid to a device, such as a water treatment system, (3) receiving the fluid from the device and (4) supplying fluid to a dispenser. The valve system also includes an automatic shutoff device within the housing that prevents water from flowing into the housing and the water treatment system when the dispensing outlet is closed and that allows water to flow through the housing and into the water treatment system when the outlet is open. The valve system may also include a second actuator connected to the automatic shutoff that is capable of moving the automatic shutoff to a partially or fully closed position. | 06-10-2010 |
| 20100147395 | METHOD FOR DETERMINING THE PATH AND PRESSURE WEAR CONDITION OF A VALVE MECHANISM AND VALVE ARRANGEMENT USING SUCH A VALVE - A method for sensor operating-state determination of a valve arrangement to control a process medium flow through a pipeline having a valve element, arranged such that it can move axially within a valve housing via a pneumatic actuating drive by application of control pressure, with the control pressure being measured and evaluated in order to determine the sliding friction during the movement. The valve element can be moved at a constant speed over at least a subarea of the travel movement, the value of which speed is measured via a position sensor system for signal processing, with the currently applied control pressure being measured at approximately the same time for signal processing via a pressure sensor system. The current sliding friction of the valve element can be determined as a measure of wear state from both measured values, by an electronic evaluation unit, based on a proportional drive force expressed by the control pressure which occurs when the valve element is traveling at a constant speed. | 06-17-2010 |
| 20100154894 | Hydraulic Unloading Valve - A pressure relief system for a reciprocating pumping system that deintensifies pressure from the pumping system and controls relief operation with the deintensified pressure. The relief system includes a relief valve connected to the pumping system and a control system that selectively opens the relief valve when an overpressure is sensed in the pumping system. To keep the relief valve in a closed position, the control system maintains a backpressure on the relief valve using the deintensified pressure. A dump valve in the control system selectively vents the backpressure so the relief valve can open. A charging system can be used for charging the control system and for reseating the relief valve. | 06-24-2010 |
| 20100170572 | PUMPING AND FLOW CONTROL IN SYSTEMS INCLUDING MICROFLUIDIC SYSTEMS - The present invention generally relates to devices and methods for affecting the flow rate of fluid using pressure. The invention generally provides for controlled application of pressure to flowing fluids to control pressure and flow rates of those fluids, independent of location of the fluids relative to various devices. For example, in a series of devices, each connected to another via a conduit, pressure control units can be provided between devices to raise or lower pressure and/or flow rate of fluid flowing from one device to the next. In this way, a series of interconnected devices can be arranged such that inlet fluid pressure or flow rate of any individual device can be set independently of every other device. | 07-08-2010 |
| 20100180954 | Automated valve with self-contained valve actuator system - A self-contained valve actuator of the present invention can comprise an actuator component. This actuator can be linear or quarter turn depending on the valve. The actuator can be double acting which means the piston will move once to open and once to close. The self-contained valve system uses hydraulic fluid to operate the valve. The valve system is directly powered with electric power from a battery. Solar panels are also incorporated to capture solar energy and convert this energy into electrical energy. This converted electrical energy is stored in the battery which enables the battery to continuously supply energy while substantially reducing the possibility of exhausting battery power. This resupply of electrical energy and the use of the hydraulic fluid creates a self-contained valve actuation system. | 07-22-2010 |
| 20100180955 | GAS DELIVERY SYSTEM WITH INTEGRATED VALVE MANIFOLD FUNCTIONALITY FOR SUB-ATMOSPHERIC AND SUPER-ATMOSPHERIC PRESSURE APPLICATIONS - A gas cabinet including an enclosure containing at least one gas supply vessel and flow circuitry coupled to the gas supply vessel(s). The flow circuitry is constructed and arranged to flow dispensed gas from an on-stream gas supply vessel to multiple sticks of the flow circuitry, with each of the multiple sticks being joined in gas flow communication to a respective gas-utilizing process unit. The flow circuitry is valved to enable sections of the flow circuitry associated with respective ones of the multiple sticks to be isolated from other sections of the flow circuitry, so that process gas can be flowed to one or more of the sticks, while other sticks are being evacuated and purged, or otherwise are closed to dispensed gas flow therethrough. | 07-22-2010 |
| 20100193037 | METHOD AND ARRANGEMENT FOR ELIMINATING THE RISK OF LEAKAGE FROM A FIRST ONE TO A SECOND ONE OF TWO FLUID SYSTEMS - A method is provided for eliminating the risk of leakage from a first one to a second one of two fluid systems ( | 08-05-2010 |
| 20100193038 | PNEUMATIC ACTUATOR WITH A POSITION CONTROL AND POSITION ADJUSTMENT - A proportional actuator valve ( | 08-05-2010 |
| 20100200075 | FOOD CONTAINER APPARATUS AND METHOD OF USING SAME - A food container system and method of using same is provided for heating, storing or cooling food placed within a container. The container system facilitates heating of food without dehydration of the food, and it permits cooling of the food, such as, for example, cooling in a refrigerator or cooling at room temperature after removal from a heating oven or microwave, without vapor lock preventing or making difficult the removal of a lid from a container in which the food is heated or cooled. The system comprises, in one aspect, a ceramic lid and a ceramic container to receive the lid, and a seal having a channel there through and disposed intermediate the ceramic lid and the ceramic container. In one aspect, the seal may comprise a heat-resistant silicon material. In one aspect, the same container system may be used, for example, to heat a food placed in the container, to serve the food at a dining table, and to store the food, or the remaining unconsumed portion of the food, in a refrigerator for later reheating and consumption. | 08-12-2010 |
| 20100206389 | PRESSURE-COMPENSATED ACCUMULATOR BOTTLE - A pressure-compensated accumulator bottle is provided. In one embodiment, the accumulator bottle includes a housing and an interior wall that generally define first, second, and third chambers within the housing. In this embodiment, a spring is disposed in the second chamber and configured to apply a biasing force on a first piston disposed within the first chamber. Further, in this embodiment, an additional piston is disposed within the third chamber and is configured to facilitate balancing of the pressure of a fluid disposed in the second chamber with the pressure of the external environment such that the magnitude of a second biasing force applied on the first piston by the pressure of the fluid depends at least in part on the pressure of the external environment. Hydraulic circuits and systems including a pressure-compensated accumulator bottle are also disclosed. | 08-19-2010 |
| 20100236635 | DEMAND VALVE FOR GAS MIXING - A demand valve for gas mixing comprises two or more flow control valves that are connected to separate gas supplies. The demand valve includes a common actuation mechanism, such as a diaphragm arranged to displace levers, each of which, in turn, opens and closes proportionally in a substantially constant ratio a respective flow control valve. Inhalation flow drawn through an outlet causes displacement of the diaphragm and hence opening of the flow control valves. Gas from the separate supplies is therefore mixed in a main chamber to a substantially constant composition, regardless of the flow rate demanded, before being dispensed via the outlet. | 09-23-2010 |
| 20100236636 | FLUID DISTRIBUTION SYSTEM - A system for distributing a fluid via a packing disposed in a container, the packing configured to have the fluid trickle from a top to a bottom thereof, includes at least one distributor member including a pressure conduit having at least one nozzle configured to discharge the fluid therethrough and a distributor channel adjoining the distributor member. A width of the distributor channel does not substantially exceed a diameter of the distributor member. The distributor channel defines at least one outlet slot disposed at a lower end of the distributor channel. The at least one outlet slot has a specified width and is configured to discharge the fluid from the distributor channel to the packing via a guide member. The distributor channel is configured to receive the fluid discharged from the at least one nozzle so as to provide a specified level of the fluid in the distributor channel. The distributor channel forms a ventable chamber above the specified fluid level. The ventable chamber is configured to maintain a pressure corresponding to a pressure in the container in which the packing is disposed. | 09-23-2010 |
| 20100236637 | Surface Ventilator For A Compliant-Surface Flow-Control Device - A compliant-surface flow-control device for reducing drag on objects moving through fluids is described. The device has a substrate having a plurality of ridges, a porous membrane covering the substrate, and interior spaces between the porous membrane and the substrate ridges. | 09-23-2010 |
| 20100236638 | VALVE CONTROL WHEN REFUELING PRESSURE TANKS - A device for capturing a refueling process is described, in which the device has a pressure signal input that is equipped to receive a pressure signal, which reproduces the pressure in a tank; a comparator that is equipped to compare a capturing signal to at least one minimum value; and includes a status output that is connected to the comparator. The status output is equipped to emit a refueling signal when the received capturing signal is more than the minimum value. The refueling signal indicates that the refueling process is taking place. The capturing signal corresponds to the pressure signal and/or the first time derivative of the pressure signal. Also described is a controller, a corresponding control method and the use of a tank pressure sensor, which include each of the features of the device and the method. | 09-23-2010 |
| 20100243067 | OPERATING METHOD FOR A HYDRAULIC MACHINE - A hydraulic machine has at least one working chamber ( | 09-30-2010 |
| 20100243068 | Servo pressure control valve - A valve for controlling pressure in a system is provided. The valve includes a housing, a servo spool and a piston positioned within the housing with the piston and the servo spool being movable relative to each other. The piston defines a first orifice configured to communicate with a supply of pressurized fluid and a second orifice configured to communicate with a portion of the system exterior to the valve. A first chamber is arranged such that force due to fluid pressure in the first chamber is configured to move the piston in a first direction. The first chamber includes a third orifice configured to communicate with a controlled pressure in the system. A second chamber is at least partially defined by the housing and the piston and includes a fourth orifice configured to communicate with a low pressure fluid source. A biasing element is arranged in the second chamber. First and second fluid passages are provided in the servo spool and are configured such that in at least one relative position of the piston and the servo spool the first passage provides communication between the first orifice and the second orifice and in at least one other relative position the second passage provides communication between the second orifice and the fourth orifice. | 09-30-2010 |
| 20100243069 | SUBSEA VALVE - The present invention regards a subsea valve system comprising a valve, a fluid supply line connectable to a remote fluid supply and in connection with an inlet of the valve, an outlet of the valve connectable to an outlet fluid line and a fluid tight housing at least partly enclosing the valve. According to the invention the fluid supply line comprises an outlet within the housing, establishing a pressure within the housing mainly equal to the pressure of the supply fluid at the inlet of the valve. The invention also regards a method for protecting a subsea valve system. | 09-30-2010 |
| 20100243070 | DEVICE AND METHOD FOR CONTROLLING SUPPLY OF LUBRICANT AT A WORK VEHICLE - The invention relates to a device for lubrication of a work vehicle, which device includes: a tank ( | 09-30-2010 |
| 20100252121 | METHOD AND DEVICE FOR CONTROLLING PRESSURE OF VACUUM CONTAINER - A method in which a pressure in an imaginary vacuum container is determined by calculation based on a gas flow rate difference between an estimated discharge gas amount determined from the actual opening degree of a vacuum valve provided on the discharge conduit of a vacuum container and an estimated inflow gas amount determined in the preceding operation period, an estimated inflow gas amount at the present time is determined based on a difference between the calculated pressure and a pressure measured in an actual vacuum container by a pressure meter, a set discharge gas amount is determined by adding, to the estimated inflow gas amount, a correction gas amount obtained based on a pressure deviation between a set pressure and the measured pressure, and the degree of opening of the vacuum valve is controlled such that a discharge gas amount reaches the set discharge gas amount. | 10-07-2010 |
| 20100258198 | Flow Control Through Plural, Parallel Connection Channels To/From a Manifold - The invention provides apparatuses and techniques for controlling flow between a manifold and two or more connecting microchannels. Flow between plural connecting microchannels, that share a common manifold, can be made more uniform by the use of flow straighteners and distributors that equalize flow in connecting channels. Alternatively, flow can be made more uniform by sections of narrowed diameter within the channels. Methods of making apparatus and methods of conducting unit operations in connecting channels are also described. | 10-14-2010 |
| 20100263735 | METHOD FOR WHEN NECESSARY AUTOMATICALLY LIMITING A PRESSURE IN A HYDRAULIC SYSTEM DURING OPERATION - A method is provided for, when necessary, automatically limiting a pressure in a hydraulic system during operation. A system is arranged to deliver pressurized hydraulic fluid to at least one fluid actuated device arranged to perform a work function, where the procedure includes sensing a pressure in at least one position of the system, comparing the detected pressure value, or an associated value, with a first predefined pressure limit, and opening a communication of fluid between the fluid actuated device and a reservoir through a first conduit if the sensed pressure value, or an associated value, exceeds the predefined limit. | 10-21-2010 |
| 20100269911 | Method and Arrangement for Realizing a Vacuum in a Vacuum Chamber - The invention relates to a method of realizing a vacuum in a vacuum chamber. The vacuum chamber is connected to a pumping system shared by a plurality of vacuum chambers. The method includes separately pumping down each vacuum chamber. The invention further relates to n arrangement of a plurality of vacuum chambers connected to a pumping system. In this arrangement, the pumping system is arranged for pumping down each vacuum chamber separately. | 10-28-2010 |
| 20100288371 | APPARATUS AND METHOD FOR MECHANICALLY REDUCING INTERNAL PRESSURE OF COLUMN IN REFINERY OR PETROCHEMICAL PROCESS - Disclosed is an apparatus and method for mechanically reducing internal pressure of a column in a refinery or petrochemical process, which uses a safety relay valve for operating an emergency shutdown valve able to mechanically block the supply of a heat source in the process, thus reducing the mounting cost, simplifying the process and ensuring high reliability thanks to the use of mechanical signals. | 11-18-2010 |
| 20100294377 | Programmable steam trap apparatus - An apparatus and a method for removing condensate and unwanted gas from vapor/liquid systems while preventing steam loss are provided. The steam trap apparatus replaces the automatic valve type steam trap with an efficient, controllable, and programmable steam trap. In addition, the improved steam trap apparatus allows for real-time data collection during sterilization and other operations. | 11-25-2010 |
| 20100307603 | Gas Pump with Limiting Pressure Feature - A method and apparatus for pressurizing a fillable-structure, wherein a space defined by the pump, an untraversed plunger, and a closure is a volume, V | 12-09-2010 |
| 20100319785 | FLUID PROCESSING APPARATUS AND PROCESSING METHOD - A fluid is processed between processing surfaces capable of approaching to and separating from each other, at least one of which rotates relative to the other. A first fluid containing a material to be processed is introduced between processing surfaces | 12-23-2010 |
| 20100326535 | Butterfly valves - A butterfly valve for forming an enhanced seal between the disk and the annular seal through use of unmated surfaces on the sealing face of the disk and the sealing face of the annular seal. | 12-30-2010 |
| 20100326536 | DIRECTION CONTROL VALVE FOR SHOWER IRRIGATING APPLICATIONS - Embodiments of the presently described technology provide a direction control valve including first and second orifices and a pressure release mechanism. The first and second orifices provide a path of fluid flow through the valve from an inlet port to a first outlet port. The pressure release mechanism is configured to reduce pressure in the valve through a second outlet port. Embodiments of the presently described technology also provide a direction control valve including first and second fluid communication paths. The first fluid communication path is defined by an inlet port, first and second orifices, and a first outlet port. The second fluid communication path is defined by the inlet port, the first orifice, a pressure release mechanism, and a second outlet port. The second fluid communication path of the valve does not exist until an internal pressure of the valve exceeds a predetermined threshold. | 12-30-2010 |
| 20100326537 | LOW VAPOR PRESSURE HIGH PURITY GAS DELIVERY SYSTEM - Systems, apparatuses and methods for vapor phase fluid delivery to a desired end use are provided, wherein the conditions of the system are monitored to determine when the water concentration or supply vessel surface temperature exceeds a specified value or when the low vapor pressure fluid pressure falls below a specified value for the purpose of removing a first supply vessel from service by discontinuing vapor flow from the first supply vessel and initiating vapor flow from a second supply vessel. | 12-30-2010 |
| 20110005606 | METHOD FOR SUPPLYING A FLUID AND MICROPUMP FOR SAID PURPOSE - A device includes a number of N≧2 pump chambers having N separate chamber volumes, each of which may be altered independently of the other(s). The volume changes of the pump chambers occur periodically with substantially the same frequency (f). The device further includes N actuators for changing the respective chamber volumes and valves for establishing the pumping direction, and finally a common inlet and outlet. The pump chambers of the device are disposed in series one behind the other, and the forms of the periods of volume changes of all pump chambers are substantially identical. Moreover, an ideal phase offset PHI of approximately 180° exists between the volume change of the chamber volumes of two sequential pump chambers. | 01-13-2011 |
| 20110005607 | Controlling gas partial pressures for process optimization - Apparatus for establishing and controlling a low pressure gas mixture in a vacuum enclosure ( | 01-13-2011 |
| 20110017310 | FLUID VALVE ARRANGEMENT - The invention relates to a method for controlling a fluid valve arrangement that includes a fluid conduit arrangement having a first conduit and a second conduit, the first and the second conduits being connectable with a fluid consumer; a supply connection arrangement having a pressure connection and a tank connection, and a number of valve arrangement for connecting the consumer to the pressure connection or the tank and a control device, which controls the valve arrangements. The method involves detecting output signals from opening degree sensors connected across at least the first and second valve arrangements to determine the magnitude and direction of a pressure drop across at least the first and second valve arrangements, and using the output signals to determine an operating mode for each valve arrangement. | 01-27-2011 |
| 20110017311 | ALTERNATIVE DESIGN OF SELF-ADJUSTING VALVE - A method for flow control and a self-adjusting valve or flow control device, in particular useful in a production pipe for producing oil and/or gas from a well in an oil and/or gas reservoir, which production pipe includes a lower drainage pipe preferably being divided into at least two sections each including one or more inflow control devices which communicates the geological production formation with the flow space of the drainage pipe. The fluid flows through an inlet ( | 01-27-2011 |
| 20110017312 | Fluid-Pressure Regulator and Related Methods and Systems - A fluid-pressure regulator for regulating the pressure of a fluid. The regulator includes a variable-resistance fluid element and a variable-volume fluid element located downstream of the variable-resistance element. Pressure in the fluid at the outlet of the regulator is controlled by substantially simultaneously changing the resistance of the variable-resistance element and the volume of the variable-volume element. In one example, a decrease in pressure is effected at the outlet by simultaneously increasing the resistance of the variable-resistance element and increasing the volume of the variable-volume element. Some embodiments of the regulator are particularly useful to effect long-term and high-speed pressure changes in high-resistance fluidic channel networks. | 01-27-2011 |
| 20110017313 | DEVICE AND METHOD FOR ASEPTIC PRESSURE RELIEF - The invention relates to an overpressure safety device ( | 01-27-2011 |
| 20110023974 | Water Injection Manifold Pressure Relief Vent - A water injection system positioned about a combustor of a gas turbine engine. The water injection system may include a water manifold and a pressure relief system in communication with the water manifold. The pressure relief system may include a relief vent positioned on a pressure relief line. | 02-03-2011 |
| 20110056569 | Pressure Relief Valve for a Vehicle Body - A pressure relief valve for relieving air pressure from an automotive vehicle interior. The pressure relief valve mounts on a valve mounting location that surrounds a body opening and includes flexible interleaved flaps and a securing mechanism. The flaps cover the body opening, with each of the flaps being generally triangular in shape and having an outer end adjacent to the valve mounting location and a pair of sides extending from the outer end inward to an inner corner, with the inner corners meeting to form a peak. The interleaved flaps form a generally pyramidal-shape that angles away from the automotive vehicle interior as the interleaved flaps extend inward from the outer ends toward the peak. The securing mechanism is secured to the radially outer ends of the flaps and to the valve mounting location. | 03-10-2011 |
| 20110056570 | METHODS AND SYSTEMS FOR REDUCING PRESSURE OF NATURAL GAS AND METHODS AND SYSTEMS OF DELIVERING NATURAL GAS - Methods and systems for reducing a pressure of compressed natural gas and for delivering natural gas are disclosed. A regulator comprising a vortex tube may be used to reduce the pressure of compressed natural gas while a temperature thereof is also reduced. The temperature reduction associated with a pressure drop in the compressed natural gas is achieved by throttling the gas at constant enthalpy from 3,000 PSIG to 150 PSIG through the regulator. At least one heat exchanger may be utilized to increase the temperature of the compressed natural gas to a temperature suitable for injection delivery. A pressure-reducing regulator may be used to further reduce a pressure of the gas to about 45 PSIG for delivery to an end-user. | 03-10-2011 |
| 20110056571 | METHODS AND SYSTEMS FOR REDUCING PRESSURE OF NATURAL GAS AND METHODS AND SYSTEMS OF DELIVERING NATURAL GAS - Methods and systems for reducing a pressure of compressed natural gas and for delivering natural gas are disclosed. A regulator comprising a vortex tube may be used to reduce the pressure of compressed natural gas while a temperature thereof is also reduced. The temperature reduction associated with a pressure drop in the compressed natural gas is achieved by throttling the gas at constant enthalpy from 3,000 psig to 150 psig through the regulator. At least one heat exchanger may be utilized to increase the temperature of the compressed natural gas to a temperature suitable for injection delivery. A pressure-reducing regulator may be used to further reduce a pressure of the gas to about 45 psig for delivery to an end-user. | 03-10-2011 |
