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Match Document Document Title
8167581 Device for delivering a liquid, the device comprising a pump and a valve  
A device for delivering a liquid including a pump, and an anti-siphon valve external to the pump is disclosed. The anti-siphon valve includes an inlet channel connected to the outlet duct of the...
8047807 Vehicle transmission with jet pump  
The present disclosure relates to a vehicle transmission with jet pump. The jet pump includes a hydraulic control system that has a nozzle fitted between a first and second housing. The nozzle is...
7887310 Compressor unloading valve  
A compressor (20) has an unloading slide valve (100). The valve has a valve element (102) having a range between a first condition and a second condition, the second condition being unloaded...
7890216 Control valve and positioner diagnostics  
Valve positioning systems may include one or more components and a controller. Components may include one or more electric-to-pressure output converters, relays, gas supplies, and/or actuators. A...
7824160 Scroll compressor and refrigerating apparatus  
A scroll back pressure chamber in a scroll compressor is composed of a space 111 filled with suction pressure (or intermediate pressure) and a space filled with discharge pressure, and the...
7762788 Fluid conveyance system and fluid conveyance device  
A fluid conveyance system includes: a fluid conveyance device including a micro pump module which compresses a flexible tube communicating with a fluid containing receptacle and discharges a fluid,...
7726285 Diesel engine and supercharger  
A four stroke diesel engine combined with a supercharger is operable to supply varying amounts of air to the engine responsive to the load on the engine. The supercharger has a pair of rotors...
7377755 Multi-stage rotary compressor  
A multi-stage rotary compressor to reduce a driving load and prevent a malfunction due to an abrupt pressure rising. In the compressor of the type including first and second compressing units...
7354253 Oil pump  
An oil pump includes: a rotor 3 for actuating a pump action to suck oil in a suction passage 24 from a suction port 27 to supply oil to a delivery passage by way of a delivery port 19; and a flow...
7331769 Pumping system  
A pumping system including a fluid inlet line and a primary pump for the fluid. The primary pump includes an impeller in an impeller chamber, with the impeller chamber adapted to receive fluid from...
7318509 Temperature compensating hydraulic shear pump  
Pump pressure output can be controlled as temperature changes by a temperature compensation element. The present invention provides a shear channel constructed out of two or more materials enabling...
7284453 Method and apparatus for maximizing liquid aspiration from small vessels  
Apparatus and method for aspirating liquid from a container, e.g., a test tube or other vessel, includes apparatus for sensing that an aspiration probe tip is contacting the inside bottom wall of...
7197890 Valve for preventing unpowered reverse run at shutdown  
An inventive method of preventing unpowered reverse rotation in a compressor includes the steps of placing a solenoid valve at a location near compressor discharge. The valve is preferably actuated...
7175397 Effervescent gas bleeder apparatus  
A diaphragm metering pump suitable for metering an effervescent gas. The pump has a pump head with a product chamber having an inlet end with a one-way inlet valve and an outlet end with a one-way...
7121813 Reverse rotation preventing structure of centrifugal compressor  
The invention relates to a reverse rotation preventing structure of a centrifugal compressor. The reverse rotation preventing structure of the centrifugal compressor comprises: a discharge pipeline...
7048515 Hydraulic drive system and method using a fuel injection control unit  
A fuel injection control unit, including an electronic governor and a controller for an engine performs control in a governor region based on an isochronous characteristic. A working machine...
6904762 Pump pressure limiting method  
A novel pump pressure limiting method for preventing coolant in a cooling system from reaching pressures that exceed predetermined system coolant pressure limits. The method includes reducing the...
6786202 Hydraulic pump circuit  
A hydraulic pump is provided that includes a housing having a fluid inlet and a fluid outlet. A pumping element is operable to increase the pressure of fluid received through the fluid inlet and to...
6773237 Air compressor workbench  
A workbench for an air compressor that includes a work surface as its top surface. The workbench is provided on wheels, such as caster wheels. The workbench may be closed by panels to attenuate...
6772734 Fuel injection system for internal combustion engines exhibiting improved start behavior  
A fuel injection system in which, by means of a controlled zero-feed throttle or by the elimination of the zero-feed throttle and by a suitable control of the pressure valve of a common rail, the...
6684946 Gas-lock re-prime device for submersible pumps and related methods  
A submersible pump assembly has a pump and a valve connected to the outlet of the pump. An outlet of the valve is connected to a riser. A valve member in the valve housing is vertically movable...
6685440 Methods of pressure fluctuation dampening  
A pressure booster and method for amplifying a water pressure that is supplied by a water facility is provided. The pressure booster is configured to be connected between the water facility and one...
6682316 Dispensing system for petrol-pumps, including a bypass and principle valve  
A dispensing system for petrol pumps, comprising a pump, a dispensing valve in a petrol pump nozzle and an electrically controllable solenoid valve (10), characterized in that the solenoid valve...
6641372 Dual discharge hydraulic pump and system therefor  
A hydraulic pump includes a housing, a primary discharge outlet, an auxiliary discharge outlet, and a flow control valve for controlling fluid flow from the primary and auxiliary discharge outlets....
6619025 Ecology valve and system in an aircraft engine fuel system  
The present invention is directed toward an ecology valve that drains working fuel to the sump chamber of the ecology valve upon engine shut down. The ecology valve has a piston slidable in the...
