Matches 1 - 50 out of 217 1 2 3 4 5 >


Match Document Document Title
9028222 Variable output pump  
A variable output pump includes a fluid input, a control stage pump having an input portion and an output portion, a main stage pump having an input portion and an output portion, and a...
8939732 Multi-stage compressor  
Provided is a multi-stage compressor which includes: a first-stage compressing unit which includes a first compressing element with an impeller and a second compressing element with an impeller,...
8932026 Fuel supply apparatus  
A fuel supply apparatus includes a fuel pump having an electrically driven motor. A controller is connected to the motor of the first fuel pump and is capable of determining an estimated pressure...
8931564 Method and apparatus to transport subterranean oil to the surface  
A method to extract oil for a pool of oil in the ground utilizes an interconnected series of rotating helical blades extending from the surface of the ground through a canted bore to the pool of...
8887760 System for delivering frac water at high pressure  
A system for delivering frac water at high pressure is provided, including a first pump positionable within a tank, the first pump configured to receive water from within the tank and output the...
8833102 Turbo compressor and refrigerator  
A turbo compressor includes a case; a plurality of compression stages which is disposed rotatably with respect to the case via sliding parts; an oil tank in which lubricant oils to be supplied to...
8740588 Multiple inlet vacuum pumps  
First and second pump stages provide a flow-path from an inlet to the outlet (30), the flow-path being arranged so that molecules entering the first inlet (26) pass to the outlet through the first...
8734126 Screw compressor  
A screw compressor includes a low pressure stage compressor body; a high pressure stage compressor body that further compresses a compressed air compressed by the low pressure stage compressor...
8721299 Piston member, an apparatus comprising the piston member, and methods and use of the piston member and the apparatus  
A piston member that includes a piston rod provided with a piston serves for reciprocating inside a cylinder barrel, the piston dividing the cylinder barrel chamber into a proximal cylinder barrel...
8708666 Multi-stage compressor  
A multi-stage compressor (1) for compressing gases with a low-pressure region (2) and a high-pressure region (5), wherein at least one rotary compressor (3) is provided in the low-pressure region...
8668465 Hydraulic system with supplement pump  
If a hydraulic system has several modes of operation, in particular a mode with a high pressure demand (II) and a mode with a high fluid flow demand (II), the hydraulic fluid pump has to be built...
8647076 Multistage compressor installation  
A multistage compressor installation in which compression stages utilizing centrifugal compressors are independently driven by drivers that can be electric motors configured to be controlled by a...
8591199 Multi-stage compressor/driver system and method of operation  
An improved system and methodology for starting up a gas-turbine driven multi-stage compressor. The improvement involves isolating individual compression stages and creating positive pressure in...
8579608 Fluid energy machine  
A fluid energy machine, in particular a compressor, is provided. The fluid energy machine includes a common rotor, which is mounted using magnetic bearings, for the flow machine and the drive. In...
8568107 Multi-stage compressor  
A multi-stage compressor (1) for compressing gases with a low-pressure region (2) and a high-pressure region (5), wherein at least one rotary compressor (3) is provided in the low-pressure region...
8506267 Pump assembly  
A technique facilitates the pumping of fluids in a well related application while minimizing the number of system components. The system and methodology comprise a plurality of pumps for use at a...
8485793 Chip scale vacuum pump  
A chip scale structure fabricated from known MEMS processes is provided including a pump actuator, a pump volume, pump membrane, a valve membrane, a valve aperture, and a valve actuator. The pump...
8444396 Fluid transferring system and micropump suitable therefor  
Disclosed herein is a micro fluid transferring system that comprises a micropump having a chamber, a first fluid transferring portion connected to the chamber, and a second fluid transferring...
8376717 Multi-stage compressor  
A multi-stage compressor (1) for compressing gases with a low-pressure region (2) and a high-pressure region (5), wherein at least one rotary compressor (3) is provided in the low-pressure region...
8353684 Phase change compressor  
A method for compressing a gas by using energy produced from a heat source. A boiler is provided. The boiler is segregated into an upper chamber and a lower chamber by a barrier such as a piston,...
8322998 Serial axial fan  
A serial axial fan includes first and second axial fans. Each of the first and second axial fans includes a base portion and a plurality of support ribs arranged to connect the base portions to...
8287249 Two-stage membrane pump with economical inlet port design  
A two-stage membrane pump having a first pump head and a second pump head is provided. The pump heads are typically crank operated with a camshaft set up such that one pump head is in exhaust mode...
8241011 Fan having two impellers  
A fan includes a first motor having a first rotor and a second motor having a second rotor which is rotationally connected to the first rotor. The fan further comprises a first impeller which,...
8231363 Screw compressor  
A screw compressor comprising: a low pressure stage compressor body; a high pressure stage compressor body that further compresses a compressed air compressed by the low pressure stage compressor...
8210827 Sanitary pump assembly  
A progressing cavity pump system including a feeder assembly including a hopper for receiving material to be pumped therein. The feeder assembly includes an auger housing receiving an auger...
8147215 Reciprocating-piston compressor having non-contact gap seal  
A reciprocating-piston compressor having at least two working cylinders arranged in series, along a cylinder axis is described. The compressor includes a piston in each of the cylinders, guided in...
