| 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) |
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| 02/28/2013 | US20130052056 Hermetic compressor |
| 02/28/2013 | DE112009002719T5 Elektrischer Kompressor mit integriertem Wechselrichter The electric compressor with integrated inverter |
| 02/27/2013 | EP2562422A1 Rotary fluid machine |
| 02/21/2013 | WO2013025518A1 Enhanced efficiency counter-rotating motor driven pumping apparatus, system, and method of use |
| 02/20/2013 | CN202747709U Mixer for air admission, compressor and air conditioning system |
| 02/20/2013 | CN202747708U Mixer for air admission, compressor and air conditioning system |
| 02/14/2013 | US20130036762 Scroll type device including compressor and expander functions in a single scroll plate pair |
| 02/13/2013 | CN202732353U 旋转式压缩机 Rotary compressor |
| 02/13/2013 | CN202732346U 压缩机及空调器 Compressors and air conditioners |
| 02/13/2013 | CN202732345U Vacuum air exhauster |
| 02/13/2013 | CN202732344U Pump body fixing component of rotary double-cylinder compressor, and rotary double-cylinder compressor |
| 02/13/2013 | CN102927008A Compressor, and air conditioning system having it |
| 02/13/2013 | CN102927007A Swing piston type electrical vacuum pump |
| 02/12/2013 | US8371134 Method and apparatus for highly efficient compact vapor compression cooling |
| 02/06/2013 | CN102913449A Novel mounting structure of air blower |
| 02/06/2013 | CN101684802B Two-stage rotating type compressor |
| 02/06/2013 | CN101349268B 螺旋压缩机 Screw compressor |
| 01/31/2013 | WO2013015215A1 Fluid machine |
| 01/31/2013 | WO2013015072A1 Scroll-type fluid machine |
| 01/31/2013 | WO2012031450A8 Two-stage medium-pressure screw-type air compressor set |
| 01/31/2013 | US20130028779 Pump |
| 01/30/2013 | EP2551449A1 Fluid machine |
| 01/30/2013 | CN202707498U Rotor type compressor and pump component thereof |
| 01/30/2013 | CN202707497U Intelligent automatically controlled screw refrigerating compressor |
| 01/30/2013 | CN202707496U Variable-capacity rotary compressor |
| 01/30/2013 | CN202707495U 双级变容量压缩机及空调器 Two-stage variable displacement compressor and air conditioner |
| 01/30/2013 | CN202707494U Compressor and air charging device |
| 01/30/2013 | CN102900671A Rotor compression permanent magnet synchronous compressor |
| 01/30/2013 | CN102900670A Horizontal compressor having symmetrical double cylinders |
| 01/30/2013 | CN102900669A Two stage rotary compressor |
| 01/24/2013 | DE102012201615A1 variable kombinierte Öl-Vakuum-Verdrängerpumpe variable combined oil-displacement vacuum pump |
| 01/23/2013 | EP2549112A2 Dry type multi-stage vacuum pump |
| 01/23/2013 | EP2549111A1 Rotary compressor |
| 01/23/2013 | CN202690456U Medium-pressure oil storage device and compressor system comprising the same |
| 01/23/2013 | CN202690446U Compressor parallel system and double-rotor compressor for the same |
| 01/23/2013 | CN202690445U Vacuum unit |
| 01/23/2013 | CN202690442U Screw compressor |
| 01/23/2013 | CN202684031U Ultralow pressure air control servo system |
| 01/23/2013 | CN102889210A Double-cylinder and double-mode compressor |
| 01/23/2013 | CN102889209A Compression pump body, rotary compressor and refrigerating circulating device |
| 01/17/2013 | WO2013007278A1 Vacuum pump for use in the automotive sector |
| 01/16/2013 | EP2546457A2 Motor-driven compressor |
| 01/16/2013 | CN202673686U Skid-mounted screw type natural gas compressor set |
| 01/16/2013 | CN202673685U Disc-type air compressor |
| 01/16/2013 | CN202673684U Compressor for air-condition |
| 01/16/2013 | CN202673682U Disc air compressor |
| 01/16/2013 | CN101779039B Fluid machine and refrigeration cycle device |
