| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 137596000 | Supply and exhaust | 42 |
| 20090095362 | MULTIFUNCTIONAL SHUT-OFF DEVICE - A multifunctional fluid shut-off device including an upstream shut-off element, a flow-rate limiter, and a downstream functional element. The upstream shut-off element presents a body in which at least one valve is disposed, and a downstream end includes an exit port to which the downstream functional element is operatively connected. At least one of the upstream shut-off element and the downstream functional element includes a retention mechanism for the flow-rate limiter. A unit including the downstream functional element is directly connected to the upstream shut-off element containing in its interior the flow-rate limiter. | 04-16-2009 |
| 20090242050 | Hydraulic Control Apparatus - A hydraulic control apparatus | 10-01-2009 |
| 20100126606 | MICROFLUIDIC DEVICES - This invention relates to microfluidic devices including a manifold arrangement ( | 05-27-2010 |
| 20100139791 | HYDRAULIC CONTROLLER - A pair of supply/drain pipes (Y and Z) continuous with an actuator ( | 06-10-2010 |
| 20100319794 | HOSE BEND BLEEDER FOR AMMONIA APPLICATION SYSTEM - A hose bend bleeder is combined with first and second hoses, with the hose bend bleeder being located at the bottom of a bend in a flow path established by the hoses. The hose bend bleeder has a bleed screw and a downwardly facing exit passageway. | 12-23-2010 |
| 20110197983 | Isolation Valve for a Load-Reaction Steering System - A steering system includes a fluid actuator, a first steering circuit in selective fluid communication with the fluid actuator, and a second steering circuit in selective fluid communication with the fluid actuator and disposed in parallel to the first steering circuit. The second steering circuit includes a load-reaction feature and an isolation valve with the isolation valve being adapted to enable and disable the load-reaction feature. | 08-18-2011 |
| 20110240154 | HYDRAULIC COUPLING - A hydraulic coupling for sub sea applications comprises inter-engageable male and female connectors. The male connector defines a male member for receipt in a chamber defined by the female connector. Each connector has a respective check valve for controlling the flow of fluid through internal bores in the connectors. The check valves are actuable by an actuator between an open position in which hydraulic fluid may flow through the respective internal bore and a closed position in which such flow is interrupted, depending on the distance between the first and second check valves. The male and female connectors are moveable between an uncoupled position in which the check valves are in the closed position and a coupled position in which the male and female connectors are engaged and extend along a longitudinal axis with the male member occupying the chamber of the female connector in a sealed relationship. A pair of seals are provided one on the male member and the other on the in the chamber. The seals are arranged so that they seal the chamber at opposite ends by sealing against respective sealing surfaces in the coupled position. The distance between the first and second check valves in the sealing position is such that the actuator urges them to their open positions. The arrangement ensures that seawater between the connectors is allowed to escape before the sealing relationship is established and, upon coupling, the check valves are opened to allow fluid to flow. | 10-06-2011 |
| 20120060952 | VOLUME BOOSTER WITH DISCRETE CAPACITY ADJUSTMENT - A volume booster for an actuator system advantageously includes an adjustable restrictor, such that the exhaust capacity of the device can be adjusted for specific applications. The device comprises a body, a supply path, an exhaust path, and the restrictor. The supply path operates to provide a supply of fluid to boost a stroke time of an actuator in the actuator system, e.g., in an opening direction. The exhaust path operates to accommodate backpressure relief when the actuator system operates the actuator in a closing direction, for example. The restrictor is disposed within the exhaust path and is selectively manipulable between a plurality of positions to define a plurality of distinct exhaust capacities, thereby eliminating any requirement to change the entire volume booster to achieve a different exhaust capacity. | 03-15-2012 |
| 20120160353 | LIQUID PROCESSING APPARATUS - A liquid processing apparatus includes at least one liquid processing unit for performing a liquid process on a substrate with a processing solution; supply pipes for supplying the processing solution into the at least one liquid processing unit; a housing accommodating a flow control member group provided on the supply pipes; and an upstream port and a downstream port detachably connected to the supply pipes located at an upstream side of the flow control member group and a downstream side of the flow control member group, respectably. Here, one end of the supply pipes is connected with the liquid processing unit and the other end thereof is extended to below the liquid processing unit and both the upstream and downstream ports are provided in the housing facing a main maintenance region located at a lateral side of the liquid processing apparatus. | 06-28-2012 |
