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| Number | Title | Issue Date |
| 7249608 | Flow control for power steering The flow control device comprises a supply passage (2) for supplying hydraulic fluid discharged by a pump (1) to a power steering output section (8); a variable throttle section (3) situated at an intermediate position of the supply passa... | 07/31/2007 |
| 7195028 | Self-contained oxygen generator A self-contained oxygen generator containing a PSA unit and a flowmeter in the outlet line. The flowmeter provides a signal which represents the flow rate of the oxygen in the outlet line. A leakage circuit with a calibrated orifice and a solenoid valve are also loc... | 03/27/2007 |
| 7178511 | Apparatus for controlling a pressure in a fuel inflow line In an apparatus (12) for controlling a pressure in a fuel inflow line of a motor vehicle, a shutoff valve (20) and a pressure limiting valve (21) are arranged in a connection (19). The connection (19) is arranged between an inflow ... | 02/20/2007 |
| 7096856 | Fuel feed pump for internal combustion engines A fuel feed pump is provided that has a fuel flow-rate regulating valve, on the inlet side. The fuel flow-rate regulating valve includes a housing with a fuel inlet port and a fuel outlet port, a valve mechanism for controlling the flow rate of the fuel from the inl... | 08/29/2006 |
| 7063100 | Flow regulator with pressure relief combination valve A flow regulator with pressure relief combination valve is disclosed which can include a housing and a valve assembly. The housing can have a chamber and four ports. A cage, having a plurality of cross holes, is supported by the housing. A hollow spool is slidably d... | 06/20/2006 |
| 6915787 | Fuel supply apparatus and fuel pressure regulator A fuel supply apparatus having a fuel pressure regulator (60) for regulating the pressure of fuel discharged from a fuel pump (4) to a predetermined pressure, the fuel pressure regulator (60) including: a first chamber (62), formed in a c... | 07/12/2005 |
| 6908377 | Explosion protection venting system An explosion protection venting system has a plurality of vessels or reactors connected by a common vent line. A flame front diverter having a pair of opposing rupturable discs is connected to each one of a plurality of vessels for directing a deflagration away from... | 06/21/2005 |
| 6871661 | Combination fitting A combination fitting for flow control devices in an automotive power steering system having channels disposed in the fluid receiving end of the fitting. ... | 03/29/2005 |
| 6799599 | Valve The invention relates to a valve that comprises at least one pump connection (10), one tank connection (14) and one consumer connection (18), and a valve piston (22) that is displaced within the valve box (12). Said valve piston se... | 10/05/2004 |
| 6581623 | Auto-switching gas delivery system utilizing sub-atmospheric pressure gas supply vessels An auto-switching sub-atmospheric pressure gas delivery system, for dispensing gas to a gas-consuming process unit, e.g., a semiconductor manufacturing tool, without the occurrence of pressure spikes or flow perturbations.... | 06/24/2003 |
| 6289919 | Pressure regulating valve with integral damping A valve (20B) is provided is provided for regulating the pressure differential between a high pressure side (16) and a low pressure side (18) of a fluid system component (14). The valve (20B) utilizes a damping washer (60) to restrict the flow of fluid fr... | 09/18/2001 |
| 6280159 | Valve arrangement and pump for a gear system The invention relates to a valve arrangement with a pressure limiting valve and a flow regulator valve, which comprises a flow regulator piston, having at least one first hydraulic resistor, distinguished in that the flow regulator valve's (5) flow regula... | 08/28/2001 |
| 6182503 | On-line rheological measurement for process control On-line rheological measurements are made on a process flowing material, such as a polymer melt, utilizing a rheometer of the type in which an inlet pump delivers a relatively large volumetric flow of diverted process material from a process main stream t... | 02/06/2001 |
| 6170508 | Fluid flow regulating valve and method A valve for regulating the rate of flow and/or the pressure of oil flowing to a transmission or another consumer in the power train of a motor vehicle has a piston which defines with the valve housing a chamber for one or more springs and for oil being ad... | 01/09/2001 |
| 6135135 | Force balanced proportional bypass valve An unbalance compensated bypass valve (23) for a gas turbine engine fuel supply system is responsive to the fuel pressure differential across a fuel metering valve (15) to open and close a bypass orifice (37, 39, 41). The bypass valve (23) selectively sup... | 10/24/2000 |
| 6116263 | Proportional priority flow regulator with reverse flow control An inventive priority flow regulator comprises a valve assembly which is supported by a housing at one end and confines an electro-magnetic actuator at the other end. The housing has an inlet port, an outlet port, and a regulated port. The valve assembly ... | 09/12/2000 |
| 5549131 | Automatic recirculation valve An automatic recirculation valve having a body portion, a central hub integral with said body portion and inlet, main outlet and recirculation outlets. A main valve element responsive to flow from said inlet to said main outlet includes a hollow stem form... | 08/27/1996 |
| 5535768 | Method and apparatus for reducing damper operating pressure A method and apparatus for venting the seal air pressure within an isolated system so as to obtain a relatively small, in the range of 4 to 8 inches water gauge more or less, pressure differential across the isolation dampers. This small pressure differen... | 07/16/1996 |
| 5522369 | System and method for controlling delivery of gaseous fuel to an internal combustion engine A fuel delivery system which includes a source of pressurized fuel (18-22), at least one fuel injector (14) in fluid communication with the source (18-22), a pressure regulator (34) for delivering the pressurized fuel to the fuel injector (14), a pressure... | 06/04/1996 |
| 5472009 | Fluid regulator A fluid regulator has two valve bodies (24, 25) placed opposite and cooperating with two openings (22, 23) for controlling the fluid flow from an inlet chamber to two outlet chambers. A spindle (34) interconnects the valve bodies (24, 25) at a predetermin... | 12/05/1995 |