| 20110061741 | Compressor and/or Expander Device - Systems and methods for operating a hydraulically actuated device/system are described herein. For example, systems and methods for the compression and/or expansion of gas can include at least one pressure vessel defining an interior region for retaining at least one of a volume of liquid or a volume of gas and an actuator coupled to and in fluid communication with the pressure vessel. The actuator can have a first mode of operation in which a volume of liquid disposed within the pressure vessel is moved to compress and move gas out of the pressure vessel. The actuator can have a second mode of operation in which a volume of liquid disposed within the pressure vessel is moved by an expanding gas entering the pressure vessel. The system can further include a heat transfer device configured to transfer heat to or from the at least one of a volume of liquid or a volume of gas retained by the pressure vessel. | 03-17-2011 |
| 20110061742 | CRYOGENIC LIQUID CYLINDER MANIFOLD - A cryogenic liquid cylinder pressure control manifold is disclosed. The manifold includes, in a unitary arrangement, a pressure build regulator, a pressure build inlet fitting, a pressure build regulator, NPT adapter fitting, a check valve, and a cylinder pressure gauge. The disclosed manifold eliminates various threaded connections associated with prior devices, thus providing a more reliable device having less likelihood to leak in service. The disclosed manifold also reduces labor costs associated with assembling prior systems which are composed of a plurality of different individual components. In one embodiment, the disclosed manifold is employed as a cryogenic CO | 03-17-2011 |
| 20110061743 | BEVERAGE TAPPING APPARATUS, PROVIDED WITH A CHEMICAL PRESSURE GENERATOR - A tapping apparatus | 03-17-2011 |
| 20110067763 | CONFIGURABLE ACTIVE JERK CONTROL - A method of limiting jerk in a hydraulic system of a machine includes defining a maximum pressure rate. An output pressure of a hydraulic fluid is continuously measured over time from a work port of a hydraulic valve to determine an output pressure rate. The measured output pressure rate is compared to the maximum pressure rate. A requested flow rate is adjusted when the measured output pressure rate is greater than the maximum pressure rate to decrease the pressure differential generated in response to changing the flow rate of the hydraulic fluid through the valve, which thereby limits a change in acceleration or deceleration of the hydraulic system to limit felt jerk in the machine. | 03-24-2011 |
| 20110073191 | Hydraulic Circuit and Manifold with Multifunction Valve - A hydraulic manifold has features adapted to the needs of hybrid vehicle applications. In one embodiment, multifunction valves selectively regulate fluid flow among primary and auxiliary flow paths. A normally closed butterfly valve is biased by a relatively small secondary biasing force against rotation in first and second (opposite) directions, and by a relatively large principal biasing force against rotation in the first direction past a transitional angular position at which the principal biasing force takes effect. An actuator selectively controls the transitional angular position and the magnitude of the principal biasing force. In the first direction, flow must overcome only the secondary biasing force to pass the valve. In the second direction, any flow sufficient to overcome the secondary biasing force but not the principal biasing force will divide into a first flow passing the valve and a second flow induced to enter an auxiliary path upstream. Additional flow causing the principal biasing force to additionally be overcome will substantially pass the valve as part of the first flow. This and other embodiments provide a manifold that is controllable to allocate flow among primary and auxiliary paths while remaining responsive to sudden large changes in flow independently of immediate control response. | 03-31-2011 |
| 20110073192 | SYSTEM AND METHOD FOR MANAGING LOAD FLOW REQUIREMENTS FOR A TRACTOR SINGLE PUMP HYDRAULIC SYSTEM - A system and method for managing hydraulic fluid load flow requirements for a tractor having a single pump hydraulic system. The system connects a hydraulic implement in parallel and gives precedence to the tractor's essential operations, such as a hydraulic steering system, to be controlled independently of the hydraulic pressure requirements of the implement system. The method includes determining the essential operation fluid pressure requirement; determining the implement fluid pressure requirement; and maintaining the essential operation fluid pressure requirement by providing hydraulic fluid flow to the essential operation regardless of the implement fluid pressure requirement. | 03-31-2011 |
| 20110079290 | SINGLE COMPONENT TWO-STAGE REGULATOR - Disclosed is a cylindrical, single-component two-stage regulator for controlling a pressure and a flow rate of a gas. The regulator includes a housing for holding the two stages having an ingress adapted for connection to a source of gas at a high input pressure and an egress adapted for supplying gas at a lower output pressure than the high input pressure; a first stage for reducing the pressure of the gas from the high input pressure to a fixed intermediate pressure; and a second stage for reducing the pressure of the gas from the fixed intermediate pressure to the lower output pressure and regulating the flow rate of the gas out of the egress. One application of the present invention is for use in scuba (Self-Contained Under-water Breathing Apparatus) applications, where it replaces the traditional two-component user-adjustable regulator. The regulator may be made out of stainless steel, and is small enough to fit into a user's mouthpiece. | 04-07-2011 |
| 20110079291 | VALVE - A valve has a movable valve element extending across a passageway within a housing and a central aperture, either through the valve element itself or in an adjacent part of the housing, which is opened by movement of the valve element to allow fluid flow between an inlet and an outlet. | 04-07-2011 |
| 20110094596 | Apparatus and method of dividing and supplying gas to a chamber from a gas supply apparatus equipped with flow-rate control system - The present-invention supplies a quantity Q of gas while dividing at flow rate ratio Q1/Q2 from a gas supply facility equipped with a flow controller. A a total quantity Q=Q1+Q2 of gas is supplied into a chamber at flow rate Q1 and Q2 through shower plates fixed to ends of branch supply lines by providing open/close valves with a plurality of branch supply lines GL | 04-28-2011 |
| 20110094597 | HYDRAULIC CIRCUIT FOR A MACHINE FOR PRODUCING BEVERAGES BY INFUSION - A hydraulic circuit ( | 04-28-2011 |
| 20110100477 | STEAM OVEN WATER DELIVERY AND DRAIN VALVE SYSTEMS AND METHODS - Embodiments of the present invention provide steam oven drain valve systems and methods for draining steam ovens and associated water lines on aircraft and other passenger transport vehicles. | 05-05-2011 |
| 20110108130 | Pressure regulator valve seals, systems and methods - A pressure regulator valve has a housing that defines a fluid passage and a flat seat disposed around an opening of the fluid passage and exit ports. A pin with a raised conforming elastomeric embossment that contacts the seat when the valve is closed is axially disposed in the housing. The pin is biased to maintain the elastomeric embossment in contact with the seat to maintain the valve closed and control an opening pressure of the valve. Flow of fluid through and out of the pressure regulator valve housing is controlled through adjustment of a level of this biasing. The fluid flows across the flat seat and between the flat seat and the embossment when the valve is open in such a manner that the flow is generally laminar and such that the valve minimizes pressure gain at the onset of flow. | 05-12-2011 |
| 20110114193 | LEAK MITIGATION FOR PRESSURIZED BI-DIRECTIONAL SYSTEMS - A bi-directional pressurized system with devices for and configured to mitigate issues associated with leak and creep phenomena at various stages throughout the system, including valves and controls to distribute a leaked amount of fluid prior to delivery to a pressure-sensitive destination and a pressure relief valve to bring an initial pressure within an acceptable range for distribution to reach a target pressure. A startup method for mitigating leakage of the system during a rest phase, including selectively reducing the initial pressure upstream of a pressure-sensitive destination. | 05-19-2011 |
| 20110114194 | INTEGRITY PROTECTION FOR PRESSURIZED BI-DIRECTIONAL SYSTEMS - Excess flow valve devices, which are responsive to pressure and flow conditions in a bi-directional system, including structures to restrict flow in one direction through openings of a stopper of an excess flow valve based on balancing forces from at least a spring and a frictional force caused by the flow. Bi-directional system employing at least one pressure delayer responsive to pressure and flow impulses to protect a tank valve of a storage tank or a regulator during a refill phase or a discharge phase. | 05-19-2011 |
| 20110120567 | DIFFERENTIAL AIR PRESSURE SYSTEMS - Described herein are various embodiments of differential air pressure systems and methods of using such systems. The differential air pressure system may comprise a chamber configured to receive a portion of a user's lower body and to create an air pressure differential upon the user's body. The differential air pressure system may further comprise a user seal that seal the pressure chamber to the user's body. The height of the user seal may be adjusted to accommodate users with various body heights. | 05-26-2011 |
| 20110120568 | HYDRAULIC SYSTEM OF A TRANSMISSION UNIT, COMPRISING A MAIN TRANSMISSION PUMP AND AN AUXILIARY PUMP - A hydraulic system of a transmission comprises a main transmission pump that can be driven by torque transmitted via the transmission unit and with an auxiliary pump that can be driven by an electric machine, by which primary and secondary pressure circuits can be supplied with hydraulic fluid. Pressure sides of the main transmission pump and the auxiliary pump are connected to the primary pressure circuit upstream of a pressure relief valve provided for adjusting a main pressure in the primary pressure circuit. The pressure relief valve is arranged between the pressure sides of the main transmission pump and the auxiliary pump and the secondary pressure circuit. The pressure side of the auxiliary pump can be actively connected with the secondary pressure circuit, via a hydraulic line which can be blocked in the direction toward the primary and secondary pressure circuits, and which bypasses the pressure-relief valve. | 05-26-2011 |
| 20110126915 | FLUID RECOVERY DEVICE AND RECOVERY METHOD USING THE SAME - A fluid recovery device includes a receiving vessel for receiving a recovered fluid, a pump, a fluid container, and a conduit communicating the receiving vessel, the pump, and the fluid container successively, and the pump is turned on or off at a predetermined time interval. A method for recovering fluid uses the fluid recovery device. | 06-02-2011 |
| 20110126916 | ON-BOARD REFUELING VAPOR RECOVERY SYSTEM WITH VENT LINE CHECK VALVE - An on-board refueling vapor recovery system includes a shutoff mechanism that closes a first vapor path between the fuel tank and the filler cup when liquid fuel in the tank reaches a predetermined level and a vent line closure that closes a second vapor path between the canister and the filler cup, wherein closure of the first vapor path and the second vapor path reduces pressure in the filler cup to induce shutoff of a fuel nozzle. | 06-02-2011 |
| 20110132467 | METHOD AND DEVICE FOR CONTROLLING THE PRESSURE AND/OR FLOW RATE OF FLUID - A method for controlling the pressure and/or the flow rate of a fluid includes withdrawing flow energy from a fluid flowing through a pipeline ( | 06-09-2011 |
| 20110139263 | Compressed Air Suppy System and Method for Operating a Compressed Air Supply System - A compressed air supply system for a utility vehicle includes an air dryer unit provided with a filter unit, an electrically controllable valve unit and a pneumatically controllable discharge valve unit, a compressor with a coupling, which supplies compressed air to the air dryer unit via a delivery pipe, a multi-circuit safety valve unit which removes the compressed air from the air dryer unit, and an electrically controllable compressor coupling switch valve unit. An electronic control unit controls or regulates the functions of the air dryer unit and the compressor coupling switch valve unit. | 06-16-2011 |
| 20110139264 | Fluid Handling System - A fluid handling system is operative to deliver water based fluid through a plurality of plastic pipes and fittings to a plurality of fire suppression sprinkler heads ( | 06-16-2011 |
| 20110139265 | Method and Device for Controlling Process Gases for Heat Treatments of Metallic Materials/Workpieces in Industrial Furnaces - For regulating process gases for heat treatments of metal materials/workpieces in industrial furnaces ( | 06-16-2011 |
| 20110155256 | Air Removal Chamber for a Cell Expansion System and Method of Use Associated Therewith - A cell expansion system includes an air removal chamber to provide a bubble trap so that air and/or gas bubbles do not enter the bioreactor of the cell expansion system. The air removal chamber includes a pair of ports situated at the bottom of the air removal chamber. An entrance port allows fluid to enter the air removal chamber, and an exit port allows fluid to exit the air removal chamber. In one embodiment the air removal chamber forms an element of a premounted fluid conveyance assembly for use with a cell expansion machine. | 06-30-2011 |
| 20110174386 | FLUID TRANSFER SYSTEM AND METHOD - The present invention relates to a fluid transfer system and method for transferring fluid from a reservoir to a delivery device typically being a nozzle. The present invention relates in particular to transferring urea in highly accurate metered amounts from a reservoir to a nozzle arranged within an exhaust system of a combustion engine or combustion engines. | 07-21-2011 |
| 20110180150 | FLUID DELIVERY SYSTEM - A fluid delivery system is described which provides stable flow rates over a range of different flow rates and while multiple fluids are being concurrently delivered. The delivery system includes one or more reservoirs each containing a respective fluid to be transferred. The reservoir(s) are positioned within a secondary fluid selected such that the reservoir(s) and their contents, i.e. the fluids to be transferred, float within the secondary fluid. One end of a flow conduit is submerged in each fluid to be transferred. A pressure differential is then induced in the flow conduit whereby fluid flow therein occurs. | 07-28-2011 |
| 20110180151 | METHOD FOR SAFELY PREVENTING BACKFLOWING IN THE CONVEYING OF A FLUID - A method for reliably avoiding backflow in the transport of a liquid under pressure via a transport pipe ( | 07-28-2011 |
| 20110186140 | Gas Pressure Regulator - A gas pressure regulator comprises a central body having a first, gas inlet pipe and a second, gas outlet pipe; a shutter housed at least partially in the central body and mobile to adjust the opening of a section for the passage of the gas between a position (B) in which the section is fully open and a position (A) in which the section is closed; a silencing device located in the central body at the passage section, for reducing the noise created by the passage of the gas; and means for fastening the silencing device to the central body. The silencing device comprises a cylindrical perforated plate to allow the passage of the gas. | 08-04-2011 |
| 20110192466 | INJECTION OR OTHER SYSTEM WITH ANTI-THERMAL LOCKDOWN MECHANISM AND RELATED METHOD - An apparatus includes a first valve configured to selectively direct material to first and second outlets and a second valve configured to block the second outlet. The first and second valves define a dead space that has a volume between the first and second valves. The apparatus also includes a pressure compensation unit configured to dynamically provide an additional volume for material trapped in the dead space when the trapped material expands. The pressure compensation unit could include a piston configured to move within a space of the pressure compensation unit, where increased pressure in the dead space causes the trapped material to push against the piston in order to provide the additional volume for the trapped material. The pressure compensation unit could further include a spring configured to bias the piston and a seal configured to substantially prevent the trapped material from passing the piston and contacting the spring. | 08-11-2011 |
| 20110203674 | PRESSURE RELIEF SYSTEM FOR PRESSURE VESSELS - A pressure relief system for depressurizing a bottled pressure vessel. In one embodiment, the system includes a pressure relief device having a hollow outer member coupled to a fluid port in the vessel and an inner member at least partially disposed in and movably supported by the outer member. The system may further include a rupture disk disposed in the port between the vessel interior and exterior. In operation, the outer member remains stationary while the inner member is advanceable therein towards the pressure vessel. In one embodiment, the inner member includes a piercing element which is projectable to penetrate the rupture disk and into the vessel interior through material deposits that may obstruct the fluid port thereby releasing captive pressure in the vessel. | 08-25-2011 |
| 20110209770 | CONTROL SYSTEM AND METHOD FOR WATER SUPPLY - Known water supply systems are fed from a source of water such as a tank ( | 09-01-2011 |
| 20110209771 | Liquid Impact Pressure Control Methods and Systems - The present invention discloses apparatuses, systems, and methods for controlling liquid impact pressure in liquid impact systems. The liquid impact systems include at least one gas and a liquid, the gas having a density (PG) and a polytropic index (κ) and the liquid having a density (PL). The methods include the step of calculating a liquid impact load of the liquid on the object by determining a parameter Ψ for the system, wherein Ψ is defined as (PG/PL) (κ−1)/κ. The systems are also configured to utilize the parameter Ψ. The parameter Ψ may be adjusted to increase or reduce the liquid impact load on the system. Automatic, computer-implemented systems and methods may be used or implemented. These methods and systems may be useful in applications such as LNG shipping and loading/off-loading, fuel tank operation, manufacturing processes, vehicles dynamics, and combustion processes, among others. | 09-01-2011 |
| 20110214746 | VALVE WITH VENTING PORT - A valve includes a valve housing. A bore is in the valve housing. An inlet supply port fluidly communicates a pressurized supply fluid to the bore. A piston is movably positioned in the bore based on the pressure of the supply fluid. A portion of the piston extends into a frusto-conically shaped portion of the bore. A sealing member is associated with the portion of the piston sealingly engaging a surface of the frusto-conically shaped portion of the bore based on the pressure of the supply fluid. An inlet valve, movably positioned in the bore, is biased to sealingly engage a wall of the bore based on the pressure of the supply fluid. A control pressure supply port fluidly communicates a pressurized control fluid to the bore through the valve housing. A control pressure delivery port fluidly communicates with the control pressure supply port, via the bore, based on the pressure of the supply fluid. A venting port fluidly communicates with the control pressure delivery port, via the bore, based on the pressure of the supply fluid. | 09-08-2011 |
| 20110232771 | AIRFLOW MANAGEMENT FOR LOW PARTICULATE COUNT IN A PROCESS TOOL - In various exemplary embodiments described herein, a system and related method to provide airflow management system in a substrate production tool includes a housing to couple the substrate production tool to a fan filter unit to provide filtered air to the housing, a facility connection to couple the substrate production tool to a reduced pressure exhaust mechanism, a substrate transfer section coupled below the housing and in airflow communication with the facility connection, and a substrate process area coupled to the substrate transfer section by one or more substrate transfer slots. A chamber substantially containing the substrate transfer section and the substrate process area is coupled to the housing to receive the filtered air and to the facility connection to provide an exhaust for excess gas flow. The chamber maintains a low pressure in the substrate process area relative to the substrate transfer section. | 09-29-2011 |
| 20110232772 | Method for supplying gas - [Problem] The present invention provides a gas supply method by which a gas in a gas container can be effectively utilized. | 09-29-2011 |
| 20110232773 | DEVICE AND METHOD FOR COMBINING WATER RESERVES - A device for combining water from a first source with a stream of water from a second source which is at a higher pressure than said one source is disclosed. The device includes a hollow body having a primary inlet for operative coupling to said second source of water and an outlet towards an opposed end thereof. The body also has an intermediate inlet positioned intermediate said primary inlet and outlet for coupling to said first source of water. The device further includes a venturi positioned intermediate said intermediate inlet and said outlet, and a flow restriction means that is a jet positioned upstream of said venturi for restricting the flow of water issuing therefrom. The jet is substantially longitudinally aligned with said intermediate inlet. In use water from said second source enters said body through said primary inlet and passes through said jet. This draws water from said first source of water through said intermediate inlet and into the body. The combined stream of water passes through said venturi and through the outlet. | 09-29-2011 |
| 20110232774 | MIXING EDUCTOR - An eductor for mixing two liquids wherein the eductor includes a closed or non-air gap back flow prevention member. The vacuum profile of the eductor is altered by changing an opening in a passage portion to controllably divert water flow around the venturi tube or diverting the water without the opening. This affords the changing of the vacuum profile without redesigning the entire eductor. | 09-29-2011 |
| 20110240132 | TESTING SYSTEM AND METHOD FOR AC SYSTEM IN A VEHICLE - A pressure and prevacuum testing system for an AC system in a vehicle includes an air pressure source for pressurizing a cooling circuit of the AC system to a predetermined high pressure threshold and a vacuum source for prevacuuming the cooling circuit either to a predetermined prevacuum low pressure level or for a predetermined time period. The system also includes a pressure gauge for operatively measuring a pressure level in the cooling circuit. A controller is operatively connected to the air pressure source, the vacuum source and the pressure gauge. The controller compares the pressure level as measured by the pressure gauge to the predetermined high pressure threshold during a pressurized test of the cooling circuit and to the predetermined prevacuum low pressure level during a prevacuum test of the cooling circuit to determine if leaks are present in the cooling circuit. | 10-06-2011 |
| 20110240133 | Ejector Valve With Glands - A fast opening pressure relief valve ( | 10-06-2011 |
| 20110259433 | Electric Motor Actuated Stop and Self-Closing Check Valve - An electric motor actuated stop/check valve for industrial use such as liquid pumping systems which has a controlled opening and closing rate when liquid flow is in a forward direction but closes quickly upon reverse flow of liquid with no action from the electric motor actuator. A valve disc having an elongated disc stem contacts a valve seat when in a closed position to stop liquid flow. Actuation of the valve is by an electric motor which provides movement to an actuator rod which contacts the disc stem. The disc stem and the actuator rod are not connected which allows the valve disc and disc stem free movement, by action of the momentarily back-flowing liquid, to a back-flow preventing closed position when liquid forward flow is reversed. No action by the electric motor is required. A spring biasing the valve disc toward the closed position and a hydraulically operated valve closing-speed regulator reduces or eliminates slamming of the valve disc against the valve seat. In a preferred method of operation liquid surge pressure transients are reduced or eliminated and slamming of valve components is prevented. | 10-27-2011 |
| 20110259434 | Pneumatic Controlled Slam Shut Valve - Systems and methods provide pneumatic control of a slam shut valve system. | 10-27-2011 |
| 20110265884 | TWIN CHAMBER PROCESSING SYSTEM WITH SHARED VACUUM PUMP - Methods and apparatus for twin chamber processing systems are disclosed, and, in some embodiments, may include a first process chamber having a first vacuum pump to maintain a first operating pressure in a first processing volume selectively isolatable by a first gate valve disposed between the first processing volume and the first vacuum pump; a second process chamber having a second vacuum pump for maintaining a second operating pressure in a second processing volume selectively isolatable by a second gate valve disposed between the second processing volume and the second vacuum pump; and a shared vacuum pump coupled to the first and second processing volumes to reduce a pressure in each processing volume below a critical pressure level, wherein the shared vacuum pump can be selectively isolated from any of the first or second process chambers or the first or second vacuum pumps. | 11-03-2011 |
| 20110277849 | Environmental NuChain enterprise resource planning method and apparatus - NuChain supply chain and disposal chain apparatus are created by NuPurposing containers and conditioning and transforming such containers from fluent material delivery containers into waste collection containers realizes operational efficiency. Novel structural features of waste collection systems allows bottle docking for the ingress of collection material into fluent material distribution containers as well as operation as a non-bottle docking waste collection system. The application moving canister and lid pillars closer together respectively operates to contain a force being drawn away from the collection system by sealing the system. The application moving other canister and lid pillars closer together operates to unseal the system. | 11-17-2011 |