| 20120186675 | METHOD AND APPARATUS TO DETECT THE PRESENCE OF HYDRAULIC PRESSURE IN A TRANSMISSION - A method is provided to detect the presence of hydraulic line pressure in a hydraulic control system in an electromechanical transmission. The method includes determining an estimated hydraulic line pressure of the hydraulic control system based upon an input flow and an output flow of hydraulic fluid. The input flow and output flow are regulated with a pressure control device, which is energizable on operator demand. A pressure detection device is fluidly connected to the pressure control device to detect the presence of hydraulic pressure. An override module is applied to the estimated hydraulic line pressure to determine a corrected hydraulic line pressure. The override module sets the corrected hydraulic line pressure to predetermined values based on the operating state indicated by the pressure detection device. The override module corrects for an over-estimation of hydraulic line pressure in operating conditions such as low environmental temperatures. | 07-26-2012 |
| 20120273073 | Duct Plug Inflatable Safety Device - An inflatable safety device is provided. A method of using an inflatable safety device in an overhead conduit or area of a cement manufacturing plant to keep debris from falling on a worker below the device, is also provided. | 11-01-2012 |
| 20120285566 | COMPRESSED FLUID VEHICLE - A compressed fluid storage arrangement ( | 11-15-2012 |
| 20120325350 | DUAL FUEL INJECTOR FOR A COMMON RAIL SYSTEM - A dual fuel common rail fuel injector includes a first and second control valve assembly and a first and second check needle. The dual fuel injector is capable of selectively injecting two different fuels such as diesel and liquefied natural gas. The first and second control valve assemblies operate using a single fuel, such as diesel, as the control medium. The dual fuel common rail injector further includes a hydraulic lock assembly. | 12-27-2012 |
| 20130233422 | LIQUID FLOW CONTROL AND BEVERAGE PREPARATION APPARATUSES, METHODS AND SYSTEMS - Apparatuses, methods and systems for liquid flow control and beverage preparation are disclosed. The apparatuses, methods and systems of the present invention include liquid flow control and beverage preparation capsules, pods, cartridges, pouches, systems, and modules for controlling and directing flow streams of liquid through a beverage preparation process. The apparatuses, methods and systems of the present invention may be used in combination with or included as an integral assembly of any apparatus, method or system for liquid dispension. | 09-12-2013 |
| 20140053927 | TURBOMACHINE WINDMILL BYPASS VALVE - An example bypass valve includes a sleeve providing a bore that extends along an axis. The sleeve has at least one window. The bypass valve also includes a spool received within the bore. The spool is configured to move within the bore between a first position that restricts flow through at least one window and a second position that permits flow through the at least one window of the sleeve. An outer diameter of the spool is from 99.90 to 99.95 percent of a diameter of the bore. | 02-27-2014 |
| 20140137965 | RECONFIGURABLE APPAREL MANUFACTURE AND BUSINESS PROCESSES - Provided herein are methods for the modulation of appearance or material properties within items of apparel or equipment. Also provided herein are design articles having alterable designs. | 05-22-2014 |
| 20150013794 | VALVE - The present invention relates to a valve for a hydraulically operated percussion mechanism having a main valve ( | 01-15-2015 |
| 20150136253 | HYDRAULIC CONTROL CIRCUIT FOR DRIVE LINE - A hydraulic control circuit for a drive line includes first and second switching valves and first and second solenoid valves. Each switching valve is alternatively switched by a switching hydraulic pressure to connect any two of three ports. The first port of the first switching valve is connected to a hydraulic actuator. The first port of the second switching valve is connected to the second port of the first switching valve. The first solenoid valve supplies the switching hydraulic pressure to the switching valves. The second solenoid valve regulates a control hydraulic pressure supplied to the hydraulic actuator. Any one of three oil paths is communicated with the hydraulic actuator by supplying the control hydraulic pressure via the third port of the first switching valve or the second or third port of the second switching valve and supplying the switching hydraulic pressure to at least one switching valve. | 05-21-2015 |
| 20150144211 | CONTROL VALVE OF A CAMSHAFT ADJUSTER - A control valve ( | 05-28-2015 |
| 137596120 | With bypass | 4 |
