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7267898 |
Freeze prevention of a fuel cell power plant
A fuel cell power plant comprises a water circulation passage ( 5 ) which circulates the cooling water in a fuel cell stack ( 4 ). Sodium hydroxide which lowers the melting point of water is mixed ...
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7267686 |
Implantable prosthetic valve
A prosthetic valve for implantation within a fluid conducting lumen within a body includes an elongate generally cylindrical radially collapsible valve body scaffold defining a fluid passageway the...
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7267669 |
Two site infusion apparatus
An apparatus for use in delivering pain medication to separate locations from a single source of pressurized medication includes a valve housing, a cap, and a flexible diaphragm. The valve housing ...
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7267404 |
Arrangement for controlling a fluid volume in shape changing elements of seats
A device for controlling a fluid volume in shape changing elements of vehicle seats has a sliding valve connectable with a fluid pressure source and with shape changing elements for filling the sha...
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7267290 |
Cold-performance fluidic oscillator
A fluidic oscillator suitable for use at colder temperatures for generating an exhaust flow in the form of an oscillating spray of fluid droplets has an inlet for pressurized fluid, a pair of power...
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7267140 |
Connecting coupling with a switch unit
A connection coupling for transferring gaseous and liquid fluids comprises a switch unit for actuating valves via a switch slide. The switch unit includes an eccentric shaft. The switch slide is co...
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7267139 |
Valve device
The invention relates to a valve device comprising a valve housing ( 2 ) with a first and a second flow channel ( 3 a , 3 b ), and a first and second damper shaft ( 8 a , 8 b ), which are rotatable...
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7267138 |
Manifold cabinet
A manifold cabinet includes an enclosure having a back wall, a top wall, a pair of side walls, at least two partition walls, a center opening and at least two outside edge openings. The partition w...
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7267137 |
Deadweight pressure standards using non-hysteresis sylphons
A deadweight pressure standard provides improved measurement accuracy and repeatability. The standard includes a flow regulator having a first valve controlled by a first pair of non-hysteresis syl...
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7267136 |
Wet barrel fire hydrant flow preventer
The present invention provides a fluid flow prevention apparatus for a wet barrel fire hydrant which is simple and inexpensive to install and effectively cuts off water flow while reducing water ha...
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7265659 |
Tire pressure management system valve integrity verification method
A method of verifying the integrity of a valve in service in a tire pressure management system is disclosed. The method of verifying valve integrity of a valve interposed between a tire and conduit...
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7264896 |
Two-stage hybrid gas pressure regulator
A gas pressure regulator ( 100 ) includes a mechanical primary stage ( 102 ), preferably including a spring valve, and an electronic secondary stage ( 104 ), preferably including a micromachined pr...
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7264327 |
Pressure regulation by transfer of a calibrated gas volume
Pressure regulation in a liquid reservoir such as an ink of a jet printing head, is obtained by transferring a calibrated gas volume through an auxiliary reservoir, said regulation is being applied...
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7264177 |
Methods, systems and apparatuses for automated irrigation and chemical treatment
An automated irrigation and chemical treatment system comprising a user input device adapted to communicate with a control unit; a mixing chamber adapted to communicate with the control unit and co...
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7264024 |
Valve for closing a container, container and a system and method for filling container
A valve for closing a container and for enabling the container to be filled has a housing ( 20 ) with an inlet port ( 30 ) and an outlet port ( 40 ). A closing member ( 60 ) is provided for sealing...
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7264019 |
Controlled-flow hydraulic distributor
The hydraulic distributor exhibits a cylindrical and internally-hollow body ( 2 ) having an inlet chamber ( 3 ) for a fluid and an outlet chamber ( 4 ) which are interconnected directly (by a commu...
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7264018 |
Pressure regulator
A variable device for regulating the outlet pressure of a fluid from a valve body, includes a pressure-sensing chamber having a wall formed by a resilient self-restoring diaphragm which is responsi...
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7264017 |
Dual-actuator aircraft environmental control system valve
A regulator valve includes dual actuators that operate according to different principles to position a valve element to either an open or a closed position. One actuator, which is an electromechani...
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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 ...
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7264015 |
Non-return valve for a petrochemical reactor
A rapidly replaceable non-return device ( 110 ) for a petrochemical refinery reactor ( 112 ), of the type comprising: a support tube ( 114 ), connected to a portion of the reactor ( 112 ), this sup...
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7264014 |
Safety system hose
A safety system for a fluid conduit having: a hose; a first and second housing connected to the hose, each housing having a first and second opening and an internal cavity having a first cavity and...
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7264013 |
Enhanced purge effect in gas conduit
The present invention provides a gas transfer apparatus designed for enhanced purging of a pigtail conduit and a process for effecting such purging. The apparatus comprises a surge chamber having a...
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7263924 |
Hydraulic circuit and its valve gear
To simplify a circuit structure and a path structure in a hydraulic circuit having a pilot check valve and an overload relief valve and to reduce the size of a gear. The hydraulic circuit includes ...
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7261522 |
Fluid manifold for a welder
A fluid manifold usable with a welder and air compressor combination. The manifold is constructed of a single unitary manifold block and which is divided into two separate fluid communication syste...
