| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 137098000 | Self-proportioning flow systems | 40 |
| 20090126802 | Fuel Staging System - A fuel staging system comprises a splitter valve arranged to split an input fuel stream into a pilot fuel stream and a main fuel stream, the splitter valve comprising a spool slidable within a bore, the spool and bore together defining first and second control chambers, the fluid pressures in which determine the position occupied by the spool, the system further comprising a control line which, in use, controls fuel delivery through a plurality of main burners, the fluid pressure in the control line being a combination of the fluid pressures in the first and second control chambers. | 05-21-2009 |
| 20100116352 | DYNAMIC MIXING APPARATUS FOR MULTI-COMPONENT COATINGS - A multi-component coating spray application system comprises: a source of a first coating component, a source of a second coating component, a dynamic mixer in fluid flow communication with the sources of the first and second coating components, wherein the dynamic mixer comprises a mixing chamber and a movable stirring member in the mixing chamber, and a spray gun in fluid flow communication with an outlet port of the dynamic mixer. | 05-13-2010 |
| 20110108132 | REACTION ASSEMBLY AND FLOW SPLITTER - The invention pertains to reaction systems in which at least one capillary unit is applied. The capillary unit comprises: —a unit inlet for receiving a fluid flow, —a unit outlet for releasing said fluid flow, —a capillary, which capillary is arranged between the unit inlet and the unit outlet such that said fluid flow passes through the capillary, —a heater and/or a cooler for adjusting the temperature of the capillary and therewith influencing the flow rate of the fluid flow passing through said capillary, —a housing for accommodating at least the capillary and heater and/or cooler of said capillary unit, which housing provides thermal insulation of the capillary, —a flow sensor for measuring the flow rate of the fluid flow through the capillary unit, which flow sensor can be arranged either inside or outside the housing, A capillary unit is combined with or further has a flow adjustment unit for adjusting the flow rates of the secondary fluid flows, which flow adjustment unit comprises a temperature control device for individually controlling the heater and/or cooler of each capillary unit in response to the flow rate that is measured by the flow sensor of that capillary unit. | 05-12-2011 |
| 20110120569 | Fuel Tank System For Gasoline And Flexible Ethanol Powered Vehicles Using On-Demand Direct Ethanol Injection Octane Boost - A fuel tank system for gasoline or flexible gasoline/ethanol powered vehicles that use independently controlled direct ethanol injection to provide a large on-demand octane boost is disclosed. The on-demand octane boost is used when needed to prevent knock. The ethanol can be in the form of 100% ethanol or E85 (a 85% ethanol, 15% gasoline mixture) and is stored in a second tank that is separate from the tank that which contains the primary fuel. The primary fuel can be gasoline, E85, ethanol or a mix of these fuels. The fuel tank system enables convenient, quick, flexible and minimal cost refueling of the separate fuel tank. A range of fueling options is available to provide the driver with the maximum freedom to choose fuels depending upon price and availability. Valves may be utilized to direct the flow in fuel to the various tanks. | 05-26-2011 |
| 20110139266 | ADJUSTABLE PLUGS FOR FLUID FLOW-SPLIT ACCURACY - A flow splitter for accurately dividing fluid flow into different outlets includes a splitter valve and a calibration member. The calibration member blocks a portion of fluid flow to reduce differences in the divided fluid flows. | 06-16-2011 |
| 20120167999 | Pressure balance valve - A temperature controlling valve contains a body including a cylindrical chamber, a first opening, a second opening, a first inflow channel, and a second inflow channel; a sleeve member retained in the chamber and including at least one first orifice and second orifice; a first cover to close the first opening; a second cover applied to close the second opening; a valve core fitted into the sleeve member, wherein the first cover includes a first projected portion with a first guide tunnel; the first guide tunnel includes a first axial flowing section and a first longitudinal flowing section; the first projected portion includes a first circular back pressure fence; the second cover includes a second projected portion with a second guide tunnel; the second guide tunnel includes a second axial flowing section and a second longitudinal flowing section; the second projected portion includes a second circular back pressure fence. | 07-05-2012 |
