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| Number | Title | Issue Date |
| 7975721 | Fluid valve systems An apparatus includes a first valve having an inlet capable of being in fluid communication with a first fluid source, an outlet capable of being in fluid communication with the inlet, and two unidirectional valves. The first valve is capable of being in a first mod... | 07/12/2011 |
| 7878217 | Valve device for sanitary fitting and sanitary fitting A valve device for a sanitary fitting having at least two control elements which are movable relative to one another and on which at least two inlet channels and at least one control channel are formed is described. The control channel is configured for a communicat... | 02/01/2011 |
| 7354027 | Bounce-free magnet actuator for injection valves The invention relates to a magnet valve for actuating a fuel injector, having a magnet core and magnet coil received in the core. A closing spring acts on the magnet armature in the closing direction. An outlet gap for an actuating fluid is formed between a face end... | 04/08/2008 |
| 7337084 | Switch-activated zero checking feature for a Coriolis flowmeter Descriptions are provided for implementing flowmeter zero checking techniques. In operating a flowmeter, it may be the case that, even if previously calibrated, the flowmeter will produce erroneous measurements, e.g., will indicate a non-zero flow during a period of... | 02/26/2008 |
| 7261127 | Modified push-pull valve for filter systems and method A valve assembly is constructed for use in a filtering system including a pump and a filter with an inlet and an outlet, for example those systems used in conjunction with swimming pools. The assembly includes a valve body with a pump inlet, a filtered output, a was... | 08/28/2007 |
| 7096887 | Fluid valve A dual outlet valve is provided that is capable of obtaining a closed state for both outlet ports, a low flow for either operating port either individually or combined, or a high flow operation mode for either outlet port individually or combined such that at least ... | 08/29/2006 |
| 7093614 | Solenoid valve for a coolant circuit A solenoid valve for a coolant circuit including a valve body having at least one inlet and at least one outlet for the coolant. A valve member is displaceable in the interior of the valve body between two switching positions for the solenoid valve. At least one out... | 08/22/2006 |
| 7077153 | Side control faucet with diverter assembly A side control faucet is provided with a separate diverter valve which is connected to a single outlet from the valve body. The diverter valve is connected to a spout and to an auxiliary water dispenser, such as a side spray or water filtration dispenser. The separa... | 07/18/2006 |
| 7066204 | Multi-port diverter valve assembly with integral detent A multi-port diverter valve assembly with an integral detent feature includes a valve body and a diverter valve cartridge and cap combination wherein the cap includes one or more deflectable fingers positioned so as to “detent” into one or more detent recesses f... | 06/27/2006 |
| 7051761 | Fill and bleed valve for liquid cooling system A fill and bleed valve for filling a liquid cooling system has a single axially movable plunger, slidable within a central block bore, from a normal operating position to a filling position that opens the cooling system to a supply of coolant. The filling operation ... | 05/30/2006 |
| 7048129 | System and method for processing liquid A device for processing liquid with a main body having a valve housing chamber with a main inlet port and a main outlet port along a non-horizontal axis; a liquid inlet processing port and a liquid outlet processing port. The valve housing chamber has a rotatable va... | 05/23/2006 |
| 7008530 | Water softener A water softener employs a vessel, a distributor with a manifold body associated to said vessel and a valve control device. A control unit programs operation of the softener. An actuator unit has a cylinder divided into a first chamber and a second chamber. The actu... | 03/07/2006 |
| 7007639 | Air injection engine An internal combustion engine of the present invention features separate compression and expansion cycles. The engine includes a separate compressor device which pressurizes air by a ratio greater than 15 to 1, at least one two stroke combustion cylinder and a compr... | 03/07/2006 |
| 6988511 | Outlet valve structure for water dispenser A outlet valve structure of a water dispenser includes a body member, a first controller, a second controller and a control switch. The outlet valve has the function of controlling dispense and switch of hot water, cold water and warm water. Therefore, only one of s... | 01/24/2006 |
| 6976500 | Valve combination for a fluid circuit with two pressure levels, particularly a combined cooling system/heat pump circuit The invention relates to a valve combination which is characterized in that the valve combination has a passive valve and an active valve. The active valve is provided with means for an active influence of the control position of a closing element and regulates the ... | 12/20/2005 |
| 6951330 | Valve with damping element The invention relates to a valve, in particular for a fluid-regulated heating and/or cooling system of a motor vehicle, having a valve chamber (18, 218), with at least one inlet conduit (14, 214) and at least one outlet conduit (16, 216) branchi... | 10/04/2005 |
| 6920902 | Multi-layer fabric A fabric having top and bottom layers, with each layer having machine direction (MD) yarns and cross-direction (CD) yarns interwoven together. The fabric includes pairs of binder yarns that bind together the top and bottom layers. The binder pairs are interwoven so ... | 07/26/2005 |
| 6868864 | Water flow control valve Used in the automobile industry, and more specifically in the driver's cab heating system, the valve is installed between the link between the engine and the radiator and the cab's heating system. It consists of a housing unit (1) which has a circular compart... | 03/22/2005 |
| 6810664 | Slotted spool valve A slotted spool valve for a speed control apparatus offering rapid response to prevent speed searching and cogging at low speed settings. Round port spool valve arrangements are replaced with a valve arrangement having rectangular-shaped ports. Response of the recta... | 11/02/2004 |
| 6712093 | Valve A valve (10) has a valve housing (12), at least one inlet conduit (14) and at least one outlet conduit (16), a movable lifting rod (28), one end of which discharges into an actuator (68), and at least one valve member (30... | 03/30/2004 |
