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7621128 |
Combined EGR valve and cooler by-pass
The present invention is an exhaust gas recirculation (EGR) valve for an engine having an exhaust gas recirculation cooler operable for receiving exhaust gas from an exhaust, and delivering the...
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7600535 |
Valve unit for pressure exchanger installations
A valve for switching over liquid paths, particularly for pressure exchanger installations with tubular pressure exchanger chambers ( 3 ) through which an alternating flow occurs, in which a...
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7574901 |
Flow path switching valve, high performance liquid chromatography using the same and analytical method thereof
A flow path switching valve is provided, in which an impact due to the pressure change when a flow path is switched is prevented from being generated. (A) A rotor slot 1 c allows an analysis...
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7566396 |
Flow path switching valve and high performance liquid chromatograph using the same
The present invention is directed to reduce the dead volume in a flow path with trap functions. A flow path switching valve 1 is provided, which includes a rotor, i.e., rotor 3 , and a housing...
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7549295 |
Three track valve for cryogenic refrigerator
A multi valve two-stage pulse tube type GM refrigerator having a rotary valve that comprises one track for flow to the regenerator and two tracks for flow to the pulse tubes where the valve has two...
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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...
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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...
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7503203 |
Rotary valve and analytical chromatographic system using the same
There is provided a rotary valve for fluid analytical systems. The present valve provides improved characteristics such as an extended lifetime. The valve can fulfil different fluid analytical...
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7500490 |
Rotary valve with internal leak control system
Rotary valve comprising (a) a rotor having a rotor face rotatable about an axis perpendicular to the rotor face, a plurality of openings, and at least one passage connecting at least one pair of...
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7497431 |
Pneumatic type paper feeding apparatus
An air current distributing apparatus includes: a cylinder having a first air port communicated with a supply source of an air current and also having a second, a third, a fourth and a fifth air...
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7469716 |
Multiway valve
What is provided is a flow shut-off element, particularly for use in the medical field of peritoneal dialysis, consisting of a valve body ( 2 ) having an inner cavity ( 3 ) and a plurality of...
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7444997 |
Electronically controlled electromechanical valve
An electronically controlled electromechanical valve having at least three ports through which a fluid can flow and at least three different stable positions in which at least 2 ports are in fluid...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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