| 20120192959 | WINDSCREEN WIPER WATER SYSTEM - The windscreen wiper water system specified for all types of motor vehicle comprises a water collection device ( | 08-02-2012 |
| 20130048099 | Additive Proportioning System - The subject invention described herein is directed to an improved fluid powered system for dispensing a selectively variable proportion of additives into a primary fluid supply line such as is commonly encountered in the firefight industry where it is desirable to proportion foam concentrates into a water line. The subject invention features a water driven motor that is integral to a variable displacement additive pump. A proportioning adjustment allows the solution % to be adjusted. Once set, the additive percent varies in direct proportion to the water flow rate in order to maintain a nearly constant solution percentage over a broad flow range. | 02-28-2013 |
| 20130098474 | COLD AND HOT WATER BALANCING VALVE STRUCTURE - A cold and hot water balancing valve structure is provided which can fit common standard specifications. While maintaining the outer diameter and height of the high legged seat of the valve enclosure under existing standard specifications of ceramic valves, the bottom ends of the cold and hot water through holes of the high legged seat are configured with a water inlet pipe set housing groove for fitting an eccentrically positioned assembled water inlet pipe set, which are made up of cold and hot water tubes. When the meshing edges of the tubes are joined together, a balancing valve housing space is defined inside to hold a cold and hot water balancing valve unit. The cold and hot water balancing valve structure fits existing standard ceramic valve specifications, so as to dramatically reduce the production cost of cold-hot balancing valves while realizing the cold and hot water balancing function. | 04-25-2013 |
| 20140026977 | CHEMICAL PRECURSOR BUBBLER ASSEMBLY - One or more techniques and/or systems are disclosed for saturating a gas with a liquid-borne compound. A bubbler container may be configured to contain a carrier liquid, which comprises a desired compound. The container may comprise at least one routing plane, disposed between the top and bottom of the container, which may be configured to allow gas bubbles to travel through a circuitous, routing route. The gas can be introduced to the container at a bottom portion of the container, into the carrier liquid comprising the compound. Carrier gas bubbles formed in the liquid may be forced to travel the routing route to a top portion of the container, where gas saturated with the compound may be collected. | 01-30-2014 |
| 20140102550 | MIXING VALVE - A mixing valve ( | 04-17-2014 |
| 20140124046 | BALANCE CONTROL VALVE WITH IMPROVED OPERATIONAL SENSITIVITY - A balance control valve with improved operational sensitivity is accommodated in the holding space preset into the dual-temperature ceramic valve. Annular grooves are located correspondingly to the cold water opening and hot water opening of the fixed valve pipe. An unscaling portion is formed between the annular grooves and the inner wall of the fixed valve pipe in a vertical configuration, and is used to remove scale generated on the exterior of the moveable spool. The setting width of the annular groove is equal to or greater than the width of the cold water opening and hot water opening. With the setting of the annular groove, the contact area of the moveable spool and the inner wall of the fixed valve pipe could be reduced so as to improve the operational sensitivity of the moveable spool, remove the scale and extend the service life of the balance control valve. | 05-08-2014 |
| 20180024575 | FLUID DELIVERY DEVICE | 01-25-2018 |
| 137099000 | Interconnected flow displacement elements | 5 |
| 20090120507 | FLUID METERING AND PUMPING DEVICE - A fluid metering/pumping device preferably includes a series of intermeshing gears. The fluid metering/pumping device includes an inlet port or area adjacent the intermeshing portion of each pair of gears within the series adjacent the point at which the pair of gears diverge. The device further includes a pressure loaded floating shoe adjacent the intermeshing portion of each pair of gears within the series adjacent the point at which the pair of gears converge. The device further includes a piston subjected to discharge pressure at each discharge port which conveys hydraulic pressure to each floating shoe. The device is configured to convey liquid from a main inlet stream of liquid, through the inlet ports or areas, and out of one or more discharge ports at substantially equal rates. | 05-14-2009 |
