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| Number | Title | Issue Date |
| 7278447 | Co-axial solenoid actuator An actuator assembly comprised of: a first coil and a second coil, each with a bore and a producing a magnetic flux when subject to an electric signal; a tube extending through the bores such that coils are coaxial; a magnetic pole piece within the tube and generall... | 10/09/2007 |
| 7246787 | Solenoid valve assembly A valve assembly comprised of a solenoid coil, having a coil bore, and being operative to produce a magnetic field when subject to an electric signal, a fixed magnetic pole piece within the coil bore, a generally cylindrically and axially translatable armature with ... | 07/24/2007 |
| 7143997 | Plug assembly for a faucet to automatically stop water flow A plug assembly for a faucet includes a casing adapted for engagement with the faucet, a cylinder securely received in the casing and having an isolator having a tapered through hole defined through the isolator and slits to communicate with the outlets of the cylin... | 12/05/2006 |
| 7134580 | Spout assembly for dispensing liquid from a nozzle Spout assemblies are provided for dispensing liquid from a nozzle. ... | 11/14/2006 |
| 6971232 | Hydraulic drive system and improved control valve assembly therefor A control valve assembly (43) for use in a system in which a pump-motor unit (35) can either receive drive torque from a drive-line (17) or transmit torque thereto. The system includes a high pressure accumulator (41) and the control valv... | 12/06/2005 |
| 6951317 | Vehicle, lightweight pneumatic pilot valve and related systems therefor A vehicle, such as a missile, with a pilot valve system controls the vehicle's thrust valves despite a hostile propellant gas environment. The pilot valve system can have one or more pilot valves. Using refractory elements, the pilot valve ball reciprocates between ... | 10/04/2005 |
| 6941893 | Fluid delivery system A fluid delivery system for delivering a fluid from a fluid bag to an animal caging system for housing an animal may comprise a fluid delivery valve assembly, wherein the fluid delivery valve assembly is adapted to be coupled to the fluid bag to facilitate the provi... | 09/13/2005 |
| 6912971 | Valve arrangement and assembly for dispensing a liquid from a container to an animal An assembly (2) for dispensing a liquid (4) from a container (6, 54, 58) to the mouth (8) of an animal, on demand of the animal. The assembly comprises a sealed container at least partially filled with the liquid and a valve arrangement (... | 07/05/2005 |
| 6779496 | Pressure reservoir for exerting pressure on a hydraulic system, with which preferably a gas exchange valve of an internal combustion engine is actuated A pressure reservoir is used to exert pressure on a hydraulic system with which, a gas exchange valve, for instance, of an internal combustion engine can be actuated. The pressure reservoir includes a housing and a piston that is prestressed in operation by a device... | 08/24/2004 |
| 6715999 | Variable-capacity scroll-type compressor In a compressor at least one bypass valve is arranged in a low-pressure zone inside a casing of the compressor. The bypass valve defines a chamber connected by a first duct to at least one compression pocket situated in the peripheral zone of the compression stage a... | 04/06/2004 |
| 6318406 | Pilot operated relief valve A pilot operated safety relief valve (14) having a main piston valve member (26). A dome chamber (42) is provided in the valve body (18) over piston valve member (26) and a cap (44) forms a closure for dome chamber (42). A pilot valve (46) is mounted on t... | 11/20/2001 |
| 6311947 | Valve assembly An on/off valve (O/OV) and directional valves (DV1, DV2) are packaged with a switching valve system (10) in a housing assembly (156, 157, 158, 160). The on/off valve (O/OV) is operated by a control handle (154) that is located at one end of the housing as... | 11/06/2001 |
| 6241211 | Plate valve The invention relates to a plate valve (1) as used for the actuator of a control valve. It comprises an inlet (2) with a sealing seat (3) around which the openings of the outlet (7) are arranged, and it has two plates (4), (5), between which there is an i... | 06/05/2001 |