6561767 Converting a pump for use in supercritical fluid chromatography  
A method for converting a pump for use in a flow stream containing a mixture of highly compressed gas, compressible liquid or supercritical fluid wherein the pump delivers a compressible fluid...
6551068 Process for protecting a turbocompressor from operating in the unstable working range  
To protect a turbocompressor (3) with a downstream process from operation in the unstable working range, a machine controller is used, which optionally contains—besides a surge limit controller (...
6537033 Open loop control apparatus for vacuum controlled systems  
An open loop feedback control apparatus for a vacuum controlled system for providing vacuum stability within a predetermined range of vacuum levels is shown. The open loop feedback control...
6471487 Fluid delivery system  
The fluid delivery system comprises a Coriolis mass flowmeter, a pump, a recirculation valve, and/or a back-pressure valve. The fluid delivery system prevents the measurement of a multiphase fluid...
6468052 Vacuum relief device for fluid transfer and circulation systems  
A safety device for use in a fluid transfer and/or circulation system of the type which uses a pump to draw water from a reservoir through one or more intake lines each extending from an open end...
6461117 Reversible volume oil pump  
A fluid pump is provided that produces an outflow of fluid that is not proportional to the speed of the input drive. Thus, the fluid pump can be tuned to provide a substantially constant outflow of...
6443703 Scroll compressor with motor protector in suction flow path  
Motor protectors are positioned in a location in a scroll compressor where they are cooled by suction refrigerant flow. If the volume of refrigerant flow decreases, then the cooling effect also...
6406273 Pressure fluctuation dampening system  
A pressure booster and method for amplifying a water pressure that is supplied by a water facility is provided. The pressure booster is configured to be connected between the water facility and one...
6371736 Process and apparatus for pre-filling a fuel system in a vehicle  
A method and apparatus for first filling a fuel system in a motor vehicle equipped with at least two operating elements as well as a fuel pump delivering the fuel is provided. For simplifying the...
6322326 Modular condensate pump assembly  
The present invention provides an improved, modular condensate pump assembly that has a collection tank which can be disposed at any convenient location to collect liquid condensate. A removable...
6254362 Vacuum pump with dust collecting function  
A vacuum pump with dust collecting function is proposed to deal with the case where dust produced by a process of productions by reaction in a processing vessel under vacuum may to enter a vacuum...
6250894 Load sharing valve and system for operating centrifugal pumps in parallel  
A system allows pumps to run in parallel and preventing back flow through a non-operational pump. The system includes a first pump in parallel with a second pump. The system further includes a...
6209309 Pulse width modulated fuel flow control for an engine  
Mechanical complexity and high cost in a fluid flow control system are avoided through the use of a pulse width modulated (PWM) valve (20) to meter a fluid flow to an inlet (50) of a pump (16) that...
6203286 Electric fuel pump which is self-filling at low fuel levels in a fuel tank  
An electric fuel pump mountable in a fuel tank for pumping fuel to an internal combustion engine. A casing of the fuel pump is mountable at a bottom wall of the fuel tank and has a fuel inlet at a...
6183216 Arrangement for long-distance conveying of thick matter  
The invention concerns an arrangement for conveying thick matter, in particular liquid concrete. The arrangement comprises a pump (12) which is to be charged on the input side with thick matter to...
6171071 Water pump having water cooling device  
A water pump includes a housing having a water inlet, a water outlet, an exit and a mouth. A circulating water passage couples the exit to the mouth of the housing. A pump may pump water from the...
6149399 Fuel tank dual fuel delivery module  
A fuel delivery module (10) adaptable for use in a gasoline or diesel fuel tank includes certain common module components for use in both gasoline or diesel fuel delivery applications. The common...
6123686 Systems and methods for cassette identification for drug pumps  
The present invention concerns a pump provided with a control module and an attachable fluid reservoir cassette. The control module includes a pumping mechanism for pumping fluid from the fluid...
5911562 High pressure fluid delivery system with automatic priming valve  
An improved valve assembly for automatically priming a hydraulic pump during a suction-fed application wherein the pump must draw fluid from within a holding tank for subsequent pressurization and...
5902094 Flow control valve for a pressure washer  
A pressure washer is powered by a prime mover, e.g., an electric motor or an internal combustion engine, and has a flow control valve. The valve has a housing containing a piston assembly and the...
5844490 Monitoring device for a chemical reagent supply system  
A monitoring device for a chemical reagent supply system includes a position voltage generator, mounted to a pump of the supply system, to monitor the expansion state of a bellows. The actual...
5813839 Gas driven external combustion heat engine pump having the outlet pipe connected to a variable buoyant float  
An external-combustion heat engine pump, one version consisting of four chambers, one liquid and one gas pumping chamber, a gas heating chamber and a gas cooling chamber. The two pumping chambers...
5662459 Pressurized gas driven liquid pump having the outlet pipe connected to a variable buoyant float  
A pump mechanism adapted to float on a reservoir of liquid characterized by a floating enclosure provided with an internal chamber, an open cycling container, disposed within the chamber, an output...
5590675 Anti-siphon valve  
A method of valving a flow of pumped fluid, to prevent siphoning of the flow when the pump is stopped, including the steps of filling a chamber with fluid, directing a small flow of pumped fluid...
5513960 Rotary-vane pump with improved discharge rate control means  
A rotary-vane pump includes a pressure chamber in which a constant pressure is developed, and a pair of discharge passages connecting the pressure chamber to a discharge port. On of the discharge...
Matches 1 - 50 out of 123 1 2 3 >