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| Number | Title | Issue Date |
| 7748403 | Pressure maintaining valve, tool, set and fuel injection system A pressure-holding valve for a fuel injection system with a high-pressure region and a low-pressure region, the valve having with a valve housing having a first connection that can be connected to the low-pressure region and a second connection that can be connected... | 07/06/2010 |
| 7673651 | Flow regulating device The device comprises a stationary body which has, defined inside it, a passage for a flow of liquid with at least one inlet opening and one outlet opening for the flow and in which at least one valve seat directed towards the outlet opening is defined in the vicinit... | 03/09/2010 |
| 7415921 | Apparatus for preparing a beverage suitable for consumption, such as coffee An apparatus for preparing a beverage provided with a storage tank, a heater and a three-way valve. The three-way valve is provided with in inlet, a first outlet and a second outlet. The three-way valve is provided with a first member which is freely movable between... | 08/26/2008 |
| 7367353 | Combined check valve and pressure relief valve A combination check valve and pressure relief valve is provided for use in regulating the flow of fluid between a first fluid side and a second fluid side. The valve may include a valve body, a valve insert positioned within an aperture of the valve body, a check po... | 05/06/2008 |
| 7350538 | Method of preventing inadvertent inflation of an inflatable prosthesis A pump assembly for a penile implant is provided having a mechanism which prevents spontaneous inflation of the cylinders implanted within the user. The preventative mechanism uses overpressure generated by the reservoir during unintentional compression to effective... | 04/01/2008 |
| 7331360 | Check valve with low shut off sound The present invention relates to the field of check valves and more specifically to check valves with substantially low operational noise or low shut off noise. Provided is changing a direction of a fluid that closes a first and second flap to produce a slit, gap or... | 02/19/2008 |
| 7331323 | Lubricating oil supplying system for internal combustion engine A lubricating oil supplying system for an internal combustion engine includes a lubricating oil storage section for storing lubricating oil. A driven pump is driven by the internal combustion engine to suck the lubricating oil from the lubricating oil storage sectio... | 02/19/2008 |
| 7331361 | Pressure relief valve with direct hydraulic damping To protect hydraulic assemblies, in particular to protect hydraulic brace systems, pressure relief valves 1 are used, the closing part 10 of which is formed by a piston 15, which is connected to the connection 4, and the valve spring reta... | 02/19/2008 |
| 7302966 | Flow control valve and method A flow control valve includes a body having a fluid passageway therethrough and first and second openings each adapted for receiving or discharging fluid from the passageway. A piston is slidably disposed in the passageway between the first and second openings of th... | 12/04/2007 |
| 7300482 | Particle separation apparatus Particle separation apparatus comprises a cyclone particle separating means, a particle collecting chamber and a fan driven by an electric motor for drawing particle laden air into and through the apparatus. A valve is provided, upstream of the suction fan driving m... | 11/27/2007 |
| 7267245 | Bite valve A bite valve manufactured from a soft and flexible material includes a joining section, a liquid outlet section, and at least a pair of columns at an inner wall approaching the liquid outlet section to retain the bite valve and to prevent an inner channel of the bit... | 09/11/2007 |
| 7258134 | Combination check valve and pressure rise rate valve A combination check valve and pressure rise rate valve is provided for regulating the flow of fluid between a first fluid side and a second fluid side. The valve may include a valve body, a valve insert positioned within an aperture of the valve body, and a check po... | 08/21/2007 |
| 7243676 | Combination umbrella and inverted bi-directional valve A combination valve including a valve body having an inverted bi-directional valve portion and an umbrella portion is disclosed. In accordance with one aspect of the invention, a combination valve includes a valve body with a substantially cylindrical portion defini... | 07/17/2007 |
| 7240768 | Flapper finger valve A flapper finger valve assembly for use in an exhaust system. The flapper finger valve includes a tube having a plurality of orifices therethrough. The flapper finger valve assembly also includes a plurality of flapper finger valves generally having a C-shape wherei... | 07/10/2007 |
| 7121812 | High pressure pump having replaceable plunger/valve cartridges A high pressure fluid jetting system generally includes a fluid cylinder pump, a drive assembly, a pressurized liquid supply and an applicator gun. The drive assembly includes a diesel engine or electric powered motor which drives a rotatable drive shaft. The drive ... | 10/17/2006 |
| 7112177 | Apparatus for monitoring intra-abdominal pressure An apparatus for monitoring intra-abdominal pressure in a medical patient includes a urinary catheter connected to a urine valve having selectable communication positions between a discharge end of the urinary catheter and either a drain or a fluid source. Preferabl... | 09/26/2006 |
| 7104277 | Valve for controlling a tank internal gas pressure The invention concerns a control valve (c) for internal gas pressure of a liquid tank co-operating with an orifice (10) provided in the upper part thereof, allowing through a gas flow outside the tank when the difference between the internal pressure and the ... | 09/12/2006 |
| 7104775 | Injection unit having rotatable device for preventing reverse flow Disclosed is an injection unit having a rotatable device for preventing reverse flow. To connect first flow channels formed in a spacer and second flow channels formed in a screw head when the metering is performed, and prevent reverse flow of resin by cutting off t... | 09/12/2006 |
| 7040877 | Compressor valve plate A valve plate assembly includes an upper valve plate, a lower valve plate, an annular spacer and a center spacer. The annular spacer is located between the upper and lower valve plates and around the outer periphery of the upper and lower valve plates. The center sp... | 05/09/2006 |