| 20090165872 | Gas Supply Unit and Gas Supply System - A gas supply unit and a gas supply system that are small-sized and inexpensive. The gas supply unit is installed on operation gas conveyance pipeline and has fluid control devices communicated via flow path blocks and controlling operation gas. The gas supply unit has the first flow path block, to one side of which an inlet open/close valve included in the fluid control devices is attached, and also has the second flow path block, to one side of which a purge valve included in the fluid control devices is attached. The first flow path block and the second flow path block are layered in the direction perpendicular to the conveyance direction of the operation gas. The inlet open/close valve and the purge valve are arranged between a mass flow controller installed on the operation gas conveyance pipeline and an installation surface where the unit is installed. | 07-02-2009 |
| 20130139917 | FUEL TRANSFER SYSTEM - A fuel transfer system for use with a motor vehicle of the type having a fuel tank and a fuel sending unit in the fuel tank for pumping fuel thorough a fuel line to the vehicles engine when the engine is idling where the fuel transfer system allows fuel in the fuel tank to also be delivered to an auxiliary fuel vessel such as another fuel tank, a fuel container, or an engine powered machine is provided. Embodiments of the present invention include features for draining the fuel transfer system when it is not in use for filling an auxiliary fuel vessel. | 06-06-2013 |
| 20150114495 | ELECTRONIC EXPANSION VALVE - An electronic expansion valve is provided, wherein a piston component and a valve needle component are located at the same side of a valve core seat. When refrigerant flows forwards, the piston component closes the bypass through hole, the refrigerant flows to a side of the vertical connecting pipe via the valve core valve port, and the valve needle component moves in the axial direction to regulate an opening of the valve core valve port. When the refrigerant flows reversely, the piston component moves upwards in the axial direction to open the bypass through hole, and the refrigerant flows to a side of the transverse connecting pipe via the bypass through hole. The electronic expansion valve ensures that the valve needle component seals the valve core valve port easily in a high pressure state when the refrigerant flows forwards, and reduces axial and radial dimensions of the valve seat | 04-30-2015 |
| 20160147234 | VALVE MANIFOLD DEADLEG ELIMINATION VIA REENTRANT FLOW PATH - A gas delivery system for a substrate processing system includes first and second valves, a first gas channel, and a cylinder. The first valve includes a first inlet and a first outlet. The first outlet is in fluid communication with a processing chamber of the substrate processing system. The second valve includes a second inlet and a second outlet. The cylinder defines a second gas channel having a first end and a second end. The cylinder is at least partially disposed within the first gas channel such that the cylinder and the first gas channel collectively define a flow channel. The flow channel is in fluid communication with the first end of the second gas channel and with the first inlet. A third gas channel is in fluid communication with the second end of the second gas channel and with the second inlet. | 05-26-2016 |
| 137596140 | Pilot-actuated | 9 |
| 20090283160 | FLUID FLOW CONTROL DEVICE AND CONTROL CIRCUIT - A fluid flow control device such as a volume booster has an inlet, an outlet and an exhaust port all for an operating fluid. A pilot inlet receives a pilot pressure signal which operates a valve stem actuator via a piston. The valve stem is operable to open a supply valve between the inlet and outlet and, separately and independently, to open an exhaust valve disposed between the outlet and the exhaust. In a further position both the valves are closed. Movement of the stem in a reciprocal manner by the piston causes a respective annular shoulder to engage a respective valve and lift it off a valve seat against the force of a biasing spring. A first fluid leak path is provided between the valve stem and the supply valve for allowing fluid to leak through the supply valve chamber when the supply valve is open and a second fluid leak path is defined by the exhaust valve for allowing fluid to leak through the exhaust valve chamber. The leak paths provide for a force balancing arrangement that allows the valve stem to move easily. A quick exhaust feature allows exhaust flow through the device instead of using a separate component. A regulated flow is provided to the actuator. The size of the exhaust port may be modulated by pilot control pressure. | 11-19-2009 |
| 20100043895 | VALVE ASSEMBLY WITH LOW RESISTANCE PILOT SHIFTING - A valve arrangement for placing a supply of motive fluid in alternating communication with first and second motive fluid chambers. The valve arrangement includes a power valve including a supply chamber, a pilot chamber, and a shiftable member separating the supply chamber from the pilot chamber. The valve arrangement also includes a pilot valve actuable between an on condition in which the pilot valve generates a pilot signal that shifts the power valve, and an off condition in which the pilot valve does not generate the pilot signal. At least a portion of the pilot valve is exposed to motive fluid, and the portion of the pilot valve exposed to motive fluid includes surface areas giving rise to a net zero actuating force arising from pressure of the motive fluid. Because there is no biasing force on the pilot valve, the pilot valve is shifted between the on and off conditions without significant resistance. | 02-25-2010 |
