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| Number | Title | Issue Date |
| 7527237 | Valve actuation velocity control device The present invention is directed for use in a valve assembly including a housing having an axis and defining an interior, with fluid provided in the housing and substantially filling the housing interior, a valve stem disposed in the housing interior and a piston a... | 05/05/2009 |
| 7438089 | Hydraulic pilot control unit with oscillation damping system The present invention relates to the field of units for hydraulic pilot control of directional-control valves used in the fabrication of mobile vehicles and particularly relates to a hydraulic pilot control with an oscillation damping system. Connections are provide... | 10/21/2008 |
| 7118088 | Fluid control valve To provide a fluid control valve which is capable of preventing or suppressing degradation of the accuracy of flow rate control dependent on the lift amount of a valve element from a valve seat. An expansion valve is configured such that a valve portion and a valve ... | 10/10/2006 |
| 7093615 | Water saving faucet valve A water saving faucet valve includes an elongated body having inlet and outlet ends, and high and low pressure chambers interconnected by a coaxial flow channel. A valve stem is slidably retained in the flow channel to move between a lowered position, in which water... | 08/22/2006 |
| 7082967 | Modular umbrella valve An umbrella valve includes an elastic cap, and an elastic stem formed integrally with the cap, having a center hollow portion, having an enlarged hollow portion proximate the cap, and having a bottom. The valve has a needle having an enlarged head at a proximal end ... | 08/01/2006 |
| 7069941 | Electronic 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 |
| 7025327 | Valve actuation velocity control device For use in a valve assembly including a housing having an axis and defining an interior, with fluid provided in the housing and substantially filling the housing interior, a valve stem disposed in the housing interior and a piston attached to the valve stem, wherein... | 04/11/2006 |
| 6935364 | Magnetically-operated relief valves A valve comprising a housing having an inlet and spaced therefrom an outlet, a passageway extending between the inlet and the outlet, and a mechanism located in the passageway for controlling the flow of a fluid between the inlet and the outlet, the mechanism includ... | 08/30/2005 |
| 6929029 | Faucet for preventing cold water from flowing to hot water tube A water control valve of a faucet comprises a water control body; a water-stop ring having a water outlet slot; a water guiding disk having a round shape; a lateral surface of the water guiding disk being formed with a protrusion for resisting against a lower annula... | 08/16/2005 |
| 6318646 | Fuel injector A fuel injector comprising a main tubular body provided with at least one through duct that terminates in a spray nozzle adapted to atomise the fuel contained in the through duct, a shutter member moving axially in this through duct from and to a closed p... | 11/20/2001 |
| 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 |
| 6286533 | Metering 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 |
| 6199585 | Directional-control valve A directional control valve has an axially displaceable control piston inside a valve housing and a travel sensor arranged on the valve housing to detect the position of the control piston. The sensor includes a travel sensor tube which is pressure tight ... | 03/13/2001 |
| 6168091 | Low noise electronically actuated oil valve and fuel injector using same A hydraulically actuated fuel injector includes an injector body that defines a high pressure passage, a low pressure passage, a control passage, a fuel inlet, and a nozzle outlet. The injector body includes upper surface and a lower surface that partiall... | 01/02/2001 |
| 6145805 | Liquid control valve assembly with local damping and hydraulically actuated fuel injector using same A hydraulically actuated fuel injector comprises a valve body and a stepped valve member. The valve body has a wide bore portion and a narrow bore portion. The stepped valve member has a wide member section and a narrow member section. The wide member sec... | 11/14/2000 |
| 6050285 | Pressure balancing valve A pressure balancing valve and method of assembly is disclosed. The valve includes a pressure balancer cartridge having a poppet assembly made up of releasably connectable poppet valves movably mounted on opposite sides of a diaphragm. The pressure balanc... | 04/18/2000 |
| 6041809 | Two stage flush control valve assembly A control valve assembly for flushing a sanitary fixture includes a burst valve for supplying flush water flow at the beginning of a flush cycle and an independently controlled bypass valve for providing trap reseal flow after the burst valve closes. The ... | 03/28/2000 |
| 5682624 | Vacuum relief safety valve for a swimming pool filter pump system A method and device are provided for preventing a child or an object from being trapped by suction to a drain of a swimming pool filter pump system. The invention entails a safety valve capable of causing the filter pump to immediately lose its prime when... | 11/04/1997 |
| 5566716 | Hydraulic control valve A hydraulically operated control valve with a cam member that pivots toward one or the other side of the neutral position in response to an operating member. A pair of push rods each with a piston interposed between the cam member and one of a pair of spo... | 10/22/1996 |
