| 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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| 08/26/2008 | US7415756 Magnetizing method using a magnetizing jig and method of assembling an electric compressor by using the jig and the magnetizing method |
| 08/21/2008 | US20080199338 Multistage compression type rotary compressor |
| 08/20/2008 | CN101245783A Rotary compressor |
| 08/20/2008 | CN100412465C Refrigerant cycling device |
| 08/19/2008 | US7413419 Water-injected screw compressor |
| 08/14/2008 | WO2008096578A1 Rotary compressor |
| 08/14/2008 | US20080193301 Composite fluid machine |
| 08/13/2008 | CN100410539C Variable capacity rotary compressor |
| 08/06/2008 | EP1953388A1 Multistage compressor |
| 08/06/2008 | CN101238294A Vacuum pump |
| 08/06/2008 | CN101235815A Multistage compressor |
| 08/06/2008 | CN100408861C Multiple cylinder compressor |
| 08/06/2008 | CN100408859C Double cylinder closed rotary compressor and refrigerating air-conditioning device |
| 08/05/2008 | CA2390388C Scroll compressor for natural gas |
| 07/30/2008 | EP1950419A1 Scroll-type fluid machine |
| 07/30/2008 | EP1950377A1 Electric compressor with inverter |
| 07/30/2008 | CN101230858A Evacuation apparatus |
| 07/30/2008 | CN100406815C 冷冻装置 Refrigeration unit |
| 07/29/2008 | CA2440951C Conduit-ready terminal cover |
| 07/24/2008 | WO2008088660A2 Multi-stage compressor/driver system and method of operation |
| 07/24/2008 | WO2008087887A1 Compressor |
| 07/23/2008 | EP1947292A2 Crankshaft |
| 07/23/2008 | EP1359033B1 Air conditioner |
| 07/23/2008 | CN201090444Y Double power-driven system of powder tank truck air compressor |
| 07/23/2008 | CN100404869C Variable capacity rotary compressor |
| 07/23/2008 | CN100404866C Variable capacity rotary compressor |
| 07/22/2008 | CA2438306C Water-injected screw compressor |
| 07/17/2008 | US20080170948 Multi-stage compressor/driver system and method of operation |
| 07/16/2008 | CN101223365A Scroll-type refrigerant compressor |
| 07/16/2008 | CN100402861C Compression system |
| 07/16/2008 | CN100402855C Scroll compressor |
| 07/15/2008 | US7398855 Compressor sound attenuation enclosure |
| 07/09/2008 | EP1941162A1 Scroll compressor |
| 07/09/2008 | CN101218433A Oil supply method and device for two-stage screw compressor, and method of operating refrigeration device |
| 07/09/2008 | CN100400888C Low pressure gas loop for compressor |
| 07/09/2008 | CN100400886C Apparatus for preventing overheating of scroll compressor |
| 07/09/2008 | CN100400884C Vortex compressor with variable volume |
| 07/09/2008 | CN100400883C Apparatus for changing capacity of multi-stage rotary compressor |
| 07/09/2008 | CN100400879C Rotary compressor |
| 07/09/2008 | CN100400877C Scroll compressor with bifurcated flow pattern |
| 07/08/2008 | US7396213 Oil utilized as motor protector trip for scroll compressor |
| 07/03/2008 | DE102007001316A1 Conveyor system dust removing device for e.g. treating plate goods, has root blower that is connected at outlet side with filter and/or screening device, which runs parallel to axis direction of rotor |
| 07/02/2008 | EP1939547A1 Refrigerating air conditioner |
| 07/02/2008 | EP1937976A1 Horizontal scroll compressor |
| 07/02/2008 | CN101210561A Dual-rotor rotary compressor |
| 07/02/2008 | CN100398834C Scroll compressor |
| 06/26/2008 | WO2008044064A3 Vacuum pump |
| 06/25/2008 | EP1936201A2 Compressor system with oil separator |
| 06/25/2008 | EP1936198A2 Vacuum pump |
| 06/25/2008 | EP1936197A1 Scroll compressor with vapor injection system |
