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| Number | Title | Issue Date |
| 7958908 | Flow control valve A capacity control valve, comprising a first valve chamber formed in a valve body, a first fluid passage communicating with the first valve chamber to flow a fluid with a discharge pressure therein, a valve seat formed around a valve port between the first valve cha... | 06/14/2011 |
| 7766040 | Pressure control valve assembly A pressure control valve assembly including a valve body with a valving cavity, a metal insert, a member and ball, a plastic internal ball guide, and a plug. The metal insert, which is received within the valving cavity, includes an exhaust port, a pressure control ... | 08/03/2010 |
| 7497232 | Pressure control valve A pressure control valve is provided, in particular an electromagnetic pressure control valve, with a magnetic component which has at least one electrical coil and a relocatably supported armature at least partially within the coil. Furthermore, a valve component is... | 03/03/2009 |
| 7306462 | Gas operating system for firearm simulators A removable gas supply for a weapon simulator, wherein the gas system cycles the bolt or slide of the firearm to provide recoil, actuate a hammer/trigger mechanism and provide realism of the original weapon functions. The weapon simulator has a housing defining a pi... | 12/11/2007 |
| 7302970 | Liquid delivery device A micro liquid delivery device includes a flow channel for flowing a liquid, at least two pressure-generators for generating pressures provided in the flow channel, and a variable member placed between the pressure-generators and capable of transforming between a fi... | 12/04/2007 |
| 7033166 | Valve having mechanism for diverting reverse gas flow The present invention is to provide a valve with a safety mechanism for diverting reverse gas flow being mountable in a gas lighter wherein a shoulder is formed around a mouth proximate a forward opening of a sleeve and is spaced apart from the forward opening by a ... | 04/25/2006 |
| 6986341 | Apparatus for detecting fuel-vapor gas leaks, and vent valve apparatus applied to this apparatus An apparatus for detecting fuel-vapor gas leaks that includes a jet pump (8) that introduces outside air into and pressurizes a vapor purge system including a fuel tank (1) by gasoline flow from a fuel pump (2); an internal pressure sensor (1... | 01/17/2006 |
| 6957664 | Pilot control valve The present invention relates to a pilot control valve, especially for use in mining hydraulics. The valve has a valve insert constructed as a valve cartridge, whose single or multipart valve housing has an input entry 17 for pressure fluid P, a connection op... | 10/25/2005 |
| 6837451 | Seat/slide valve with pressure-equalizing pin The invention relates to a 3/2-way valve for controlling the injection of fuel in a common rail injection system of an internal combustion engine, having a first switching position, in which an injection nozzle is in communication with a fuel return, and having a se... | 01/04/2005 |
| 6761183 | Back flow preventing adjustable valve apparatus with fluid escape In a valving assembly, the combination comprising an elongated hollow valve body having an inlet and an outlet for fluid flow, a valve in the body to control the flow, an elongated hollow stem movable in the body to open and close the valve, packing extending betwee... | 07/13/2004 |
| 6386218 | Solenoid operated valve assembly for variable bleed pressure proportional control A solenoid operated exhaust bleed type pressure control valve assembly providing a proportional pressure control signal over the full range of solenoid operating current. A poppet valve member is connected to the solenoid armature and closes against a val... | 05/14/2002 |
| 6375154 | Seat and holding valve A hydraulic seat and holding valve for hydraulically controlling and holding a hydraulic load in a leakproof manner comprises a seat pairing, whose valve cone, which is part of the piston, is capable of adapting itself to the conical valve seat. To this e... | 04/23/2002 |
| 6314982 | Link apparatus An extendable/retractable link apparatus 10 defines a fluid passage therethrough and may be connected between two relatively moveable components, e.g. an aircraft ejector seat and the adjacent fixed airframe, so that, when there is relative movement withi... | 11/13/2001 |
| 6206038 | Multiway valve This invention relates to a multidirectional valve, in particular for wheel-slip-controlled and/or automatic-brake-intervention-equipped hydraulic brake systems of automotive vehicles, which includes a seat valve member disposed axially movably within a v... | 03/27/2001 |
| 5921281 | Hydraulic fluid passage switching valve A fluid passage switching valve includes a core structure provided with an input passage extending from an input port. The input passage opens on an outer peripheral surface of the core structure at such a position that when a plunger is in a fluid cut-of... | 07/13/1999 |
| 5695120 | Spray gun A spray gun includes a body with a barrel portion having an inner chamber that extends therethrough from a front to a rear portion, and a grip portion. The grip portion includes a water inlet conduit and water outlet conduit disposed therein that each ext... | 12/09/1997 |
| 5518030 | Three-way flow valve with variable drain orifice area A solenoid valve for use in a fuel system includes a valve body with a central core and three interconnected passageways. A spool is disposed within the central core and by means of enlarged and reduced diameter portions controls the flow through the sole... | 05/21/1996 |
| 5435336 | Controlled valve A controlled valve comprising a substantially hollow and elongate body fitted at its longitudinal ends with means for coupling to a pipe that is to be closed, the body including a transverse partition with a central channel formed therethrough, and also i... | 07/25/1995 |
| 5370522 | Injection valve for a vacuum wax injection installation An injection valve for a vacuum wax injection installation for selectively communicating a mold into which wax is to be injected with a chamber with a vacuum and a chamber with liquid wax in the vacuum wax injection installation includes a main valve body... | 12/06/1994 |
