| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 02/13/2013 | CN202732343U 旋转式压缩机 Rotary compressor |
| 02/13/2013 | CN202732342U Single-vane vacuum pump for engine |
| 02/13/2013 | CN202732341U Simplified root's blower |
| 02/13/2013 | CN202732340U 涡旋式压缩机 Scroll compressor |
| 02/13/2013 | CN1606659B Screw compressor with reduced leak path |
| 02/13/2013 | CN102933851A 压缩机 Compressor |
| 02/13/2013 | CN102927714A Refrigeration circulating device for scroll type refrigerating machine |
| 02/13/2013 | CN102927012A Scroll plate structure |
| 02/13/2013 | CN102927009A Low-noise roots vacuum pump |
| 02/13/2013 | CN102927005A Stator of screw rod pump |
| 02/13/2013 | CN101892983B 涡旋压缩机 Scroll Compressor |
| 02/12/2013 | US8371834 Anti-self rotation mechanism of a scroll fluid machine |
| 02/12/2013 | US8371134 Method and apparatus for highly efficient compact vapor compression cooling |
| 02/07/2013 | WO2013018272A1 Pump system for gas exhaust and gas exhaust method |
| 02/06/2013 | EP2554848A2 Vacuum pump |
| 02/06/2013 | EP2554844A1 Compressor |
| 02/06/2013 | EP2553272A2 Scroll compressor with an integrated inlet filter |
| 02/06/2013 | CN202718867U Screw compressor |
| 02/06/2013 | CN202718866U Screw rod compressor |
| 02/06/2013 | CN202718865U Screw air compressor |
| 02/06/2013 | CN102918275A Scroll-type fluid machine |
| 02/06/2013 | CN102913451A 压缩机 Compressor |
| 02/06/2013 | CN102913450A Novel two-end rotor of single-stage roots blower |
| 02/06/2013 | CN102913321A Hypocycloid rotary piston internal combustion engine and compressor |
| 02/06/2013 | CN102032184B Flow-variable horizontal vortex refrigeration compressor |
| 02/06/2013 | CN101684802B Two-stage rotating type compressor |
| 02/06/2013 | CN101349268B 螺旋压缩机 Screw compressor |
| 02/05/2013 | US8366424 Rotary fluid machine with reverse moment generating mechanism |
| 01/31/2013 | WO2013015575A2 Vane rotary compressor |
| 01/31/2013 | WO2013015072A1 Scroll-type fluid machine |
| 01/30/2013 | EP2551527A2 Compressor sound suppression |
| 01/30/2013 | EP2551526A2 Two stage rotary compressor |
| 01/30/2013 | CN202713007U Motor and compressor with same |
| 01/30/2013 | CN202707498U Rotor type compressor and pump component thereof |
| 01/30/2013 | CN202707491U 恒压变量智能空压机 Intelligent constant pressure variable compressor |
| 01/30/2013 | CN202707490U 单螺杆压缩机 Single screw compressor |
| 01/30/2013 | CN202707489U Device for prolonging service life of COREX vertical mill Roots blower |
| 01/30/2013 | CN202707488U Portable inflator |
| 01/30/2013 | CN202707487U 压缩机 Compressor |
| 01/30/2013 | CN202707486U Scroll compressor |
| 01/30/2013 | CN202707485U Scroll compressor with abrasion reduction mechanism |
| 01/30/2013 | CN102900672A Rotor of oil-free screw compressor |
| 01/25/2013 | CA2747299A1 Progressing cavity gas pump and progressing cavity gas pumping method |
| 01/24/2013 | WO2013011658A1 Compressor |
| 01/24/2013 | WO2013011637A1 Stator for gas-evacuation pump, manufacturing method therefor, pump provided with said stator, and manufacturing method and assembly method therefor |
| 01/24/2013 | WO2013011635A1 Screw rotor for gas-evacuation pump, manufacturing method therefor, gas-evacuation pump provided with said screw rotor, and manufacturing method and assembly method therefor |
| 01/24/2013 | WO2013011631A1 Scroll compressor |
| 01/23/2013 | EP2549111A1 Rotary compressor |
