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| Number | Title | Issue Date |
| 8146884 | High pressure control valve that allows for multiple pressure drops This invention relates to a control valve which comprises a first and a second flow channel (2, 3), a valve chamber (4) and a closing member (5), from which a shaft (6) extends. A flow connection is established in the control valve throug... | 04/03/2012 |
| 7770867 | Plug valve with flow area equal to or greater than the flow area of the connected piping A plug valve having an entry region, a chamber, and an outlet region, each with a flow area that is equal to or greater than the flow area of, for example, a standard wall ANSI B 36.10 (M) pipe connected to the inlet and outlet flanges of the valve. The valve's plug... | 08/10/2010 |
| 7562860 | Hand-operated pressure regulating valve for compressed air guns A hand-operated pressure regulating valve for compressed air guns includes a basic valve body with a nozzle passage, threads for connection to a compressed air gun and a nozzle body, a pressure regulating unit and an actuating ring. The regulating unit is held by th... | 07/21/2009 |
| 7367544 | Apparatus and method for replacing existing actuator zone valves in an HVAC system with a ball valve An apparatus and method are provided for replacing existing actuator driven zone valves in an HVAC system, and particularly valves of the rubber paddle type having actuators providing less than 90 degrees of rotation, with a ball valve including a skewed seat bearin... | 05/06/2008 |
| 7367229 | Liquid flow regulating device and dynamometer testing device The present invention relates to a regulating device (1) for control of flow and/or pressure, including a housing (3) enclosing a movable inner member (2) which is provided with a passage corresponding to the housing inlet. The inlet comprises a... | 05/06/2008 |
| 7354190 | Two-stage mixing system, apparatus, and method A two-stage mixing system, apparatus, and method produces a solution including a first substance and a second substance in a predetermined ratio by first mixing the first substance with a first liquid to produce a first solution and then mixing the first solution wi... | 04/08/2008 |
| 7322559 | Plug valve having high flow resolution The invention relates to a valve with high flow resolution within a flow range, which valve comprises a valve housing and a valve plug, whereby the valve plug comprises a cavity and a flow regulating slit which in cooperation with the valve housing forms a flow pass... | 01/29/2008 |
| 7282040 | Gravitational pressure regulating mechanism A gravitational pressure regulating mechanism for use with a valve is provided for control of pressure and diversion of bodily fluids. The mechanism includes a reservoir having first and second ends, the first end being open and the second end having a floor and an ... | 10/16/2007 |
| 7281529 | EGR cooler purging apparatus and method An apparatus for an internal combustion engine (200) includes a base engine (201) having an intake system (217) and an exhaust system (209). A turbine (203) has an inlet in fluid communication with the exhaust system (209), ... | 10/16/2007 |
| 7273068 | Electric driven, integrated metering and shutoff valve for fluid flow control A fuel control valve (100) includes a rotary throttling valve assembly (4,7) providing one or more of the benefits of being lightweight, having a relatively low power consumption, having a fail-closed structure and/or zero leakage. The fuel control val... | 09/25/2007 |
| 7264222 | Modular valve assembly A valve assembly provides a holder cantileveredly attached to a boss on an end cap to axially dispose an actuator and a poppet on an axis with a valve seat formed in the end cap. The actuator is preferably a shape memory alloy actuator. The end cap may be placed in ... | 09/04/2007 |
| RE39658 | Ball valve with modified characteristics A valve according to the invention having a disk with a shaped opening and one side interfacing with and conforming to the shape of the exterior of the ball or plug. The disk fits inside the port at the seat area, and is secured by a ring. The ring can be threaded i... | 05/29/2007 |
| 7219877 | Continuous catalyst extraction valve with line cleaning feature A ball valve apparatus 10 for clearing an obstruction in a conduit is disclosed. The ball valve apparatus 10 incorporates a wear resistant choke tube 42 in the downstream opening 40B of the ball 36. The choke tube 42 can be ... | 05/22/2007 |
