| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 09/12/2002 | WO2002070900A1 Water-injected screw compressor |
| 09/12/2002 | WO2001011239A3 Vacuum pump aggregate |
| 09/12/2002 | US20020128730 Disturbance estimated type control system, gas compressor control system and method of designing a disturbance estimated type control system |
| 09/12/2002 | US20020127126 Bi-rotational pump/hydraulic actuator |
| 09/12/2002 | US20020127121 Gas compressor |
| 09/12/2002 | US20020127120 Compressor diagnostic and recording system |
| 09/12/2002 | DE10111525A1 Schraubenvakuumpumpe mit Rotoreinlauf und Rotorauslauf Screw vacuum pump rotor inlet and outlet rotor |
| 09/11/2002 | EP1239160A2 Screw machine and shaft bearing lubrication |
| 09/11/2002 | EP1239159A2 Scroll fluid machine |
| 09/11/2002 | EP1239158A2 Scroll type compressor |
| 09/11/2002 | EP1239157A1 Scroll compressor |
| 09/11/2002 | CN1369049A Prevention of oil backlow from screw compressor in refrigeration chiller |
| 09/11/2002 | CN1090718C Worm compressor with small separation force between fixed and circlar screw pieces |
| 09/11/2002 | CN1090717C Counterweight drag eliminator |
| 09/10/2002 | USRE37837 Reverse rotation prevention for scroll compressors |
| 09/10/2002 | US6447276 Twin screw rotors for installation in displacement machines for compressible media |
| 09/10/2002 | US6447274 Rotary compressor having a cylinder block of sintered metal |
| 09/10/2002 | US6446462 Freezing apparatus |
| 09/10/2002 | US6446456 Heat pump and method for controlling operation thereof |
| 09/06/2002 | WO2002068824A2 Scroll type compressor apparatus with adjustable axial gap and bimetallic orbital scroll |
| 09/05/2002 | CA2374372A1 Scroll type compressor |
| 09/04/2002 | EP1236904A2 Vane type compressor |
| 09/04/2002 | EP1236903A2 Shaft seal structure of vacuum pumps |
| 09/04/2002 | EP1236902A2 Shaft seal structure of vacuum pumps |
| 09/04/2002 | EP1236901A2 Shaft seal structure of vacuum pumps |
| 09/04/2002 | EP1235985A1 Internal-axis screw displacement machine |
| 09/04/2002 | CN2509354Y Fluid compression pumping machine |
| 09/04/2002 | CN2509353Y Rotary sliding-vane compressor |
| 09/04/2002 | CN1367320A Vortex compressor |
| 09/04/2002 | CN1367318A System all-gear meshed chain variable-displacement equipment |
| 09/04/2002 | CN1090295C 涡旋式压缩机 Scroll compressor |
| 09/04/2002 | CN1090294C Vortex compressor |
| 09/04/2002 | CN1090293C 涡旋压缩机 Scroll Compressor |
| 09/04/2002 | CN1090292C Vortex type fluid displacement device |
| 09/03/2002 | US6443712 Hybrid type compressor driven by engine and electric motor |
| 09/03/2002 | US6443711 Inlet bearing lubrication for a screw machine |
| 09/03/2002 | US6443703 Scroll compressor with motor protector in suction flow path |
| 09/03/2002 | CA2275813C Stepped annular intermediate pressure chamber for axial compliance in a scroll compressor |
| 09/03/2002 | CA2275788C Oldham coupling for a scroll compressor |
| 09/03/2002 | CA2241669C Mechanism and method for aligning a fixed scroll in a scroll compressor |
| 08/29/2002 | WO2002066906A2 Hydristor heat pump |
| 08/29/2002 | WO2002066836A1 Rotary piston machine for compressible media |
| 08/29/2002 | US20020119064 Scroll-type compressors |
| 08/29/2002 | US20020119063 Scroll compressor |
| 08/29/2002 | US20020119062 Scroll type compressor apparatus with adjustable axial gap and bimetallic orbital scroll |
| 08/29/2002 | US20020119061 Absorbent article and method of manufacture |
| 08/29/2002 | US20020119054 Gas compressor |
| 08/28/2002 | EP1234981A2 A hermetic scroll compressor |
| 08/28/2002 | CN1366584A 螺杆压缩机 Screw compressors |
| 08/28/2002 | CN1366141A Hermetic compressor |