| 01/10/2013 | WO2013005568A1 Multi-cylinder rotary compressor and refrigeration cycle device |
| 01/10/2013 | US20130011285 Three-stage screw compressor |
| 01/09/2013 | CN202659512U Rotary compressor with low pressure in casing |
| 01/09/2013 | CN102865228A Heat pump type compressor for air conditioner of electric vehicle |
| 01/02/2013 | EP2541066A1 Scroll compressor |
| 01/02/2013 | EP2541065A1 Scroll compressor |
| 01/02/2013 | EP2540960A2 Motor-Driven Compressor |
| 01/02/2013 | CN202646012U Integrated-type screw air compressor set |
| 01/02/2013 | CN202646011U Double-stage mixing type roots vacuum pump |
| 01/02/2013 | CN102852794A Multi-cylinder rotary compressor and refrigeration cycle device |
| 01/02/2013 | CN102852793A 回转式压缩机 Rotary Compressor |
| 01/02/2013 | CN102121473B Scroll machine with continuous capacity modulation |
| 01/02/2013 | CN101978226B Refrigeration apparatus |
| 01/02/2013 | CN101793252B Multi-cylinder rotary compressor and refrigeration cycle device |
| 01/01/2013 | US8342829 Three-stage screw compressor |
| 12/26/2012 | CN202628521U Sliding vane air compressor |
| 12/26/2012 | CN202628520U Rotary vane type vacuum pump unit for electric vehicle |
| 12/26/2012 | CN202628519U Roots vacuum machine |
| 12/26/2012 | CN202628518U Multi-group type vacuum pump gas suction device |
| 12/26/2012 | CN102840137A Steam drive type compression device |
| 12/26/2012 | CN102840136A Steam drive type compression device |
| 12/26/2012 | CN102840135A Multi-cylinder rotation type compressor |
| 12/20/2012 | WO2012173123A1 Fluid machine |
| 12/19/2012 | CN202612112U Novel vertical oil-less pump |
| 12/13/2012 | WO2012169339A1 Hermetically sealed compressor and refrigeration cycle device |
| 12/13/2012 | WO2012169181A1 Rotary compressor |
| 12/12/2012 | EP2532895A1 Vacuum pump with pump rotor bearings on a single side |
| 12/12/2012 | CN202597103U Rolling rotor compressor supported by magnetic bearings |
| 12/12/2012 | CN102817846A Screw type single-stage compression air compressor |
| 12/06/2012 | WO2012165646A1 Vacuum pump |
| 12/06/2012 | WO2012165645A1 Vacuum pump |
| 12/05/2012 | EP2530324A2 Rotary compressor |
| 12/05/2012 | CN202586605U Oil cooling motor for compressor and frequency conversion oil-injection threaded-rod air compressor comprising oil cooling motor |
| 12/05/2012 | CN202579193U Two-stage variable-capacity compressor |
| 12/05/2012 | CN202579192U Multistage mechanical vacuum pump set |
| 12/05/2012 | CN202579191U Compressor and air conditioner system and hot pump water heater with same |
| 12/05/2012 | CN202579190U Compressor and air-conditioner |
| 12/05/2012 | CN102812250A 回转式压缩机 Rotary Compressor |
| 12/05/2012 | CN102812208A Rotary Compressor And Method |
| 12/05/2012 | CN102812207A Fluid machine |
| 12/05/2012 | CN102808769A Novel air compressor |
| 12/05/2012 | CN102808768A Rotary compressor |
| 12/05/2012 | CN101855454B Multi-stage dry pump |
| 12/05/2012 | CN101765715B 2 stage rotary compressor |
| 12/05/2012 | CN101387297B Rotary compressor, method for producing thereof and freezing cycle device |
| 11/28/2012 | CN202560564U Scroll air compressor |
| 11/28/2012 | CN202560563U Compressor, air conditioner system comprising same and heat pump water heater system |
| 11/28/2012 | CN102803734A Refrigerant compressor and heat pump device |
| 11/28/2012 | CN102803733A Refrigerant compressor and heat pump device |
| 11/22/2012 | WO2012156011A1 Modular electric compressor including a built-in securing device |
| 11/21/2012 | CN202545252U Pump body structure for double-stage rotary compressor |
| 11/21/2012 | CN202545251U Compression unit and compressor |
| 11/21/2012 | CN102788020A Compressor |