Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 23 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
Patents for F04C 23 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids (6,201)
10/2010
10/20/2010CN101868598A Compressor integral with expander
10/20/2010CN101868597A Compressor integral with expander
10/19/2010US7814922 Apparatus for controlling the pressure in a process chamber and method of operating same
10/14/2010WO2010117214A2 Rotary-type 2-stage compressor
10/14/2010WO2010116388A1 Screw compressor specially suitable to be connected in parallel in compression units
10/07/2010WO2010113735A1 Sealed fluid machine producing method and sealed fluid machine
10/07/2010WO2010113665A1 Compressor
10/07/2010WO2010113663A1 Compressor
10/06/2010EP2236831A1 Screw compressor
10/06/2010EP2236829A1 Sealed-type scroll compressor
10/06/2010EP2236828A1 Scroll compressor
10/06/2010CN101855454A Multi-stage dry pump
10/06/2010CN101855422A Compressor integral with expander
10/06/2010CN101852207A Duplex-cylinder rotary compressor
09/2010
09/30/2010WO2010109852A1 Discharge muffler and two-stage compressor with discharge muffler
09/30/2010US20100242531 Multi-stage rotary-type fluid machine and refrigeration cycle apparatus
09/29/2010EP2233742A2 Multistage rotary compressor and refrigeration circuit system
09/29/2010CN201593503U Vacuum buffer tank for Roots vacuum unit
09/29/2010CN1976181B Synchronous reluctance motor and compressor having the same
09/29/2010CN1601106B 涡旋机械 Scroll Machinery
09/29/2010CN101846074A Scroll compressor
09/29/2010CN101187375B Horizontal type compressor and automobile air conditioner equipped with the same
09/22/2010EP2230473A1 Freezing apparatus
09/22/2010CN1904370B Multisection rotating type compressor
09/22/2010CN101842596A 2 stage rotary compressor
09/22/2010CN101839241A Two-stage rolling rotor compressor
09/22/2010CN101191486B Rotary compressor, control method thereof, and air conditioner using the same
09/21/2010US7798787 Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method
09/15/2010CN101835988A 2 stage rotary compressor
09/15/2010CN101835987A 2 stage rotary compressor
09/07/2010US7789641 Rotary blade compressor with eccentric axial biasing
09/01/2010EP2224136A2 Air-cooled scroll compressor
09/01/2010EP2224095A1 Compressor integral with expander
09/01/2010EP2224094A1 Compressor integral with expander
09/01/2010EP2224093A1 Compressor integral with expander
09/01/2010CN201568266U Air supplying device causing pneumatic executing component to possess self-lubricating function
09/01/2010CN201568256U Two-motor driving device for vehicle-mounted air conditioner compressor
08/2010
08/25/2010EP2221484A2 Sealed type rotary compressor
08/25/2010EP2221483A2 Sealed type rotary compressor
08/25/2010EP2221482A1 Multi-stage dry pump
08/25/2010EP2221479A2 Scroll type compressor
08/25/2010CN201560943U Rotary type compressor and compressor assembly thereof
08/25/2010CN201560915U Integrative motor driven compressor
08/25/2010CN101815873A A multi stage, clam shell vacuum pump
08/25/2010CN101815872A Refrigeration compressor with variable speed spirals
08/19/2010WO2010092813A1 Scroll-type fluid machine
08/19/2010US20100209259 Evacuation apparatus
08/19/2010DE202009003980U1 Vakuumpumpe Vacuum pump
08/18/2010CN101809291A Rotary fluid machine
08/18/2010CN101809290A Vacuum pump with two helical rotors
08/18/2010CN101806302A Scroll machine
08/17/2010US7775783 Refrigeration system including a scroll expander
08/12/2010US20100202909 Fluid machine and refrigeration cycle apparatus
08/04/2010CN101793252A Multi-cylinder rotary compressor and refrigeration cycle device
07/2010
07/29/2010WO2010085593A2 Scroll compressors with different volume indexes and systems and methods for same
07/29/2010WO2010052060A3 Method for operating an oil-tight vacuum pump and oil-tight vacuum pump
07/29/2010US20100189584 2 stage rotary compressor
07/27/2010US7762792 Compressor
07/14/2010EP2206926A2 Scroll compressor
07/14/2010EP2206925A1 Rotary fluid machine
07/14/2010CN201526458U Two-stage scroll compressor
07/14/2010CN1991178B Double-cylinder rotary sealing type compressor manufacturing method
07/14/2010CN101779039A Fluid machine and refrigeration cycle device
07/14/2010CN101776078A Totally-enclosed type refrigeration compressor and rotor compressor unit thereof
07/13/2010CA2438398C Rotary piston machine for compressible media
07/07/2010EP2204581A1 Electric compressor integral with drive circuit
07/07/2010EP2204531A1 Scroll device for compression or expansion
07/07/2010CN1690424B Permanent low cost radio frequency compressor identification
07/07/2010CN101772649A Two-cylinder rotary type compressor, and refrigerating cycle device
07/07/2010CN101265904B Highly effective low noise scroll-type compressor for electric automobile
07/06/2010US7748226 Waste heat utilizing system
07/06/2010CA2437262C Horizontal scroll compressor having an oil injection fitting
07/01/2010CA2747066A1 A method for controlling a compressor system
06/2010
06/30/2010EP2202384A1 Fluid machine and refrigeration cycle device
06/30/2010CN101765715A 2 stage rotary compressor
06/24/2010WO2010070912A1 Scroll-type fluid machine
06/24/2010US20100158729 Rotary expander
06/24/2010US20100158728 Vacuum pump
06/23/2010EP2198124A1 Scroll device for compression or expansion
06/23/2010CN201513347U carbon dioxide ball-shaped expansion compressor suitable for changing working orders
06/23/2010CN101749242A Screw compressor
06/23/2010CN101749232A High back-pressure compressor for precooling exhaust
06/22/2010CA2636093C Two-stage rotary compressor
06/16/2010EP2196677A1 Rotary fluid machine
06/16/2010EP2196675A2 Rotary vacuum pump
06/16/2010CN201507451U Double-cylinder rotating air compressor
06/16/2010CN101743404A Rotary compressor
06/10/2010WO2010064426A1 Scroll type fluid machine
06/09/2010EP2193276A2 A multi stage, clam shell vacuum pump
06/09/2010CN201502530U Double-cylinder motor structure of beating type air tool
06/09/2010CN101725502A Vacuum pumping system design for vacuum container
06/09/2010CN101344089B Multi-cylinder rotary compressor
06/09/2010CN101258328B Hermetic compressor with a heat dissipation system
06/09/2010CN101245783B Rotary compressor
06/09/2010CN101201050B Rotary compressor, and car air conditioner and heat pump type water heater using the compressor
06/03/2010WO2010061939A1 Dry vacuum pump unit
06/02/2010CN101344090B Multi-cylinder rotary compressor
06/02/2010CN101344086B Multi-cylinder rotary compressor
06/01/2010US7726020 Method of manufacturing a compressor
05/2010
05/26/2010EP2188530A1 Multi-level rotary piston vacuum pump or compressor
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