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| Number | Title | Issue Date |
| 8186382 | Rotation valve for sample injection A rotary valve adapted for injection of a fluid sample into a flow path. According to the invention one and the same valve can be used to input flow from a system pump, a sample pump and a syringe. A loop could be filled from both the sample pump and the syringe and... | 05/29/2012 |
| 8181670 | Valve apparatus A rotating valve apparatus includes a cylindrical casing; a shaft arranged symmetrically in the casing; a member fixedly attached to the shaft and in close fit with the cylindrical casing, defining separated chambers within the casing; at least one outlet fixedly ar... | 05/22/2012 |
| 8122907 | Motor assembly for pneumatic tool A valve arrangement includes an inlet conduit defining an inlet passage adapted for communication with a supply of pressurized motive fluid, a first planar surface spaced radially from the inlet conduit, first and second supply passages communicating through the fir... | 02/28/2012 |
| 8047230 | System for the chemical/physical treatment of a fluid System for the chemical/physical treatment of a fluid in which a distributor valve has been installed for the feed/discharge of fluid to/from various reactors. The distributor valve consists of a plate valve with stationary plate and rotary plate. A cylindrical body... | 11/01/2011 |
| 8047231 | Valve element unit and gate valve apparatus To provide a valve element unit and a gate valve apparatus which realize a reduction in manufacturing cost by a compact and simple structure and smooth rotary driving of the valve element without greatly moving the valve element in the direction of the center of rot... | 11/01/2011 |
| 7984730 | Stopcock According to a preferred embodiment of the present invention there is provided a stopcock including a housing element defining at least first, second and third ports, a handle element which is selectably positionable relative to the housing element, at least one flu... | 07/26/2011 |
| 7849878 | Gas turbine compressor water wash control of drain water purge and sensing of rinse and wash completion A purge drain valve including a spool spliced in a fluid line includes a control valve and an actuator coupled to the control valve for regulating fluid flow. During a washing operation, fluid flows between a supply end and a delivery end of the spool, and during a ... | 12/14/2010 |
| 7849877 | Diverter valve A diverter valve may include a body portion and a lid portion. The lid and body portions may define a fluid chamber. The lid portion may include a first stop and a second stop. A closure member may at least partially be received within the fluid chamber. A movable m... | 12/14/2010 |
| 7753075 | Upwardly and downwardly discharged faucet The Invention relates to an upwardly and downwardly discharged faucet for comfortable use, comprising a main handle and a main valve body. The main valve body is provided with a diverting valve with dual ports. The diverting valve comprises a valve seat mounted on t... | 07/13/2010 |
| 7717131 | Diverter valve A diverter valve (10) for selectively controlling the flow of fluid from a fluid source to one of several fluid outlets (132, 136) includes a fixed ceramic disk (14) fixed to a housing (12) and a rotating ceramic disk (16) retained... | 05/18/2010 |
| 7549446 | Multi-functional flow control valve for water treatment systems A multi-functional flow control valve for a water treatment system includes a valve body having a water inlet port, a water outlet port and an effluent outlet. A valve core connected with a valve rod is placed inside the valve body. The valve body defines a flow cha... | 06/23/2009 |
| 7506664 | Automotive coolant control valve A flow control valve for selectively routing a coolant in a dual-zone heater system is provided. The flow control valve includes a housing and a flow control device. The housing includes an inlet port, a bypass outlet, a front heater outlet, and a rear heater outlet... | 03/24/2009 |
| 7412948 | Fluid valve A fluid valve for use in proportioning/mixing fluid between at least one input and at least one output. The fluid valve including a rotary actuated diverter for controlling fluid flow between the inlet(s) and outlet(s). The fluid valve may be configured to support p... | 08/19/2008 |
| 7377291 | Multiport rotary valve A multiport rotary valve has a stator with plural flow paths and a rotary valve plate having plural flow channels. The rotary valve plate defines a rotor that rotates relative to the stator to define unique plural fluid pathways from the stator, through the valve pl... | 05/27/2008 |
| 7370672 | Diverter valve A diverter valve is disclosed and may comprise an actively cooled valve actuation section, an actuator, and a valve section comprising a rotationally actuated valve plate that is structured to be rotationally actuated by the actuator to direct flow wherein the actua... | 05/13/2008 |
| 7347455 | Riser protector A piping riser protector for protectively covering the end portion of a riser assembly that includes a larger diameter central pipe and a plurality of smaller diameter peripheral pipes connected by a flange includes a polymeric body that protectively covers inner an... | 03/25/2008 |
| 7343933 | Multi-port flow selector manifold valve and manifold system A multi-port flow selector manifold valve includes a plurality of inlet ports adapted to be coupled to a fluid source, a test outlet adapted to communicate with at least one of the plurality of inlet ports, and a production outlet adapted to communicate with at leas... | 03/18/2008 |
| RE40006 | Flow regulated pressure swing adsorption system Pressure swing adsorption (PSA) separation of a gas mixture is performed in an apparatus with a plurality of adsorbent beds. The invention provides rotary multiport distributor valves to control the timing sequence of the PSA cycle steps between the beds, with flow ... | 01/22/2008 |
| 7308908 | Device and method for controlling the flow of fluid in a conduit The present invention provides devices and methods for controlling the flow of fluids in very high pressure situations. The devices feature valve shafts having bearings and pins to hold stator surfaces and rotor surfaces in proper alignment. ... | 12/18/2007 |