| 6575195 | Bypass valve A bypass valve for directing fluid flow, where the bypass valve includes a valve body with a notch in at least one end thereof and a spool seated within the valve body. The spool is rotatable within the valve body. One preferred embodiment of the present ... | 06/10/2003 |
| 6510999 | Thermostat three-way control valve equipped with automatic air vent valve for air conditioning fan-coil unit A thermostat three-way control valve equipped with an automatic air vent valve for air conditioning fan-coil unit includes a thermostat three-way control valve located between a chilled water supply branch pipe and a chilled water return pipe of a fan-coi... | 01/28/2003 |
| 6347644 | Bypass valve for water treatment system A water treatment system bypass valve assembly that includes a unique multi-functional auxiliary port. The auxiliary port may be fitted with a check valve that relieves vacuum drawn on the water treatment system to which the bypass assembly is connected, ... | 02/19/2002 |
| 6295828 | Apparatus for switching a refrigerant channel of an air conditioner having cooling and warming functions A refrigerant channel switching apparatus in an air conditioner having cooling and warming functions is provided. The apparatus includes a main valve body, a direction shifting chamber formed within the main valve body and having a four connecting ports c... | 10/02/2001 |
| 6293298 | Water softener valve A water softener valve for controlling water flow to and from a water softener is disclosed that includes a cylindrical shaft extending from said inner surface of a piston chamber that fits into a pressure relief port when the piston is in the service pos... | 09/25/2001 |
| 6290208 | Valve seal, including for duplex head A duplex fluid filter assembly has first and second alternate duty filters. A valve assembly controls fluid flow between respective alternate flow paths. The valve assembly has a stationary valve body having an inner cylindrical wall defining a hollow cyl... | 09/18/2001 |
| 6277293 | Dual filter isolation block A dual filter isolation block for isolating a fluid stream between a fluid source and a user device and including a main body, a first fluid path provided in the main body between the source and the user device and a first filter provided in the first flu... | 08/21/2001 |
| 6253837 | By-pass values for heat exchanger A by-pass valve and a heat exchanger employing same is disclosed where the by-pass valve makes a short circuit from the heat exchanger inlet to the heat exchanger outlet to disable the heat exchanger under certain temperature conditions. The by-pass valve... | 07/03/2001 |
| 6155296 | Linear fluid flow valve A bypass configured butterfly type rotary valve particularly suitable for controlling engine coolant flow to a passenger compartment heater core outlet. A baffle is employed to increase linearity of flow control when the butterfly is close to shutting off... | 12/05/2000 |
| 6152177 | Method and apparatus for auto-zeroing a flow sensor In a gas chromatograph a valve assembly for providing gradual, uninterrupted re-direction of gas flow between a flow measurement position and a bypass position. The valve assembly maintains constant gas flow through the chromatograph during transition bet... | 11/28/2000 |
| 6135154 | Water faucet A faucet comprises a main body, a control valve column, and a filter mounted on the main body. The main body is provided with an axial hole in which the control valve column is movably received. The control valve column is provided at one end thereof with... | 10/24/2000 |
| 6058971 | Quick-connect diverter valve A quick-connect diverter valve for use in connecting existing water faucets and water filtration units in and around a kitchen, or other areas where clean drinking water is desired. The device consists of a body having a movable sleeve adaptor at one end ... | 05/09/2000 |
| 5996606 | Four-port valve and three-way valve A four-port changeover valve in an emergency water storage tank facility for changing over the flow paths of the water main and to the tank by axially moving the valve rod. Three valve seats are formed axially in a valve box. The valve rod extends through... | 12/07/1999 |
| 5988218 | Connection fitting for connecting a pressure expansion vessel for heated drinking water The invention relates to a connection fitting for connecting a pressure expansion vessel to a conduit system, in which a water flow flows, a diaphragm dividing said vessel into a cavity filled with water and a pressurized gas chamber filled with pressuriz... | 11/23/1999 |
| 5967185 | Rotary valve A rotary fluid-control valve for controlling fluid flow has a cylindrical valve chamber, a dove-tail shaped valve body mounted rotatably in the valve chamber and movable between an open position and a closed position, and four fluid passages extending fro... | 10/19/1999 |
| 5944053 | Solenoid valve for heating systems A solenoid valve for use in heating systems in motor vehicles is disclosed. The solenoid valve includes a housing having a core which is axially movable in the housing and is connected by a shaft to a valve member. The valve member includes two valve head... | 08/31/1999 |
| 5911212 | Priority valve for an intercooled engine The invention is in a priority valve that includes a housing arranged for in-line mounting between a conventional turbocharging unit of an internal combustion engine, an intercooler and an engine intake manifold to receive a charge air flow, and to either... | 06/15/1999 |
| 5730186 | Integrated solenoid valve/rotary joint A method and apparatus for heating a liquid, such as cooking oil for a fryer. A heat transfer fluid, such as an oil, is heated, such as by a gas-fired burner, at a location remote from the liquid to be heated, and passed by the liquid in a heat exchange r... | 03/24/1998 |
| 5693217 | Fluid circuit with a primary stream filter and a bypass stream centrifuge A hydraulic fluid circuit having a primary stream filter and a centrifuge disposed on a bypass, in which a device for setting a minimum response pressure for operation of the centrifuge and for maintaining an overall maximum pressure in the fluid circuit ... | 12/02/1997 |
| 5582208 | Flow control valve A flow control valve of the present invention includes a valve member mounted in a valve chamber having an inlet port, through which a fluid flows into the valve chamber, and an outlet port through which the fluid flows out of the valve chamber, the valve... | 12/10/1996 |