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7261323 |
Fuel damper
A device for dampening fuel movement in a tank having an aperture is provided. The device includes a fuel pump and a baffle connected to the pump so that the baffle is permitted to move from a retr...
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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...
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7261245 |
Adaptive irrigation of vegetation
Adaptive irrigation of vegetation is achieved with a probe implanted into the soil for detecting rootage wetness needs by measuring soil impedance with contacts distributed along the probe. When a ...
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7261150 |
Apparatus for humidification and temperature control of incoming fuel cell process gas
A method for humidifying and controlling the temperature of a process gas stream comprising the steps of super-saturating and heating the process gas stream with steam until it reaches a first pre-...
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7261127 |
Modified push-pull valve for filter systems and method
A valve assembly is constructed for use in a filtering system including a pump and a filter with an inlet and an outlet, for example those systems used in conjunction with swimming pools. The assem...
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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 i...
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7261125 |
Valve assembly for liquid containers
A valve assembly for liquid containers includes a base fixed on the water bottle and a connector unit which is connected to the base by a locking member. Each of the base and the connector unit inc...
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7261124 |
Bipolar plate channel structure with knobs for the improvement of water management in particular on the cathode side of a fuel cell
A fluid distribution assembly for use in a fuel cell includes a separator plate having a major face. A boundary element is disposed over the major face. A flow field communicates reactant in a flow...
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7261123 |
Reservoir tank of a power steering system for a car
A reservoir tank of power steering system for a car includes an inlet port delivering oil through a swirl prevention member. The oil is then allowed to flow so swirl does not form in the oil flow o...
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7261122 |
Valve for an expandable gas or fluid distribution system
A system and method for a valve for an expandable gas or fluid valve is disclosed. The valve comprises an electromagnetic switch with a male connector on one face, and a female connector on an oppo...
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7261121 |
Expandable gas or fluid distribution system
A system and method for an expandable gas or fluid distribution system is disclosed. The expandable distribution system comprises at least one device, an endcap, and an inlet piece. The electromagn...
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7261120 |
Device for splitting a two-phase stream into two or more streams with the desired vapor/liquid ratios
A stream splitting device splits a two-phase inlet stream into two or more outlet streams having nearly identical vapor-to-liquid ratios. The inlet stream is directed into a separator vessel contai...
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7261119 |
Pressure regulator with improved outlet pressure control
A pressure regulator comprising a housing, a pivoting lever selectively covering a passage between an inlet port and an outlet port of the housing, a diaphragm interconnected to the lever to rotate...
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7261118 |
Method and vessel for the delivery of precursor materials
Vessel and method for the production and delivery of a precursor-containing fluid stream comprising the gaseous phase of a precursor material are disclosed herein. In one aspect, there is provided ...
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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 valv...
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7260943 |
Apparatus and method for servicing a coolant system
An apparatus, system and method for servicing a coolant system, such as, an automobile air conditioner are disclosed. In one embodiment, the apparatus may comprise a device for measuring a paramete...
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7260496 |
Pressure detector and method of diagnosing blockage of impulse lines
A pressure detector for detecting a high side pressure from a high pressure side impulse line and a low side pressure from a low pressure side impulse line includes a high side pressure variance ca...
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7260462 |
Method for controlling an electromagnetic valve, in particular for an automatic transmission of a motor vehicle
A method for controlling an electromagnetic valve, in particular for an automatic transmission of a motor vehicle. With known methods, electromagnetic valves are triggered with a pulse-width-modula...
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7258533 |
Method and apparatus for scavenging energy during pump operation
A pump comprises a body for at least partially defining a pumping chamber ( 28 ); a pump member which undergoes displacement when acting upon a fluid in the pumping chamber; and a piezoelectric ele...
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7258524 |
Method of regulating the flow rate of air in a rotary shaft of a turbomachine
A device applied to regulating the flow rate of air flowing in a rotary shaft of a turbomachine, the shaft including at least one through orifice for passing air. The device at least one shutter me...
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7258322 |
Manually operated switch for a faucet
A manually operated switch for a faucet has a body, an inner pipe, a switching valve assembly. The body is hollow. The inner pipe is located inside of the body and has a flowing way. The flowing wa...
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7258140 |
Portable pressurized gas supply apparatus for pneumatic equipment
A portable gas supply apparatus comprises first and second storage tanks, a first pressure reducing device, a manifold and a first pneumatic connector fitting. The first storage tank includes an in...
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7258139 |
Modular surface mount fluid system
The present invention provides for a bridge fitting for use in a fluid manifold system for being in fluid communication with two or more surface mounted fluid components having an inlet port and an...
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7258138 |
Methods and apparatus for an on-off controller
Methods and apparatus according to various aspects of the present invention comprise an on-off controller configured to control the flow of pressurized pneumatic fluid. In one embodiment, the on-of...
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7258137 |
System, method, and apparatus for dual gas delivery through a high temperature artifact without undesirable gas mixing
A system conveys two gases separately until controlled delivery and gas mixing are desired. The device maintains separation between the two gases with sealed, high temperature materials, and a geom...
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7258136 |
Pressure regulator
A pressure regulator for regulating fuel pressure in an internal combustion engine, containing a valve including a closing member forced into a valve seat by the action of an angularly shaped valve...
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