| 20120180886 | BLEED VALVE MODULE WITH POSITION FEEDBACK AND COOLING SHROUD - A bleed valve control system for mounting to a support structure adjacent to a fan air plenum within an aircraft includes a bleed valve module, a pneumatic valve controller, and a fan air duct. The bleed valve module includes a pipe, a plurality of bleed valves connected to the pipe, and a plurality of pneumatic actuators connected to the bleed valves. The pneumatic valve controller includes a plurality of electrical control elements and a cooling shroud. The cooling shroud is attached to the pipe and at least partially surrounds the plurality of electrical control elements. The fan air duct connects the cooling shroud to the fan air plenum such that fan air flows through the cooling shroud to cool the plurality of electrical control elements. | 07-19-2012 |
| 20130269808 | DIRECTIONAL VALVE EQUIPPED WITH PRESSURE COMPENSATION - A directional valve for controlling an actuator by means of pressurized medium, including: a spool fitted to move axially inside the directional valve; a first position of the spool, in which the spool tends to be set; and a second position of the spool, to which the spool can be moved by a pilot control force. Additionally, the directional valve includes a metering orifice placed in the pressure port or in the first work port or in the second work port or in the tank port, and across which a pressure difference is effective. The spool further includes a second position, to which the spool can be moved by a pilot control force. When the spool is in at least the second position, the directional valve is fitted to generate a compensating force proportional to said pressure difference, to move the spool to compensate for the flow. | 10-17-2013 |
| 20150144212 | CUSHION VALVE - A cushion valve includes a housing having a pair of primary chambers and a pair of secondary chambers. A first spool and a pair of second spools are arranged in the housing. Biasing members are respectively arranged between the first spool and the second spool and between the first spool and the second spool. A first internal passage communicating with a tank port is formed at the first spool. Each of the second spools includes a land portion configured to open or close an opening formed between the primary chamber and the corresponding secondary chamber. A second internal passage including a restrictor is formed at each of the second spools. When one of the second spools moves toward the first spool, the first internal passage communicates with the secondary chamber located at the other second spool side. | 05-28-2015 |
| 137596150 | Common to plural valve motor chambers | 1 |
| 20100078089 | HYDRAULIC TRIP UNIT FOR A VALVE UNIT IN A PRIME MOVER PLANT, ESPECIALLY FOR A FAST-ACTING SHUT-OFF VALVE OF A TURBINE PLANT - A hydraulic trip unit for a valve unit in a prime mover plant is described, with monitoring passages which are grouped together in a hydraulic block and interconnected forming a 2 out of 3 circuit, of which each monitoring passage is provided with a solenoid valve unit, with a power oil line connection which is provided on the hydraulic block and from which an emergency oil passage and an auxiliary emergency oil passage extend inside the hydraulic block, of which the emergency oil passage can be connected to the valve unit and the auxiliary emergency oil passage is connected via connecting lines to a solenoid valve unit in each case, wherein a first connecting line feeds a first and third solenoid valve unit, a second connecting line feeds the second and a first solenoid valve unit, and a third connecting line feeds the third and second solenoid valve unit. | 04-01-2010 |
| 137596160 | Electric | 3 |
| 20100175764 | Device for Controlling a Circuit that Consumes Compressed Gas, and a Vacuum Generator Making Use Thereof - The invention relates to a device for controlling the opening and closing of a compressed gas consuming circuit (U), the device comprising a normally-closed two-position cutoff valve ( | 07-15-2010 |
| 20140000737 | ZONAL HYDRAULIC SYSTEMS AND METHODS | 01-02-2014 |
| 20150013795 | ARTICULATED HARVESTING HEAD GROUND FORCE CONTROL CIRCUIT - A ground force control circuit ( | 01-15-2015 |
| 137596170 | Motor | 7 |
| 20090065075 | PRESSURE CONTROL VALVE - A pressure control valve ( | 03-12-2009 |
| 20110000563 | FLOW RATE CONTROL APPARATUS - A communication section located within a piping section and communicating with a common first port introducing/exhausting fluid is formed such that the diameter of the communication section is larger than the inner diameter of a valve-opening/closing passage by passing the communication section through the piping section from the external, further including a lid sealing the through hole. | 01-06-2011 |
