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Document |
Document Title |
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8118080 |
Control valve body of automatic transmission and manufacturing method therefor
By pouring, by means of pressure, melted liquid of magnesium or magnesium alloy into a hollow portion which is formed using a casting mold, a valve body where a channel groove for hydraulic oil for...
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8096316 |
Valve systems for use with a fluid injector system
A valve system for use in a system including a first source of a first pressurized fluid and a second source of a second pressurized fluid includes a valve housing including a first inlet port...
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7726329 |
Discharge rate and pressure control solenoid valve
The inventive discharge rate and pressure control solenoid valve (1) is used for a circuit consisting of a low pressure part and a high-pressure part and controls the discharge rate of a...
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7146998 |
Hydraulic valve
A stepped down groove 53 is provided around the peripheral surface of a rod portion 43 of a spool 40 which faces a third oil groove 33. Both the axial ends 53a and 53b of the stepped down groove 53...
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6705339 |
Surge check unit for a liquid distribution system
A safety check unit for use in a liquid distribution system for preventing damage to a pump and associated components of the system in event of loss in pumping pressure. The unit provides a check...
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6273686 |
Apparatus and method for controlling a rated system pressure
The rated system pressure in a pressure control system is adjusted through a pressure relief valve (2). In addition to the pressure relief valve (2), the system includes a check valve (4), a...
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6196246 |
Freeze-resistant plumbing system in combination with a backflow preventer
A plumbing system which, when ambient outdoor temperatures drop below freezing, circulates water to prevent it from freezing, utilizing a check valve to prevent water from flowing back into the...
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6178998 |
Reverse flow prevention apparatus
A reverse flow prevention apparatus is provided so as to drastically decrease pressure loss without installing an independent pressure regulator mechanism therein. With the reverse flow prevention...
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5957148 |
Valve system having a deadman controlled actuating member in a vented chamber
A main valve receives fluid at an inlet and transmits the fluid to an outlet. The main valve has a rear face. A surge control servo valve responds to a load sense signal and moves between a closed...
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5950653 |
High pressure relief valve for use with a backflow preventer
A backflow preventer assembly installed between a supply line and a service line, comprising one or more check valves and a high pressure relief valve operating to discharge water in the service...
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5860442 |
Fluid pressure shutoff and relief valve
A safety valve for a preventing over pressure in a fluid processing system utilizing a fluid pressure regulator in a fluid supply line upstream from the processing vessel is formed by a valve,...
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5580817 |
Valve assembly
A valve assembly for a discharge device, in particular a steering pump, including a flow control valve for controlling flow from the discharge device to an actuator, and a pressure-limiting valve,...
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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...
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5135020 |
Pressure sequence valve
A pilot controlled sequence valve having a pilot valve and a main valve is provided. This sequence valve is preferably used for switching on and switching off a charging operation of a hydraulic...
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5099871 |
Low friction proportional unloading valve
A low friction proportional unloading valve mechanism for pressurized fluid circuits incorporating a valve housing forming primary and bypass fluid circuits. A normally closed unloading valve...
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5065784 |
Valve assemblies and means
An hydraulic valve assembly controls the supply of hydraulic fluid to an hydraulic strut of a vehicle suspension and is formed in a valve block having an hydraulic delivery line between a pump...
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4848390 |
Switching valve having hydraulic self-holding properties
Switching valve (1') with hydraulic self-holding properties, in which a s piston (11') having a closure piston element (15) connects or locks a pressure inlet (16') and a pressure outlet (17'), in...
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4722359 |
Valve arrangement for high pressure pumps
A relief valve for high pressure pumps is described which is characterized by its extremely compact construction and complete reliability against leakage. The relief valve has a valve ball in the...
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4616672 |
Pressure relief and drain valve
A pressure relief and drain valve includes a poppet valve on a valve body movable in a primary valve chamber between closed and open positions and spring biased to the closed position. A secondary...
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4518004 |
Multifunction valve
A valve combining in a single unit a multiplicity of functions including isolation, thermal and pressure relief, return check and bypass. The valve includes a pair of spool valves, one slidably...
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4440189 |
Corrosive fluid two way check relief valve
A check relief valve particularly suited for use with corrosive fluids includes a body having an input port and an output port connecting a fluid passageway therebetween. A ring spring is mounted...
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4246924 |
Valve arrangement
A valve arrangement is disclosed for controlling the supply of an operating fluid, having a casing with an inlet port, a main flow path provided with a non-return valve extending from the inlet...
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4237918 |
Unloader and check valve
A combined unloader and check valve for use with a motor driven air compressor (70) in which pressure trapped in the compressor head when the compressor is shut down is unloaded by means of an...
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4057072 |
Unloader valve
A valve housing has opposed inlet and outlet ports connected by a straight through first passageway. A one-way check valve is mounted in the passageway adjacent the outlet port. A bypass port...
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3971397 |
Pump unloading valve device
This invention relates to a pump unloader that includes two cylindrical valve members of the same diameter slidably mounted in the same bore and each biased in the same direction by its own spring....
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3890996 |
Installation for filling several pressure reservoirs, especially in motor vehicles
An installation for controlling the supply of fluid to a plurality of pressure reservoirs associated with respective vehicle fluid operating systems such as brake cycles, suspension systems, etc. A...
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3848619 |
IMPROVEMENTS IN PRESSURE-RESPONSIVE HYDRAULIC CONTROL VALVE ASSEMBLIES
In a pressure-responsive hydraulic control valve assembly means are provided for adjusting the force for closing the valve in opposition to opening pressure.
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3834413 |
UNIVERSAL HIGH PRESSURE REGULATOR
A universal high pressure air regulator which functions as a two stage constant running unloader and regulator when used in conjunction with a check valve, an excess air release and regulator where...
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3769791 |
FUEL SUPPLY SYSTEMS FOR GAS TURBINE ENGINES
A fuel supply system for a gas turbine engine has a positive-displacement pump driven by the engine a valve downstream of the pump having an inlet and two outlets. A control element varies flow...
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3599652 |
FLOW DIVIDER FOR THROTTLES
A device is disclosed for reducing flow distortion in a fuel control throttle valve consisting essentially of a flow guide disposed within a throttle valve. The flow guide reduces the effects of...
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3520321 |
VENTING VALVE FOR A BEVERAGE FILLER
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RE07333 |
Title is not available
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3451416 |
RELIEF VALVES
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3329153 |
Devices for maintaining the pressure in hydraulic circuits between two given values
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3283772 |
Backflow prevention device with improved pressure sensing means
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3270763 |
Pressure responsive valve
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3266426 |
Pump control
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3149555 |
Mixing and pumping apparatus
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3142259 |
Liquid pressure supply system
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3140722 |
Hydraulic unloader valves
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3114382 |
Backflow preventing valve
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3112757 |
Pressure control and unloader with air eliminator control button
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3068881 |
Make-up valve for air system
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3049141 |
Accumulator charging mechanism
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3017057 |
Liquid flow control system
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2997227 |
Unloader for rotary compressors
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2989972 |
Accumulator charging mechanism
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2875774 |
Unloader valve
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2813536 |
Hydraulic unloader valve
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2809588 |
Power transmission
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