8137081 Compressor unit  
A compressor unit for underwater operation is provided. The compressor unit includes a compressor having a compressor rotor and a plurality of compressor stages. The compressor unit also includes...
8128340 Stacked self-priming pump and centrifugal pump  
A stacked pump arrangement for mixed-media flow includes a first, self-priming, centrifugal pump with a volute having an inlet and an outlet and a second straight centrifugal pump mounted to an...
8123458 Stacked self-priming pump and centrifugal pump  
A stacked pump arrangement for mixed-media flow includes a first, self-priming, centrifugal pump with a volute having an inlet and an outlet and a second straight centrifugal pump mounted to an...
8109743 Axial flow fan unit  
An axial flow fan unit includes a first and a second axial flow fan. The first axial flow fan includes a first motor, a plurality of first lead lines connected to the first motor, a first impeller...
8096782 Multistage sealed coolant pump  
A multistage sealed pump is provided for use in an X-ray tube cooling system which is substantially more efficient than pumps of known construction and which provides substantially higher pumping...
8087429 System and method for a pump with reduced form factor  
Embodiments of the present invention provide pumps with features to reduce form factor and increase reliability and serviceability. Additionally, embodiments of the present invention provide...
8047809 Modular air compression apparatus with separate platform arrangement  
A method of assembling a fluid compression system includes coupling at least one first compression apparatus to a first platform. The method also includes coupling at least one drive apparatus to...
8025490 Serial fan assembly and connection structure thereof  
A connection structure is applied to a serial fan assembly, which includes an upstream fan and a downstream fan. The upstream fan and the downstream fan have different sizes. The connection...
7998426 Plasma-based gas treatment system integrated in a vacuum pump  
A pumping system comprising at least one pump unit (2) with a vacuum pump casing in which there are multiple pumping stages that includes at least one pumped gas treatment system is provided. The...
7914265 Evacuation of a load lock enclosure  
A system for evacuating an enclosure is provided. The system includes a first vacuum pump having an inlet selectively connectable to an outlet from the enclosure. A second vacuum pump is also...
7901192 Two stage reciprocating compressor and refrigerator having the same  
A two stage reciprocating compressor includes a casing. A first compressing unit is disposed in the casing and includes a first piston and a first cylinder, the first compressing unit being driven...
7832992 Air cooled packaged multi-stage centrifugal compressor system  
An air-cooled multi-stage compression system using centrifugal compressors is disclosed. It is packaged in a comparable volume to a water-cooled unit having the same driver horsepower. The...
7819635 Vacuum pump with a continuous ignition source  
A multi-stage vacuum pump comprises, between adjacent stages of the pump, a continuous ignition source for igniting a fuel within a pumped fluid. This can ensure that the concentration of the fuel...
7798787 Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method  
There is provided an internal intermediate pressure multistage compression type rotary compressor capable of reducing a height dimension while reducing the amount of oil to be discharged outside....
7775775 Two stage reciprocating compressor and refrigerator having the same  
A two stage reciprocating compressor includes a casing. A first compressing unit is disposed in the casing and includes a first piston and a first cylinder, the first compressing unit being driven...
7708538 Oil free screw compressor  
The invention downsizes and simplifies structures of a compressor and its driving system apparatus, and achieves a reduction of a noise. An oil free screw compressor is constituted by compressor...
7662290 Integrated water decontamination plant and well pump arrangement  
The present invention removes contaminants from well water without creating the problem of large volumes of waste liquid disposal. It uses double-cone devices as pressure amplifiers which due to...
7648337 Multistage pump  
A multistage pump according to the present invention has a plurality of intermediate casings (2) formed by press-forming a steel plate. The intermediate casing has a cylindrical side portion (21),...
7618245 Fluid machine  
Oil supply grooves (74, 84) are formed respectively in a rotating shaft (70) of a compression mechanism (50) integral with an electric motor (40) and in a rotating shaft (80) of an expansion...
7588423 Pump for liquid chromatograph  
Provided is a liquid chromatograph pump system which sucks eluent from an eluent reserving container, and which feeds pressurized high pressure eluent into a column, wherein a plunger...
7572110 Pumping apparatus using thermal transpiration micropumps  
Pumping apparatus of the invention using thermal transpiration micropumps comprises a plurality of individual thermal transpiration micropumps distributed over a substrate (5) as a plurality of...
7566205 Reciprocating pump and check valve  
In a reciprocating pump, drive power of a drive-power supply member is transmitted to a diaphragm within a diaphragm drive chamber via operating fluid. An operating-fluid-flow regulation chamber...
7383967 Apparatus and methods for pumping high viscosity fluids  
A system for dispensing and filtering fluid is disclosed, in which the fluid flow path is substantially vertical from the fluid inlet through fluid dispense. Substantially all wetted surfaces are...
7329105 Multi-directional pump  
A multi-directional pump is disclosed generally comprising a housing with inlet and outlet ports, a pumping device disposed therein, a first chamber in fluid communication with the inlet port, and...

Matches 1 - 50 out of 217 1 2 3 4 5 >