| 08/28/2002 | CN1366140A Vortex compressor possessing step part for reducing leakage loss of fluid |
| 08/28/2002 | CN1366139A Vortex compressor |
| 08/28/2002 | CN1366138A Vortex compressor |
| 08/28/2002 | CA2367201A1 Scroll compressor |
| 08/27/2002 | US6439867 Scroll compressor having a clearance for the oldham coupling |
| 08/27/2002 | US6439865 Vacuum pump |
| 08/27/2002 | US6439864 Two stage scroll vacuum pump with improved pressure ratio and performance |
| 08/27/2002 | US6439775 Compressor bearings |
| 08/27/2002 | US6438974 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 08/27/2002 | CA2282031C Scroll type compressor in which a soft starting mechanism is improved with a simple structure |
| 08/22/2002 | WO2002064981A1 Horizontal scroll compressor |
| 08/22/2002 | WO2002064389A1 On-vehicle air conditioner |
| 08/22/2002 | US20020114720 Scroll compressor |
| 08/22/2002 | US20020114719 Scrawl compressor |
| 08/22/2002 | US20020114706 Reversible pivoting vane rotary compressor for a valve-free oxygen concentrator |
| 08/22/2002 | US20020112485 Hydristor heat pump |
| 08/21/2002 | EP1233186A2 Rotary compressor |
| 08/21/2002 | EP1233179A2 Composite drive system for compressor |
| 08/21/2002 | EP1232344A1 Vacuum pump comprising an outlet |
| 08/21/2002 | CN1365432A Pump for generating pressure or negative pressure |
| 08/21/2002 | CN1365419A 旋转式活塞发动机 Rotary piston engine |
| 08/21/2002 | CN1089411C Closed compressor |
| 08/21/2002 | CN1089410C 旋转式压缩机 Rotary compressor |
| 08/21/2002 | CN1089409C Twin feed screw |
| 08/21/2002 | CN1089407C Scroll-type refrigerant fluid compressor |
| 08/20/2002 | US6435850 Rotary compressor |
| 08/15/2002 | WO2002063171A1 Scroll compressor |
| 08/15/2002 | WO2001078872A3 Compressor installation provided with a drying device |
| 08/15/2002 | US20020110473 Scroll compressor with slider block having circular inner bore |
| 08/15/2002 | US20020110472 Scroll compressor with slider block having circular inner bore |
| 08/15/2002 | US20020110471 Oil supply cross-hole in orbiting scroll member |
| 08/15/2002 | US20020110470 Scroll type compressor |
| 08/15/2002 | US20020110469 Refrigerating cycle or compressor having foreign matter collector |
| 08/15/2002 | US20020110466 Compressor unit for refrigeration |
| 08/15/2002 | US20020110461 Composite drive system for compressor |
| 08/14/2002 | EP1231382A2 Scroll compressor |
| 08/14/2002 | EP1230486A1 Pump for a fluid or gaseous medium |
| 08/14/2002 | DE10203867A1 Spiralverdichter und Verfahren zum Steuern seines Gegendrucks A scroll compressor and method for controlling its back-pressure |
| 08/14/2002 | DE10164251A1 Spiralverdichter Scroll compressor |
| 08/14/2002 | DE10140456A1 Aussenschalenkonstruktion eines Scrollkompressors für eine Brennstoffzelle Outer shell construction of a scroll compressor for a fuel cell |
| 08/14/2002 | DE10106111A1 Tankfahrzeug-Verdichter Tanker compressor |
| 08/14/2002 | DE10103775A1 Verfahren und Spiralverdichter zur Verdichtung eines kompressiblen Mediums Procedures and scroll compressor for compressing a compressible medium |
| 08/14/2002 | CN1363774A Vacuum compression preverter of vortex compressor |
| 08/14/2002 | CN1363773A High pressure and low pressure separator of vortex compressor |
| 08/14/2002 | CN1363772A Secondary envelope surface type rotary air compressor |
| 08/13/2002 | US6431843 Method of ensuring optimum viscosity to compressor bearing system |
| 08/13/2002 | US6430959 Economizer injection ports extending through scroll wrap |
| 08/08/2002 | WO2002061286A1 Two stage scroll vacuum pump with improved pressure ration and performance |
| 08/08/2002 | WO2002061285A1 Scroll compressor |
| 08/08/2002 | WO2002061283A2 Scroll vacuum pump with improved performance |