| 06/25/2008 | CN201078332Y Air strong suction discharging and fast escape draught fan for mining |
| 06/25/2008 | CN101208496A Fluid machine and refrigeration cycle device |
| 06/25/2008 | CN100396935C Hermetic rotary compressor |
| 06/25/2008 | CN100396933C Rotary compressor |
| 06/25/2008 | CN100396929C Compressor and overload protecting apparatus |
| 06/19/2008 | WO2008072720A1 Scroll fluid machine |
| 06/19/2008 | US20080145238 Vacuum exhaust apparatus and drive method of vacuum exhaust apparatus |
| 06/18/2008 | EP1933034A2 Rotary compressor |
| 06/18/2008 | EP1931880A1 Method of pumping gas |
| 06/18/2008 | CN201074591Y Multilevel Roots dry vacuum pump for straight discharging atmosphere |
| 06/18/2008 | CN101201050A Rotary compressor, and car air conditioner and heat pump type water heater using the compressor |
| 06/18/2008 | CN100395453C Variable capacity rotary compressor |
| 06/18/2008 | CN100395452C Variable capacity rotation compressor |
| 06/11/2008 | EP1930596A2 Motor-driven compressor |
| 06/11/2008 | CN201071809Y Ultra-screw self-boosting compressor main unit |
| 06/11/2008 | CN100394035C Compressor unit |
| 06/11/2008 | CN100394030C Vane rotary type air pump |
| 06/11/2008 | CN100394029C 螺杆式压缩机 Screw compressors |
| 06/04/2008 | EP1458979B1 Vane of compressor |
| 06/04/2008 | CN101191486A Rotary compressor, control method thereof, and air conditioner using the same |
| 06/03/2008 | CA2441830C Compressor assembly having crankcase |
| 06/03/2008 | CA2441052C Horizontal two stage rotary compressor with improved lubrication structure |
| 05/29/2008 | WO2008062839A1 Fluid machine |
| 05/29/2008 | WO2008062838A1 Fluid machinery |
| 05/29/2008 | WO2008062837A1 Fluid machinery |
| 05/29/2008 | US20080124236 Scroll-Type Apparatus |
| 05/28/2008 | CN101187376A Horizontal type compressor and automobile air conditioner equipped with the same |
| 05/28/2008 | CN101187375A Horizontal type compressor and automobile air conditioner equipped with the same |
| 05/28/2008 | CN100390421C Rotary compressor |
| 05/27/2008 | USRE40344 Scroll machine with ported orbiting scroll member |
| 05/22/2008 | WO2008030491A3 Two stage pressure regulation system for variable displacement hydraulic pumps |
| 05/21/2008 | EP1923571A2 Capacity-variable rotary compressor |
| 05/21/2008 | CN101184921A Method of operating a pumping system |
| 05/21/2008 | CN101184919A 电动压缩机 Electric compressor |
| 05/14/2008 | EP1920523A1 Cooling system of an aggregate |
| 05/14/2008 | CN101179216A Rotary compressor |
| 05/14/2008 | CN101178069A Compressor unit |
| 05/14/2008 | CN101178068A Turning two-grade compressor |
| 05/14/2008 | CN100387846C Hermetic compressor |
| 05/13/2008 | CA2464230C Terminal block assembly for a hermetic compressor |
| 05/08/2008 | WO2008053708A1 Rotary fluid machine |
| 05/07/2008 | EP1918510A1 Fluid machine and refrigeration cycle device |
| 05/07/2008 | CN101173664A Second-order compression rotary compressor and its control method and application |
| 05/07/2008 | CN100386524C Assembling mechanism of discharge pipe for hermetic compressor and method thereof |
| 05/07/2008 | CN100386523C Air conditioner |
| 04/30/2008 | CN101169117A Volume controlled rotary compressor air-breathing device |
| 04/30/2008 | CN100385123C Apparatus for controlling the pressure in a process chamber and method of operating same |
| 04/30/2008 | CN100385117C Suction mechanism of rotary compressor |
| 04/29/2008 | US7363696 Method of assembling a sealed type motor-driven compressor |
| 04/29/2008 | CA2441831C Compressor having bearing support |