| 20130133767 | PRESSURE CONTROL VALVE DEVICE - A pressure-control valve device for a fluid, having at least one inlet area and first and second outlet areas that can be flow-connected to one another by two seat valves coupled to one another, in which a fluid flow from the inlet area to the first and second outlet areas can be adjusted by the first seat valve and a fluid flow between the first and second outlet areas can be adjusted by the second seat valve. The first seat valve is designed as a valve aperture with a valve opening and a valve control edge and with a ball-shaped closing element that co-operates with the valve control edge. The valve opening and the ball-shaped closing element are designed such that the ratio of the diameter of the valve opening to the diameter of the ball-shaped closing element is equal to at least 0.75. | 05-30-2013 |
| 20150013796 | HYDRAULIC CIRCUIT FOR AUTOMATIC TRANSMISSION - A hydraulic circuit may include a proportional control solenoid valve controlling hydraulic pressure such that an operating hydraulic pressure required by the friction member is supplied to the friction member; a supply hydraulic path connecting the proportional control solenoid valve with the friction member, and adapted to supply hydraulic pressure controlled by the proportional control solenoid valve to the friction member; and a switch valve disposed in the supply hydraulic path so as to selectively open/close the supply hydraulic path. | 01-15-2015 |
| 20150096632 | HYDRAULIC DIRECTIONAL CONTROL VALVE - A hydraulic directional control valve for activating a hydraulic load, comprising a housing with a pump connection for connecting to a pressure source, a tank connection for connecting to a hydraulic fluid reservoir and a first and second working connection for connecting to the hydraulic load, and a first and a second valve slide, which are held in the housing so as to be linearly movable in a displacement direction. | 04-09-2015 |
| 20150114496 | Three-Port Valve - A three-port valve that can be more accurately controlled using a simple structure. The three-port valve is provided with the following: a first elastic tube in which a liquid circulates; a first port which is a provision and discharge opening in the first elastic tube; a second elastic tube in which a liquid circulates; a second port which is a provision and discharge opening in the second elastic tube; a third port that links the first port and the second port; first circulation control means for deforming the first elastic tube so as to control the circulation of the liquid circulating in the first elastic tube; second circulation control means for deforming the second elastic tube so as to control the circulation of the liquid circulating in the second elastic tube; and an oscillator for driving the first circulation control means and the second circulation control means. | 04-30-2015 |
| 137596180 | Fluid motor | 1 |
| 20140216580 | HYDRAULIC STEERING AND METHOD FOR DETECTING A VALVE POSITION - The invention concerns a hydraulic steering ( | 08-07-2014 |
| 137596100 | Biased exhaust valve | 3 |
| 20150059893 | FIVE-PORT SWITCHING VALVE WITH RESIDUAL PRESSURE EXHAUST VALVE - A switching valve includes main valve constituted of a five-port electromagnetic switching valve settable to a closed-center position, and a residual pressure exhaust valve including an exhaust valve cavity communicating with a supply port of the main valve and two exhaust ports, two residual pressure discharge flow paths respectively communicating with the exhaust ports, two exhaust valve elements placed inside the exhaust valve cavity and driven by pressure air from the supply port to open and close the residual pressure discharge flow paths, and a release spring that biases the exhaust valve element in a direction to open the residual pressure discharge flow paths. While the pressure air is not supplied into the exhaust valve cavity through the supply port, the exhaust valve element opens the residual pressure discharge flow paths so as to discharge residual pressure from the exhaust port, and when pressure air is supplied into the exhaust valve cavity the exhaust valve element closes the residual pressure discharge flow path, and hence the residual pressure is not discharged from the exhaust port. | 03-05-2015 |
| 137596200 | Biased closed | 2 |
| 20080257430 | Vibration resistant proportional valve and method for damping vibrations during regulation of fluid flow - A proportional valve includes a valve stem movable toward and away from an orifice for alternatively closing and opening the orifice, and regulating fluid flowing out from the orifice while in the open state. A fluidic damping volume is formed between the valve stem and a surface surrounding the orifice. The damping volume, or the fluid present within the damping volume, serves as a damping mechanism for damping or resisting vibrations of the valve stem, thereby stabilizing the fluid flow. | 10-23-2008 |
| 20090014074 | HYDRAULIC VALVE ARRANGEMENT - The invention concerns a hydraulic valve arrangement ( | 01-15-2009 |