| 7214210 | Cassette and method for drug preparation and delivery A disposable cassette for mixing an intravenous drug in a vial to a patient includes a liquid inlet for connection to a liquid supply, a first vial spike, a second vial spike and a chamber. The chamber, the first and second vial spikes, and the liquid inlet are in f... | 05/08/2007 |
| 7190707 | Gas discharge laser light source beam delivery unit A beam delivery unit and method of delivering a laser beam from a laser light source for excimer or molecular fluorine gas discharge laser systems in the DUV and smaller wavelengths is disclosed, which may comprise: a beam delivery enclosure defining an output laser... | 03/13/2007 |
| 7152845 | Cock comprising indexable rotating key A cock has an indexable rotating key. Indexing is achieved by a raised element on a shaped base of a housing of a barrel, and a ring which is formed at the end of the key and which is elastically deformable in a transverse plane. The raised element and ring form stu... | 12/26/2006 |
| 7150445 | Valve device having a long adjustment stroke The invention provides a control valve device enabling the positioning precision of its abutment to be reduced without reducing the overall control precision of the valve. For this purpose, the valve device comprises a valve body defining a fluid flow duct in which ... | 12/19/2006 |
| 7124776 | Water faucet having different output effects A water faucet includes a valve body, two conducting members, a valve seat, two control valves, two control handles, and two control plates. Thus, the water faucet is available for an upright water outlet pipe and a horizontal water outlet pipe, so that the water fa... | 10/24/2006 |
| 7118549 | Shunt system including a flow control device for controlling the flow of cerebrospinal fluid out of a brain ventricle An anti-siphon device limits the flow of a fluid from a first region of a patient's body to a second region. The device includes a housing having a spherical inner surface with a predetermined inner diameter. The housing has an inlet port for receiving fluid from th... | 10/10/2006 |
| 7111643 | Flow characterization in a flowpath An apparatus and method are provided for modifying a flow characteristic, such as a valve characteristic, through use of a flow characterizing device having a segmented flow characterizing channel therein including three or more discrete segments, at least one of wh... | 09/26/2006 |
| 7104521 | Dual chamber orifice fitting valve Apparatus and methods for operating a valve assembly for a dual chamber orifice fitting. The dual chamber orifice fitting comprises a body attached to a top. A passageway connects between the body and the top and allows an orifice plate carrier to move between the b... | 09/12/2006 |
| 7083071 | Drink supply canister for beverage dispensing apparatus A drink supply canister for a beverage dispensing apparatus. The drink supply canister includes a removable valve assembly member having a drink supply outlet valve and a gas inlet valve. The beverage dispensing apparatus pressurizes the drink supply canister by sup... | 08/01/2006 |
| 7063302 | Sample valve with integral sample shut off function for chromatograph A multiple port valve integrated with the function of the sample shut off valve is disclosed. The integration of the sample shut off function eliminates extra plumbing and labor costs associated with a separate sample shut off valve. Additionally, the multiple port ... | 06/20/2006 |
| 7028927 | Flowrate control device, in particular for medical use The invention concerns a device comprising two components connected to each other with possible displacement of one component relative to the other, sealing means arranged between said two components, and flow rate adjusting means actuated by displacement of one com... | 04/18/2006 |
| 7007915 | Low energy fluid actuator control element A pilot valve has: an input passageway, an output passageway, a rotatable shaft disposed between them, a permanent magnet affixed to the rotatable shaft, an electromagnet, a control element, and a failsafe magnet. The rotatable shaft has a slot that gives the rotata... | 03/07/2006 |
| 6986361 | Compressed air flow controller An electrically-actuated flow controller for compressed air systems is disclosed. The flow controller includes a control panel, a transducer for sampling downstream air pressure, an electrical actuator with an electric motor, and a valve driven by the motor. The flo... | 01/17/2006 |