| 01/23/2013 | EP2549110A1 Single screw compressor |
| 01/23/2013 | EP2549109A2 Scroll compressor |
| 01/23/2013 | CN202690455U Rotary compressor for reducing oil discharge amount |
| 01/23/2013 | CN202690453U Static disc self-regulation mechanism of commercial scroll compressor |
| 01/23/2013 | CN202690444U Novel dry type rotation air pump |
| 01/23/2013 | CN202690443U Screw compressor body structure and screw compressor including the same |
| 01/23/2013 | CN202690442U Screw compressor |
| 01/23/2013 | CN202690441U Energy-saving oil injection screw type air compressor |
| 01/23/2013 | CN102893031A Scroll-type fluid machine |
| 01/23/2013 | CN102889209A Compression pump body, rotary compressor and refrigerating circulating device |
| 01/23/2013 | CN102889208A Scroll compressor with axially flexible seal |
| 01/23/2013 | CN101550935B Twin-screw compressor screw rotor tooth profile |
| 01/22/2013 | US8356987 Compressor with retaining mechanism |
| 01/22/2013 | US8356585 Planetary rotary engine |
| 01/17/2013 | WO2013008399A1 Rotary mechanism of gas exhaust pump, method for producing same, gas exhaust pump provided with said rotary mechanism, and method for producing same |
| 01/17/2013 | WO2013007470A1 Screw compressor |
| 01/17/2013 | WO2013007163A1 Rotary compressor |
| 01/17/2013 | WO2013006902A1 Rotary fluid machine |
| 01/17/2013 | DE102011051730A1 Schraubenverdichter Screw compressor |
| 01/17/2013 | CA2838858A1 Rotary fluid machine |
| 01/16/2013 | EP2546457A2 Motor-driven compressor |
| 01/16/2013 | EP2545280A2 Lubrication system for a screw compressor |
| 01/16/2013 | CN202673685U Disc-type air compressor |
| 01/16/2013 | CN202673683U Single screw steam compressor |
| 01/16/2013 | CN202673682U Disc air compressor |
| 01/16/2013 | CN102884324A 螺杆真空泵 Screw vacuum pump |
| 01/16/2013 | CN102878079A Low pressure oil injected screw compressor |
| 01/16/2013 | CN102878078A 涡旋压缩机 Scroll Compressor |
| 01/16/2013 | CN101787977B Scroll compressor with three-step capacity control |
| 01/15/2013 | US8353693 Fluid machine |
| 01/10/2013 | WO2013005906A1 Scroll compressor |
| 01/10/2013 | WO2013005905A1 Scroll compressor |
| 01/10/2013 | WO2013005568A1 Multi-cylinder rotary compressor and refrigeration cycle device |
| 01/10/2013 | WO2012076204A3 Vacuum pump for applications in vacuum packaging machines |
| 01/10/2013 | US20130011290 Rotary compressor |
| 01/10/2013 | US20130011289 Improved fluid compressor and/or pump arrangement |
| 01/09/2013 | CN202659510U Rotor for screw compressors |
| 01/09/2013 | CN202659503U Rotating compressor |
| 01/09/2013 | CN202659502U Rotary compressor |
| 01/09/2013 | CN202659501U Rotary compressor |
| 01/09/2013 | CN202659500U Aspirator pump |
| 01/09/2013 | CN202659499U Roots blower applied to calcium carbonate industry |
| 01/09/2013 | CN202659498U Scroll compressor |
| 01/09/2013 | CN102869887A 涡旋式压缩机 Scroll compressor |
| 01/09/2013 | CN102865228A Heat pump type compressor for air conditioner of electric vehicle |
| 01/09/2013 | CN102200127B Low-noise roots blower |
| 01/09/2013 | CN102155408B Rotary-vane vacuum pump suitable for tile vacuum extruder |
| 01/09/2013 | CN101769251B Arc-plug type rotary compressor |
| 01/08/2013 | US8348650 Root pump |
| 01/08/2013 | US8348649 Single screw compressor and a method for processing a screw rotor |
| 01/08/2013 | US8348648 Single screw compressor |
| 01/08/2013 | US8347848 Internal combustion engine |