| 5451030 | Metering 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 |
| 5423602 | Fluid pressure control valve A fluid pressure control valve suitable for a pressure intensifying valve of an automotive anti-skid brake control system comprises a valve housing, a solenoid attached to the valve housing, a plunger slidably enclosed in the valve housing and having a ma... | 06/13/1995 |
| 5375576 | Damped actuator and valve assembly for an electronically-controlled injector An actuator and valve assembly for an electronically-controlled injector is disclosed which comprises an electrically-energizable actuator assembly and a device for communicating, collecting and draining damping fluid with respect to at least one cavity o... | 12/27/1994 |
| 5323809 | Hydraulic solenoid valve A hydraulic solenoid valve includes a valve housing with bores for receiving a hydraulic medium and having at least one consuming device connection and a return connection connected to the bores. A piston is connected within the valve housing and has at l... | 06/28/1994 |
| 5295654 | Metering valve A metering valve for controlling fluid flow is provided which includes a piston assembly disposed between a fluid inlet and a fluid outlet and mounted for relative movement within a tubular unit between a first open mode, a second open mode connecting the... | 03/22/1994 |
| 5203376 | Self-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 |
| 5165652 | Electromagnetic valve having a throttle path connected to a damping chamber The coil arrangement of an electromagnetic valve has a stationary core that is provided with a stop face for having one end of an armature abut thereagainst. The stop face and the one end of the armature is located in a damping chamber, the other end of t... | 11/24/1992 |
| 4949752 | Thermally compensated noise control device for a solenoid-actuated valve The present invention is a thermally compensated noise control device for a solenoid-actuated valve. The device includes a thermally expanding ring which varies the amount of clearance between a damper assembly and a passageway in which the damper assembl... | 08/21/1990 |
| 4915186 | Hydraulic steering systems dampening devices The present invention is directed to a mechanical hydraulic pressure dampening devices for use in a steering system of an articulated self-propelled work vehicle. The dampening devices are hydraulically positioned between the steering cylinders of the wor... | 04/10/1990 |
| 4784368 | Self-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 |
| 4682531 | Apparatus 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 |
| 4656924 | Pulsation limiter for manually actuated hydraulic valve A pulsation limiter for a manually actuated hydraulic valve includes a spring biased, motion retarding plunger in an auxiliary bore within the valve housing and having a helical groove disposed on its periphery abuts against the input sleeve during the in... | 04/14/1987 |
| 4603710 | Non-return valve The non-return valve comprises a housing provided with an inlet connection, a coaxial installation opening, and an outlet connection. An insert is secured in the installation opening to define a chamber with a cover on the valve. A movable valve body mean... | 08/05/1986 |
| 4570899 | Adjustable 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 |
| 4522230 | Orifice plate seal ring for controlled closure check valve A check valve is comprised of a body having inlet and outlet passages and a cylindrical chamber within the body, the axis of which forms an angle with the axis of the inlet and outlet passages. An orifice plate in the cylindrical chamber divides the chamb... | 06/11/1985 |
| 4484726 | Pulsation limiter for manually actuated hydraulic valve A pulsation limiter for a manually actuated hydraulic valve includes a spring biased, motion retarding plunger in an auxiliary bore within the valve housing and having a helical groove disposed on its periphery abuts against the input sleeve during the in... | 11/27/1984 |
| 4471940 | Dashpot assembly A dashpot assembly has a movable cylindrical element mounted within a housing. The movable element has a chamber with a first opening for restricting flow of fluid into the chamber and a second opening for permitting rapid flow of fluid out of the chamber... | 09/18/1984 |
| 4429715 | Fluid flow control valve A mixing valve for hot and cold domestic water has a control member (20,22 and 23) movable within a body (12) whereby axial movement of the control member controls opening and closing of communication from hot and cold inlets (13 and 14) to an outlet (32,... | 02/07/1984 |
| 4386627 | Accumulator high flow valve The valve of the pressure vessel has a head portion adapted to close the liquid orifice and a stem portion mounted slidably in a guide and defining therewith a variable-volume liquid chamber. A passage is provided between the chamber and an orifice dispos... | 06/07/1983 |
| 4361168 | Flush valve construction A flush valve construction for water closets, urinals, showers and the like including a cylindrical jacket and associated piston assembly. A stop is adapted to be seated in the fluid supply line which will achieve flow adjustment and also render the valve... | 11/30/1982 |
| 4345736 | Solenoid operated valve and dashpot assembly A dashpot assembly has a movable cylindrical element mounted within a housing. The movable element has a chamber with a first opening for restricting flow of fluid into the chamber and a second opening for permitting rapid flow of fluid out of the chamber... | 08/24/1982 |
