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| Number | Title | Issue Date |
| 8056578 | Valve cartridge with lobular key A one-handle valve cartridge has one or more lobular keys formed on a housing of the valve cartridge. The lobular keys interface with keyways formed in a valve body. ... | 11/15/2011 |
| 8028714 | Water control valve core with a segmented locking fuction The present invention provides a lateral draft tube for a water control valve core, which is defined by a through-type groove and upper and lower openings. The through-type groove is sleeved around the shell of the water control valve core. The upper and lower porti... | 10/04/2011 |
| 7971603 | Header for a heat exchanger Disclosed herein is a header for a heat exchanger that has an inflow side, an outflow side, a bypass port therebetween, and a pressure-sensitive flapper valve proximal the bypass port. As pressure increases at the inflow side of the header, the flapper valve opens p... | 07/05/2011 |
| 7896025 | Valve body A valve assembly for controlling water flow to a water delivery device. The valve assembly includes a valve body and a valve cartridge sealingly received within the valve body. ... | 03/01/2011 |
| 7647940 | Device and method for pneumatic valve control An apparatus for controlling a valve including an enclosure that defines first and second chambers, an indicator proximate the first and second chambers, an operating media distribution system that is disposed in the first chamber, and an electronic control unit dis... | 01/19/2010 |
| 7575019 | Faucet with water temperature retaining feature The present invention is related to a water faucet having a water temperature retaining feature. The water faucet includes a hot water control, a cold water control, a mixing chamber for receiving the hot water and the cold water, a first flow control cartridge oper... | 08/18/2009 |
| 7401622 | Modular pressure regulator A pressure regulator assembly comprising: a regulator body having a housing, an inlet portion at one end of the housing and a cap at an opposite end of the housing, the inlet portion and the cap in substantially coaxial alignment along a regulator body axis; a press... | 07/22/2008 |
| 7383852 | Self sealing water trap A water trap suitable for use in a mechanical ventilation circuit comprising a cap with an inlet and an outlet, a fluid collection vessel engageable with the cap, and a rotatable closure with at least one aperture interposed between the cap and the vessel. The vesse... | 06/10/2008 |
| 7383858 | Control valve assembly for a faucet A control valve assembly includes a first control valve and a second control valve longitudinally mounted to the first control valve. A first check valve and a second check valve respectively disposed in the first control valve and the second control valve such that... | 06/10/2008 |
| 7363937 | Replaceable sleeve insert for a choke assembly A replaceable sleeve insert for a choke assembly is disclosed, wherein the replaceable sleeve insert has a tubular member coaxially and sealingly retained within an upper body section of the choke assembly. The tubular member is also sealed against the bonnet. The t... | 04/29/2008 |
| 7363934 | Control valve having pressure balance effect A control valve for a mixed water faucet includes a housing, two sealing gaskets, a control shaft, a ceramic unit, a sealing ring, a sleeve, a pressure balance unit, an adjusting cock, and a fastening member. The pressure balance unit includes a bushing and a spindl... | 04/29/2008 |
| 7357145 | High-pressure, hemi-wedge cartridge valve A valve having a cartridge that fits within the valve housing and that may be replaced without removing the valve housing from adjoining equipment. The cartridge contains a wedge having curved surfaces and a driver to rotate the wedge from an open to a closed positi... | 04/15/2008 |
| 7338031 | Faucet structure with automatic cold-water resuming function The present invention provides an improved faucet structure with cold-water resuming device, which is placed at the top of the faucet valve body and has an action component and an elastic component. The action component is connected with the elastic component via a ... | 03/04/2008 |
| 7337804 | Mixing valves A single handle mixing valve of the plate valve type where a single stem controls both the temperature and flow output from the valve. A control plate having an opening is positioned over the stem and has at least one surface defining limits of stem movement. An act... | 03/04/2008 |
| 7320338 | Microvalve package assembly A microvalve assembly that can help protect a microvalve or an assembly of microvalves from the environment. Such a microvalve assembly may be mechanically assembled, without the use of adhesives and/or other materials that might out-gas and/or otherwise reduce the ... | 01/22/2008 |
| 7306005 | Valve and valve cartridge A faucet valve cartridge includes a valve seat with a co-molded proximal end. The cartridge regulates flow in a faucet valve and provides a floating sealing arrangement with the valve seat of the faucet valve. ... | 12/11/2007 |
| 7300075 | Sealing assembly Sealing assembly, for example forming part of a flowmeter. The sealing assembly comprises a first metal body with a mating surface in which a centering chamber with a flat bottom and an upright wall are provided, and a second metal body with a mating surface provide... | 11/27/2007 |
| 7293582 | Method and apparatus for precluding backflow in a mixing valve subjected to unbalanced inlet pressure An apparatus and method are provided for precluding backflow of fluid in a mixing valve, through use of a manifold of the mixing valve including a septum wall in an intermediate divided segment of an outlet conduit of the manifold. ... | 11/13/2007 |
| 7290560 | Valve cover locking system An apparatus and method to assemble and disassemble a valve cover locking screw assembly for a reciprocating pump module block. The module block has a bore, a removable valve cover closing the bore, and a valve cover locking ring securable to the block and surroundi... | 11/06/2007 |
| 7278178 | Tub filler and overflow combination device A tub filler and overflow combination device is supported within a common opening formed in a tub wall. Both a flow passage and a drain passage extend through the body of the device to communicate through the common opening in the tub wall. A backflow preventer of t... | 10/09/2007 |