| 20110277850 | FULL FLOW PRESSURE RELIEF VALVE - A full flow pressure relief valve includes a housing having an inlet opening on its bottom and an outlet opening on one of its side. A piston is positioned inside the housing adapted to move from a set position where the piston seals the inlet opening to a sprung position where the piston is removed from the inlet opening. A lock is biased by a spring in a perpendicular direction toward the side of the piston. The lock is adapted to hold the piston in the set position until a relief pressure is supplied in the inlet opening, where the lock is adapted to release the piston to the sprung position. | 11-17-2011 |
| 20110284092 | Pressure Relief Valve - A pressure relief valve includes a base including a fluid inlet and outlet, a nozzle, and a disc. The nozzle includes a substantially annular seat, a substantially cylindrical seat inlet, and a substantially cylindrical bore in fluid communication with the seat inlet. A ratio between a bore diameter and a seat diameter is a constraint ratio. The disc contacts the seat to seal the fluid inlet to substantially prevent fluid communication between the fluid inlet and outlet when the valve is closed. The disc and the disc holder are adapted to be urged by fluidic pressure such that contact between the disc and the seat is removed at the fluidic pressure to allow fluid communication between the fluid inlet and the cavity. Dimensions of the disc, the disc holder, and the nozzle may be functions of the seat diameter and limited by the constraint ratio. | 11-24-2011 |
| 20110284093 | Method for controlling a jigging machine - A method for controlling the liquid stroke of a pneumatically driven jigging machine for the separation of mineral mixtures uses a jigging machine that consists of an air chamber and a jigging chamber with a jigging bed located above it. The stroke of the liquid in the jigging machine depends on the period of time the air is allowed into the chamber. The differential pressure between the air chamber and the jigging chamber as parameter for controlling the jigging machine is measured, and as a result, a much better opportunity for controlling will be achieved, and disruptions in the jigging bed are detected and can be counteracted. | 11-24-2011 |
| 20110290330 | FLUID FLOW CONTROL IN A MICROFLUIDIC DEVICE - A method for removing fluid in a microfluidic device, the microfluidic device having a fluid channel, a first well, and a second well, the first well and the second well being coupled to a first end of the fluid channel, the method including applying a pressure difference between the second well and the first well, and applying a pressure difference between the first end and a second end of the fluid channel being below a certain threshold, for at least partly removing a first fluid from a first supply line coupled between the first well and the first end of the fluid channel. | 12-01-2011 |
| 20110290331 | Mains Water Supply Processing - Water is supplied from a mains water supply station to a main supply conduit which feeds a plurality of regional supply networks, via respective pressure reducing valves, at respective regional pressures. Each regional supply network has a boundary value for a parameter related to a property of the water, which may be water pressure or concentration of a water treatment agent. Each network has a critical point at which the value of the parameter is deemed least acceptable. Water supply characteristics in respect of each regional supply network are monitored and the water supplied into the main supply conduit is processed to ensure acceptable values of the parameter are maintained at each critical point. | 12-01-2011 |
| 20110297240 | Device for facilitating controlled transfer of flowable material to a site within an interior cavity or vessel, kits containing the same and methods of employing the same - A device for facilitating controlled transfer of a flowable material to a site within an interior cavity such as a vessel which employs a housing having at least one opening dimensioned and positioned to direct the flowable material rearwardly of the device. Through appropriate application of positive pressure, the device can be used to deliver the flowable material to the cavity or vessel. Apparatus employing the device and methods of using the same are also disclosed. | 12-08-2011 |
| 20110297241 | DEVICE AND METHOD TO PRODUCE A MODIFIED ATMOSPHERE FOR FOOD PRESERVATION - An appliance system including a module removably mounted to an appliance, one or more removable gas canisters operably connected to the module, and a food retaining enclosed space operably connected to the module. The one or more gas canisters supply a modified atmosphere in the food retaining enclosed space to produce a modified atmosphere that enhances preservation of the food contained in the food retaining enclosed space. A method of modifying the atmosphere in a food storage space for food includes the steps of: providing a module capable of being removably engaged to an appliance and typically receiving power from the appliance and at least one removable gas canister; operatively connecting or otherwise engaging the module with the appliance; operatively connecting or otherwise engaging the module to a food storage area having an existing atmosphere; and removing at least a portion of the existing atmosphere from the food storage space and replacing it with a modified food storage atmosphere using at least one of the at least one removable gas canisters to supply the modified atmosphere to the food storage area. | 12-08-2011 |
| 20110303300 | METHOD OF OPERATING A MOTOR VEHICLE AND MOTOR VEHICLE - A method is provided for operating a motor vehicle with a fuel tank and a filler opening that can be closed by a cap. The filer opening and the cap can be covered by a tank flap that can be moved between a covering position and an exposure position. To simplify refueling of the motor vehicle, a pressure equalization between the fuel tank and the environment is carried out if opening or imminent opening of the tank flap is detected. | 12-15-2011 |
| 20110303301 | PRESSURE MANAGEMENT HYDRAULIC CONTROL VALVE - Disclosed are a method and device for modulating the downstream pressure output of a pressure reducing hydraulic control valve in response to the flow demand fluctuation the method comprising. Included is an adjustable pressure pilot valve mechanism having a drive element extending from the control valve. The drive element is displaceable in response to a flow capacity through the hydraulic control valve. Also included is an adjustable pressure pilot valve deployed along a control tube connecting an upstream pressure port to a downstream pressure port, the adjustable pressure pilot valve associated with the drive element such that adjustable settings of the adjustable pressure pilot valve are responsive to displacement of the drive element. | 12-15-2011 |
| 20110308629 | Vacuum Valve Apparatus and Method - Embodiments of the invention provide a vacuum valve apparatus and method to provide a vacuum to equipment. The vacuum valve can include an air port tube, a vacuum port tube, a motor, and a control arm coupled to the vacuum port tube and the motor. The motor can cause the control arm to move in an arc in order to flex the vacuum port tube and selectively create the vacuum and vent the vacuum provided to the equipment. | 12-22-2011 |
| 20110308630 | HELMHOLTZ DAMPER AND METHOD FOR REGULATING THE RESONANCE FREQUENCY OF A HELMHOLTZ DAMPER - A Helmholtz damper, including an enclosure, a neck extending from the enclosure, and a pipe for inserting into the neck. The portions of the pipe inserted into the neck is adjusted to regulate a resonance frequency of the Helmholtz damper. | 12-22-2011 |
| 20110308631 | CONSTANT FLOW REGULATOR DEVICE - A constant flow regulator device for maintaining a constant flow of fluid when a variable fluid pressure is applied, comprising an inlet duct ( | 12-22-2011 |
| 20110308632 | Closing and Sealing Means for Air Admittance Valves in Sanitary Waste Water Pipe Systems - The closing and sealing device for use in air admittance valves includes a valve housing ( | 12-22-2011 |
| 20110315230 | METHOD AND APPARATUS FOR ACID GAS COMPRESSION - The present invention provides novel motor-compressor systems and methods useful for handling acid gas, by-produced produced in large quantities from natural gas refining. In one embodiment, a novel motor-compressor system comprises first compressor; a pressure vessel configured to receive a compressed gas from the first compressor; a heat exchanger coupled to the pressure vessel configured to cool the compressed gas and provide a cooled compressed gas; and an electric motor housed within the pressure vessel, wherein the electric motor is mechanically coupled to the first compressor, and wherein the pressure vessel is configured to receive at least a portion of the cooled compressed gas from the heat exchanger and contact the electric motor. The methods and systems described herein are particularly useful in acid gas re-injection operations where large quantities of acid gas are subjected to compression at high pressure and leakage prevention is critical. | 12-29-2011 |
| 20110315231 | FLOW CONTROL DEVICE USING A DIAPHRAGM - A flow control device comprises an inlet side; an outlet side; and a sealing member between the inlet and the outlet side. A diaphragm selectively opens or closes or control a degree of closure of an opening between the inlet and the outlet sides depending on the proximity of the diaphragm to the sealing member. The diaphragm comprises a first portion of one side of the diaphragm exposed to the inlet side fluid pressure and a second portion of the same side of the diaphragm exposed to the outlet side fluid pressure and the opposite side of the diaphragm exposed to a control fluid pressure. The movement of the diaphragm between the open and closed states is governed by the inlet, outlet and control pressures which cause deformation of the diaphragm. | 12-29-2011 |
| 20110315232 | AUTOMATED VACUUM ASSISTED VALVE PRIMING SYSTEM AND METHODS OF USE - An automated system ( | 12-29-2011 |
| 20110315233 | Universal Subsea Oil Containment System and Method - A system, method, and apparatus for containing oil and gas leaking from an underwater wellhead or other man-made structure. The apparatus includes a conduit having an upper end and a lower end with an opening. The conduit is sized for the lower end to be positioned over a plume leaking from the man-made structure and the upper end to be substantially near or at the water surface. In addition, a containment tank is located in the upper portion of the interior of the conduit. The apparatus also includes a first tube for pumping liquid located within the containment tank out of the interior of the conduit, thereby creating a pressure differential between a pressure within the interior of the conduit and a pressure outside the conduit to induce an upward flow of fluids within the conduit. The interior pressure of the conduit is lower than the pressure outside the conduit. The apparatus also includes a second tube for releasing gas from the interior of the conduit. The conduit is positioned over the leaking man-made structure and oil and gas flow upward from the leaking man-made structure through the interior of the conduit. | 12-29-2011 |
| 20120000545 | DIGITAL TIRE PRESSURE GAUGE WITH BLEED VALVE - A digital tire pressure gauge has a housing having a first and a second end. A port at the first end of the housing is adapted to engage with and open a needle valve of a tire valve stem. The gauge also includes a pressure sensor and a processor in electronic communication with the pressure sensor. A bleed valve is disposed in the housing and a bleed lever is in contact engagement with the bleed valve. When the port is coupled to the tire valve stem, in a first operational mode, the bleed valve is closed and an air pressure measurement is obtained. In a second operational mode, pressing the bleed lever causes the bleed valve to open and to allow air to be bled out from the tire via the pressure gauge. | 01-05-2012 |
| 20120018002 | Gas flow restrictor - The gas flow restrictor includes a cylindrical body having threads for mounting the body in a gas flow line. One end of the body is closed and includes a plurality of angularly spaced plugs having a predefined diameter that may be the same or different from each other. Each plug is selectively removable from a correspondingly sized orifice, singly or in combination, to set the desired gas flow and thereby reduce incoming gas flow pressure through the lines. | 01-26-2012 |
| 20120018003 | LATCHING VALVE - A latching valve includes a housing, a supply port, defined in the housing, which receives supply pressure, a delivery port defined in the housing, an exhaust port, defined in the housing, and an apply port defined in the housing. A housing bore fluidly communicates with the supply port, the delivery port, the exhaust port, and the apply port fluidly. A shuttle is sealingly and movably secured in the housing bore. The shuttle is alternately set to one of an apply position and a release position as a function of sequential pilot pressures at the apply port acting on the shuttle, and as a function of the supply pressure acting on one of an apply pair of sealed seats with different diameters in the housing bore and a release pair of sealed seats with different diameters in the housing bore. The delivery port fluidly communicates with the supply port while the shuttle is in the apply position. The delivery port fluidly communicates with the exhaust port while the shuttle is in the release position. | 01-26-2012 |
| 20120018004 | METHOD AND APPARATUS FOR CONTROLLING FLOW ABOUT A TURRET - Methods and apparatus are provided to control flow separation of an ambient flow along a surface and about a turret, such as by reducing flow separation aft of the turret. By reducing flow separation, the resulting turbulence may be similarly reduced such that the performance of a system, such as a laser system, housed by the turret may be improved. To reduce flow separation, a motive flow may be provided by ejector nozzles that open through the surface and are positioned proximate to and aft of the turret relative to the ambient flow. The motive flow has a greater velocity than the ambient flow to thereby create a region aft of the turret of reduced pressure relative to an ambient pressure. Within this region of reduced pressure aft of the turret, a portion of the ambient flow mixes with the motive flow, thereby reducing or eliminating flow separation. | 01-26-2012 |
| 20120024393 | METHOD AND DEVICE FOR DETECTING THE FLOW OF A LIQUID - Method and device for detecting the flow of liquid, in particular water, in a consuming installation, comprising at least one opening/closing means ( | 02-02-2012 |
| 20120024394 | METHOD FOR LOWERING THE PRESSURE IN A LOAD LOCK AND ASSOCIATED EQUIPMENT - The invention relates to a method for lowering the pressure in a device charge-discharge lock from atmospheric pressure to a sub-atmospheric transfer pressure, said lock comprising a chamber in which at least one substrate is arranged at atmospheric pressure, said method comprising: a first step ( | 02-02-2012 |
| 20120024395 | LIQUID SUPPLYING APPARATUS, LIQUID EJECTING APPARATUS AND PRESSURE CONTROL METHOD - A liquid supplying apparatus includes: a first flow channel configured to be switchable between a state of communication with a liquid supply object and a state of noncommunication with the liquid supply object; a first pressure applying device which applies pressure to liquid in the first flow channel; a first pressure absorbing device which absorbs a pressure fluctuation of the liquid in the first flow channel; a first measuring device which measures a pressure increase value in the first flow channel when the first pressure applying device is operated under a standard operating condition in which pressure in the first flow channel varies relatively moderately in proportion to a liquid feed amount to the first flow channel in the state of noncommunication where the liquid supply object and the first flow channel are not communicated with each other; a comparing device which compares the pressure increase value measured by the first measuring device with a predetermined pressure increase target value; and a pressure controlling device which controls the first pressure applying device according to a comparison result of the comparing device so as to correct the pressure applied into the first flow channel. | 02-02-2012 |
| 20120031499 | Method and Apparatus for Controlling Gas Flow via a Gas Shut-Off Valve Assembly - The present invention comprises a method and apparatus for controlling gas flow via a gas shut-off valve assembly. In at least one embodiment, the assembly is configured to drive its shut-off valve from an open position to a closed position, in response to detecting a valve closure condition. The assembly in one or more embodiments operates as an intelligent node in an AMR network, and it interprets a received closure command as a closure condition. Additionally, or alternatively, the assembly detects abnormal operating conditions as the closure condition. Advantageously, the assembly performs initial closure verification, based on detecting movement of the valve into the closed position, and performs subsequent closure verification, based on monitoring downstream gas pressure. In the same or other embodiments, the assembly provides enhanced stand-alone reliability and safety by incorporating one or more valve clearing/cleaning routines into its operations. | 02-09-2012 |
| 20120031500 | FLUID CONTROL APPARATUS - To provide a fluid control apparatus capable of reducing the space, while reducing the cost. | 02-09-2012 |
| 20120037237 | WATER DISTRIBUTION METHODS AND SYSTEMS FOR LIVESTOCK SHIPPING CONTAINERS ON A SHIPPING VESSEL - Water distribution systems and methods for continuously supplying drinking water to one or more shipping containers holding livestock throughout the duration of a shipment. | 02-16-2012 |
| 20120037238 | FLUID OPERATED ACTUATOR INCLUDING A BLEED PORT - A fluid operated actuator ( | 02-16-2012 |
| 20120055560 | FLUID STREAM POWERED PULSE GENERATING FLUIDIC OSCILLATOR - A fluidic device which produces fluid pulses having a selected pulse repetition frequency, pulse duration, pulse peak pressure and pulse peak flow rate includes first, second and third fluid flow controlling channels or lumens which converge in a junction, defining a “Y” configuration having a base leg and right and left diverging arms. The first leg portion has a fluid input and terminates downstream at the Y junction of the base and the two diverging arms. The first leg has converging walls which reduce the cross sectional area of the flow to thereby increase the fluid velocity to make a fluid jet. The second or right leg, begins at the Y junction and terminates distally in an enclosed, fluid-tight container having a selected blind volume. The third, or left leg, begins at the Y junction and terminates distally in a fluid outlet passage having a selected cross-sectional area. | 03-08-2012 |
| 20120055561 | Method to control pressures in vertical escape routes - The present Invention relates to a method of controlling pressures in vertical escape routes for the purpose of securing vertical escape routes, characterised in that the amounts of supplied and discharged air depend on the temperature value in the vertical escape route | 03-08-2012 |
| 20120060935 | Fuel Tank Temperature and Pressure Management Via Selective Extraction of Liquid Fuel and Fuel Vapor - A method and apparatus for managing temperature and pressure of fuel in a fuel tank stored at or near its vapor pressure. In response to fuel feed pressure, a variable ratio of liquid fuel to fuel vapor is extracted from the fuel tank in order to regulate temperature and pressure of the fuel for the purpose of keeping the pressure lower in anticipation of refilling or to assist a vaporizer of the fuel system which is incompletely vaporizing the fuel. | 03-15-2012 |
| 20120060936 | METHOD FOR PREVENTING PRESSURE IN VESSELS FROM DROPPING BELOW MINIMUM ALLOWABLE PRESSURE - A method and system for preventing gas pressure in a pressure vessel from dropping below a minimum allowable pressure. Pressure readings from a pressure sensor downstream of a pressure regulator are monitored by a processor as they vary within a steady fluctuation band under normal regulated pressure conditions. When the pressure regulator reaches a fully open position in low vessel pressure conditions, the processor detects a drop in the pressure reading to a value below the recent fluctuation band, and recognizes that the pressure is dropping below the regulation pressure value. The processor can use this information to shut off flow of gas from the vessel, thus preventing the vessel from dropping below its minimum allowable pressure, regardless of the actual magnitude of the pressure reading from the sensor—which can vary through a wide range due to tolerances. | 03-15-2012 |
| 20120060937 | METHOD AND APPARATUS FOR CONTROLLING THE FLOW RESISTANCE OF A FLUID ON NANOSTRUCTURED OR MICROSTRUCTURED SURFACES - A method and apparatus is disclosed wherein the flow resistance of a droplet disposed on a nanostructured or microstructured surface is controlled. A closed-cell feature is used in a way such that, when the pressure of at least a first fluid within one or more of the cells of said surface is decreased to or below a desired level, a droplet disposed on that surface is caused to at least partially penetrate the surface. In another illustrative embodiment, the pressure within one or more of the cells is increased to or above a desired level in a way such that the droplet of liquid is returned at least partially to its original, unpenetrated position. In yet another embodiment, a closed-cell structure feature pattern is used to prevent penetration of the nanostructured or microstructured surface, even when the pressure of the fluid disposed on the surface is relatively high. | 03-15-2012 |
| 20120067431 | Method of controlling by-products of vitamin C degradation and improving package integrity shelf life - The invention is a method of venting the degradation products of an ascorbic acid containing composition. This prevents a build-up of carbon dioxide and may prolong the life of the packaging. The packaging includes an impermeable container and a semi-permeable top, which allows carbon dioxide to vent over time. When the composition includes water, the surface area of semi-permeable material contacting the composition is reduced to lessen water vapor loss. | 03-22-2012 |
| 20120067432 | HYDRAULIC SYSTEM AND A WORKING MACHINE COMPRISING SUCH A HYDRAULIC SYSTEM - A hydraulic system for a working machine includes at least one work function and a control valve unit for controlling hydraulic fluid to and from the work function, and a recovery unit connected to a return port of the control valve unit for recovering energy from the work function. The system further includes an arrangement for limiting the pressure of the hydraulic fluid at the return port, which pressure limiting arrangement has a pilot-operated valve adapted to set a maximum allowable pressure at the return port of the control valve unit. The pressure is variable by controlling the pilot-operated valve by a control unit. | 03-22-2012 |
| 20120067433 | DEVICE AND METHOD FOR CONTROLLING FLUID FLOWS IN LAB-ON-A-CHIP SYSTEMS AND METHOD FOR PRODUCING SAID DEVICE - An array of valves are arranged in n columns and m lines and which are each designed to control a fluid flow in an associated flow channel in a lab-on-a-chip system. The array includes at least two valves, every column having not more than one valve and every line having from zero to n valves. A device is used for actuating the valves. The valves are pressure-actuated. To produce the device, the flow channels are arranged in accordance with the arrangement of the valves. | 03-22-2012 |
| 20120073672 | SYSTEM FOR AND METHOD OF FAST PULSE GAS DELIVERY - A system for and method of delivering pulses of a desired mass of gas to a tool is described. A system for delivering pulses of a desired mass of gas to a process chamber or tool, comprising: a gas delivery chamber; a first valve arranged so as to control the flow of gas into the gas delivery chamber; a second valve arranged so as control the flow of gas leaving the gas delivery chamber so that the gas can leave the gas delivery chamber in pulses, each of a selected mass as a function of the initial pressure of the gas in the gas delivery chamber and the duration of the respective pulse; and a pressure control arrangement configured and arranged so as to control the flow of gas into the gas delivery chamber so as to precharge the gas in the gas delivery chamber to an initial pressure set point prior to delivering the pulses of gas such that the variance of the starting pressure of the gas in the gas delivery chamber is controlled prior to delivering the pulses of gas, and the repeatability of the mass delivery is improved as a function of the duration of each of the pulses. | 03-29-2012 |
| 20120073673 | SOLUTION SENDING SYSTEM AND SOLUTION SENDING METHOD - A solution sending system includes a flow path; a pump including a space that also serves as part of the flow path; a flow volume detection unit that detects a flow volume per unit time in the flow path; a control unit that controls the pump in accordance with a detected value of the flow volume detection unit and a set value; and a flow path resistance changing unit that changes a flow path resistance in the flow path. The flow path resistance changing unit changes the flow path resistance in the flow path in accordance with the detected value and the set value. | 03-29-2012 |