| 7028708 | Combined check valve and pressure relief valve A combination check valve and pressure relief valve is provided for use in regulating the flow of fluid between a first fluid side and a second fluid side. The valve may include a valve body, a valve insert positioned within an aperture of the valve body, a check po... | 04/18/2006 |
| 6997206 | Pressure Compensating valve This invention relates to a pressure compensating valve and more particularly, but not exclusively, to a balanced pressure compensating valve, or regulator. The valve includes a chamber (6) for containing fluid, defined by a flexible barrier (2) trappe... | 02/14/2006 |
| 6997205 | Inlet protection apparatus and method An apparatus and method for substantially preventing access to an inlet of a vent. The apparatus may comprise a housing attachable to the inlet of the vent and having one or more traps position therein to block insertion of a fluid insertion device through the housi... | 02/14/2006 |
| 6959726 | Valve assembly for attenuating bounce of hydraulically driven members of a machine A member that is driven by a hydraulic actuator tends oscillate when fluid flow to the hydraulic actuator is terminated. A pressure relief device reduces that oscillation by connecting first and second first relief valves to the hydraulic actuator. The first relief ... | 11/01/2005 |
| 6960180 | Valve obturator An obturator prevents the tips or flaps of a duck-bill valve from self-adhering during storage or during sterilization procedures. The obturator holds the tips apart until the end-user is ready to use the valve. The duck-bill valve is used as an air outlet valve in ... | 11/01/2005 |
| 6953450 | Apparatus and method for administration of IV liquid medication and IV flush solutions The present invention provides a medical liquid administration apparatus and administration method that are particularly apt for intravenous (IV) applications. More particularly, the administration apparatus and method may be employed in conjunction with the adminis... | 10/11/2005 |
| 6905318 | Compressor including tapered discharged valve and valve seat A compressor includes a compression chamber for compressing working fluid within an inside thereof, a discharge port, through which the working fluid flows out from the compression chamber, and a discharge valve for opening or closing the discharge port. The dischar... | 06/14/2005 |
| 6832626 | Modular two way check valve construction A check valve construction is provided which includes a housing having a first flow path and a second flow path. Liquid flow is controlled within the first and second flow path by movable plungers (22, 24) having a sealing surface and a plurality of prongs th... | 12/21/2004 |
| 6805154 | Freeze protection device for wall hydrants/faucets A freezeless wall hydrant has a fluid inlet end connected to a source of pressurized water, and a fluid outlet end. A check valve is placed in the bore of the valve body and is spring loaded to open only when extreme water pressure within the inlet valve lifts a spr... | 10/19/2004 |
| 6789561 | Excess-flow valve An automatically operating valve for use for example in a forecourt fuel pump has a body (10) defining a flow passage (20) within which is formed a valve seat (22), the body having a weakened zone (16) around the flow passage (20) ... | 09/14/2004 |
| 6779554 | Return check valve The invention relates to a backflow preventing check valve (1) comprising a housing (2) in which a closing member (3) is arranged. The closing member is moveable between a closed position and an open position and is disposed on a valve seat with... | 08/24/2004 |
| 6772790 | Fuel tank A fuel tank for a motor vehicle has means for delivering fuel from the tank to the engine, means for the introduction of air into and the venting of air from the tank, and a filler pipe which can be closed at its intake end and which at its outlet end into the inter... | 08/10/2004 |
| 6712726 | Lube regulated pressure regulator valve A Lube Regulated Pressure Regulator Valve including an internal check valve that passes transmission fluid from the hydraulic pump in an amount sufficient to fill the torque converter in the Park gear range and at low engine speeds is disclosed. The internal check v... | 03/30/2004 |
| 6666656 | Compressor apparatus A fluid compressor controls opening and closing of a fluid intake port in the crankcase with a novel and improved form of gate control member which follows rotation of the crankshaft and times the opening and closing of the intake port to coordinate with ... | 12/23/2003 |
| 6648010 | Check valve plate with anti-pressure surge device An ant-pressure surge device mounted in or on a closure member (1) of a check valve to eliminate overpressure and reduce shock waves in a pipeline when the check valve closes. The anti-pressure surge device comprises a fast acting flow relieving valve hav... | 11/18/2003 |
| 6634375 | Leak arresting valve A flow control valve is disclosed wherein a housing defines a flow chamber with an inlet and an outlet. Disposed within the flow chamber is a poppet assembly comprising an inner poppet and an outer poppet. A first spring is selected to bias the outer popp... | 10/21/2003 |
| 6578604 | Ball valve with slot for continuous flow The invention concerns a device for controlling a fluid flow, characterised in that said device comprises second valve arrangement means interposed in the circuit in series with first valve arrangement means (20, 22, 34), and wherein a second mobile closu... | 06/17/2003 |
| 6532986 | Freeze protection device for wall hydrants/faucets A freezeless wall hydrant has a fluid inlet end connected to a source of pressurized water, and a fluid outlet end. A check valve is placed in the bore of the valve body and is spring loaded to open only when extreme water pressure within the inlet valve ... | 03/18/2003 |
| 6488320 | Quick connect coupling A quick connect coupling for use with a conduit having a free end with a bead is disclosed. The coupling includes an elongated tubular and cylindrical housing having a female end portion at one end and a male end portion at its other end. An axial passage... | 12/03/2002 |
| 6273128 | Apparatus for controlling the flow of fluid Apparatus for controlling the flow of fluid includes a gravity sensitive valve for receiving fluid from a fluid flow passageway and a pressure activated valve located downstream from the gravity sensitive valve. The gravity sensitive valve interrupts flow... | 08/14/2001 |
| 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 water main and further utilizing a relief valve which can ope... | 03/06/2001 |
