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Class 251/52 - Chamber fills on closing of main valve


Subclass of Class 251 - Valves and valve actuation
Definition: Subject matter in which fluid flows into the expansible
No. of patents: 41
Last issue date: 03/18/2008


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NumberTitleIssue Date
7344569Closed position maintainable selector valve, knee torque device using the valve, and artificial leg
A selector valve capable of maintaining a closed position for a while even if an operating force to a valve element (80) is eliminated when the selector valve (10) is switched from a closed position (braking state) to an open position. The valve elemen...
03/18/2008
7325781Automatic bathroom flushers with modular design
A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou...
02/05/2008
7188822Enclosures for automatic bathroom flushers
A bathroom flusher includes a flusher body, a valve assembly, an electronic control system, and a flusher cover. The flusher body includes an inlet and an outlet, and is designed to accommodate the valve assembly that controls water flow between the inlet and the ou...
03/13/2007
7156363Bathroom flushers with novel sensors and controllers
A bathroom flusher (10) includes a body having an inlet (12) in communication with a supply line and an outlet (16) in communication with a flush conduit, a valve assembly in the body positioned to close water flow between the inlet and the outl...
01/02/2007
7143997Plug 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
7073771Porous valve assembly
A valve assembly for controlling the flow of a predetermined fluid, including a tube having an open end forming an outlet port, and wherein the tube is made of a material that is porous with respect to the predetermined fluid, an outer wall forming a fluid chamber c...
07/11/2006
7069941Electronic faucets for long-term operation
An electronic faucet (10) mounted on a countertop (12) includes a housing, at least one fluid inlet line (24a, 24b) extending into the housing, a fluid outlet (46) from the housing, a solenoid (142, 143) for op...
07/04/2006
6810909Solenoid operated pressure control valve
A solenoid operated three port pressure control valve assembly of the exhaust pressure bleed type. The valve for the inlet pressure supply port includes a pressure responsive diaphragm with the supply port obturator attached. A bleed orifice in the diaphragm provide...
11/02/2004
6739572Timing lock device for a faucet
A timing lock device for a faucet includes a valve seat, a top cover, a locking washer, a relief rod, a locking valve shaft, and a compression spring. In use, the relief rod may be used to release the water pressure in the pressure storage chamber of the top cover. ...
05/25/2004
6708725Valve, particularly solenoid valve
The invention concerns a valve, particularly a solenoid valve, with an inlet connection and an outlet connection, having between them a shut-off device with a valve seat and a closure member. In such a valve, it is endeavoured to obtain a small output with a simple ...
03/23/2004
6666231Solenoid valve
The invention relates to a solenoid valve with an inlet connection and an outlet connection, having between them a blocking device with a valve seat, a closure member and an armature, which influences a position of the closure member in relation to the va...
12/23/2003
6357480Pressure control valve
A valve of the present invention has housing and a piston member. The piston member is housed in the housing so that it moves between first and positions. The housing includes a piston chamber for guiding the piston member between first and second positio...
03/19/2002
6296091Suspension control unit and control valve
A suspension control unit as well as a control valve for such unit are provided which are incorporated in a computerized suspension system which automatically and continuously monitors and control's a vehicle's ride performance. The suspension control uni...
10/02/2001
6289919Pressure 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
6286533Metering valve assembly
A metering valve assembly for use in sanitary applications and method of use is disclosed. The metering valve assembly has a relief valve hydraulically controlling a pilot valve covering a water supply inlet. The relief valve is controllably closed by a d...
09/11/2001
6113012Rate shaped fuel injector with internal dual flow rate office
A fuel injector nozzle assembly includes a nozzle body that defines a nozzle outlet. A needle valve member is positioned in the nozzle body and moveable between a first position in which the nozzle outlet is blocked and a second position in which the nozz...
09/05/2000
5988533Magnetic valve controlled fuel injector
In a magnetic valve controlled fuel injector for a multi-cylinder internal combustion engine with a nozzle needle movably disposed in the injector housing and spring-biased onto a nozzle needle seat wherein high pressure fuel supplied to the nozzle needle...
11/23/1999
5941267Electrically controlled flow regulator valve with transient dampening
An electrically controlled flow regulator valve assembly having a diaphragm operated pressure regulator valve with a solenoid operated valve for by-passing the diaphragm to control flow to the regulator valving chamber. In one embodiment the regulator val...
08/24/1999
5918627Safety valve
A safety valve of the type that includes a sleeve (1) with a high pressure port (11) and a low pressure port (12); a valve seat (2) and a poppet (3), both slidably inserted in the sleeve and adapted to be brought together to provide a valve interface that...
07/06/1999
5878965Internally wetted cartridge control valve for a fuel injector
A control valve, preferably for use with a fuel injector, includes a valve body defining a solenoid cavity, an inlet passage, an outlet passage and a metering passage extending between the solenoid cavity and the outlet passage. A solenoid is mounted in t...
03/09/1999
5868160Two-way insert valve
A two-way insert valve having an insert assembly which can be installed in a receiving bore hole and having a valve cover for closing the receiving bore hole, the insert assembly consisting of two parts, has a bush with several radial passages and with an...