| 20120080096 | SYSTEM AND METHOD FOR CONTROLLING A FLOW OF AIR - A method for controlling a flow of air includes establishing a level of vacuum in a booster device by generating the flow of air from the booster device using a pump. The method also includes determining whether the level of vacuum in the booster device has reached a predetermined value. The method additionally includes terminating the flow of air from the booster device when the level of vacuum in the booster device has reached the predetermined value. A system for controlling a flow of air according to the method may be incorporated into a motor vehicle having an internal combustion engine that is adapted to drive the pump. | 04-05-2012 |
| 20120085424 | METHOD FOR ADJUSTING PRESSURE IN A FUEL TANK AND A FUEL TANK SYSTEM - A method and a fuel tank system for adjusting a pressure in a fuel tank are described. Evaporated fuel tank escapes from the fuel tank under overpressure with respect to the ambient and is transferred to a temporary storage for at least one substance of the evaporated fuel. A venting means, through which the evaporated fuel escapes, is controlled by at least one parameter different from a pressure or at least one information provided in form of data. The pressure in the fuel tank can thereby be more variably adjusted. | 04-12-2012 |
| 20120085425 | PERSONAL HEMODIALYSIS SYSTEM - A dialysis machine method includes in an embodiment applying a pneumatic closing pressure to a first valve chamber and arranging a compliance chamber to flex and absorb energy from the pneumatic closing pressure so as to tend to prevent the pneumatic closing pressure from opening an existing closure of a second valve chamber. | 04-12-2012 |
| 20120090692 | VALVE FOR LAB-ON-A-CHIP SYSTEMS, METHOD FOR ACTUATING AND FOR PRODUCING VALVE - A substrate of a lab-on-a-chip system has two adjacent recesses, one serving as a flow channel and the other one being filled with an elastomer compound. In a first state, the elastomer compound and the substrate delimit the flow channel in a section. In a second state, the elastomer compound takes up the space in the recess in the substrate along a cross-section of the flow channel, thereby completely closing the flow channel. The substrate and the elastomer compound may be produced by injection molding techniques. | 04-19-2012 |
| 20120097258 | METHOD AND DEVICE FOR SWITCHING A PARTICULATE MATERIAL FLOW IN THE CONSTRUCTION OF MODELS IN LAYERS - The invention relates to a method for switching a particulate material flow in the construction of models in layers, wherein particulate materials are fed to a subsequent method step from a container having an opening in the direction of a workpiece platform. The particles in the container are exposed to a vacuum and to overpressure. | 04-26-2012 |
| 20120103429 | INTERNAL PRESSURE BOOST SYSTEM FOR GAS UTILITY PIPELINES - A method and system for boosting pipeline gas pressure in a low-pressure gas pipeline in which a supplemental gas supply pipe in fluid communication with a supplemental pipeline gas supply is provided to an interior of a gas pipeline containing a pressurized pipeline gas, where the pressure of the supplemental pipeline gas supply is greater than the pressure of the pressurized pipeline gas. The gas pressure differential between the pressurized pipeline gas and the supplemental pipeline gas supply pressure is measured. When the pressure differential reaches a certain predetermined set value, supplemental pipeline gas is provided from the supplemental pipeline gas supply through the supplemental gas supply pipe into a pipeline space between the gas pipeline and the supplemental gas supply pipe. The flow of supplemental pipeline gas is halted upon achievement of a second predetermined set differential pressure. | 05-03-2012 |
| 20120111417 | OFFSET AMBIENT LEVEL FUEL FEED SYSTEM - A fuel system for an aircraft includes a fuel collector downstream of a boost pump and upstream of an engine fuel pump. | 05-10-2012 |
| 20120111418 | PIPELINES AND CONVEYING METHODS - A pipeline for conveyance of a multiphase fluid is provided. The pipeline comprises a containment element and a tubular element. The containment element defines a cavity and an inlet in fluid communication with the cavity. The tubular element passes through the containment element and with a portion thereof disposed within the cavity to be in fluid communication with the inlet of the containment element. A gasification system for gasification a solid powder and a method for conveyance of a multiphase fluid are also presented. | 05-10-2012 |
| 20120111419 | Method for Delivering Fluids Using a Centrifugal Pump - A method for delivering a fluid using a centrifugal pump ( | 05-10-2012 |
| 20120118396 | METHOD AND DEVICE FOR SUPPLYING GAS - The invention relates to a method and to a device for gassing, wherein a gas mixture of a gassing agent and of a cryogenic liquid is vaporized in that the mixture, which is pressurized in a storage container, is guided through a pressure reducing valve, so that the mixture is vaporized completely and the steam is supplied for gassing goods. | 05-17-2012 |
| 20120125444 | BACKFLUSH METHODS AND DEVICES FOR CHROMATOGRAPHY - Certain embodiments described herein are directed to chromatography systems that include a microfluidic device and that implement one or more methods to direct sample to a desired fluid flow path. The methods can be used to backflush a sample to a desired fluid flow path to select certain analytes within a sample. | 05-24-2012 |
| 20120132289 | HYDRAULIC PULSE VALVE WITH IMPROVED PULSE CONTROL - Hydraulic pulses are produced each time that a pulse valve interrupts the flow of a pressurized fluid through a conduit. The pulse valve includes an elongate housing having an inlet configured to couple to the conduit to receive the pressurized fluid, and an outlet configured to couple to one or more tools. In the housing, a valve assembly includes a poppet reciprocating between open and closed positions, and a poppet seat, in which the poppet closes to at least partially block the flow of pressurized fluid through the valve. A pilot within the poppet moves between disparate positions to modify fluid paths within the valve. When the valve is open, a relatively lower pressure is produced by a Venturi effect as the fluid flows through a throat in the poppet seat, to provide a differential pressure used to move the pilot and poppet. An optional bypass reduces the pulse amplitude. | 05-31-2012 |
| 20120132290 | Laminated, Leak-Resistant Chemical Processors; Methods of Making, and Methods of Operating - The invention provides methods of making laminated devices (especially microchannel devices) in which plates are assembled and welded together. Unlike conventional microchannel devices, the inventive laminated devices can be made without brazing or diffusion bonding; thus providing significant advantages for manufacturing. Features such as expansion joints and external welded supports are also described. Laminated devices and methods of conducting unit operations in laminated devices are also described. | 05-31-2012 |
| 20120132291 | TRANSIENT MEASUREMENTS OF MASS FLOW CONTROLLERS - An apparatus to measure the transient response of a mass flow controller (MFC). The size of a variable orifice, upstream of the MFC, is controlled such that the pressure between the orifice and the MFC is held constant during the entire time that the MFC is going through its transient response. The known relationship between the size of the orifice and the flow through it allows a determination of the transient response of the MFC. | 05-31-2012 |
| 20120132292 | VACUUM COMPARTMENT IN REFRIGERATOR - A refrigerator comprises a vacuum source and a food storage compartment including a drawer unit having a storage space. The food storage compartment is operable between a substantially air-tight retracted position and an open extended position. A vacuum source is in communication with the storage space of the drawer unit and is operable to reduce air pressure inside the drawer unit during an evacuation event. A sealing unit includes a base connected to the drawer unit. A sealing bracket is hingedly-connected to the base and operable between a raised position and a lowered position, the sealing bracket adapted to abut the base when in the lowered position. A heat sealing bar is disposed on one of the base and the sealing bracket. A control system is operable to activate the vacuum source and initiate the evacuation event when the drawer unit is in the air-tight retracted position. | 05-31-2012 |
| 20120145251 | Discharge Vacuum Relief Valve for Safety Vacuum Release System - Embodiments of the invention provide a pumping system and a discharge vacuum relief valve for use in a hydraulic system including a safety vacuum release system pump to circulate water in a swimming pool and/or a spa. The hydraulic system includes one or more check valves located on a discharge side of the safety vacuum release system pump. The discharge vacuum relief valve is capable of venting a vacuum at the discharge side of the safety vacuum release system pump during a vacuum event at a suction side of the safety vacuum release system pump. | 06-14-2012 |
| 20120145252 | Micromachined Device and Control Method - A microvalve device is disclosed for controlling fluid flow in a fluid circuit. The microvalve device comprises a body having a bore formed therein. A pilot-operated main valve spool supported by the body is movably disposed in the bore for opening and closing ports formed in the body. A pilot microvalve is operable for controlling movement of the pilot-operated main valve. The pilot microvalve may include a movable valve element that controls the cross-sectional area of two variable orifices in series. When the pilot microvalve is at rest, one orifice is closed and the other is open. Upon actuating the pilot microvalve, the closed orifice may begin to open and the open orifice may begin to close. Pressure between the orifices is used as a command pressure, which is utilized to position the pressure control valve to control load pressure. A method of operating a microvalve device is also disclosed. | 06-14-2012 |
| 20120145253 | SYSTEM AND METHOD FOR MICROFLUIDIC FLOW CONTROL - A system and method for controlling fluid flow within a microchannel includes a fluid circuit comprising a fluid outlet well and one or more fluid inlet wells, all in communication with a microchannel. A negative pressure differential is applied to the outlet well and fluid flow from an inlet well into the microchannel is controlled by opening or closing the inlet well to atmospheric pressure. To stop fluid flow from the inlet well, a negative pressure differential may be applied to the inlet well to equalize pressure between the inlet and outlet wells. By sequentially opening and closing different inlet wells to atmosphere, controlled amounts of different reagents can be serially introduced into the microchannel. | 06-14-2012 |
| 20120152369 | SYSTEM FOR FORMING EMULSIONS - System, including methods, apparatus, and kits, for forming emulsions. The system may include an instrument and a microfluidic chip received by the instrument. The instrument may apply pressure to prospective emulsion phases held by the chip, to drive formation and collection of emulsions in the chip. In some embodiments, the instrument may stop applying pressure to the chip when a change in pressure meeting a predefined condition is detected by the instrument. The change may indicate that an endpoint of droplet generation has been reached. | 06-21-2012 |
| 20120152370 | PRESSURE TANK SYSTEM FOR A MOTOR VEHICLE - A pressure tank system for a motor vehicle has a fuel tank ( | 06-21-2012 |
| 20120160335 | PRESSURE RETENTION VALVE AND INTEGRATED VALVE FOR TANK SYSTEM - A pressure retention valve with integrated valve is disclosed. The pressure retention valve with integrated valve includes a housing; an outer piston positioned in the housing; a main seal between the outer piston and the housing; an inner piston positioned in the outer piston, the inner piston having a bore containing a valve; a spring between the housing and a top of the outer piston; an ambient bore in the housing above the main seal; an outlet in the housing below the main seal; and a vessel connection in the housing adjacent to the bore of the inner piston. Methods of supplying fuel to a gas consuming system using the pressure retention valve are also described. | 06-28-2012 |
| 20120160336 | Devices and Methods for Varying the Geometry and Volume of Fluid Circuits - A device and method for varying the pressure in a fluid circuit through altering the geometry and volume of the fluid circuit to equalize the pressure differential across components in the circuit such as valves to facilitate the operation of the valve or other components within the fluid circuit. An expandable/retractable mechanism may be in communication with a pressure vessel in the fluid circuit, and may be operable to vary the interior geometry, and consequently the volume, of the vessel to cause a pressure increase or decrease in the vessel, thereby equalizing pressure across a valve on the vessel and facilitating operation of the valve. | 06-28-2012 |
| 20120167996 | Valve Controller Automatic Calibration Without User Interface - A valve controller may have inputs that can be programmably set to one of several functions. A first function is for use as a event monitor, whereby a signal at the inputs may cause the valve controller to report an alert or send an alarm. A second function is to activate a self-calibration routine in the valve controller responsive to the signal where the valve controller tests and records the limits of valve travel. An optional pressure range calibration and performance tuner may also be activated in conjunction with the valve travel calibration. While the self-calibration routine is running, applying the signal a second time may cancel the self-calibration routine and restore system variables and modes to their state prior to initiating the self-calibration. | 07-05-2012 |
| 20120167997 | COUPLING AND SWITCHING ELEMENT FOR LINES FOR TRANSPORTING FLUIDS - A coupling and switching unit for transporting a gas-containing fluid includes at least one line having at least one coupling device. The at least one line is configured as a feed line for a gas/liquid mixture. A branched-off line is arranged at the end of the at least one line. The branched-off line is configured to direct the liquid/gas mixture towards an outflow. A throttle valve is arranged in the branched-off line. A valve is configured to control a discharge of a main flow of the gas/liquid mixture. | 07-05-2012 |
| 20120167998 | UNINTERRUPTED FLOW PUMP APPARATUS AND METHOD - This invention describes a method for pumping or delivering fluids utilizing a flexible vessel subject to controlled pressures within another pressure vessel. The pressure vessel can be sourced with positive and/or negative (e.g., vacuum) pressure. | 07-05-2012 |
| 20120174986 | METHOD OF OPERATING ON-OFF VALVE - A method of operating an on-off valve comprises closing one of two openings of a valve body with a seal member of a closure element within the valve body, the valve body being within an evacuation pipe connected between a process chamber and an evacuation apparatus; moving the closure element, using a linear driver, so that the seal member is moved away from the one of the two openings; and positioning the closure element into a retreat portion in an surface of the valve body, using the linear driver and a pivotal driver adapted to pivot the closure element between the one of the two openings and the retreat portion, so that the seal member is closed inside a protection seal member of the closure element to surround the seal member, thereby preventing the seal member from being directly exposed to the process gas. | 07-12-2012 |
| 20120186658 | WATER TREATMENT SYSTEM - A water treatment system is provided including a disinfection system, a filter and a turbine generator. A manual pump is positioned downstream of the filter to create negative pressure to draw water through the filter. The manual pump also creates positive pressure to dispense treated water from the outlet of the system. The movement of the water through the system powers the turbine generator. The power generated can be used to monitor a characteristic of the water treatment system. | 07-26-2012 |
| 20120186659 | FLUID CONTROL VALVE SYSTEMS, FLUID SYSTEMS EQUIPPED THEREWITH, AND METHODS OF USING - A fluid control valve system suitable for use in fluid systems. The valve system includes at least one check valve assembly that has a controllable bidirectional flow capability. The valve system and its check valve assembly can be installed in a fluid system that contains a pump/motor to enable the displacement output of the pump/motor to be controlled. The valve system further includes a pilot valve assembly and a device for controlling the check and pilot valve assemblies. The controlling device is adapted to control the pressure of at least one pilot fluid delivered to the pilot valve assembly, which enables the check valve assembly to selectively check flow of a working fluid flowing therethrough in either of two directions. | 07-26-2012 |
| 20120199211 | AIRFLOW CONTROL SYSTEM - An airflow control system for controlling pressure and flow through a flow passage with an upstream portion and a downstream portion includes a valve which can open to different positions for controlling pressure at a downstream portion of the flow passage; a valve actuator which receives electrical signals to control the opening and closing of the valve; and a pneumatic feedback system to stabilize the valve actuator. | 08-09-2012 |
| 20120204965 | METHOD AND APPARATUS FOR CONTROLLING A PROCESSING SYSTEM - Methods and apparatus for controlling a processing system are provided herein. In some embodiments, a method of controlling a processing system may include operating a vacuum pump coupled to a process chamber at a first baseline pump idle speed selected to maintain the process chamber at a pressure equal to a first baseline pump idle pressure; monitoring the pressure in the process chamber while operating the vacuum pump at the first baseline pump idle speed; and determining whether the first baseline pump idle pressure can be maintained in the process chamber when the vacuum pump is operating at the first baseline pump idle speed. | 08-16-2012 |
| 20120211089 | RECIRCULATING, CONSTANT BACKPRESSURE CORE FLOODING APPARATUS AND METHOD - An apparatus and method for simulating production conditions in hydrocarbon-bearing reservoirs, as an example, by flooding of core samples from such reservoirs, are described. Full recirculation flow measurements permit several fluids (for example, crude oil, brine, and gas) to be simultaneously injected into core samples having varying dimensions. Accurate and stable back pressures are maintained at total flow rates of as high as 200 cc/min., for a large range of fluid viscosities. Accurate and stable net overburden pressures relative to pore pressure are also maintained, thereby simulating the formations at depth. Core samples from formations may also be investigated using the apparatus and method hereof, for carbon dioxide sequestration potential, as another example. | 08-23-2012 |
| 20120216877 | ELECTRO-HYDRAULIC SENSOR FAIL SAFE - A fail-safe system and method for an electro-hydraulic system. The system includes a controller, sensor, directional control valve, interlock, hydraulic valve and movement actuator. The directional control valve moves when the controller is moved. The interlock is hydraulically coupled to the directional control valve; and is in active position when the directional control valve is moved, and in shutoff position when the directional control valve is not moved. The hydraulic valve has an input side coupled to a flow source and an output side coupled to a hydraulic function. The movement actuator moves the hydraulic valve to a desired position as directed by the controller when the interlock is in the active position, and does not move the hydraulic valve when the interlock is in the shutoff position. The sensor detects movement of the controller and sends a control signal to the first valve actuator. | 08-30-2012 |
| 20120222750 | LENGTH-ADJUSTABLE PRESSURE-RETAINING PIPING COMPONENTS - Generally, the subject matter disclosed herein relates to length-adjustable pressure-retaining components used in piping systems. In one illustrative embodiment, a device comprising a first pressure component and an adjustable spacer ring operatively coupled to the first pressure component is disclosed, wherein the adjustable spacer ring is adapted to adjust a combined overall length of said the pressure component and the adjustable spacer ring. | 09-06-2012 |
| 20120222751 | GAS SUPPLYING APPARATUS, CYLINDER CABINET PROVIDED WITH THE SAME, VALVE BOX, AND SUBSTRATE PROCESS APPARATUS - A disclosed gas supplying apparatus includes a pressure controller that reduces a primary pressure thereby providing a secondary pressure greater than a process pressure at which a predetermined process is performed and less than the atmospheric pressure in a secondary pipe; a pressure sensor that measures a pressure in the secondary pipe; a first open/close valve provided in the secondary pipe; an open/close valve controller that opens or closes the first open/close valve; a pressure comparator that compares the pressure measured by the pressure sensor in the secondary pipe with a first set pressure that is greater than the process pressure by a predetermined pressure; and a controller that outputs a signal to the open/close valve controller thereby closing the first open/close valve, when the pressure comparator determines that the pressure in the secondary pipe is less than the first set pressure. | 09-06-2012 |
| 20120227823 | Flow Control Screen Assembly Having Remotely Disabled Reverse Flow Control Capability - A flow control screen having a fluid flow path between the interior of a base pipe and a filter medium. A valve assembly, including a piston body, a valve plug and a ball retainer having an opening, is disposed within the fluid flow path. The piston body has an internal seat and a collet assembly that is radially outwardly constrained by the ball retainer in a first operating position to retain the valve plug therein and radially outwardly unconstrained by the ball retainer in a second operating position. Reverse flow is initially prevented as internal differential pressure seats the valve plug on the internal seat and causes the piston body to shift to the second operating position upon reaching a predetermined threshold. Thereafter, external differential pressure causes the valve plug to be expelled from the valve assembly through the opening of the ball retainer, thereby no longer preventing reverse flow. | 09-13-2012 |
| 20120227824 | Methods And Apparatus For Gas Compression With Gas Flow Rate And Pressure Regulation - A flow control means, such as a mass flow controller, is connected at the supply output stream of a compressed and cooled gas, such as helium, to regulate the flow rate of the gas. Specific embodiments provide in addition to the flow regulator a pressure regulator, such as for example a stepper motor controlled pressure regulator, is connected before or after the flow regulator to regulate the pressure of the output gas. The flow rate and pressure regulators have integrated controllers or user interfaces. Specific embodiments provide programmable controls with attendant user interfaces to program the desired profile of flow characteristics of pressure, including differential pressures, and flow rate. Analog and digital controller embodiments are provided. | 09-13-2012 |
| 20120227825 | METHOD AND DEVICE FOR RECYCLING COMPRESSED GAS - A method and a device for recycling compressed gas where the compressed gas used in a compressed gas consumer, particularly a container blow-molding machine, is fed back into a compressed gas generator. In order to increase the recycling volume, the compressed gas from the compressed gas consumer is collected separately and fed back to at least a first and a second pressure range of the pressure generator separately according to pressure stages. | 09-13-2012 |
| 20120234396 | PRESSURE REGULATOR WITH IMPROVED DEADBAND - A pressure regulator is provided. In one embodiment, the pressure regulator includes a piston and supply seal rings, wherein the diameter of the piston is at least half of the sum of the diameters of the supply seal rings to reduce deadband and increase sensitivity. In another embodiment, the pressure regulator has a maximum deadband of less than 200 pounds per square inch when coupled to a supply pressure of at least 1000 pounds per square inch. Other embodiments related to pressure regulators are also provided. | 09-20-2012 |
| 20120241016 | PRESSURIZED FLUID DELIVERY SYSTEM AND METHOD OF USE - A pressurized fluid delivery system and method that can be used to interrogate objects, such as the interrogation and detonation of IEDs. The system and method entail pressurizing a liquid within a vessel with a compressed gas source so that the liquid within the vessel is at a pressure above atmospheric pressure. The pressurized liquid, the compressed gas, or a mixture thereof is then selectively delivered to an outlet, and then discharged from the outlet to physically interrogate the object. | 09-27-2012 |
| 20120255621 | SYSTEM AND METHOD FOR CONTROLLING SHUTOFF VALVES OF COMPRESSED NATURAL GAS FUEL TANKS IN A VEHICLE - A control system for a vehicle includes a fuel tank selection module, a fuel depletion determination module, and a fuel pressure balancing module. The fuel tank selection module closes (N−M) of N shutoff valves of N compressed natural gas (CNG) fuel tanks, respectively, when an enable condition is met and the N shutoff valves have been open for a first predetermined period, wherein N is an integer greater than one and M is an integer less than N. The fuel depletion determination module determines whether the M CNG fuel tanks have provided a predetermined amount of fuel based a fuel parameter. The fuel pressure balancing module opens the N shutoff valves for the first predetermined period when the M CNG fuel tanks have provided the predetermined amount of fuel. | 10-11-2012 |