| 7278401 | Fuel pressure regulator housing A housing for a fuel pressure regulator includes a body having a fuel inlet, a fuel outlet, a plurality of retention members, a bypass fitting, and preferably an electrical fitting and a ground fitting. Each retention member includes a catch that is constructed to e... | 10/09/2007 |
| 7264016 | Self-closing rotary valve A water dispenser assembly includes valve cartridges for controlling the flow of cold water from the cold-water inlet and the spout. Each valve cartridge includes a rotatable stem extending from a body. The water dispenser assembly includes a self-closing feature th... | 09/04/2007 |
| 7255129 | Valve with elbow joint diverter A multiport diverter valve comprising a valve housing defining a valving chamber therein. A plurality of ports open into the chamber. A flow diverter is pivotally mounted in the chamber and has a concave diverter surface forming a portion of a torus. First and secon... | 08/14/2007 |
| 7246635 | Automatic flow rate control valve An automatic flow rate control valve, includes a tubular body, defining a flow path between inlet apertures having a gradually variable cross-sectional area and a fluid outlet at one end; a flow control piston is axially movable within the tubular body, under opposi... | 07/24/2007 |
| 7225829 | Flow-control valve assembly A first expression of a flow-control valve assembly includes a valve body and a resilient flow control positioned in the valve body. The valve body has a valve seat including a radially-inner valve seat portion, a radially-outer valve seat portion and a bypass-flow-... | 06/05/2007 |
| 7222502 | Expansion valve The invention provides an improved structure for assembling components in an expansion valve used in air conditioners. An expansion valve body 30 has a valve chamber 35 and a passage 32 through which refrigerant from a compressor enters. The ref... | 05/29/2007 |
| 7191476 | Multi-functional switching apparatus for bathroom showers A multi-functional switching apparatus for bathroom showers comprises first/second control valves, first/second adjusting valve units, first/second control valve spindle units, and first/second handle units wherein the second control valve has a coupling portion flu... | 03/20/2007 |
| 7185671 | Angled dual check valve Poppet valve installation or removal is simplified through the use of a unitary poppet assembly that may be accurately placed into a valve body through an access opening and wherein the poppet is slidably mounted in a stem in an insert while being permanently affixe... | 03/06/2007 |
| 7159840 | Solenoid having reduced operating noise A solenoid valve is provided generally including a bobbin for supporting a coil and a core located adjacent to the bobbin. An armature is movably disposed relative to the core. A plunger is coupled to the armature and movable with the armature. A seal is coupled to ... | 01/09/2007 |
| 7152628 | Anti-cavitation valve assembly A valve assembly for reducing cavitation includes a seat disposed within a valve housing intermediate a fluid inlet and outlet thereof. A disc guide is associated with the seat so as to be slidably moveable relative to the seat. The seat includes a wall defining an ... | 12/26/2006 |
| 7150825 | Sealing apparatus of fuel filter A fuel filter sealing apparatus to improve a connector for connecting a fuel input pipe and a fuel return pipe to a fuel filter in order to prevent fuel leakage during a preliminary testing stage of an engine and backflow of fuel during engine operation. An oil cham... | 12/19/2006 |
| 7150292 | Electropneumatic double control valve comprising a sealing arrangement Electropneumatic double regulating valve for an air-operated vehicle brake system, which is disposed centrally on a wheel axle, equipped with two brakes, with a common relay valve housing (1), in which is integrated for each brake an assigned regulating valve... | 12/19/2006 |
| 7147002 | Modular multi-function fluid flow control device A multi-function fluid flow control device is disclosed. A body houses a filter screen, a check valve and an orifice plate mounted on a frame which is removable from the body as a unit through an opening in the body sealed by a removable plug. The orifice plate is r... | 12/12/2006 |
| 7143787 | Microluidic valve having two revolving valve elements A component part of a microfluidic valve adapted to be coupled with a microfluidic device, the microfluidic device having at least one port coupled to a flow path of the microfluidic device, the component part comprising a first revolving valve element having a firs... | 12/05/2006 |
| 7143777 | Control valve having pressure balance effect A control valve includes a housing, two sealing gaskets, a shaft, a protective jacket, a fixed plate, a movable plate, a sleeve, a pressure balance unit, and an urging screwing member. Thus, the movable plate is rotated by operation of the shaft without producing de... | 12/05/2006 |
| 7140383 | Intake system An intake system has an intake pipe, a passage member which is inserted into a peripheral wall of the intake pipe in a radial direction to form an intake passage passing across a front end and a rear end thereof in a direction of insertion along with the intake pipe... | 11/28/2006 |
| 7140390 | Frost free valve assembly A frost free faucet having a spigot assembly including a drain conduit, a sleeve assembly including an elongated pipe, and a valve assembly. The valve assembly including a ¼ turn valve and a check valve. The ¼ turn valve includes a rotatable disc with an inlet and... | 11/28/2006 |
| 7137410 | Mixing valves A single handle mixing valve of the plate valve type where a single stem controls both the temperature and flow output from the valve. A control said characteristic plate having an opening is positioned over the stem and has at least one surface defining limits of s... | 11/21/2006 |
| 7134450 | Interior structure of water control valve for faucets An interior structure of a water control valve for faucets includes a control valve body, a control valve stem, and a valve plug wherein the control valve body has an upper coupling end with a valve stem hole defined therein disposed at the upper step thereof, a pai... | 11/14/2006 |
| 7131410 | Solenoid spool valve A solenoid spool valve includes a spool valve, a spring, and an electromagnetic actuator. The spool valve has a generally cylindrical sleeve provided with a fluid input port and a fluid output port and a spool supported in the sleeve for axial displacement to switch... | 11/07/2006 |