| 6935371 | High capacity globe valve A high flow globe valve with a body defining an interior cavity in communication with a first and second fluid passages. A tubular throttling cage is offset in the cavity away from the second fluid passage and has an open end in communication with the first fluid pa... | 08/30/2005 |
| 6923074 | Ball valve with flow-rate gauge incorporated directly in the ball A fluid-flow measuring ball valve includes a replaceable ball within a housing. The replaceable ball includes a flow restriction calibrated to the characteristics of the fluid. Pressure ports on either side of the ball provide for obtaining pressure readings which c... | 08/02/2005 |
| 6916010 | Regulating valve for adjusting the flow in an infusion or transfusion procedure The medical regulating valve for adjusting the flow in an infusion or transfusion procedure has a housing (2), and a valve chamber (21) into which an inlet connecting piece and an outlet connecting piece (22, 23) open. A rotating piece has a cyl... | 07/12/2005 |
| 6910673 | Valve with calibrated flow orifice insert A valve with a calibrated flow orifice insert for use in Heating, Ventilation, and Air Conditioning (“HVAC”) applications so as to provide metered flow through the valve. The insert is used as a flow control device and is inserted into a conventional threaded ba... | 06/28/2005 |
| 6880484 | Self-watering pot A double-walled container having a bottom wall, an exterior wall, and an interior wall disposed in concentric relation to the exterior wall. The bottom wall, the exterior wall, and the interior wall define a liquid fluid-holding reservoir. An annular top wall interc... | 04/19/2005 |
| 6874486 | Supercharger with multiple backflow ports for noise control A supercharger includes multiple back flow ports which are controlled by valves. The valves regulate the timing and area for back flow of pressurized outlet air into the rotor chambers. The back flow air tends to equalize air pressure in the chambers prior to their ... | 04/05/2005 |
| 6863257 | Range burner control valve shutter An improved structure of a range burner control knob valve shutter by providing in recess on the peripheral of the shutter an air pocket containing a larger port and a smaller port; an oil guide groove being provided to the air pocket which is allowed to move in and... | 03/08/2005 |
| 6837480 | Ball valve with adjustable flow coefficient A valve connected to a fluid pipe line and having a valve chamber and at least one inlet port (3) and one outlet port (4), the valve comprising a ball (5) mounted in the valve chamber between a pair of seats (8, 9), and having an exterior... | 01/04/2005 |
| 6808162 | Rotary 2-way servovalve A rotary two-way servovalve provides a continuously variable orifice size in response to an input rotation while minimizing actuation torque. The valve is comprised of a cylindrical spool which is fitted to and rotates within a bore in a body. Fluid is fed into an a... | 10/26/2004 |
| 6779779 | Faucet with secondary opening The valve device (1) includes a valve body (2) defining a fluid flow duct (30) having a plug (20) disposed therein, the plug having a main flow opening (21) and being movable between a first position in which the main flow opening ... | 08/24/2004 |
| 6726175 | Gas valve A valve (100) for controlling gas flow for a gas heating which allows, as different embodiments, (1) A gradual and smooth transition from high flow to low flow. This is achieved by a rotatable control means (108) wherein the valve body or control means... | 04/27/2004 |
| 6644625 | Pistol grip hose nozzle with proportional flow control A pistol grip hose nozzle is disclosed which allows proportional water control in accordance with the position of a rotatable valve. The hose nozzle has a handgrip section with an inlet water passage and an outlet section with an outlet water passage. One... | 11/11/2003 |
| 6520481 | Linearly regulated gas valve for gas burners The current invention is a linearly regulated gas valve for a gas burner, utilizing a central plug to control the gas flow. This valve has the capability of providing a smoothly increasing or decreasing gaseous flow between the highest setting and the low... | 02/18/2003 |
| 6499717 | System and method of use for a refrigerant quick-connect coupling A method of use and apparatus for a quick connect coupling in a fluid system as disclosed herein. The quick connect coupling includes a female coupling assembly and a male coupling assembly. The female coupling assembly includes a female cone housing nest... | 12/31/2002 |