| 20120260998 | LIQUID MASS MEASUREMENT AND FLUID TRANSMITTING APPARATUS - A liquid mass measurement and fluid transmitting apparatus includes a container for measurement of a mass of fluid therein. A sensor is coupled to the container which measures a mass of fluid within the container independent of variations of pressure within the container. A diaphragm sensor may be located on the bottom of the container whereby electrical signals representing the mass of fluid within the cylinder are created by movement of the diaphragm caused by the mass of fluid thereon. A pressure equalizer which equalizes the pressure within the container to the pressure on the opposite side of the diaphragm allows the measurement of the mass to occur independent of any variations and pressure within the container. Liquid within the mass of liquid within the container can be accurately measured such that a desired mass of liquid may be transmitted for further use. The liquid may be vaporized and transmitted as a vapor. | 10-18-2012 |
| 20120260999 | Device for a Fluid Operated Valve Body and Method for Operation of the Valve Body - A device is described for a fluid operated valve body | 10-18-2012 |
| 20120266969 | Pressure Relief Tool and Method for Closed System - Systems, methods and tools are disclosed for releasing pressure from closed systems. For example, in a SCR system, diesel emission fluid (DEF) can become over pressurized as it is pumped between a DEF pump and a DEF injector. A manifold may be disposed between the pump and injector. The manifold or passageway that communicates the DEF between the pump and injector includes a service port. A plug is disposed between the DEF passage and the service port or on a seat disposed between the DEF passage and the service port. A specially designed tool is employed to dislodge the plug from the seat and release pressure in the DEF passage through the tool and, optionally, through a drain hose connected to a distal end of the tool. | 10-25-2012 |
| 20120273055 | ANNULAR RELIEF VALVE - A pressure relief valve assembly may be coupled to one or more casings and/or tubular members to control fluid communication therebetween. The valve assembly is a one-way valve assembly that relieves pressure within an annulus formed between adjacent casings and/or tubular members to prevent burst or collapse of the casings and/or tubular members. In one embodiment, the valve assembly includes a tubular body having a port for fluid communication between an exterior of the valve assembly and an interior of the valve assembly; a chamber formed in a wall of the tubular body, the chamber in fluid communication with the port; and a closure member disposed in the chamber and configured to control fluid communication through the port in response to a pressure differential. | 11-01-2012 |
| 20120273056 | BARRIER COMPOSITION - A pressure control system ( | 11-01-2012 |
| 20120312385 | MOLECULAR SIEVE DEPRESSURIZATION RECOVERY SYSTEM AND METHOD - A method of depressurizing a molecular sieve used in ethanol production is provided. The ethanol production system includes a plurality of on-line molecular sieve bottles for removing water from ethanol production. When the molecular sieve bottle becomes saturated with water it is taken off-line to depressurize it. The depressurization and removal of water is done from the product discharge end resulting in an approximately 5% to 10% reduction in external energy required to run the ethanol production line. | 12-13-2012 |
| 20130000742 | REDUNDANT ADAPTIVE ALGORITHM FOR ELECTRICAL PRESSURE REGULATED HIGH PRESSURE TANK SYSTEMS - A method and system for controlling a pressure regulator in a gas storage system using a pressure switch as a pressure measurement device. A controller uses supply pressure data and gas flow demand data to compute a feed-forward control term, and uses data from a pressure sensor downstream of the pressure regulator to compute a feedback control term. During normal operation, with pressure downstream of the regulator oscillating about a set point pressure, on-time and off-time periods of a pressure switch are monitored, and an adaptive control term is computed which balances on-time and off-time. If the pressure sensor fails, excessive switch on-time or off-time will be detected; in response to this, the feedback control term is disregarded, and an adaptive control term is computed which aims to restore balanced on-time and off-time of the switch, thus indicating that the actual pressure is oscillating about the set point. | 01-03-2013 |
| 20130008519 | Electronically controlled pressure relief valve - A pressure relief valve comprises a valve body which includes an inlet bore that is connectable to a flow line, an outlet bore that is connectable to a vent line and a valve bore that extends to between the inlet and outlet bores. A valve member is axially movable in the valve bore between a closed position in which fluid in the flow line is prevented from flowing between the inlet and outlet bores and an open position in which the fluid in the flow line is permitted to flow between the inlet and outlet bores. A fluid chamber is located in the valve bore adjacent the valve member, a source of hydraulic fluid is connected to the fluid chamber, and a solenoid operated pilot valve is connected between the fluid chamber and the source of hydraulic fluid. During operation of the pressure relief valve, the pilot valve is opened to fill the fluid chamber with hydraulic fluid, then is closed to trap the hydraulic fluid in the fluid chamber and thereby maintain the valve member in its closed position against pressure in the flow line, and then, when the pressure in the flow line reaches a predetermined level, is opened to release the hydraulic fluid from the fluid chamber and thereby allow the valve member to move from its closed position to its open position. | 01-10-2013 |
| 20130019956 | CONSTANT FLOW RATE FLUID CONTROLLER - An apparatus and method is provided for establishing a constant flow rate of a fluid, such as a gas or a liquid, into a process system. The apparatus typically includes a fluid pressure regulator, a rotameter, and a back pressure regulator. The system may also include a throttle valve. Establishing a constant flow rate involves established a fixed pressure drop across a fixed flow resistance device, such as a rotameter. The pressure of the output of the rotameter is adjusted to be higher than the backpressure from the process system. | 01-24-2013 |
| 20130025696 | METHOD FOR CONTROLLING PRESSURE KEEPING FACILITY FOR COOLING AND HEATING SYSTEM PROVIDED WITH PLURALITY OF SENSORS - The present invention relates to a method of controlling pressure maintenance equipment for a cooling and heating system. More particularly, the present invention relates to a method of operating and controlling, under optimum conditions, pressure maintenance equipment with multiple sensors so as to check for irregularities in the sensors which measure the same physical parameter. In the present invention, measurement values of two or more sensors are used to detect whether an abnormality has occurred in any sensor. If a sensor is determined to be abnormal, a measurement value of the abnormal sensor is excluded when determining a reference control value. Thereby, the pressure can be precisely and reliably controlled in response to actual conditions of the system. | 01-31-2013 |
| 20130032219 | PRESSURE COMPENSATION DEVICE FOR A HOUSING OF AN ELECTROCHEMICAL DEVICE - A pressure compensation device for compensating an internal pressure in a housing of an electrochemical device is provided, including at least one gas through-opening and at least one membrane element with a gas-permeable membrane, which is deformable depending on a change in the internal pressure and by which the gas through-opening is blocked, and a protective degassing element, which is configured and arranged in such a way that when a critical deformation of the membrane is reached, it damages the membrane in such a way that the membrane at least partially opens the gas through-opening for protective degassing of the housing. The pressure compensation device allows both reliable pressure compensation between the interior of the housing and the exterior of the housing of an electrochemical device during normal operation of the electrochemical device and also ensures reliable bursting protection in the event of excess internal pressure in the housing. | 02-07-2013 |
| 20130037119 | VALVE CONTROL OF PUMP INLET PRESSURE WITH BOOTSTRAP RESERVOIR - A closed-loop system includes a pump driving a fluid through a series of conduits. A control system is included that minimizes pressure fluctuations in a bootstrap reservoir to maintain a desired minimum pressure at the pump inlet. Moreover, the control system reduces a maximum system pressure by reducing the magnitude of pressure fluctuations encountered by the bootstrap reservoir. | 02-14-2013 |
| 20130037120 | METHOD FOR THE COMPRESSION OF BOIL-OFF GAS - The invention relates to a method for compression of boil-off gas produced in the storage of liquefied natural gas (LNG), in which the boil-off gas is compressed in a single-stage or multistage manner and then fed to a further use. The boil-off gas (1) that is to be compressed undergoes a pressure elevation by means of at least one ejector (Y) and then warmed (E2), before being compressed (V) in a single-stage or multistage manner> The motive gas (2) used for the ejector (Y) is a substream of the compressed boil-off gas and/or a gas, the composition of which is substantially identical to or similar to that of the boil-off gas (1) and/or the addition of which to the boil-off gas does not adversely affect the intended use of the compressed boil-off gas. | 02-14-2013 |
| 20130037121 | DECOUPLING OF CONTROLLED VARIABLES IN A FLUID CONVEYING SYSTEM WITH DEAD TIME - In a method or apparatus for closed-loop-control of a fluid conveying system, at least one pump, at least one consumer, at least one controller valve, and at least one armature as an actuator of said control valve are provided. Pressure and volume flow rate of the consumer are controlled independently of each other by means of a decoupling controller. | 02-14-2013 |
| 20130056084 | Method And Apparatus For Sample Injection In Liquid Chromatography - The present invention provides a method and apparatus for substantially eliminating destructive transients of pressure or flow rate which can degrade the efficiency and useful lifetime of chromatography columns. The present invention enables a substantially constant flow of mobile phase liquid to be maintained through the chromatography system by eliminating the flow blockage interval associated with the actuation of sample injection valves. The present invention further provides a method to reduce the pressure and flow rate transients associated with pressurization of the sample loop contents when the sample loop is introduced to chromatography system delivery pressure. | 03-07-2013 |
| 20130056085 | RUPTURE DISK - A rupture disk ( | 03-07-2013 |
| 20130061937 | TEMPERATURE COMPENSATED ACCUMULATOR - A temperature compensated accumulator is provided. | 03-14-2013 |
| 20130061938 | PRESSURE CONTROLLING SYSTEM AND PRESSURE CONTROLLING METHOD - A pressure controlling system includes a pressurized device, a piston device, and an electromagnetic routing valve. The pressurized device includes a moving cavity, and a receiving cavity adapted to receive liquid. A pipe is connected to the receiving cavity, and the pipe is adapted to connect a hydraulic cylinder plate. A connecting pipe, a noise elimination pipe, a first gas transmitting pipe, and a second gas transmitting pipe are connected to the electromagnetic routing valve. The first gas transmitting pipe and the second gas transmitting pipe are connected to the pressurized device. | 03-14-2013 |
| 20130068313 | Electronic Pressure Independent Controller For Fluid Flow Control Valve - A flow valve with an integral pressure-independent fluid flow controller for controlling the flow of fluid and corresponding methods for controlling fluid flow are provided. The flow valve comprises a valve body, one or more valve blades arranged on the valve body for controlling fluid flow in a duct section, an actuator for modulating the one or more valve blades, a flow sensor or sensors for sensing fluid flow, a tuning calculation module adapted for determining or monitoring a pressure drop across the valve body and for calculating tuning constants based on the pressure drop, and a controller for controlling the actuator based on a difference between a fluid flow setpoint and the sensed fluid flow in accordance with the tuning constants. The pressure drop may be determined from an algorithm based on blade position and sensed fluid flow, or may be directly measured. | 03-21-2013 |
| 20130068314 | Boundary Layer Disk Turbine Systems for Hydrocarbon Recovery - Provided are various devices and processes that harness the inherent kinetic energy of a flowing pressurized fluid to drive a compressor to compress a fluid without any need for electrical or chemical energy. The flowing fluid flows over a boundary layer disk turbine, or Tesla turbine, which is mechanically coupled to a compressor that compresses a fluid. The flowing fluid may be a natural gas from a hydrocarbon recovery operation. The compressed fluid may be a vapor gas from a hydrocarbon production, processing, or storage facility. Harnessing the kinetic energy of the flowing fluid increases economic efficiency of the process, while also avoiding unwanted emissions adverse to the environment and public health. | 03-21-2013 |
| 20130081704 | METERLESS HYDRAULIC SYSTEM HAVING MULTI-ACTUATOR CIRCUIT - A hydraulic system is disclosed. The hydraulic system may have a pump, a first actuator, and a meterless circuit connecting the first actuator to the pump. The hydraulic system may also have a second actuator connected to the meterless circuit in parallel with the first actuator. The second actuator may be a variable-area linear actuator | 04-04-2013 |
| 20130081705 | SYSTEM FOR EVACUATING GAS FROM A BRAKE BOOSTER - A system for evacuating gas from a brake booster of a motor vehicle includes: a first conduit adapted to be connected fluidly to the brake booster; an electric pump connected fluidly to the first conduit, and controllable to evacuate gas from the brake booster via the first conduit; a second conduit; an electric valve fluidly connecting the first and second conduits to each other; a mechanical pump connected fluidly to the second conduit, and adapted to be driven by a vehicle drive unit of the motor vehicle to evacuate gas from the brake booster via the first conduit, the electric valve, and the second conduit; and a control unit operatively associated with the electric pump and the electric valve, and configured to control operations of the electric pump and the electric valve according to a working state of the mechanical pump. | 04-04-2013 |
| 20130092246 | HYDRAULIC PULSE VALVE WITH IMPROVED PULSE CONTROL - Hydraulic pulses are produced each time that a pulse valve interrupts the flow of a pressurized fluid through a conduit. The pulse valve includes an elongate housing having an inlet configured to couple to the conduit to receive the pressurized fluid, and an outlet configured to couple to one or more tools. In the housing, a valve assembly includes a poppet reciprocating between open and closed positions, and a poppet seat, in which the poppet closes to at least partially block the flow of pressurized fluid through the valve. A pilot within the poppet moves between disparate positions to modify fluid paths within the valve. When the valve is open, a relatively lower pressure is produced by a Venturi effect as the fluid flows through a throat in the poppet seat, to provide a differential pressure used to move the pilot and poppet. An optional bypass reduces the pulse amplitude. | 04-18-2013 |
| 20130098468 | HYDRAULIC DISTRIBUTION SYSTEM EMPLOYING A DUAL PUMP - Disclosed is an exemplary hydraulic system including a first fluid circuit and a first pump fluidly connected to the first fluid circuit. The first pump configured to produce a fluid output at a first flow rate when operated at a selected speed. The hydraulic system further includes a second fluid circuit and a second pump selectively fluidly connectable to the first fluid circuit and the second fluid circuit. The second pump configured to produce a fluid output at a second flow rate when operated at the selected speed, with the second flow rate being greater than the first flow rate of the first pump. A first valve fluidly connects the second pump to the first fluid circuit when the first valve is arranged in an open position, and fluidly connects the second pump to second fluid circuit when the first valve is arranged in a closed position. | 04-25-2013 |
| 20130112281 | High-Pressure Valve - Disclosed in one aspect is a valve comprising (a) a valve body having a poppet valve chamber with an axis running there through; (b) a seat having a seat sealing surface, and a outer-seat surface, the seat located axially within the poppet valve chamber; and (c) a poppet having a poppet sealing surface, the poppet being located axially within the poppet valve chamber; wherein a poppet-seat interface is created between at least a portion of the seat sealing surface and at least a portion of the poppet sealing surface, the poppet-seat interface being at an angle β of from 20 to 90° to the axis. In one embodiment the seat is removable, allowing the geometry of at least the poppet head surface and/or the seat inside surface, which defines a fluid flow-path cross-section, to be tailored. | 05-09-2013 |
| 20130133752 | Method and System for Realizing a Vacuum in a Vacuum Chamber - The invention relates to a method for realizing a vacuum in at least one vacuum chamber. The method comprises providing an arrangement comprising a plurality of vacuum chambers, wherein each vacuum chamber is connected to a shared vacuum system. The shared vacuum system comprises a plurality of turbo molecular pumps, at least one common fore pump, and a piping system comprising one or more pipes for connecting the at least one common fore pump to each of the plurality of turbo molecular pumps. Each turbo molecular pump is separately connected to a corresponding vacuum chamber. The piping system further comprises flow regulators for controlling a flow within the piping system. The method further comprises selecting at least one vacuum chamber for pump-down, and separately pumping down the at least one selected vacuum chamber by means of the shared vacuum system. | 05-30-2013 |
| 20130153041 | GAS VALVE WITH OVERPRESSURE DIAGNOSTICS - This disclosure relates generally to valves, and more particularly, to gas valve assemblies. In one example, a gas valve assembly may include a valve body with one or more valves movable between an opened position and a closed position, one or more valve actuators configured to operate the valves, and one or more pressure sensors to sense a pressure within a fluid path of the valve assembly. A valve controller may receive a measure related to a sensed pressure from the one or more pressure sensor(s). The valve controller may compare the received measure related to the sensed pressure to an overpressure threshold. In the event the measure related to the sensed pressure surpasses the overpressure threshold value, the valve controller may be configured to provide a signal that indicates an overpressure event has occurred. | 06-20-2013 |
| 20130153042 | GAS VALVE WITH HIGH/LOW GAS PRESSURE DETECTION - This disclosure relates generally to valves, and more particularly, to gas valve assemblies. In one example, the valve assembly may include a valve body with a fluid path, one or more valves or valve sealing members positioned across the fluid path, and one or more pressure sensors in fluid communication with a fluid path of the valve assembly. The valve assembly may include a valve controller in communication with the pressure sensors, where the valve controller may be configured to compare a measure related to a pressure sensed by the one or more pressure sensors to a pressure threshold value (e.g., a high pressure threshold value, a low pressure threshold value, or other pressure threshold value). If the measure surpasses the threshold value, the valve controller may provide a predetermined output signal indicating a pressure event has occurred, such as a high or low gas pressure event. | 06-20-2013 |
| 20130153043 | FLOW FORCE-COMPENSATING VALVE ELEMENT WITH LOAD CHECK - A fluid system and method of operation provides flow force compensation and load sense functions. Each work circuit includes an actuator, a control valve, and a first valve. A valve element of a control valve includes main metering orifices sized and shaped to provide flow force compensation. A load sense check valve associated with a load pressure signal conduit is downstream of the load check valve. The load pressure signal conduit of each work circuit is in fluid communication with one another, and a greater of the load signal pressure of the work circuits is communicated to the load sense check valve of the other work circuit. The control valve associated the lesser load can permit flow forces to reduce the effective area of the orifice, which increases the pressure difference across the valve to maintain approximately constant flow to the actuator. | 06-20-2013 |
| 20130153044 | APPARATUS FOR FLOW REGULATION - An apparatus for regulating the flow of a fluid from a source to a target location comprises a housing defining a fluid inlet configured to communicate with a fluid source and a fluid outlet configured to communicate with a target location, and a flow path extending between the fluid inlet and fluid outlet. An inlet valve assembly is mounted in the flow path and comprises a valve seat and a valve member configured to cooperate with the valve seat to regulate flow through the flow path. A balance arrangement is provided and is configured to balance the effect of fluid pressure acting on the inlet valve assembly. | 06-20-2013 |
| 20130153045 | PROCESS CHAMBER PRESSURE CONTROL SYSTEM AND METHOD - A method of and apparatus for controlling pressure in a process chamber having a continuous gas inlet flow and a continuous gas outlet flow comprising providing a pulsed valve at a gas outlet, a pressure gauge, and a programmable controller and varying the pulse rate of the pulsed valve, wherein either the open time or closed time, or both open and closed times, is lengthened or shortened, depending on whether the gauge pressure is above or below the programmed setpoint. | 06-20-2013 |
| 20130167940 | APPARATUS AND METHOD FOR PRESSURE REGULATION - A system for maintaining a desired pressure difference between a first pressure within a chamber and a reference pressure at a reference space. The system may include a peristaltic pump located along a duct that connects the chamber with the reference space. The system may further include a pressure sensor for monitoring an actual pressure difference between the first pressure within the chamber and the reference pressure at the reference space. The system may also include a controller for receiving a signal from the pressure sensor for determining the actual pressure difference from the pressure sensor and for operating the peristaltic pump, in accordance with the actual pressure difference and the desired pressure difference, to increase, decrease or leave unchanged the pressure within the chamber so as to maintain the actual pressure difference within predetermined proximity to the desired pressure difference. | 07-04-2013 |
| 20130167941 | DAMPING DEVICE AND METHOD - The method and device of the present invention reduces the pulsation of fluid from a pump. The damping device and method works on either the positive pressure or negative pressure side of the pump. Under positive pressure the device is attached downstream from the outlet port of a pump, the device having an input port in fluidic communication with the outlet port of the pump, an outlet port, an outer wall with an opening, and a membrane covering the opening, the outer wall of the device and the membrane forming a contained volume. As fluid from the outlet port of the pump passes into the device, it enters the contained volume which expands and contracts, thereby vitiating the pulsations in the fluid flow downstream of the device. Alternatively, under negative pressure the device is attached upstream from the inlet port of a pump. | 07-04-2013 |
| 20130174917 | PRIORITY VALVE ASSEMBLY AND METHOD FOR OPERATING A PRIORITY VALVE ASSEMBLY - A priority valve assembly includes a fluid supply line, a first fluid discharge line, and a second fluid discharge line, both of which are to be supplied with fluid via the fluid supply line. A priority valve throttles a fluid flow from the fluid supply line into the second fluid discharge line to prioritise the supply of fluid to the first fluid discharge line over the supply of fluid to the second fluid discharge line if a control parameter which is characteristic for an inlet fluid pressure (p | 07-11-2013 |
| 20130180596 | VACUUM SYSTEM - The present invention relates to a vacuum system | 07-18-2013 |
| 20130180597 | METHOD FOR DETERMINING A CHARACTERISTIC FOR A PRESSURE REGULATING VALVE - A method for determining a characteristic for a pressure regulating valve of an injection system is described, using which fuel is injected into an internal combustion engine, in which a flow of the fuel which flows through the pressure regulating valve is set to a minimum and a control pressure of the fuel is reduced until the pressure regulating valve is opened, and in which at least one value for the characteristic is formed from a difference between a value for the control pressure, at which the pressure regulating valve opens, and a reference value for the control pressure. | 07-18-2013 |