| 20090205716 | BY-PASS AND PRESSURE REGULATOR VALVE - A by-pass and pressure regulator valve exhibiting: an inlet mouth and an outlet mouth set in reciprocal communication by a main conduit; a by-pass mouth. The by-pass and pressure regulator valve comprises: an obturator, mobile between at least a closed position, in which it interrupts fluid communication between the main conduit and the by-pass mouth, and at least an open position, in which the fluid communication is not interrupted; operating pressure control means, predisposed to move the obturator from the closed position; means for determining a flow pressure loss in fluids crossing the main conduit, arranged along the main conduit in order to separate a first tract upstream of the main conduit from a second tract downstream thereof; obturator command means governed by a fluid pressure difference between the first tract and the second tract of the main conduit, distinct from the operating pressure control means but operatively connected to the obturator. | 08-20-2009 |
| 20090266422 | PRESSURE PLENUM FLOW DIVIDER - A fluid metering or pumping device includes multiple pumping or metering elements that are connected so that they all operate together, moving in the same direction and at the same speed. The multiple pumping or metering elements are intended for use at high pressures where the strain from the pressure might distort the walls of the elements, and interfere with their pumping or metering accuracy. These elements are enclosed in, but preferably not directly connected to a pressure vessel that would contain the high operating pressure, leaving the pumping or metering element housings to only contain the pressure rise or fall that occurs within that element. The pumping or metering elements are connected to a support structure that also penetrates the pressure vessel, and contains an outlet port for that element. The pressure vessel connects the elements, and serves as an intake plenum for all of the elements. | 10-29-2009 |
| 20130269790 | HYDRAULIC TEMPERATURE COMPENSATOR AND HYDRAULIC LIFT TRANSMITTER - The hydraulic temperature compensator has at least one longitudinally extensible hydraulic chamber and a gas-filled chamber which is at least partly enclosed by the hydraulic chamber, wherein the hydraulic chamber is subdivided into a first sub-chamber and a second sub-chamber which are hydraulically connected to each other by at least one throttle point and wherein the second sub-chamber adjoins the gas-filled chamber. The stroke transmitter has at least the hydraulic temperature compensator, a stroke actuator acting on the temperature compensator, and a further hydraulic chamber which is fluidically connected to the first sub-chamber of the hydraulic chamber of the temperature compensator, wherein the further hydraulic chamber is in fluidic connection with a displaceably mounted actuating element. | 10-17-2013 |
| 20150114483 | PRESSURE STABILIZING MECHANISM AND HYDRAULIC PUMP EQUIPPED THEREWITH - The present invention relates to pressure stabilizing mechanism and to a hydraulic pump including the pressure stabilizing mechanism. The pressure stabilizing mechanism comprises a frame, a piston and a first and second seals. The frame defines a piston chamber, a lower-pressure circuit and a higher-pressure inlet. The piston chamber has a first section of smaller circumference and a second section of larger circumference. The first section of the piston chamber connects the lower-pressure circuit and the higher-pressure inlet. The lower-pressure circuit further connects with the second section of the piston chamber. The lower-pressure circuit receives a fluid at a lower pressure and the higher-pressure inlet receives the fluid at a higher pressure. The piston is slidably movable in the piston chamber between an open position and a closed position. The piston slidably moves between the closed and open position upon relative variation between the lower-pressure fluid and larger surface in the second chamber with respect to the higher-pressure fluid and smaller surface in the first chamber of the piston chamber. | 04-30-2015 |
| 137100000 | Flow comparison or differential response | 18 |