| 7302969 | Valve device for use with fuel cells A first valve body is disposed in a first opening defined in a valve housing, and a second valve body is disposed in a second opening defined in the valve housing. The first valve body is fastened to a first shaft by screws, and the second valve body is fastened to ... | 12/04/2007 |
| 7284571 | Valve device A valve device includes a main body case to which an inflow pipe and an outflow pipe are connected, a valve element which is disposed inside of the main body case to open or close an outflow aperture part of the main body case, a motor for moving the valve element i... | 10/23/2007 |
| 7276107 | Indexing rotary dual valve for pressure swing adsorption systems The present invention relates to a PSA system using an indexing rotary dual valve regulating a stepping mode of operation that controls a variable bed inlet feed flow rate, controllable pressure between feed lines in different beds of the PSA system and varied outpu... | 10/02/2007 |
| 7270020 | Instrument assemblies and analysis methods The disclosure relates to instrument assemblies that can include a sample introduction port coupled to a chamber configured to receive the sample from the sample introduction port and provide analysis of the sample with a valve between the sample introduction port a... | 09/18/2007 |
| 7270149 | Rotary valve assembly A rotary valve assembly has a valve body, a rotor and a plurality of guidance check valves. The valve body includes a valve seat longitudinally defining a bore through a center thereof. A plurality of valve oil passages and a main oil passage are respectively distri... | 09/18/2007 |
| 7261117 | Diverter valve assembly According to one embodiment of the present invention, a diverter valve is comprised of a valve body with multiple inlet and outlet ports. The diverter valve is further comprised of two ceramic valve sections that can be rotated with respect to each other to allow th... | 08/28/2007 |
| 7261276 | Flow regulator valve An apparatus such as a multiple orifice valve (MOV) for controlling a flow of pressurized fluid. A housing directs the flow from an inlet to an outlet and supports an interior stationary surface. A moveable surface selectively impedes the flow and is disposed in fac... | 08/28/2007 |
| 7261126 | Control valve A control valve has a valve body and a flow control element preferably in the form of a disc, the valve body defining at least one inlet passage, the inlet passage culminating in an opening which is surrounded at least partially by a flow control surface, and the fl... | 08/28/2007 |
| 7258783 | Fluid delivery system for a water tub using a removeable chemical carrier A water tub including a fluid delivery system utilizes a removeable carrier to provide fluids to the fluid delivery system. In some instances, the carrier is disposable such that depletion of the fluids within the container results in the carrier being thrown away a... | 08/21/2007 |
| 7255130 | Control valve for an engine cooling circuit A control valve (10) for a fluid circulation circuit comprises a body (12) which is equipped with a fluid inlet (18) and at least two fluid outlets (20, 22 and 24) and which delimits a cylindrical housing for an adjusting member ( | 08/14/2007 |
| 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 |
| 7222640 | Switching fluid flow by diversion A flow of fluid is switched on and off by diverting the flow to an alternative path. In a preferred application an abrasive cutting jet, formed by a flow of abrasive slurry fed via a conduit to a cutting jet nozzle, is switched on and off by diverting the flow at a ... | 05/29/2007 |
| 7219380 | Multicompartmented air mattress A system and method for controlling the flow of fluid for an inflatable mattress having multiple, non-interconnected inflatable chambers. Each inflatable chamber can be selectively inflated and deflated to vary the pressure exerted from the mattress surface to selec... | 05/22/2007 |
| 7217367 | Microfluidic chromatography The present invention is directed to a microfluidic chromatography apparatus comprising a microfabricated fluid delivery system and a chromatography column which is in fluid communication with the fluid delivery system, and a method for producing and using the same.... | 05/15/2007 |
| 7213615 | Rotating valve The rotating valve for high performance liquid chromatography (HPLC) has a stator with connections for the solvent reservoirs, pumps, chromatography columns etc. and a disc-shaped rotor with connecting grooves on the front face for selectively connecting different c... | 05/08/2007 |
| 7204271 | Electrically operated switch-over valve A bottom wall 11 of a valve chamber 13 of an electric switching valve 10 includes a laminated structure having a bottom cover 11 to which pipe fittings 14, 15, 16 are connected; a valve seat 19 on which the valve ports 19... | 04/17/2007 |
| 7205023 | Method and apparatus for chemical mixing in a single wafer process A method of and apparatus for mixing chemicals in a single wafer process. According to the present invention a chemical is fed into a valve system having a tube of a known volume. The chemical is fed into the valve system to fill the tube with a chemical to generate... | 04/17/2007 |
| 7188787 | Sprayer with water purifier A sprayer with a water purifier, a valve system, and a selector switch for the same are disclosed. In one non-limiting embodiment, when the sprayer is in use, the sprayer includes a purifier for purifying water. The sprayer may be compact and ergonomic. The sprayer ... | 03/13/2007 |
| 7188641 | Water valve assembly for bathroom faucets A water valve assembly for bathroom faucets, comprising a water passage, an accommodating cavity and a flow diverting unit, whereby the flow pathway within a faucet can be adjusted. The accommodating cavity has a first cavity portion and a second cavity portion, the... | 03/13/2007 |
| 7190893 | Fluid heater with low porosity thermal mass A fluid heater apparatus and method of making same includes a low porosity material, thermally conductive mass. A heat source is disposed in the thermally conductive mass for imparting heat to the mass. Fluid in a flow path through the mass absorbs heat from the mas... | 03/13/2007 |
| 7178452 | Espresso machine having a rotating ceramic disk valve as a selective water/steam distributor An espresso machine provided with a rotating ceramic disk valve (1) as a selective water-steam distributor that is in a driving connection with a drive motor (2), and a control device (3) for controlling the drive motor (2). To increase t... | 02/20/2007 |