| 20130186474 | RESERVOIR PRESSURE EQUALIZATION SYSTEMS AND METHODS - Various embodiments of the present invention are directed to equalizing pressure in a reservoir containing fluidic media, possibly due to imperfect installation of the reservoir or an external influence such as an altitude or a temperature change. In various embodiments, fluidic media may be expelled from the reservoir through a needle and contained in an interior volume of a pierceable member before the needle pierces the pierceable member to establish a flow path to a user. In other embodiments, fluidic media may be expelled through a port of the reservoir into a chamber. In further embodiments, fluidic media may be expelled through a channel in a plunger head and out a passage in the reservoir when the channel and passage are aligned. In other embodiments, fluidic media may be expelled through a valve, and the valve may be pierceable by a needle to establish a flow path to the user. | 07-25-2013 |
| 20130186475 | FLUID PRESSURE CONTROL DEVICE FOR AN ANALYZER - A fluid pressure control device, including a pressurized fluid inlet, a first valve in fluid communication with the pressurized fluid inlet and controlling the flow of fluid from the pressurized fluid inlet, a first pressure measurement device detecting a fluid pressure downstream of the first valve, and a controller electrically coupled to the first valve. The first pressure measurement device causes the controller to operate the first valve such that a fluid downstream of the first valve is maintained at a substantially constant pressure. | 07-25-2013 |
| 20130186476 | GAS LASER OSCILLATOR AND GAS EXCHANGE METHOD FOR GAS LASER OSCILLATOR - The sealed gas laser oscillator that includes the airtight vessel, the laser gas supply source that supplies a laser gas to the airtight vessel, and the vacuum pump that performs evacuation until a pressure of an inside of the airtight vessel reaches a target reached pressure every predetermined interval between laser gas exchanges and is connected to the airtight vessel, and that performs laser oscillation in a state where the airtight vessel is filled with the laser gas. The gas laser oscillator includes a unit that determines the target reached pressure on the basis of the interval between laser gas exchanges, a leakage rate of an impurity gas from the outside to the airtight vessel after evacuation, and an allowable impurity gas pressure at which the gas laser oscillator is capable of being operated. | 07-25-2013 |
| 20130192683 | Overflow Protection Device For An Oil Tank Trailer - An overflow protection system for an oil tank trailer which automatically monitors and controls the level of oil within said trailer. The system comprises a float sensor, a cable assembly, a shutoff valve, a temperature sensor, and a control box. The float sensor comprises an inductive float sensor which monitors the level on the tank gauge of an existing trailer body, which provides electrical signals via the cable assembly. The cable assembly provides electronic connection between the float sensor, valve, temperature sensor, and control box. The shutoff valve is closed when the float sensor is triggered, preventing flow into and out of the tank in order to eliminate overflow spillage. The control box includes a plurality of manual user controls for operating the system as well as information displays including interior temperature and the like. | 08-01-2013 |
| 20130192684 | METHOD FOR CONTAMINATION PREVENTION IN FLUID STORAGE TANK REQUIRING TEMPERATURE CONTROL, AND DEVICE THEREFOR - A method and a plant for preventing contamination of a fluid in a fluid storage tank with a liquid cooling or heating medium is provided. In a method of controlling a temperature of a fluid in a fluid storage tank under a predetermined pressure by allowing a liquid cooling or heating medium to flow in an enclosed pressure-resistant jacket provided around the outer wall of the fluid storage tank, said method comprises allowing the cooling or heating medium to flow in the enclosed pressure-resistant jacket at a pressure not higher than the pressure x (atm) applied within the fluid storage tank, preferably lower than x (atm), whereby preventing contamination of said fluid with said cooling or heating medium. A plant for the method is also provided. | 08-01-2013 |
| 20130199620 | LIQUID STORAGE APPARATUS AND METHOD OF CONTROLLING THE PRESSURE IN THE SAME - A sulfurization facility, where the sulfurizing reaction is conducted in a wet smelting for nickel oxide ore, is improved particularly with the structural modification of its liquid storage vessels so that the consumption of a hydrogen sulfide gas used in a sulfurization step and the consumption of an alkali solution used for processing an exhaust gas can be reduced and the overall cost of operation will thus be minimized. The present invention is directed towards a liquid storage apparatus for use in the sulfurization facility for sulfurizing a sulfate solution to produce a sulfide, the apparatus comprising a plurality of liquid storage vessels ( | 08-08-2013 |
| 20130213491 | HYDROGEN INFRASTRUCTURE - A method for transporting and distributing gaseous hydrogen is described. | 08-22-2013 |
| 20130220434 | Systems And Methods For Pressure Boosting Of Liquids Of A Hydrocarbon Gas-Liquid Separator Using One Or More Pumps On Seabed - Systems and methods are described that allow for pressure boosting of liquids in a hydrocarbon gas-liquid separator disposed at seabed. The separator can include an upper section and a lower section, which are fluidly coupled via at least one conduit. A first pump can be coupled to the separator that is configured to boost the pressure level of liquid in the lower section while the separator is disposed at seabed. | 08-29-2013 |
| 20130233398 | Air Inductor for Gutter Downspout - An air induction device is provided for mounting to a downspout to induce the flow of air in the downspout. The air induction device comprises a tubular member that is sealingly fitted through the downspout such that it provides fluid communication between the atmosphere and the interior of the downspout. The air induction device is preferably mounted on an upwardly facing surface of the downspout and at a location where the downspout is extending angularly downward or at a bend in the downspout, thereby orienting the tubular member at an upwardly extending oblique angle relative to the downspout. | 09-12-2013 |
| 20130247999 | HYDRAULIC ACCUMULATOR PRE-CHARGE PRESSURE DETECTION - A system including a hydraulic accumulator, a pressure sensor, a fluid source and a data processor to detect a pre-charge pressure is provided. The hydraulic accumulator includes first and second fluid chambers and a separator therebetween. The hydraulic accumulator has an associated pre-charge pressure. The pressure sensor is connected to the first fluid chamber. The data processor is connected to the pressure sensor. The data processor is configured to determine a first and second rate of pressure changes, and a transition pressure between the first and second rates. The approximate pre-charge pressure is determined based on the transition pressure. | 09-26-2013 |
| 20130248000 | Method And Apparatus For Compressing gas In a Plurality of Stages To a Storage Tank Array Having A Plurality of Storage Tanks - A method and apparatus for compressing gases and supplying fuel to a gaseous fuel consuming device, such as a gaseous fueled vehicle or the like. One embodiment includes a gas compressor for compressing the gaseous fuel to an array of tanks having predetermined initial set points which are increasing for tanks in the array. One embodiment provides a selecting valve having first and second families of ports wherein the valve can be operated to select a plurality of ports from the first family to be fluidly connected with a plurality of ports with the second family, and such fluid connections can be changed by operation of the valve. | 09-26-2013 |
| 20130248001 | LOW PROFILE HYDRAULIC ACTUATOR - Hydraulic valve apparatuses with a low profile and without a top shaft are disclosed. Additionally, hydraulic valve apparatuses with indicator markers and side windows are disclosed. | 09-26-2013 |
| 20130248002 | SYSTEM AND METHOD OF OPERATING A SOLENOID VALVE AT MINIMUM POWER LEVELS - The inventions disclosed and taught herein are further directed to a solenoid valve configured for operation at minimum power levers comprising: a casing; a magnetic coil within the casing adapted for inducing a magnetic flux when energized; a plunger selectively actuated by the magnetic coil to operate the solenoid valve; and at least one energy storage device within the casing adapted to store energy and selectively energize the magnetic coil by applying the energy to the magnetic coil. | 09-26-2013 |
| 20130255793 | FLUID CONTROL SYSTEM AND FLUID CONTROL METHOD - A fluid control system includes a vacuum chamber, a gas supply source to supply gas as a fluid, an exhaust pipe to discharge the fluid from the vacuum chamber, a gas supply pipe to connect the vacuum chamber to the gas supply source, and a pressure sensor to detect an internal pressure of the vacuum chamber. This system further includes a flowmeter placed between the gas supply source and the vacuum chamber, a proportional valve placed between the flowmeter and the vacuum chamber, a pressure controller to control the proportional valve based on output of the pressure sensor, a metering valve placed on the exhaust pipe, and a flow controller to control the metering valve based on an output of the flowmeter. | 10-03-2013 |
| 20130284274 | METHOD AND APPARATUS FOR MONITORING AND CONTROLLING PRESSURE IN AN INFLATABLE DEVICE - A system includes a fluid controller coupled to an inflatable bladder and configured to add fluid to and remove fluid from the inflatable bladder, a control unit configured to provide information used by the fluid controller to adjust the pressurization of the inflatable bladder, the control unit including a user interface configured to display a plurality of indicia corresponding to a range of pressure levels in which the inflatable bladder is employed by a user, where each of the plurality of indicia is associated with a different level of pressure of the inflatable bladder, respectively. In one embodiment, the fluid controller is configured to adjust the pressurization, in response to a user input at the user interface, to a pressure level selected by the user based on a current pressure level of the inflatable bladder, the pressure level selected by the user and an operating time of the fluid controller. | 10-31-2013 |
| 20130284275 | VALVE ASSEMBLY - A valve assembly suitable for use as an inlet metering valve of a fuel injection system comprises an inlet opening, an outlet aperture, and a valve element arranged to control fluid flow between the inlet opening and the outlet aperture. The valve element is moveable in response to an applied control signal to a closed position and to a fully-open position, and is biased to return to a rest position when the control signal is absent. When the valve element is in the rest position, fluid flow between the inlet opening and the outlet aperture is permitted at a relatively low rate. When the valve element is in the closed position, fluid flow between the inlet opening and the outlet aperture is substantially prevented. When the valve element is in the fully-open position, fluid flow between the inlet opening and the outlet aperture is permitted at a relatively high rate. | 10-31-2013 |
| 20130299003 | Method And Device For Actuating Fluid Flow In A Microchannel - A method and device are provided for actuating fluid flow in a channel of a microfluidic device. The microfluidic device has a first and second ports communicating with the channel. The channel is filled with a fluid and oscillatory movement of the fluid in the channel is generated in response to movement of an actuator between a first retracted position and a second extended position. | 11-14-2013 |
| 20130306161 | SYSTEM AND METHOD FOR A PRESSURE SIGNAL LINEARIZATION TRANSFER FUNCTION - A method for operating a pneumatic lumbar support between a deflated position and an inflated position. The method includes inflating a bladder of the pneumatic lumbar support; sensing a pressure within the bladder using a pressure sensor; producing an inflation output signal from the pressure sensor, wherein the inflation output signal is a function of time; and converting the inflation output signal using an inflation-deflation transfer function. | 11-21-2013 |
| 20130312837 | Electric Motor Actuated Stop and Self-Closing Check Valve - An electric motor actuated stop/check valve for industrial use such as liquid pumping systems which has a controlled opening and closing rate when liquid flow is in a forward direction but closes quickly upon reverse flow of liquid with no action from the electric motor actuator. Actuation of the valve is by an electric motor which provides movement to an actuator rod which contacts the disc stem. The disc stem and the actuator rod are not connected which allows the valve disc and disc stem free movement. No action by the electric motor is required. A spring biasing the valve disc toward the closed position and a hydraulically operated valve closing-speed regulator reduces or eliminates slamming of the valve disc against the valve seat. In a preferred method of operation liquid surge pressure transients are reduced or eliminated and slamming of valve components is prevented. | 11-28-2013 |
| 20130312838 | Component of a Fuel System, Fuel System and Method for Operating the Same - A component of a fuel system includes a fuel cap having a head portion connected to a neck portion. The head portion defines: a fluid pressure relief conduit and a relief valve passage that extends into and through the head portion that terminates at a valve head opening formed by an inner surface of the head portion. The inner surface of the head portion and the inner surface of the neck portion cooperate to form a fuel cap cavity. The fluid cap cavity is fluidly-connected to the fluid pressure relief conduit by way of the valve head opening formed by the inner surface of the head portion. A relief valve is movably arranged within the relief valve passage for permitting selective fluid communication of the fuel cap cavity with the fluid pressure relief conduit. A locking apparatus is arranged within the fuel cap cavity. | 11-28-2013 |
| 20130327411 | REFRIGERATOR HAVING AIR PRESSURE CONTROLLABLE STORAGE CONTAINER AND STORAGE METHOD THEREOF - A refrigerator having an air pressure controllable storage container is allowed to control air pressure of the storage container to be temporarily lower than initial air pressure by turning on and off a vacuum pump. The vacuum pump sucks internal air of the storage container, and a controller turns on the vacuum pump such that internal air pressure of the storage container is lower than the initial air pressure, and turns off the vacuum pump such that the internal air pressure is restored to the initial air pressure. | 12-12-2013 |
| 20140026973 | Dispensing Machine Valve and Method - A one-way valve is connectable in fluid communication with a fluid-receiving chamber, such as a dilution chamber or a mixing chamber for diluting or mixing a perishable food product, such as a milk product or chocolate product, and forming a substantially fluid-tight seal therebetween. The valve comprises a relatively rigid valve seat, and a relatively flexible valve member overlying the valve seat and forming an axially-elongated, normally-closed valve opening therebetween defining an inlet at one end of the valve seat, an outlet at an opposite end of the valve seat, and an axially-extending seal therebetween that forms a fluid-tight seal between the inlet and outlet of the normally-closed valve opening. An axially-extending valve body is radially spaced relative to the valve member and forms a space therebetween allowing fluid-flow therethrough for cleaning the valve and the fluid-receiving chamber. A seal is engageable with the fluid-receiving chamber and forms a substantially fluid-tight seal therebetween to seal the valve outlet and fluid-receiving chamber with respect to ambient atmosphere. The valve member is movable radially away from the valve seat in response to substance at the inlet to the valve opening exceeding a valve opening pressure to flow into the normally closed valve opening, through the outlet, and into the fluid-receiving chamber. | 01-30-2014 |
| 20140034142 | METHOD AND DEVICE FOR CONTROLLING THE PRESSURE IN A HYDROGEN TANK - Method for controlling the pressure in a transportable cryogenic tank ( | 02-06-2014 |
| 20140034143 | Hydraulic Fluid Compositions - An aqueous hydraulic fluid composition comprising a first lubricant comprising at least one phospholipid and a second lubricant comprising an alkoxylate salt. The aqueous hydraulic fluid composition contains less than about 20% by weight (preferably none or substantially none) of an oil selected from the group consisting of mineral oils, synthetic hydrocarbon oils, and mixtures thereof. The use of alkoxylate salts provides increased lubricity and also acts as an emulsion stabilizer for the composition. | 02-06-2014 |
| 20140048143 | FLUID EXCHANGER DEVICES, PRESSURE EXCHANGERS, AND RELATED METHODS - Exchanger devices include a plurality of fixed exchange ducts and a rotating valve assembly for directing flow to and from the plurality of exchange ducts. Methods of exchanging pressure between fluid streams may include directing fluids through an exchange device and pressurizing a fluid in the plurality of exchange ducts of the exchanger device. | 02-20-2014 |
| 20140048144 | Dispensing Carbonated Beverages from a Closed Package - A mechanism to dispense a carbonated beverage from a closed package may include reducing a pressure of a gas from a cartridge using one or more pressure regulators coupled to the cartridge. Further, the flow rate of the gas having the reduced pressure may be regulated using a flow regulator coupled to the one or more pressure regulators. The flow regulator may be coupled to a dispensing head comprising a sequential arrangement of a snifting valve and a dispensing valve. Using the sequential arrangement, the gas whose flow rate is regulated may be released into the closed package to dispense a carbonated beverage in the closed container at a controlled rate to minimize a foaming. | 02-20-2014 |
| 20140053915 | METHOD AND DEVICE FOR REFILLING AND CHECKING THE LEAK-TIGHTNESS OF A FUEL INJECTOR - A method for refilling an emptied hydraulic coupler of a fuel injector comprises the steps of: connecting a pressure generator to a return line of the fuel injector; operating the pressure generator in order to generate a return pressure in the return line; operating the fuel injector. The method can also include the step of monitoring the pressure level in the return line. | 02-27-2014 |
| 20140076411 | APPARATUS AND METHODS FOR EVACUATING AIR FROM A CLOSED AREA - Apparatus and methods for generating a partial vacuum in a cavity are disclosed. In one method, a suction unit is disposed on a surface and includes a plurality of embedded suction generation devices that suction gas therethrough. The suction generating devices are powered-on to form a cavity defined by at least the surface and the suction unit and gas is evacuated from the cavity to generate the partial vacuum. | 03-20-2014 |
| 20140096837 | GAS SUPPLY SHOCK ABSORBER FOR DATACENTER POWER GENERATION - Gas supply pressure spikes are absorbed and leveled-out by a gas supply shock absorber comprising gas storage, which is charged during positive pressure spikes and utilized during negative pressure spikes. The gas supply shock absorber also comprises pressure sensing and regulating valves, which direct positive pressure spikes to the gas storage and draw gas from storage during negative pressure spikes. A backflow preventer limits shock absorption to co-located equipment, but gas supply shock absorbers operate in aggregate to create additional demand during positive pressure spikes and reduced demand during negative pressure spikes. If the gas storage has sufficient gas, a co-located data center utilizes such gas for increased electrical power generation during increased processing activity, which can be requested or generated. Conversely, if the gas storage has insufficient gas, and a negative pressure spike occurs, the data center throttles down or offloads processing. | 04-10-2014 |
| 20140124038 | Reactor cell isolation using differential pressure in a combinatorial reactor - Methods for combinatorially processing semiconductor substrates are provided. The methods may involve receiving a substrate into a combinatorial processing chamber and sealing a plurality of flow cells against a surface of the substrate. The plurality of flow cells is enclosed within the combinatorial processing chamber to define an enclosed external environment for the plurality of flow cells. A pressure differential is created between a reaction area of the plurality of flow cells of the combinatorial processing chamber and the external environment, wherein each flow cells of the plurality of flow cells defines a site isolating region of die substrate. The regions the substrate are then combinatorially processed. | 05-08-2014 |
| 20140124039 | PRESSURE STORAGE SYSTEM AND METHOD TO OPERATE PRESSURE STORAGE SYSTEM - A pressure accumulator system, and a method of operating a pressure accumulator system. The method includes operatively connecting a tank neck to at least two pressure accumulator vessels having different admissible operating pressures, in which at least one of the pressure accumulator vessels has an admissible operating pressure lower than a maximum applicable pressure at the tank neck, simultaneously filling via the tank neck the at least two pressure accumulator vessels with a fluid medium, and preventing an inadmissible pressure rise in the pressure accumulator vessels with the lower admissible operating pressure during the simultaneous filling. | 05-08-2014 |
| 20140150889 | COLLAPSIBLE HOSES AND PRESSURE SYSTEMS - An extendible and collapsible pressure hose system can be created which comprises a collapsible pressure hose with a hose output connector mounted on one end and a fluid control system mounted on the other. In such a system, the collapsible pressure hose can, but need not comprise a coiled support wire, a convoluted hose body and/or an outer reinforcement cover. A fluid control system can comprise an input connector attached to hose, input connector housing, a main valve, and a pump. In such a fluid control system, the main valve can direct fluid within hose in three modes: 1) an open mode, where fluid pressure extends hose for use, 2) a retract mode, where the pump is used to pump fluid out of the hose, and 3) a closed mode, where no fluid can flow and in which the hose can be stowed. | 06-05-2014 |
| 20140158214 | AUTOMATED VACUUM ASSISTED VALVE PRIMING SYSTEM AND METHODS OF USE - Automated systems and methods for priming a fluid chamber of a fluid dispensing valve with fluid from a fluid material source that includes a vacuum source, a valve priming station, a vacuum switch, and a controller. The valve priming station has a boot, a vacuum chamber, and a vacuum channel in the boot. The vacuum channel connects with the vacuum source via the vacuum chamber. The boot sealingly engages a valve nozzle of the fluid dispensing valve so that the vacuum chamber connects the vacuum source with the fluid chamber. The vacuum switch couples with the vacuum channel via the vacuum chamber and has an opened and closed position based upon a vacuum level in the vacuum chamber. The controller is electrically connected with the vacuum source and vacuum switch and controls priming of the fluid dispensing valve based upon whether the vacuum switch is opened or closed. | 06-12-2014 |
| 20140166116 | CHARGING DEVICE FOR SHAFT FURNACE WITH CONTROLLER FOR CLEAN GAS FED TO ITS MAIN CASING - A charging device for a shaft furnace comprises a main casing and at least one nozzle for introducing a clean gas into the casing. According to an important aspect of the invention, a controller is configured to adapt the supply (the flow rate) or pressure of clean gas in the main casing based on charging status information. | 06-19-2014 |
| 20140166117 | SPLIT RANGE CONTROL FOR PRESSURIZATION - The invention aims at pressurising a volume ( | 06-19-2014 |
| 20140174552 | SUBSEA PRESSURE REGULATOR - A pressure regulator includes a regulator body, and a piston slidably disposed in the regulator body, wherein an end of the piston extends axially beyond an end of the regulator body and is exposed to an external pressure. A method of regulating pressure includes providing a pressure regulator having a piston slidably disposed in a regulator body, wherein an end of the piston extends beyond an end of the regulator body and is exposed to an external pressure, applying external pressure on the end of the piston, and outputting a regulated working fluid pressure from the pressure regulator. | 06-26-2014 |
| 20140182696 | DAMPING VALVE ARRANGEMENT FOR A SEMIACTIVE VIBRATION DAMPER - A damping valve arrangement is provided for controlling a pilot pressure that exerts influence on a control chamber of a damping device of a vibration damper through a control fluid, with an armature that is displaceable by the activity of an electrically energizable coil and provided in a housing, which armature includes a guide pin on which a first spring washer is provided and braces the guide pin. The first spring washer is designed for changing the area of a flow-through opening of the damping valve arrangement through which a control fluid is able to flow. | 07-03-2014 |