| 20090205717 | FAUCET STRUCTURE HAVING PRESSURE BALANCE VALVES - A faucet structure having pressure balance valves includes a valve seat, a control valve set, and pressure balance valve sets. The valve seat has a valve chamber for the control valve set to be disposed therein, and has a water entry and a water exit. The pressure balance valve sets are disposed in the entry, and capable of closing the entry. A valve sheet of the pressure balance valve sets has a protrusion extending into the valve chamber, and the control valve set has a guide portion at an end extending into the valve chamber corresponding to the protrusion, such that when the control valve set is disposed in the valve chamber, the guide portion pushes against the protrusion, so as to enable the pressure balance valve sets to open the entry. When the control valve set is detached, the pressure balance valve sets are capable of closing the entry. | 08-20-2009 |
| 20110214752 | Pressure balance valve - A temperature controlling valve includes a housing and a valve core installed in the valve core, the housing including a fist end wall having a first limiting elements and a second end wall having a second limiting element, and the first and the second limiting elements being fixed to fourth openings on two ends of the valve core to decrease cross sectional areas of the fourth openings for flowing the cold and the hot waters to be less than cross sectional areas of first and second inlets to flow the cold and the hot waters of the housing, such that a pressure in the valve core is gathered well to sense a pressure difference between the cold and the hot waters precisely and balance the pressure difference. | 09-08-2011 |
| 20110247703 | DIFFERENTIAL FLOW SIGNAL AMPLIFICATION - A means to amplify the pressure effects of very small flows, or very small leaks, in contained fluid systems using pressure sensors in differential flow measurement devices. A ball valve in the passageway to the sensor static port achieves a small delay. | 10-13-2011 |
| 20130042923 | Constant temperature control device - A constant temperature control device contains a base including a central wall and a peripheral wall to define a chamber; the peripheral wall including a tunnel and hooks; the central wall including a first and a second holes and two grooves; a pressure balanced valve engaged in the chamber and including a first and a second inflow orifices and a first and a second outflow orifices; a controlling assembly including an operating shaft and a stainless steel piece; two plug sets, each including two springs and two stoppers, and each stopper including an aperture; a covering member including projections and a pore; between the covering member and the disk being defined with a second cavity; an outlet member fixed in the tunnel of the base and including a twisted passageway arranged therein so that the mixed water flows vertically from the tunnel and then is guided to jet horizontally. | 02-21-2013 |
| 20140026978 | Fluid Backup Preventing System and Method of Use Thereof - An apparatus for continuously controlling fluid flow in a sewer conduit, comprising: a) moisture sensors detecting levels of fluid in this conduit; b) an inflatable bladder, mounted in the sewer conduit for releasably sealing in fluid tight fashion a section of this conduit; an air compressor, for inflating the bladder; and a control box including a CPU, sensitive to the moisture sensor and actuating the air compressor responsively to conduit fluid level conditions reaching beyond a preset threshold value. The performance of the apparatus is independent of the speed of fluid flow in the sewer conduit. | 01-30-2014 |
| 20140261751 | PRESSURE BALANCE UNIT - A pressure balance unit for a valve assembly includes a first shell having a tongue extending therefrom, a second shell having a groove indented therein, and a sliding element having a shaft defining an axis. The groove in the second shell is configured to receive the tongue from the first shell for aligning the shells. The first and second shells are united using a sonic welding process. The first shell defines a first bore and the second shell defines a second bore. The first and second bores include inlet ports in circumferential faces thereof, the ports defining openings transverse to the axis. The sliding element includes a first end movable along the axis within the first bore and a second end movable along the axis within the second bore. The ends of the sliding element open and close the inlet ports by sliding across the ports. | 09-18-2014 |
| 20150114484 | Ceramic Balance Valve Structure - A ceramic balance valve structure includes a valve tube and a pressure regulating member each of which is made of ceramic material. The valve tube is formed with a through hole and two annular grooves. The pressure regulating member is slidably mounted in the through hole of the valve tube and is provided with two water guide grooves corresponding to the annular grooves of the valve tube. The pressure regulating member is provided with a balance wall located between the two water guide grooves and has two opposite ends each provided with a connecting hole. Thus, the valve tube and the pressure regulating member have a ceramic surface contact therebetween to facilitate a sliding motion of the pressure regulating member and to prevent the pressure regulating member from being jammed in the valve tube. | 04-30-2015 |
