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Match Document Document Title
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
7168250 Engine valve system and method  
An engine system ( 100 ) has a valve system ( 137 ). An inlet of a turbine ( 109 ) is fluidly connected to a first inlet ( 119 ) of the valve system ( 137 ). An outlet of the turbine ( 123 ) is...
7152620 Flow-reversing valve  
A valve for switching fluid paths, particularly for pressure exchanger installations with tubular chambers through which fluid flows in an alternating manner, including a rotatable closing element...
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...
7132650 High throughput multi-dimensional sample analysis  
High throughput analytical systems and methods employing multiple liquid phase separation process regions coupled to a common mass spectrometer are provided. Disclosed systems and methods permits...
7128876 Microdevice and method for component separation in a fluid  
The present invention relates to a microdevice for separating the components of a fluid sample. A cover plate is arranged over the first surface of a substrate, and, in combination with a...
7096886 Multiport switching valve for a liquid flow system  
A multiport switching valve for a liquid flow system is described, comprising a first member having a plurality of ports for connecting liquid lines thereto, a second member, connected with a first...
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...
7000636 Valve assemblies for use with a reactive precursor in semiconductor processing  
The invention includes chemical vapor deposition methods, including atomic layer deposition, and valve assemblies for use with a reactive precursor in semiconductor processing. In one...
6997213 Low cost plate assembly for rotary valve  
A multiport rotary valve is described providing the interconnection of a plurality of conduits with a predetermined cycle. The valve uses a stack of plates defining channels and ports to form the...
6983922 Piloted directional control valve  
An electrically powered rotary solenoid drives a hydraulic pilot valve to actuate a hydraulic main valve. The pilot valve includes a seal carrier rotatable with respect to a seal plate. A carrier...
6969045 Rotary valve  
The present invention relates to valves with small dead volumes. A valve in accordance with the present invention has a ferrule ( 7 ) which receives a plurality of fluid lines ( 33 ) which lead to...
6959731 Ceramic disc diverter valve  
A ceramic disc diverter valve for use with a water treatment device. The diverter includes a movable disc sandwiched between two stationary discs. The movable disc is rotated between three...
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...
6941970 Liquid distributor valve  
A liquid distributor valve. This valve comprises a compartmented base body being provided with a top cover and having several outlets and an upperly arranged, lateral inlet, a rotatable obturator...
6932112 Multiple port valve  
A valve configured to receive a fluid, such as ambient air, from one or more sources and distribute the fluid to one or more outlet ports selected from a plurality of outlet ports. The valve...
6901948 Liquid fertilizer distribution system and method  
A removable flow restrictor 750 and a corresponding method for regulating flow through a fluid fertilizer distributor 700 are provided. A supply inlet port 712 is in fluid communication with...
6896067 Method and apparatus for distributing fire suppressant  
A fire suppressing system having at least one suppressant source, at least two control valves in communication with the suppressant source, and at least two distributors, each distributor being in...
6889710 Rotary sequencing valve with flexible port plate  
Rotary sequencing valve comprising a rotor having a rotor face rotatable about an axis perpendicular to the rotor face, wherein the rotor face has a plurality of openings, one or more of which are...
6852291 Hybrid valve apparatus and method for fluid handling  
A hybrid valve apparatus for use with an aspiration actuator and a dispensing actuator to transfer fluid from a reservoir to a test site on a substrate surface. The hybrid valve includes a valve...
6845968 Flow-switching microdevice  
A microdevice is provided for controlling fluid flow. The microdevice includes a substantially planar contact surface and a plurality of fluid-transporting features associated therewith. Also...
6843070 Refrigerant recycling system with single ball valve  
A refrigerant handling system includes coupling apparatus for coupling a refrigerant processing apparatus to an automotive air-conditioning system. The coupling apparatus includes a ball valve...
6776189 Four-way switch structure of a fluid control valve  
A fluid control valve includes a main body and a switching member. The main body is provided with a chamber in which the switching member is rotatably disposed. The chamber is in communication with...
6748975 Microfluidic valve and method of manufacturing same  
A microfluidic rotary valve and methods of manufacturing same are disclosed. The rotary valve includes a stator chip having at least one inlet and at least one outlet. The rotary valve also...
6729350 Valve for use with capillary tubing  
A multi-port valve useful in chromatography or other analytical chemistry processes utilizes a ferrule and clamp assembly to connect a number of tubes or capillaries to a common port in the valve....
6712087 Rotary valve assembly for pressure swing adsorption system  
The present invention relates to a rotary valve assembly for a pressure swing adsorption system. The rotary valve assembly includes a first valve member and a second valve member relatively...
6702256 Flow-switching microdevice  
The present invention relates to a microdevice having a valve structure that contains low or no dead volume. The microdevice comprises a substrate and a cover plate each having a substantially...
6699434 Metering valve to deliver liquid  
A metering valve for delivering liquids from a reservoir includes a rotatable valve plug having at least one well in the valve plug. The valve plug prevents direct communication across the valve....
6672336 Dual random access, three-way rotary valve apparatus  
A multi-function, random access, dual, three-way valve for use with fluid switching and the like is provided, whereby a first fluid flow to the valve is selectively placed in fluid communication...
6647934 Unified rotary flow control valve for internal combustion engine cooling system  
An enhanced split cooling system and method for a turbocharged internal combustion engine including a liquid cooled turbocharger 19 and an engine liquid coolant jacket 18 , the system comprising...
6634380 Ceramic disc diverter valve  
A ceramic disc diverter valve for use with a water treatment device. The diverter includes a movable disc sandwiched between two stationary discs. The movable disc is rotated between three...
6575196 Valve cartridge with reduced tolerance stack-up  
A valve cartridge for controlling the flow of fluid between a fluid source and a fluid outlet has a valve body with a rotatable ceramic disk and fixed ceramic disk. A biasing element is disposed...
6557573 Liquid fertilizer distribution system and method  
Apparatus and methods are provided for a fluid fertilizer distributor ( 10, 200, 300, or 400 ) for distributing fluid fertilizer conducted from a supply vessel ( 11 ) to each of a plurality of...
6550497 Multipath rotary disc valve for distributing polymer plastics melts  
A multipath valve for distributing and/or dividing at least one flow of polymer melt during the manufacture and processing thereof, wherein melt flows through all internal chambers of the valve...
6550496 Rotary doser valve  
A rotary doser valve includes a stator with a plurality of ports therein which cooperates with a rotor having a plurality of channels therein. The rotor is rotatable against the stator in first and...
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