| 20140190573 | System and Method for Generating a Change in Pressure Proportional to Fluid Viscocity - This disclosure relates to a system and method for generating a change in pressure proportional to fluid viscosity. In particular, the disclosure discusses a viscosity dependent pressure differential system. The system can comprise a first pilot stream, a second pilot stream, and a pressure sensing device that reads a differential pressure across a first junction on the first pilot stream and a second junction on the second pilot stream. The first junction is between a first section having a first predominant pressure loss characteristic, and a second section having a second predominant pressure loss characteristic. Similarly, the second junction can be between a third section having a third predominant pressure loss characteristic and a fourth section having a fourth pressure loss characteristic. | 07-10-2014 |
| 20140230914 | IN-LINE FLUID STORAGE TANK SYSTEM - A fluid system can selectively include an in-line storage tank. The fluid system includes a valve switch system connected to the storage tank. The valve switch system routes fluid from a supply to an intake interface of a consumer premises. The valve switch system is operable to route the fluid in one of multiple different ways. The multiple different ways can include: routing from the supply to the intake interface through the in-line storage tank when the supply provides a pressurized flow of fluid, routing from the supply to the intake interface bypassing the storage tank when the supply provides a pressurized flow of fluid, or routing from the storage tank to the intake interface when the supply provides no or low flow of fluid. When routing from the storage tank, the valve switch system can pressurize the storage tank. | 08-21-2014 |
| 20140251442 | DEVICE AND METHOD FOR REDUCING THE PRESSURE OF A FLUID CONTAINING GRANULES - A device and a method for reducing the pressure of a fluid containing granules. The device comprises a free space devoid of moving rotor blades and a housing with an inlet and an outlet. The shape of the wall within the housing and of the free space therein applies a centripetal flow component to the fluid containing the granules flowing therethrough. The pressure of the fluid containing the granules is decreased after the flow has passed through the device. The device and method further and impart a rotational motion to the fluid containing the granules in the area of the outlet, which is generally located in the central area of the free space. | 09-11-2014 |
| 20140261722 | Auxiliary Mobile Power System - The present disclosure is directed to a hydraulic vehicle power system. The auxiliary mobile power system may be configured to supply power to at least one auxiliary function and a primary hydraulic system for a vehicle. The auxiliary mobile power system may include a hydraulic pump configured to provide hydraulic pressure to the at least one auxiliary function and the vehicle's primary hydraulic system. The auxiliary mobile power system may also include a control valve connected to the hydraulic pump. The control valve may be configured to control the hydraulic pressure to the at least one auxiliary function and the primary hydraulic system for the vehicle. | 09-18-2014 |
| 20140261723 | BIDIRECTIONAL FLUID FLOW VALVE AND METHOD - The present disclosure relates to a bidirectional valve design that provides for more rapid deflations/evacuation of fluid flow and in one example includes a valve body, a spindle piston movably coupled in a bore of the valve body and an electronically controllable motor that moves the spindle valve between a fluid evacuation position and a fluid fill position. In one example, the spindle piston includes piston structures on ends of a threaded rod. In another example, a mattress system is disclosed that employs the valve and a fluid source to provide quick evacuation of air from a patient support. In another example, the valve is coupled to an alternating pressure block valve which is then coupled to a patient support. | 09-18-2014 |
| 20140283920 | TANK PROVIDED WITH AN OVER-PRESSURE VALVE | 09-25-2014 |
| 20140290752 | PROCESSING METHOD AND PROCESSING APPARATUS - A processing method is provided in which an object to be processed is processed within a processing container connected to a gas supply system, an exhaust system and an opening degree variable valve by using a processing gas in a plurality of sequential processing steps. The processing method includes: an acquisition process for acquiring an opening degree of the opening degree variable valve corresponding to a target pressure value within the processing container under a predetermined processing condition for at least one of the plurality of sequential processing steps; and an execution process for executing the at least one of the plurality of sequential processing steps for which the opening degree has been acquired by the acquisition process with the opening degree. | 10-02-2014 |
| 20140290753 | SUBSEA MODULE PRESSURE CONTROL - A method of controlling fluid pressure in a closed system including using a pressure regulating unit connected to the system, the unit including a first conduit fluidly connecting the closed system to an external system. A first regulating valve is interposed between the external system and one end of the conduit and a second regulating valve interposed between the closed system and the other end of the conduit. The method further includes: a) opening one of the first or second regulating valves; b) closing said one regulating valve; c) opening the other regulating valve; d) closing the other regulating valve; and e) repeating steps a) to d) in turn until the desired fluid pressure is achieved in the system. | 10-02-2014 |
| 20140299197 | METHOD OF CONTROLLING PROPORTIONAL MOTION CONTROL VALVE - A proportional motion control valve includes an electro-mechanical actuator that provides an infinitely controlled pressure setting in response to an electric signal applied to the electro-mechanical actuator. In another aspect, a proportional motion control valve includes a pilot-operated valve disposed intermediately with respect to a cage and a valve body to fluidly isolate an internal cavity of the valve body from a bore of the cage. The pilot-operated valve is subjected to a hydraulic opening force of pilot fluid that is present in the bore of the cage. A spring is disposed within the internal cavity of the valve body and arranged to subject the pilot-operated valve to a closing spring force. | 10-09-2014 |
| 20140311581 | PRESSURE CONTROLLER CONFIGURATION FOR SEMICONDUCTOR PROCESSING APPLICATIONS - An exemplary semiconductor processing system may include a processing chamber and a first pressure regulating device coupled with the processing chamber. A second pressure regulating device may also be coupled with the processing chamber separate from the first pressure regulating device. A first pump may be fluidly coupled with the first pressure regulating device and fluidly isolated from the second pressure regulating device. A second fluid pump may be fluidly coupled with the second pressure regulating device. | 10-23-2014 |
| 20140318636 | METHOD AND A SYSTEM FOR DRAIN LIQUID COLLECTION AND EVACUATION IN A SUBSEA COMPRESSION SYSTEM - A method for drain liquid collection and evacuation in a subsea compression system using a compressor, wherein an external drainage tank is arranged in direct flow communication with the compressor sump via a sump evacuation valve, the tank is set under compressor discharge pressure via a tank pressurizing line arranged to connect the tank to a compressor discharge flow upstream of a throttle valve, a tank evacuation line is arranged to connect the tank to the compressor discharge downstream of the throttle valve, drain liquid evacuation is accomplished through generation, by adjusting the throttle valve, of a flow restriction in the compressor discharge. The tank is set under compressor discharge pressure by opening of the pressure valve and the drain liquid flow is permitted into a reduced compressor discharge pressure downstream the throttle valve by opening an evacuation valve in the evacuation line. | 10-30-2014 |
| 20140326325 | SYSTEM AND METHOD FOR FILLING REDUCTANT TANK - A method for filling a reductant tank is disclosed. The method includes creating a lower air pressure within the reductant tank than a pressure of an external reductant reservoir using the first valve, the second valve, and the venturi. The method also includes determining a level of a reductant in the reductant tank. The method further includes engaging the tank fill coupling mechanism with the external reductant reservoir. The method includes supplying the reductant from the external reductant reservoir into the reductant tank based on a pressure difference between the air pressure within the reductant tank and the pressure of the external reductant reservoir. The method also includes shutting-off the supply of the reductant based, at least in part, on the level of the reductant in the reductant tank. The method further includes disengaging the tank fill coupling mechanism from the external reductant reservoir. | 11-06-2014 |
| 20140332088 | METHOD AND APPARATUS FOR MONITORING A NETWORK OF CONDUITS - Apparatus for a network of conduits distributing liquid that is coupled to a supply of liquid and to a network. At least one sensor is coupled in fluid communication with the network and derives a level of demand of liquid from the network. At least one valve is coupled in fluid communication with the supply of liquid and with the network to control the flow of liquid to the network. A control unit is coupled to the sensor and to the valve, to command operation of the valve, and in absence of demand of liquid, to maintain a reduced pressure of liquid in the network relative to the supply pressure. The apparatus has a reservoir that accumulates liquid and releases liquid in response to, respectively, a rise and a drop of pressure of liquid in the network, whereby reduction of pressure by release of liquid is avoided. | 11-13-2014 |
| 20140338755 | Air Cannon Assembly Having an Automated Blast Guard Valve - An air cannon has a pressure vessel, a discharge valve, and a discharge tube assembly. The discharge tube assembly comprises a fluid passageway and a blast guard valve. The discharge valve is capable of opening and closing and allows pressurized gas to be discharged from the pressure vessel into the fluid passageway of the discharge tube assembly only when open. The blast guard valve is capable of opening and closing and obstructs the fluid passageway of the discharge tube assembly when closed. The blast guard valve allows gas to pass through the fluid passageway when open. The discharge valve and the blast guard valve are operatively connected to each other in a manner such that the discharge valve can open only when the blast guard valve is open. | 11-20-2014 |
| 20140345701 | ELECTROHYDRAULIC PILOT CONTROL WITH TWO PRESSURE CONTROL VALVES - Electrohydraulic pilot control means ( | 11-27-2014 |
| 20140352793 | WET CONNECTION SYSTEM, DOWNHOLE SYSTEM USING WET CONNECTION SYSTEM, AND METHOD THEREOF - A wet connection system including a first connector configured to connect to a first control line. The first connector including at least one first pathway arranged to fluidly communicate with the first control line, and a biased movable plug movable within the first connector; and, a second connector configured to connect to a second control line. The second connector including a second pathway in fluid communication with the second control line and a biased sleeve movable within the second connector; wherein the first and second connectors are each pressure balanced to prevent internal control line pressure. External borehole pressures from moving the plug and sleeve from their biased positions blocking the respective first and second pathways in the disconnected condition of the wet connection system. Mating of the first connector with the second connector moves the movable plug and the sleeve against their bias to fluidically couple the first and second pathways in a connected condition of the wet connection system. Also included is a method of pressure balancing a hydraulic wet connection system in a downhole environment. | 12-04-2014 |
| 20140352794 | LASER NOZZLE COMPRISING AN ELEMENT MOVABLE IN A GAS LAYER - The invention relates to a device for dispensing one or more jets of cryogenic fluid comprising a fluid supply pipe supplying one or more fluid-dispensing nozzles arranged downstream of said pipe, in which the fluid flow section of the fluid supply pipe has a first diameter. According to the invention, the device for dispensing one or more jets of cryogenic fluid also comprises at least one plenum chamber which is arranged between the fluid supply pipe and the fluid-dispensing nozzle(s) and which is fluidly connected to both the pipe and the nozzle(s). The fluid flow section of each plenum chamber has a second diameter greater than the first diameter of the fluid flow section of the fluid supply pipe. | 12-04-2014 |
| 20140366951 | METHOD FOR CONTROLLING LOWERING OF AN IMPLEMENT OF A WORKING MACHINE - A method for controlling lowering of an implement of a working machine is provided. The working machine has a hydraulic system including a hydraulic cylinder for moving the implement and a first control valve for controlling the flow of hydraulic fluid from the piston side of the hydraulic cylinder, and a recovery unit connected to the control valve for recovering energy by receiving a return flow from the piston side of the hydraulic cylinder. The piston side of the hydraulic cylinder and the control valve are connected to each other, and the piston rod side of the hydraulic cylinder is connected to the control valve and to the recovery unit in a point between the control valve and the recovery unit. The method includes identifying a requested lowering speed of the implement, and identifying a desired pressure at the piston side of the hydraulic cylinder and controlling the recovery unit to provide a counter pressure resulting in the desired pressure at the piston side of the hydraulic cylinder, and enabling fluid communication between the piston side of the hydraulic cylinder and the recovery unit, and between the piston side of the hydraulic cylinder and the piston rod side of the hydraulic cylinder, via the control valve, and controlling the control valve in such a way that the flow through the control valve corresponds to the requested lowering speed of the implement. | 12-18-2014 |
| 20140366952 | METHOD AND APPARATUS FOR GAS FLOW CONTROL - A method and apparatus for self-calibrating control of gas flow. The gas flow rate is initially set by controlling, to a high degree of precision, the amount of opening of a flow restriction, where the design of the apparatus containing the flow restriction lends itself to achieving high precision. The gas flow rate is then measured by a pressure rate-of-drop upstream of the flow restriction, and the amount of flow restriction opening is adjusted, if need be, to obtain exactly the desired flow. | 12-18-2014 |
| 20150007894 | OVERPRESSURE ABSORPTION MECHANISM FOR FLUID BED PROCESSORS - An overpressure absorption mechanism is provided for a fluid bed processor. The mechanism includes spring assemblies mounted in the legs of the processor. The arms of the lower housing section extend into the legs and are supported on the springs. If an overpressure condition arises within the processor, the springs compress to allow movement between the housing sections to allow engagement of clamping rings which contain the over pressure condition. | 01-08-2015 |
| 20150013776 | Regulating Valve - A regulating valve includes a regulating-valve-high-pressure connector, a regulating-valve-low-pressure connector, and a regulating-valve-pressure-reducing device. The regulating-valve-pressure-reducing device includes a regulating-valve-high-pressure chamber coupled to the regulating-valve-high-pressure connector, a regulating-valve-low-pressure chamber coupled to the regulating-valve-low-pressure connector, and a regulating-valve-high-pressure regulator coupled to the regulating-valve-high-pressure chamber and the regulating-valve-low-pressure chamber to maintain the regulating-valve-low-pressure chamber at a constant pressure. The regulating valve further includes a pressure gauge coupled to the regulating-valve-low-pressure chamber. | 01-15-2015 |
| 20150020891 | CHAMBER PRESSURE CONTROL APPARATUS FOR CHEMICAL VAPOR DEPOSITION SYSTEMS - In one embodiment, a pressure control assembly includes a cylindrical hollow body having an opening to receive a ballast gas, a first and second flange, and a first and second cone. The first flange is coupled to a first end of the body, and a second flange is coupled to an opposing end of the body. The first cone is coupled to the first flange, and the second cone is coupled to the second flange. A method for controlling pressure in a chamber includes measuring a pressure of the chamber and a pressure of an exhaust system coupled to the chamber. The method includes dynamically adjusting the pressure in the exhaust system in order to adjust the pressure in the chamber, by creating a first pressure drop that is greater than a second pressure drop in the exhaust system. | 01-22-2015 |
| 20150027556 | Urea Injection Systems Wash Cycles - Urea injection system wash cycle methods and systems are disclosed. An exemplary wash cycle method includes operating a urea injection system to provide urea solution to a first inlet of a blending chamber, provide pressurized gas to a second inlet of the blending chamber, and output a combined flow of pressurized gas and urea solution from the blending chamber. A pressure of the combined flow at a location downstream from the first inlet and the second inlet is monitored. A wash cycle is performed based upon the monitored pressure wherein the flow of pressurized gas is turned off and urea solution is provided to the blending chamber. An exemplary system includes a controller configured to control a urea injection system to perform a wash cycle in accordance with the exemplary method. | 01-29-2015 |
| 20150027557 | ELECTRONICALLY CONTROLLED PRESSURE RELIEF VALVE - A pressure relief comprises a valve body which includes an inlet bore that is connectable to a flow line, an outlet bore that is connectable to a vent line and a valve bore that extends to between the inlet and outlet bores. A valve member is slidably supported in the valve bore and is moveable between a closed position in which the fluid in the flow line is prevented from flowing from the inlet bore to the outlet bore and an open position in which the fluid in the flow line is permitted to flow from the inlet bore to the outlet bore. A solenoid operated pilot valve is connected to the valve body over the valve bore, and a fluid chamber is located in the pilot valve above the valve member. The fluid chamber is filled with a hydraulic fluid, and the hydraulic fluid in the fluid chamber is operatively engaged with the valve member. In a closed position of the pilot valve the hydraulic fluid is trapped in the fluid chamber to thereby prevent the valve member from moving from its closed position to its open position, and in an open position of the pilot valve the hydraulic fluid is released from the fluid chamber to thereby allow the valve member to move from its dosed position to its open position. | 01-29-2015 |
| 20150034168 | LIMITING A RATE OF PRESSURIZATION IN A PRESSURIZED FLOW SYSTEM HAVING A CONFIGURABLE SYSTEM VOLUME - Exemplary embodiments of the present disclosure are directed to limiting a rate or pressurization in a reconfigurable pressurized flow system for which different system configurations can have different system volumes. In exemplary embodiments, the system can determine a limit for the rate of pressurization by configuring the system for a closed system rate of pressurization, measuring the closed system rate of pressurization at a set flow rate, and determining a relationship between the closed system rate of pressurization and the flow rate. The system can use the relationship to dynamically set the limit for different flow rates in the system. | 02-05-2015 |
| 20150034169 | Heated Inflation System - A system and method for inflating an inflatable device is disclosed. The system includes an inflation cylinder configured to hold a gas mixture under pressure, a heating element configured to selectively heat the gas mixture and a temperature sensor configured to measure a temperature of the gas mixture. A control module is coupled to the heating element and the temperature sensor. The the control module controls heating of the gas mixture based on the measured temperature, a mass of the gas mixture and a volume of the inflation cylinder. | 02-05-2015 |
| 20150040992 | DEVICE CAPABLE OF PRESSURIZATION AND ASSOCIATED SYSTEMS AND METHODS - Exemplary embodiments are directed to devices, methods and systems capable of pressurization, generally involving a flow system that includes a pressurized reservoir, at least one pump including a pump control valve, an outlet port, a shut-off valve and a vent valve. The flow system is configured to be pressurized. The shut-off valve is disposed between the pressurized reservoir and the at least one pump. The vent valve is disposed between the at least one pump and the outlet port. The shut-off valve, the vent valve and the pump control valve of the at least one pump are configured to actuate in a coordinated manner to control a pressurization of the flow system. Exemplary embodiments are further directed to devices, methods and systems for column switching, generally including at least a first column, a second column and a column switching valve. | 02-12-2015 |
| 20150040993 | NON-ELECTRONIC METHODS AND APPARATUS FOR DETECTING WASH PUMP CAVITATION IN A DISHWASHER - A method for operating a dishwasher system, including monitoring an output pressure of at least one recirculation pump in the dishwasher system, and deactivating at least one fill valve in the dishwasher system when the output pressure satisfies at least one predefined criteria | 02-12-2015 |
| 20150053272 | PRESSURE STABILIZATION METHOD - The pressure of a water supply of a cooling section of a metal processing line is stabilized by supplying the cooling section with water from a water reservoir by a pipeline which is filled with water and providing a pressure container partly filled with air and partly with water. A direct connection is provided for a direct exchange of water between the pressure container and the pipeline. Water is pressed out of the pressure container directly into the pipeline through the provided connection in the event that the water pressure in the pipeline drops. | 02-26-2015 |
| 20150053273 | METHOD OF PUMPING FLUID, PULSE GENERATOR FOR USE IN THE METHOD, AND PUMP SYSTEM COMPRISING THE PULSE GENERATOR - Method of pumping fluid through a tubing ( | 02-26-2015 |
| 20150053274 | PRESSURE RELIEF DETECTION FOR USE WITH GAS STORAGE - The present disclosure is directed to a method and system for detecting activation of a pressure relief device connected to a storage tank containing a pressurized gas. The method includes calculating a pressure relief device release rate based on a set of inputs, wherein the set of inputs includes at least one of a storage tank volume, a pressure relief set point, an orifice size of the pressure relief device, a gas density, and a reseat point for the pressure relief device. The method further includes monitoring the pressure within the storage tank and calculating a differential pressure reading over time, comparing the differential pressure reading over time to the pressure relief device release rate, and detecting a pressure relief device activation based on the comparison result. | 02-26-2015 |
| 20150059860 | METHOD TO STABILIZE PRESSURE IN AN ELECTRO-HYDRAULICALLY CONTROLLED BRAKE CHARGE SYSTEM - A method to stabilize pressure in an electro-hydraulically controlled brake charge system is provided. The brake charge system includes a load-sensing pump, an accumulator, a sensor, a high pressure cut-off valve, a controller, and a charge supply valve. The method includes determination of a pre-determined cut-out pressure and a pre-determined time threshold. The accumulator is pressurized with the fluid from the load-sensing pump. As accumulator pressure becomes equal to the pre-determined cut-out pressure, the controller initiates a counter-timer. When the counter-timer reaches the pre-determined time threshold, an electronic solenoid is activated, flow of the fluid is thus controlled through the charge supply valve based on a signal from the electronic solenoid. | 03-05-2015 |
| 20150075633 | VALVE AND METHOD OF RELIEVING OVERPRESSURE IN A FLUID SUPPLY SYSTEM - A valve is provided. The valve includes a housing including an interior and a side wall at least partially delimiting the interior, a valve element within the interior of the housing and configured to be selectively operable between an open position and a closed position. The valve element includes an interior and a side wall at least partially delimiting the interior of the valve element. The valve also includes a series of pressure relief devices within the side walls of the housing and the valve element. The series of pressure relief devices include at least one check valve and are configured to provide flow communication from the interior of the housing to exterior of the housing upon actuation of the at least one check valve. | 03-19-2015 |
| 20150075634 | HYDROMECHANICAL PRESSURE COMPENSATION CONTROL OF A VARIABLE DISPLACEMENT PUMP IN A CENTRIFUGAL PUMPING AND METERING SYSTEM AND ASSOCIATED METHOD - A pump assembly includes a pump unit having a centrifugal pump and a variable pump supplying pressurized flow. A fuel control assembly receives flow from the pump unit and includes at least one metering valve and at least one throttling valve. A control for the variable pump receives first and second pressure signals indicative of a pressure differential across the throttling valve, or across the metering valve/throttling valve combination, for altering operation of the variable pump in response to the pressure differential. | 03-19-2015 |