| 137101000 | Flow dividers (e.g., reversely acting controls) | 3 |
| 20080283125 | Vacuum Divider for Differential Pumping of a Vacuum System - A vacuum divider is positioned between rotor blades of a turbo-molecular pump and a vacuum manifold formed from multiple vacuum chambers. A first coupling aperture passes through the vacuum divider and allows gas to pass from a first of the multiple vacuum chambers to the turbo-molecular pump. A second coupling aperture passes through the vacuum divider and allows gas to pass from a second of the multiple vacuum chambers to the turbo-molecular pump. | 11-20-2008 |
| 20120174990 | FLOW RATE RATIO CONTROLLING APPARATUS - The flow rate ratio controlling apparatus comprises differential pressure flow rate controllers (MFC | 07-12-2012 |
| 20120261000 | FUEL FLOW DIVIDER AND ECOLOGY SYSTEM FOR A GAS TURBINE ENGINE FUEL FLOW CONTROL SYSTEM - A flow divider valve for a gas turbine engine fuel supply system is provided. The flow divider valve is configured, whenever fuel pressure at its inlet port is between a first predetermined pressure and a second predetermined pressure, to supply the fuel to a start nozzle manifold outlet port at a substantially constant flow rate, and to direct any fuel flow in excess of the substantially constant flow rate to a run nozzle manifold outlet port. | 10-18-2012 |
| 137101110 | Main line flow displaces or entrains material from reservoir | 4 |
| 20100212753 | Hand-held dispenser - A hand-held dispenser for precisely controlling the flow rate of water therethrough and for injecting a liquid chemical into the water passing through the apparatus. | 08-26-2010 |
| 20120111422 | GEL COMPOSITION FOR SHOWER FILTER, METHOD FOR MANUFACTURING SHOWER GEL FILTER AND SHOWER FILTER - Provided are a gel composition for a shower filter with viscosity restorability, a method for manufacturing a shower gel filter and a shower filter. More particularly, the gel composition for a shower filter includes dextrin, a fragrance, water and a water-soluble cellulose ether, and may further include vitamin C intended to remove residual chlorine and harmful substances contained in water, and a food coloring intended to allow the users to identify a particular type of fragrance. | 05-10-2012 |
| 20130291955 | HAND-HELD DISPENSER - A hand-held dispenser for precisely controlling the flow rate of water therethrough and for injecting a liquid chemical into the water passing through the dispenser. The dispenser includes a slide valve for changing the flow rate of the liquid chemical water therethrough. The slide valve may also be positioned so that only rinse water is discharged from the dispenser. | 11-07-2013 |
| 20140060664 | Fluid Dose Dispensing Apparatus - An apparatus for dosing a fluid flow system with a treatment fluid/chemicals is described. The apparatus includes: a vessel; an inlet pipe and an outlet pipe for coupling to the system so that fluid from the system may flow into the vessel and return into the system to flush chemicals from within the vessel into the system. The vessel has a piston within it and the vessel wall defines a cylinder in which the piston moves under pressure of incoming fluid from a first position at which the vessel contains fluid to be dispensed into the system to a second position corresponding to substantially complete emptying of the vessel. The piston has a bypass passage through or around it that opens when the piston substantially reaches the second position so that fluid from the system may flow passed the piston when the piston is at the second position. | 03-06-2014 |
| 137101190 | With electrical controller | 4 |
| 20100170574 | GAS MIXING PUMP WITH VARIABLE INJECTION SECTION - The invention relates to a pump including: a gas mixing housing ( | 07-08-2010 |
| 20100263736 | DEVICE FOR INJECTING AN ADDITIVE INTO A PIPE - The invention relates to a storage and metering device intended for the injection of an additive into a pipe through which a variable-flow-rate liquid flows. The device is characterized in that it includes: a container intended to house the additive and provided with an additive outlet to be connected to the pipe, optionally by means of an injection system; and a differential pressure regulator including a gas inlet to be connected to a gas source, a gas outlet connected to a pressurization inlet of the container so that the container can be pressurized to a pressurization pressure and a control inlet to be connected to the pipe. | 10-21-2010 |