| 6209580 | Multifunction valve assembly An on/off valve (O/OV) and directional valves (DV1, DV2) are packaged with a switching valve system (10) in a housing assembly (156, 157, 158, 160). The on/off valve (O/OV) is operated by a control handle (154) that is located at one end of the housing as... | 04/03/2001 |
| 5628489 | Unibody master-slave discharge valve assembly for CO2 systems A master/slave discharge valve assembly for pressurized fluid containment systems includes a primary valve chamber, for connection to a fluid pressure source, formed by an eccentrically disposed first longitudinal bore and a secondary valve chamber define... | 05/13/1997 |
| 5542384 | Hydraulic engine starting equipment Hydraulic equipment used for starting engines utilizing a source of hydraulic fluid under pressure. The fluid under pressure is supplied to an engine starter motor through a valve assembly without causing shock loads, wherein the valve assembly comprises ... | 08/06/1996 |
| 5452747 | Sprinkler flow control apparatus and method A device for distributing pressurized water to a plurality of sprinkler lines is provided. The valve and valve control portions are centralized, and thus no electrical connection to remote locations is required. The valve system is modular so as to permit... | 09/26/1995 |
| 5417402 | Shutoff and pressure regulating valve A fluid pressure control apparatus having a main valve and a pilot valve for moving the main valve to a shutoff position as a function of the fluid pressure in a supply fluid. The pilot valve is connected to receive supply fluid having a fluid pressure Ps... | 05/23/1995 |
| 5361426 | Hydraulically controlled pressurized water closet flushing system A pressurized water closet operating system comprises an accumulator vessel having a flush valve assembly mounted internally thereof both of which are connected at all times to a source of water under pressure. A remote control valve hydraulically conditi... | 11/08/1994 |
| 5213124 | Pressure-actuated valve A pressure actuated valve having a diaphragm assembly for receiving any one of a plurality of interchangeable restrictor elements of varying passageway diameter for changing the rate of valve closure and for servicing clogged passageways is disclosed. The... | 05/25/1993 |
| 5181538 | Multiple stream fluid mixing and dispensing apparatus An improved multiple stream, fluid mixing and dispensing apparatus for automatically regulating flow rate for one or more preset fluid flows including a plural station, fluid flow rate console assembly adapted for cooperating with the standing hydraulic p... | 01/26/1993 |
| 5178359 | Porportional pressure control valve A proportional pressure control valve has a metering spool which selectively meters flow between an axial first port and radial second ports. The spool is axially reciprocable with a larger face toward the first port and a smaller face opposite from the f... | 01/12/1993 |
| 5174545 | Contamination resistant bleed valve A bleed valve (20) includes a reciprocating sliding element (42) with a circular head (48) joined to an annular wall (50). An annular first chamber (52) defined by the wall (50), the head (48), and the central support (30) has a variable volume dependent ... | 12/29/1992 |
| 5131622 | Metering valve for water faucet A metering valve for water faucet that is triggered at the water discharge by a light touch on the trip stem so that the hand that triggers the valve is ready at the washing position at the start of the water flow. The disclosed metering valve consists of... | 07/21/1992 |
| 4991625 | Multiple stream fluid mixing and dispensing apparatus An improved multiple stream, fluid mixing and dispensing apparatus for automatically regulating flow rate and temperature for one or more preset fluid flows for connection to domestic water delivery systems including a plural station, fluid flow rate and ... | 02/12/1991 |
| 4784367 | Scavenge valve for a two-cycle engine A method and system, including a valve (32) for controlling the amount of fluid purged from a cylinder (12) of a two-cycle engine prior to the combustion of an air-fuel mixture within the cylinder especially during low demand periods of engine operation. ... | 11/15/1988 |
| 4782204 | Adapter for control of gas flow to a gas-constricted arc nozzle or the like The invention contemplates an adapter for easily converting existing gas metal arc welding apparatus to serve the relatively elevated gas-flow requirements of a gas-constricted arc nozzle. The adapter makes it possible to utilize a shop-air or other high-capac... | 11/01/1988 |