02/09/1999
5791628Valve for a hydraulic brake system for motor vehicles
An electromagnetically actuatable valve that reduces the locking force of the valve has a seat valve, which can be transferred to a closing position counter to the force of a prestressed restoring spring. A valve seat communicates with an inflow side, and...
08/11/1998
5720315System for controlling flow through a process region
A regulator for maintaining a constant partial vacuum in a region, such as in a piece of process equipment or a fume hood. The regulator includes a path, through which fluid passes from the region to the vacuum source, and a movably mounted piston. The pi...
02/24/1998
5687760Flow regulator
A regulator including a movably, preferably hingedly, mounted member having a distal face, exposed to a reference pressure, and a frontal face, exposed to fluid passing through the regulator. Attached to the member is a structure that variably impedes flu...
11/18/1997
5597011Flow regulator
A regulator including a movably, preferably hingedly, mounted member having a distal face, exposed to a reference pressure, and a frontal face, exposed to fluid passing through the regulator. Attached to the member is a structure that variably impedes flu...
01/28/1997
5451030Metering valve
A metering valve includes a valve body with an inlet passage and an outlet passage defined therein, and a movable stem member disposed between the inlet passage and outlet passage. An inner sleeve member is configured within the valve body and has an inne...
09/19/1995
5348269Inline pneumatic/mechanical flow control valve system
A timed watering system for lawns, gardens, and the like, utilizing a flow actuated timer valve. The system is configured to provide a reliable and cost effective, easily implemented system for automatically dispensing a pre-determined amount of water on ...
09/20/1994
5203376Self-shutting egress valve
A self-shutting egress valve comprises a hollow valve body having an annular valve seat provided in a lower portion thereof, a valve piston movably positioned within the valve body and having an escape valve provided on an upper portion thereof, and a pus...
04/20/1993
4981160Structure of water tap with improved flow rate control mechanism
A water tap, which comprises a housing having an outer cap mounted on its water supply outlet to secure therein a water intake cap, a control shaft, a control bolt and a ring-shaped element. The control shaft comprises an upper circular groove with a stop...
01/01/1991
4940206Faucet
A faucet of which the displacement of the valve cock is controlled through pressure equilibrium effect, which includes a draw-off tap assembly comprised of a casing, a valve cotter, a valve cock, a sealing plug, wherein said valve cock is mounted on said ...
07/10/1990
4784368Self-closing valve for sanitary installations
A self-closing valve assembly for sanitary installations is disclosed. The valve assembly includes upper and lower valve housings which define a metering chamber that is normally filled with a metering fluid. A metering means, shiftably mounted in the low...
11/15/1988
4682531Apparatus and method for regulating the rate of change of flow of a fluidized medium
A control valve for limiting the flow rate of a fluidized medium to a hydraulic motor during start up of the motor so as not to induce loads which exceed predetermined torque limits of apparatus driven by the motor. The control valve includes a poppet whi...
07/28/1987
4651907Method and apparatus for dispensing a fluid using a fluid-operated timer
A preferred cleaning system (10) is disclosed which includes a hydraulic timer valve (22) which is in fluid communication with a cleaning chemical dispenser (14) and a water supply (12). The hydraulic timer valve (22) preferably includes a bearing arrange...
03/24/1987
4648559Electromagnetically actuatable fluid valve
A duty-cycle type electromagnetic injector assembly has a valve and cooperating valve seat with the valve being positioned away from or against the valve seat depending upon whether an associated electrical coil is energized; a housing generally contains ...
03/10/1987
4646976Magnetic valve, in particular a fuel quantity control valve
A magnetic valve, in particular a fuel metering valve for fuel injection systems of internal combustion engines, is proposed which serves to measure the injection quantity and control the instant of injection. In a valve housing, the magnetic valve has an...
03/03/1987
4570899Adjustable slow closing valve assembly
An adjustable slow closing valve assembly includes a valve body having a bore to receive a valve cartridge with inlet and outlet ports communicating with the bore, the valve cartridge having a tubular retainer providing means defining a valve seat and mea...
02/18/1986
4520992Slow-closing valve mechanism
A slow-closing valve mechanism for controlling metered flow of water for a predetermined time interval from a main inlet to a main outlet in which a timing chamber is provided with a valve seat at one end and an inwardly adjacent main flow inlet and a ble...
06/04/1985
4287954Subsurface safety valve
A subsurface safety valve having a flapper-like pivoting closure element that is moved to and from the open and closed positions by a reciprocating operator assembly. When moved to the open position, the closure element is pivoted out of the flow path to ...
09/08/1981
4223693Counterbalance valve
A counterbalance valve assembly for use in a hydraulic system of the type including a hydraulic cylinder for raising and lowering a load provides gradual and continuous exhaustion of hydraulic fluid from the cylinder to facilitate smooth lowering of the l...
09/23/1980
4202526Valve
The valve having a casing with an inflow and outflow connection which can be separated from or connected to one another by means of a movable valve member which can be brought to bear against a valve seat, the movable valve member being provided with a da...
05/13/1980
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