| 20110203678 | MULTI-POSITION MICRO-FLUIDIC VALVE SYSTEM - A micro-fluidic valve system is provided which includes a micro-fluidic valve actuator apparatus, a fluid distribution manifold and a micro-fluidic POD apparatus. The POD apparatus includes a POD housing that defines an interior central passage extending from a distal mounting end of the housing to a proximal portion thereof. The POD apparatus further includes a stator device disposed in the interior central passage, and includes a distal stator face that cooperates with an opening in the distal mounting end to define a gasket receptacle. A relatively thin, elastomeric gasket member is disposed in the gasket receptacle of the housing in abutting contact between the stator and a communication face of the manifold. A fluid-tight seal is then formed between each respective stator communication port of the stator device and a corresponding manifold communication port of the manifold. | 08-25-2011 |
| 20150122346 | WATER FLOW CONTROLLING DEVICE FOR FAUCET - A water flow controlling device for a faucet includes a controlling mechanism having a housing and a casing disposed on a bottom wall and having compartment and chamber communicating with each other, a valve seat formed in the casing, a check valve device engaged in the casing for engaging with the valve seat and for controlling the water to flow out of the casing, a receptacle includes a chamber for engaging with the housing and the casing and the bottom wall of the controlling mechanism, and an actuator tube is attached to the receptacle and includes a protrusion for disengaging the check valve device from the valve seat of the casing when the receptacle is engaged onto the casing. | 05-07-2015 |
| 137101250 | Liquid level response | 2 |
| 137101270 | Float controlled weir or valve | 2 |
| 20110308636 | Anti-Microbial Drain Pan Float - The invention is directed toward a drain float for sanitizing a condensate drain to reduce sludge and pathogens. The drain float includes a pivot shaft having a first and second end. A barbed float connects to the second end of the pivot shaft. Such barbed float includes a buoyant drum and one or more titanium barbs. The buoyant drum includes a cork filed cylinder. The one or more barbs include a bent portion and a sharpened distal end. A third component of the drain float is a tubular adaptor of a sufficient size to receive the first end of the pivot shaft. Such tubular adaptor may have an internal cavity with a diameter greater than the buoyant drum, as well as an opening which allows passage of condensate into a drain inlet. The drain float has an anti-microbial coating placed on the barbed float, pivot shaft and tubular adaptor. | 12-22-2011 |
| 20130061944 | Systems and Methods for Water Conservation - A system is described herein comprising a diverter valve operable to divert at least a portion of water flowing through a first water line to a first volume; a first float valve controlling water flow from a second water line to a second volume; and a second float valve controlling water flow from the first volume to the second volume. | 03-14-2013 |
| 137101310 | With measuring type discharge assistant | 2 |
| 20140238504 | UREA COMMON RAIL - An exhaust system including a selective catalytic reduction (SCR) component and an oxidation catalyst component. The exhaust system also includes an exhaust treatment fluid injection system for dispersing an exhaust treatment fluid into an exhaust stream at a location adjacent either the SCR component or the oxidation catalyst component, wherein the exhaust treatment fluid injection device includes a common rail that provides the exhaust treatment fluid under pressure to a plurality of injectors that dose the exhaust treatment fluid into the exhaust stream. The exhaust treatment fluid injection device also includes a return rail for returning unused exhaust treatment fluid to the fluid source. Each of the common rail and return rail can be configured to allow drainage of the exhaust treatment fluid as a freeze-protection feature. | 08-28-2014 |
| 20150059866 | DEVICE FOR MEASURING PRESSURE AND CONTROLLING A FLOW - The invention relates to a system for measuring cell turgor pressure (dendroturgometer), which can also operate as a firmometer. The system can also be used as an automatic dripper, wherein in this embodiment it is kept pressed by means of a flattening plate ( | 03-05-2015 |