| 4739795 | Flow control valve In order to provide a control valve for reducing the pressure of a fluid flowing through a system, while also achieving the pressure reduction in an acoustically damped manner, the flow control valve utilizes a pressure reduction chamber for reducing flui... | 04/26/1988 |
| 4669500 | Check valve actuator The invention disclosed herein relates to a check valve actuator for opening and closing a check valve, utilizing system pressure. The check valve actuator is comprised of a piston connected to a clapper assembly by a connecting rod. The piston is slideab... | 06/02/1987 |
| 4662395 | Pressurized liquid flushing valve arrangement with a shut-off sleeve A flushing valve arrangement for controlling the flow of a pressurized flushing liquid includes a housing unit including an inlet and an outlet for the flushing liquid and a housing which bounds a flow passage that connects the inlet with the outlet. The ... | 05/05/1987 |
| 4662600 | Adjustable throttle valve An adjustable throttle valve is controlled by a low pressure control pressure acting on a spring urged adjusting cylinder for positioning the end of a follow-up piston adjacent the end of a discharge channel extending the length of a throttle piston; powe... | 05/05/1987 |
| 4624441 | Inflation valve A pilot-operated valve suitable for pontoon inflation arrangements contains a main valve poppet urged against a valve seat connecting the inlet and outlet ports of the valve. A portion of the inlet pressure urges a piston carrying the valve poppet away fr... | 11/25/1986 |
| 4603832 | Solenoid actuator with bleed screw A bleed screw is built into a solenoid actuator used to control a diaphragm controlled valve so that the valve can be opened manually by means of the bleed screw or remotely or automatically through use of the solenoid. Both the bleed screw and the soleno... | 08/05/1986 |
| 4596269 | Differential pressure-actuated valve with clean bias chamber A differential pressure-actuated valve with a piston slidable to open or to close an inlet port. The piston slides in a cylindrical wall, and separates a bias chamber and a flow chamber. The piston is fitted with two oppositely-directed lip seals, one of ... | 06/24/1986 |
| 4575042 | Pneumatically amplified conservation valve A pneumatically amplified conservation valve controls a flow of gas, such as oxygen, to a hospital patient. A sense tube monitors pressure variations as a result of exhalation by the user. The exhalation pressure variation deflects a diaphragm which close... | 03/11/1986 |
| 4561466 | Valve for supplying flow media The valve for supplying a flow medium to a flow medium pipe which alternatingly carries different flow media, in particular to the flow medium pipe of a converter for treating the contents of a converter with various gaseous flow media, exhibits a chamber... | 12/31/1985 |
| 4553732 | Solenoid controlled flow valve A pilot operated flow regulating valve which can be remotely controlled by varying the energization to a solenoid. The valve consists of a normally-closed, spring-biased, pressure-differential-actuated, main valve element and a pressure-compensated, pilot... | 11/19/1985 |
| 4549715 | Apparatus for providing a gaseous pressure pulse The present invention is directed to an apparatus (10) for providing a gaseous pressure pulse. Apparatus (10) includes a container (12) having an exhaust path through ports (30) and (26) of a first valve (20) when a space (32) above a ball closure element... | 10/29/1985 |
| 4382577 | Shut-off valve for liquid or gaseous fluids A valve housing with a horizontal partition between an inlet port and an outlet port coacts with a hollow plunger which is vertically displaceable above that partition and has a lower end fitting into an aperture thereof traversed in an upward direction b... | 05/10/1983 |
| 4360036 | Thermostatic self-powered drain valve A water or other fluid containing system is protected by a thermostatically controlled drain valve having input, output, drain and control ports. A slideable barrier within the valve selectively directs the flow within the valve between the ports. A small... | 11/23/1982 |