| 5464121 | Precision fluid dispersing apparatus and method A precision liquid reagent fluid dispensing apparatus (10) and method includes a continuously operating pump (16) inducting and pressurizing ambient air. The pressurized air is delivered at a first location into a flow-through volume (18) with provision t... | 11/07/1995 |
| 5454784 | Control valve for a fluid set An irrigation system contains a safety relief valve and a safety relief valve control valve. The safety relief valve control valve acts to modulate the operation of the safety relief valve when there is flow from an outflow port. By this mechanism high fl... | 10/03/1995 |
| 5409032 | Pressure washer bypass valve An improved fluid bypass valve includes a valve housing having an inlet port, an outlet port and a bypass port, all of which are in fluid communication with a valve chamber within the valve housing. A shuttle having a fluid passage therein is disposed wit... | 04/25/1995 |
| 5385455 | Flow control valve An electronic variable orifice flow control valve includes a valve body mounted on a hydraulic pump housing in a valve bore of the housing, a valve seat on the valve body, a metering rod cooperating with the vale seat in defining a variable orifice, and a... | 01/31/1995 |
| 5385305 | Fuel injection nozzle A fuel injection nozzle has a tubular body adapted to receive fuel from a fuel line. A restriction member received at the inlet end of the tubular member limits the flow of fuel into the nozzle and is adjustable between minimum and maximum flow rates. The... | 01/31/1995 |
| 5293952 | Hydraulic fluid supply system for an installation in a motor vehicle having power assisted steering with a pressure regulation value connected to the main and secondary circuits The steering of a motor vehicle is assisted by a power steering means including a hydraulic distributor which is supplied with pressurized fluid by a pump from a reservoir. The vehicle also has a clutch having hydraulic servo assistance supplied by a serv... | 03/15/1994 |
| 5174339 | Fluid flow control valve A fluid flow control valve includes a first spool member (1) the position of which controls an output fluid flow from the valve, and a control (23, MP) which controls the position of the first spool member (1), a second spool member (6), independent of th... | 12/29/1992 |
| 5160514 | Sweep valve for dehydration valve A novel gas recycling valve for use with a hollow fiber gas dehydration module is disclosed, which allows a predetermined portion of the dried product gas to be returned as a sweep gas at a steady state, and automatically responsive to the feed gas flow r... | 11/03/1992 |
| 5145328 | Fuel supply unit for an oil burner A gear pump receives fuel oil from an intake line leading from a storage tank and supplies pressurized fuel to a regulating valve which selectively opens and closes to control the flow of fuel to an oil burner. When the pump first starts but before the re... | 09/08/1992 |
| 5137046 | Fluid metering apparatus A fuel control apparatus for supplying metered fluid at a variable pressure to a turbine engine in response to an electrical signal. A solenoid responds to the electrical signal to vary the flow rate of the fluid to an outlet and to regulate the pressure ... | 08/11/1992 |
| 5038822 | Flow rate control valving apparatus A flow rate control valving apparatus includes a housing, a plug connector, and a tubular member. The housing has a valve bore in which a spool is movably housed. The plug connector is provided opposite to one end portion of the spool to form a high-press... | 08/13/1991 |
| 4917139 | Flow control apparatus for a power steering device There is disclosed a flow control apparatus for a power steering device in which an operating fluid discharged from a pump is delivered to a power steering device through a restricted passage, and the fluid flow is adjusted by a spool valve movable in res... | 04/17/1990 |
| 4878514 | Heater control valve with flexible deflector A heater control valve comprising: a valve body defining a chamber and a bypass passage extending therefrom. A first conduit in fluid communication with the bypass passage for defining a first inlet port and a first exit port adapted to communicate coolan... | 11/07/1989 |
| 4805658 | Variable pressure regulating valve A pressure regulating valve 10 determines a fixed constant pressure drop across a metering valve 16 at a given altitude by comparing ambient pressure with a vacuum. Evacuated bellows 76 reacts with changes in altitude to bias a poppet 54 via rod 90, adjus... | 02/21/1989 |
| 4633699 | Continuous extrusion apparatus Continuous extrusion apparatus for continuously deforming an elongated workpiece of indefinite length (e.g. rod) to produce an elongated product of indefinite length (e.g. wire) is disclosed wherein the improvement includes combination of structure for ma... | 01/06/1987 |
| 4589437 | Reel speed valve assembly A reel speed valve assembly for controlling the speed of a combine reel including a double acting compensator valve, a proportional controller valve, a relief valve, a load sense valve, and a manually adjustable controller valve may be operated as either ... | 05/20/1986 |
| 4494560 | Self-priming system for liquid pumps A self-priming pump system incorporating a priming valve to release a quantity of priming liquid upon loss of pump suction. The valve includes a piston connected to a valve member, the piston having an area greater than that of the valve member. Discharge... | 01/22/1985 |
| 4456025 | Regulator for high volume air flow control A regulator is provided for controlling air flow at high volume at either low vacuum or low pressure levels. The regulator includes an accumulator chamber having a first opening for providing flow of air from the accumulator chamber to a plenum and a seco... | 06/26/1984 |
| 4400938 | Hydraulic fluid feeding device for power steering device A hydraulic fluid feeding device for a power steering device is proposed which has a plurality of pumps for feeding hydraulic fluid to the power steering device and a flow path change-over valve for switching the paths between the pumps and the power stee... | 08/30/1983 |
| 4388941 | Apparatus for producing a rotary speed-dependent control pressure The invention relates to a device for producing a control pressure which corresponds to a rotary speed imparted to a shaft of a pump which is a part of the device. The device includes a measuring orifice formed by a fixed throttle and a control orifice fo... | 06/21/1983 |