| 5335693 | Valve An automatic hydraulic valve which operates with pressurized fluid, particularly water. The valve closes when fluid pressure is applied and opens when the fluid pressure is withdrawn. It comprises a closed housing having a fluid inlet and outlet and an op... | 08/09/1994 |
| 5129416 | Anti-siphon frost-proof water hydrant A water hydrant defines an elongated flow passage having a water inlet and an air inlet, and a laterally extending water outlet spout disposed therebetween to define an outlet. An elongated rotatable stem is reciprocated within the flow passage, and termi... | 07/14/1992 |
| 4962791 | Seat valve The invention relates to a seat valve in which a ball-shaped valve element is held in a sleeve which has control edges which cooperate with an opening arranged between the valve seats and connected to a connection. On switching over of the valve element f... | 10/16/1990 |
| 4844553 | Dash control valve with differential trip A control valve for a fluid pressure braking system includes a housing which receives a pair of identical plungers and corresponding springs acting on the plunger which activate automatically at different trip pressures. The differential trip pressures ar... | 07/04/1989 |
| 4842020 | Double-solenoid single-stem four-way valve A four-way valve assembly provided with a housing having an elongate bore in which a single shiftable valve is slidably disposed. Electric solenoids are connected to opposite ends of the housing for effecting shifting of the valve between opposite ends po... | 06/27/1989 |
| 4840198 | Control valve A directional control valve includes a housing with a pressure inlet port, two working ports and a vent port with one working port directly connected to the vent port and the other working port communicating with the vent port via a control piston. The co... | 06/20/1989 |
| 4832081 | Control valve The present invention relates to the use of two different sealing means in a directional spool valve. On the one hand side, a pressure guide element is provided at the spool so as to make sure that the pressure medium can only flow in radial direction aga... | 05/23/1989 |
| 4823842 | Single-stem four-way valve A four-way valve assembly provided with a housing having an elongate bore in which a single shiftable valve is slidably disposed. The housing has a main center part and a pair of end parts attached to opposite side thereof. A pair of sleevelike liners are... | 04/25/1989 |
| 4821774 | Solenoid operated valve with balancing means A balanced solenoid operated valve having a balanced solenoid armature, with balancing means in the upper end of the armature, and the valve can be made as a two-way valve, a three-way valve or a four-way valve.... | 04/18/1989 |
| 4750521 | Multiple connection valve The invention relates to a 5/2-way valve in which the two control pistons with their inner end faces define the housing chambers which are provided with the connections for the removal of the pressure medium and are capable of limited free movement in an ... | 06/14/1988 |
| 4739613 | Bi-propellant blade valve assembly A compact, valve assembly (10) is provided having multiple chambers. A forward chamber (14) retains dual T-shaped blades (36) having shaped orifices (38) for controllably metering at least two fluids passing through the valve assembly. The valve assembly ... | 04/26/1988 |
| 4711266 | Valve arrangement A valve arrangement which assumes at least two positions and a monitoring system which is to monitor the functional performance of the valve arrangement. A valve closing body is connected to a slider which slides in sealing fashion in the opening to be cl... | 12/08/1987 |
| 4691737 | Brake control valve A control valve for a vehicle fluid pressure braking system includes a housing having an inlet port, an outlet port and a delivery port. A plunger is movable in the housing to control communication between the ports. The plunger is provided with a shoulde... | 09/08/1987 |
| 4644969 | Water control valve with pneumatic actuator A pneumatically-operated water control valve includes an air actuator, a valve control portion, and an intermediate cylinder block mounted between the air actuator and the valve control portion. The intermediate cylinder block has a first bellows, a secon... | 02/24/1987 |
| 4619435 | Control valve apparatus for pneumatic tools An improved flow control valve apparatus for pneumatically powered tools that include a motor and feed and retract apparatus driven by the motor. The control valve apparatus includes a main flow valve and a retract control valve each of which is controlle... | 10/28/1986 |
| 4598736 | Solenoid operated valve with balancing means A balanced solenoid operated valve having a balanced solenoid plunger, and the valve can be made as a three-way valve or a four-way valve. In the four-way valve embodiment the solenoid plunger balancing means also functions as a sliding spool valve for co... | 07/08/1986 |
| 4495967 | Fluid injectors A fluid injector particularly for injecting fluid into a furnace comprises a housing structure having inlet and outlet ports; a pair of fluid connections and means defining passageways for fluid between the ports and respective ones of the fluid connectio... | 01/29/1985 |
| 4491154 | Double acting pilot valve A pilot valve adapted for connection between a double acting fluid actuator (12) of the piston-type and a hydraulic fluid supply (21). The pilot valve comprises an elongate body (30) with an axial bore (32, 33) therethrough and a piston chamber (38) at on... | 01/01/1985 |
| 4475570 | Anti-syphon freezeless water hydrant A water hydrant is provided with a number of valves operable to eliminate freezing problems and to prevent backflow into potable water, thereby precluding the danger of contamination. Water and air valves operate in conjunction such that trapping of water... | 10/09/1984 |
| 4416416 | Two-port thermally responsive valve A thermally responsive valve (10) for valving adjacent first (21) and second (22) fluid ports is disclosed which prevents harmful fuel vapors from adversely affecting the valve power element (12). An elongated valve member (82) is movably contained within... | 11/22/1983 |
| 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 |