| 20150075635 | FLUID PRESSURE REGULATION SYSTEM FOR FLUID-DISPENSING SYSTEMS - A system actively regulates the fluid pressure entering the pump of a fluid-dispensing system to provide a more uniform fluid flow exiting the pump. The pump is supplied with fluid from a pressurized reservoir (e.g., that is pressurized from an external air source, or by mechanical or electrically-driven pressurization). A pressure sensor monitors the fluid pressure in the fluid supply line between the reservoir and pump. A controller receives this fluid pressure reading as an input to regulate the pressurization of the reservoir. Optionally, a second pressure sensor can be used to monitor the fluid pressure at the pump exit to provide an additional input for the controller. | 03-19-2015 |
| 20150101674 | SUBSEA PRESSURE REGULATOR - A pressure regulator having an outlet port, an inlet port, and a vent port, and a regulator piston having an internal passage in constant fluid communication with the outlet port. The regulator piston has a first position where the passage is in fluid communication with the inlet port and not the vent port, a second position where the passage is not in fluid communication with either the inlet port or the vent port, and a third position where the passage is in fluid communication with the vent port and not the inlet port. The pressure regulator also has a spring piston in mechanical communication with the regulator piston that is biased to exert a force on the regulator piston sufficient to move the regulator piston between the first, second, and third positions. The spring piston is enclosed in a spring housing with an internal area maintained at about atmospheric pressure. | 04-16-2015 |
| 20150114478 | Bursting Relief valve - The invention provides a method, apparatus and system capable of releasing excess pressure above a predetermined point by opening and closing repeatedly through the actuation of a moving element. The said moving element is capable of bursting in case of a rise in pressure above a secondary predetermined point. The invention hence provides a way to regulate the pressure in two different manners depending on the severity of the overpressure. | 04-30-2015 |
| 20150114479 | REGULATING DEVICE - A regulating device may include a housing that defines an inlet chamber and an outlet chamber, with a flow restriction seat between the inlet chamber and the outlet chamber. A flow restriction valve is movable relative to the flow restriction seat to adjust the flow between the inlet chamber and the outlet chamber of the regulating device. A servo valve having a servo chamber may be used to adjust the position of the flow restriction valve. The servo chamber may be fluidly coupled to the inlet chamber though a fixed flow restriction and to the outlet chamber though an adjustable flow restriction. A stepper motor may be used to adjust the servo valve to adjust the adjustable flow restriction between the servo chamber and the outlet chamber. This causes a change of the servo pressure, which moves the flow restriction valve and adjusts the flow of the regulating device. | 04-30-2015 |
| 20150114480 | Volumetric Metering Unit - Method and device for metering a medium from at least one storage tank by a metering device, which has a piston pump, which defines a working chamber with a cylinder and a piston, wherein in a first method step a determined filling quantity of a medium is conveyed via an inlet valve into the working chamber and the determined filling quantity is greater than the quantity to be metered and, in a second method step, the piston reduces the working chamber in size enough that only the quantity to be metered remains, wherein the excess medium flows out of the working chamber, wherein the excess medium flows via the inlet valve back into a ring line, which is connected in a medium-conducting manner to the storage tank and is arranged outside the working chamber. | 04-30-2015 |
| 20150129044 | MECHANISMS FOR PROCESSING WAFER - Embodiments of mechanisms for processing a wafer are provided. A method for processing a wafer includes creating an exhaust flow in a fluid conduit assembly that is connected to a process module used for processing the wafer. The method also includes detecting the exhaust pressure in the fluid conduit assembly. The method further includes determining whether the exhaust pressure meets a set point. In addition, the method includes regulating the exhaust flow if the exhaust pressure fails to meet the set point. | 05-14-2015 |
| 20150292525 | Servo Valve - A servo valve includes a valve housing, a piston cylinder disposed in the housing, a piston disposed within the piston cylinder and fluidly connected on a first end to a first fluid pressure pathway and on a second end to a second fluid pressure pathway, a flapper assembly, and a flow control element disposed in the piston cylinder in a portion of the first fluid pressure pathway. The piston is configured to translate axially within the piston cylinder in response to a pressure differential between the first fluid pressure pathway and the second fluid pressure pathway. The fluid flow control element is configured to stop a flow of fluid through the first fluid pressure pathway when the piston engages the third fluid control element. | 10-15-2015 |
| 20150306953 | SYSTEMS AND METHODS FOR AN EXTERNALLY ACCESSIBLE REFUELING REQUEST SWITCH - A method for a vehicle, comprising: depressurizing a fuel tank while restricting access to a fuel fill line responsive to receiving a refueling request from a refueling request module located external to a vehicle cabin; and allowing access to the fuel fill line responsive to the fuel tank pressure decreasing below a threshold. In this way, all of the steps of a refueling procedure can be carried out entirely outside of a vehicle. | 10-29-2015 |
| 20150323135 | Rapidly Modulated Hydraulic Supply for a Robotic Device - A rapidly modulated hydraulic supply is disclosed. The rapidly modulated hydraulic supply can include a chamber for receiving fluid. The rapidly modulated hydraulic supply can also include a displacement member operable to displace the fluid from the chamber. In addition, the rapidly modulated hydraulic supply can include a flow modulation system operable to vary the flow rate of the fluid output from the chamber. A first flow rate corresponds to a first output pressure, and is different from a second flow rate corresponding to a second output pressure for a like movement of the displacement member. | 11-12-2015 |
| 20150330684 | LIQUID LINE CHARGE COMPENSATOR - An apparatus and method for reducing discharge pressure in a Heating, Ventilating, and Air Conditioning system. The apparatus has a compensator reservoir and a compensator line. The compensator line connects the compensator reservoir and a liquid line. The liquid line connects a condenser and an evaporator. The compensator line has a connection to the compensator reservoir and a connection to the liquid line. In the method, a controller checks for one or more conditions indicating a likelihood of high discharge pressure. The controller finds a condition indicating a likelihood of high discharge pressure. In response to finding the condition, the controller closes a compensator valve after a set amount of time. The controller reopens the compensator valve. | 11-19-2015 |
| 20150330685 | REFRIGERANT PRESSURE RELIEF IN HVAC SYSTEMS - Systems and methods for reducing refrigerant pressures within an HVAC system are provided. A first tube may couple to a receptacle and to a manifold, placing the receptacle in fluid communication with the manifold. The manifold may couple to a condenser and may receive refrigerant from an outlet of a first pass of tubing through the condenser. Refrigerant exiting the first pass of tubing of the condenser may migrate into the receptacle in response to high refrigerant pressures within the HVAC system. A controller may determine whether at least one condition indicating a likelihood high refrigerant pressure within the HVAC system is present. The controller may close a first valve in response to determining that at least one condition indicating a likelihood high refrigerant pressure is present and upon the expiration of a first period of time. The first valve may couple to the first tube and may permit refrigerant flow into or out of the receptacle when open. The first valve may prevent refrigerant flow into or out of the receptacle when closed. Upon expiration of a second period of time, the controller may open the first valve. | 11-19-2015 |
| 20150331429 | FLUID HANDLING SYSTEM FOR A FLUID FLOW INSTRUMENT - A fluid handling system for supplying a working fluid to a fluid flow instrument is disclosed. The system includes a controller configured to receive sensor signals indicative of a deformation of a flexible barrier located between a control fluid volume containing a control fluid and a working fluid volume containing the working fluid. Based on the sensor signals, the controller may send signals to control the operation of a working fluid flow generator in order to regulate or control the fluid characteristic of the working fluid being provided to the fluid flow instrument. | 11-19-2015 |
| 20150331430 | INSPECTION METHOD OF FLOW SENSOR, INSPECTION SYSTEM AND PROGRAM RECORDING MEDIUM WITH PROGRAM FOR INSPECTION SYSTEM RECORDED THEREON - In order to provide an inspection system of a flow sensor capable of charging an appropriate pressure in a flow path in response to the inspection target flow sensor and significantly reducing a waiting time until a start of an inspection, the inspection system is provided with: fluid resistances respectively provided for a plurality of respective branch flow paths branched in a downstream of an upstream side flow path where the inspection target flow sensor is provided: valves respectively provided for the respective branch flow paths; a fluid sensor having at least a part thereof being provided in an upstream side than each of the fluid resistances for measuring a pressure or a flow rate of the fluid; and a valve opening/closing control part configured to allow a plurality of the valves to be in opened states at the time of inspecting the inspection target flow sensor. | 11-19-2015 |
| 20150345628 | POWER MANAGEMENT SYSTEM AND METHOD FOR POWER GENERATION APPARATUS - A power management system is provided. The power management system includes a power generation apparatus and a pump drivably coupled to the power generation apparatus. The power management system also includes a valve in fluid communication with the pump. The valve and the pump are components of a hydraulic circuit. The power management system further includes a controller communicably coupled to the valve. The controller is configured to selectively regulate the valve in order to control a pressure in the hydraulic circuit in a predetermined manner such that a torque load placed on the power generation apparatus by the pump lies below a threshold torque. | 12-03-2015 |
| 20150362000 | FLUID WASTE COLLECTION AND DISPOSAL SYSTEM AND METHOD - A system and method of collecting and disposing of fluid during a medical procedure. Fluid is drawn from a fluid source into a first reservoir in communication with a vacuum source. The fluid passes through an open fluid transfer valve into a second reservoir in communication with the vacuum source. While the fluid continues to be drawn into the first reservoir, the fluid transfer valve is closed after a predetermined volume of the fluid passes into the second reservoir. The fluid collected in the second reservoir is measured and evacuated from the second reservoir. The fluid transfer valve is opened and the steps are repeated until the medical procedure is completed while the first reservoir remains in uninterrupted communication with the vacuum source during the medical procedure such that fluid is capable of continuing to be drawn into the first reservoir without interruption. | 12-17-2015 |
| 20160004260 | ADD-ON CHAMBER FOR IMPROVED RESPONSE OF GAS PRESSURE REGULATORS - A gas pressure regulator regulates a pressure of a gas system. The gas pressure regulator includes a first chamber, a first diaphragm which separates the first chamber into a first compartment and a second compartment, a second chamber, with a second diaphragm separating the second chamber into a third compartment and a fourth compartment, the fourth compartment being connected to, and in communication with, the first compartment of the first chamber. A movement of the first diaphragm causes a corresponding movement of the second diaphragm, and a change in the volume of the fourth compartment. | 01-07-2016 |
| 20160010671 | METHOD AND DEVICES FOR DISCHARGING CONTAMINANTS OUT OF A SEAL CHAMBER | 01-14-2016 |
| 20160018058 | PRESSURE CONTROLLED CHAMBER - A pressure controlled chamber arrangement comprising a chamber, one or more seals arranged in use to limit fluid flow between the inside and outside of the chamber and a vent system arranged in use to remove a vent flow of fluid from the inside of the chamber. The vent system at least contributes to the formation of a pressure drop across the one or more seals from the outside to the inside of the chamber. The vent system comprises a flow controller arranged in use to control the quantity of fluid removal via the vent system in accordance with the sealing performance provided by the one or more seals, the vent system giving increased quantity of fluid removal for decreased sealing performance. | 01-21-2016 |
| 20160024903 | METHOD OF PROPPING AGENT DELIVERY TO THE WELL - A method for producing minerals and, more specifically, for producing hydrocarbons, by hydraulic fracturing of the rock, can be used for the optimization of formation fracturing crack processing conditions. The method includes splitting a main stream of a propping agent suspension in a fluid at a mixer output into at least two flows having different volume delivery rates, and comingling the at least two flows before delivering to the hydraulic fracturing zone. | 01-28-2016 |
| 20160032702 | SYSTEM AND METHOD FOR UTILIZING INTEGRATED PRESSURE EXCHANGE MANIFOLD IN HYDRAULIC FRACTURING - A system includes an integrated manifold system including multiple isobaric pressure exchangers (IPXs) that each includes a low-pressure first fluid inlet, a high-pressure second fluid inlet, a high-pressure first fluid outlet, and a low-pressure second fluid outlet. The integrated manifold system includes a low-pressure first fluid manifold coupled to each of the low-pressure first fluid inlets and configured to provide low-pressure first fluid to each of the low-pressure first fluid inlets, a high-pressure second fluid manifold coupled to each of the high-pressure second fluid inlets and configured to provide high-pressure second fluid to each of the high-pressure second fluid inlets, a high-pressure first fluid manifold coupled to each of the high-pressure first fluid outlets and configured to discharge high-pressure first fluid, and a low-pressure second fluid manifold coupled to each of the low-pressure second fluid outlets and configured to discharge low-pressure second fluid. | 02-04-2016 |
| 20160038851 | METHOD AND SYSTEM FOR ORIFICE CONTROL OF VALVE PRESSURE DROP - The present invention relates to a valve tray for use in a chemical process column. The valve tray includes a plurality of apertures formed therein. A plurality of valves are maintained in a spaced relationship relative to individual apertures of the plurality of apertures. An area of the individual apertures is less than an area of individual valves of the plurality of valves. | 02-11-2016 |
| 20160045400 | DOWNSTREAM FLOW DETECTION SYSTEM FOR FLOW CONTROL APPARATUS - A flow control apparatus adapted to load a feeding set having an upstream side and a downstream side including a housing capable of receiving at least a portion of the feeding set. A pumping device contacts the feeding set when the feeding set is received by the housing so the pumping device acts on the feeding set to produce fluid flow in the feeding set for delivery of fluid to a subject. An ultrasonic sensor is arranged with respect to the pumping device to detect a change in pressure in the downstream side of the feeding set when the feeding set is loaded on the apparatus. | 02-18-2016 |
| 20160053940 | SUB-SEA GAS RECOVERY SYSTEM - A gas recovery system for sub-sea use includes a sub-sea canister and a gas recovery entity. A bladder arranged within an interior of a housing of the gas recovery entity is configured to receive gas from the sub-sea canister via a pipe when a pressure of the gas exceeds a threshold at a sub-sea site. | 02-25-2016 |
| 20160054743 | PRESSURE REGULATOR - A fluid pressure regulator has a high pressure side and a low pressure side separated by a plunger. The plunger is biased against fluid pressure on the low pressure side. The fluid pressure on the low pressure side in opposition to the biasing means moves a primary passage through the plunger into and out of flow communication with fluid on the high pressure side under normal conditions. A fine passage through the plunger moves into and out of flow communication with fluid on the high pressure side under start-up conditions. | 02-25-2016 |
| 20160060024 | FILLING SYSTEM AND METHOD USING A SEPARATOR FOR ADHESIVE SOLIDS - Apparatus for transferring adhesive solids with a controlled flow. A storage container includes an interior for holding a bulk supply of adhesive solids and further includes a lower interior portion. Outlet structure communicates with the lower interior portion. A separating assembly is positioned proximate to the storage container and engages the bulk supply of adhesive solids proximate the lower interior portion. A drive moves at least a portion of the separating assembly such that the separating assembly engages the bulk supply of adhesive solids and separates adhesive solids from the bulk supply to thereby form the controlled flow of fluidized adhesive solids through the outlet structure. | 03-03-2016 |
| 20160061373 | FLOW DEVICE AND METHODS OF CREATING DIFFERENT PRESSURE DROPS BASED ON A DIRECTION OF FLOW - A flow device includes a flow-through region comprising at least one stage having a pocket configured to create a first pressure drop across the flow-through region in response to flow through the flow-through region in a first direction and a second pressure drop in response to flow through the flow-through region in a second direction. The first pressure drop is less than the second pressure drop under the same flow rates. The flow device has no moving parts to create the difference in pressure drop between the first direction and the second direction, the pocket has a larger cross sectional flow area than a first opening and a second opening fluidically connected to the pocket and a baffle positioned within the pocket having a “U” shape with a concave side of the baffle facing toward the second opening. | 03-03-2016 |
| 20160067816 | DRAWBACK VALVE SYSTEMS AND METHODS FOR COOLANT DRAWBACK - A first electrode coolant path is configured to cool a first welding electrode by liquid coolant flowing from a supply path through the first electrode coolant path to a return path. A second electrode coolant path is configured to cool a second welding electrode by liquid coolant flowing from the supply path through the second electrode coolant path to the return path. Three or more valves are configured to stop or reduce liquid coolant flow through the first or second electrode coolant path and configured to stop or reduce liquid coolant backflow from the return path when the first or second welding electrode is at least partially detached. At least one valve is coupled in the first or second electrode coolant path. A drawback apparatus generates a suction force to draw liquid coolant away from a gap formed when the first or second welding electrode is at least partially detached. | 03-10-2016 |
| 20160079105 | INCREASING THE GAS EFFICIENCY FOR AN ELECTROSTATIC CHUCK - A gas is received through an inlet. A portion of the gas is supplied to an electrostatic chuck. A portion of the gas is re-circulated through a compressor. A pressure of the second portion of the gas is increased. The second portion of the gas is stored in a gas storage. | 03-17-2016 |
| 20160091901 | PRESSURE REDUCTION DEVICE AND METHOD - The invention relates to a pressure reduction device for use in processing equipment handling high pressure and high temperature fluids with a content of abrasive components, where the pressure reduction device comprises a number of pipes with a length and internal cross section adapted to reduce the pressure, where the length, the cross sectional area and the number of pipes are chosen to have an average flow velocity within each pipe of less than 30 m/s. | 03-31-2016 |
| 20160107208 | METHOD FOR CONTAMINATION PREVENTION IN FLUID STORAGE TANK REQUIRING TEMPERATURE CONTROL, AND DEVICE THEREFOR - A method is disclosed herein for preventing contamination of a fluid in a fluid storage tank with a liquid cooling or heating medium due to breakage of a wall of the fluid storage tank. In an example embodiment, the method includes positioning an enclosed pressure-resistant jacket around an outer wall of the fluid storage tank, controlling a temperature of the fluid in the fluid storage tank by allowing the liquid cooling or heating medium to flow in the enclosed pressure-resistant jacket at a pressure lower than a pressure x (atm) applied within the fluid storage tank, and maintaining the pressure in the pressure-resistant jacket lower than the pressure x. | 04-21-2016 |
| 20160144711 | METHOD AND SYSTEM FOR DEPRESSURIZING A VEHICULAR FUEL STORAGE SYSTEM - A method for depressurizing a vehicular fuel storage system including a first portion and a second portion, the first portion being in fluid communication with a closable filler head opening, the first portion being separated from the second portion by a valve, the method including: in a first time period, depressurizing the first portion by bringing the first portion in communication with the atmosphere, while the valve and the filler head opening are closed; in a second time period, depressurizing the second portion by bringing the second portion in communication with the atmosphere; and obtaining readiness for access to the filler head opening as from the end of the first time period. | 05-26-2016 |
| 20160152132 | METHOD FOR CONTROLLING A PRESSURE INSIDE VEHICULAR FUEL TANK SYSTEM | 06-02-2016 |
| 20160160880 | PNEUMATIC DISTRIBUTION SYSTEM USING SHARED PUMP PLENUM - Apparatus and associated methods relate to a pneumatic distribution system having pneumatic pump that exhausts into a common plenum that is in fluid communication with a plurality of flow controllers. In an illustrative embodiment, a system controller may coordinate the operation of the one or more pneumatic pumps and the plurality of flow controllers to provide air pressure control to a system of pneumatic chambers. In some embodiments, one of the plurality of flow controllers may be configured to provide fluid communication with an ambient atmosphere so as to permit a fluid path from a pneumatic chamber connected to another flow controller to the ambient atmosphere via both flow controllers and the common plenum. In an exemplary embodiment, the system controller may advantageously control the air pressures in a plurality of pneumatic chambers independently of one another using coordinated control of the pump and flow controllers. | 06-09-2016 |
| 20160187893 | SYSTEM AND METHOD USING PARALLEL COMPRESSOR UNITS - A fluid compressor system and method are disclosed that includes multiple compressor modules arranged in parallel using a common intercooler and a common aftercooler to enable a more efficient scheme of matching the supply of compressed fluid generated by the system with variations in demand. The embodiments include systems, apparatuses, devices, and methods for generating a compressed fluid at a desired pressure and flow volume. | 06-30-2016 |
| 20160201837 | Pulse Dampener with Automatic Pressure-Compensation | 07-14-2016 |
| 20160377096 | FLUID EXCHANGER DEVICES, PRESSURE EXCHANGERS, AND RELATED METHODS - Exchanger devices include a plurality of fixed exchange ducts and a rotating valve assembly for directing flow to and from the plurality of exchange ducts. Methods of exchanging pressure between fluid streams may include directing fluids through an exchange device and pressurizing a fluid in the plurality of exchange ducts of the exchanger device. | 12-29-2016 |
| 20160377189 | VALVE ASSEMBLY FOR CONTROLLING FLUID COMMUNICATION BETWEEN FLUID CHAMBERS, INFLATABLE DEVICE, AND METHOD - A valve assembly for controlling fluid communication between fluid chambers in a device such as an inflatable device includes a valve body having first and second ports for fluidly connecting to first and second fluid chambers, and defining a plurality of primary valve seats in series between the ports. A plurality of compound valves are within the valve body and each includes a primary valve member movable to close or open one of the primary valve seats, and a secondary valve member movable to close or open a secondary valve seat in the primary valve member. | 12-29-2016 |
| 20170234485 | AUTOMATIC AIR BACKUP SYSTEM | 08-17-2017 |
| 20220136613 | PRESSURE-REDUCING VALVE - A pressure reducing valve with a valve housing, with a valve carrier in the housing interior having a throughflow channel, and with a cup-shaped valve body displaceably guided from an open position into a closed position counter to a restoring force, where the valve body abuts a valve seat on the valve carrier formed as a sealing ring, closing a channel opening. The sealing ring is held in an annular groove of the valve carrier and is axially supported by the groove flanks. The groove flank which faces the valve body ends in front of the inner circumference thereof, which abuts the sealing ring when the pressure reducing valve is closed. A sealing-lip-like circumferential molded-on formation is molded on that end face of the sealing ring which faces the valve body, and this formation moves against the inner circumference of the valve body when the primary pressure on the inlet side of the valve rises. | 05-05-2022 |
