Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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12/17/2003 | CN1461889A Vibration damper of compressor |
12/17/2003 | CN1131378C Swirl compressor capable of introducing high-pressure fluid into thrust face |
12/16/2003 | US6663369 Fluid compressor |
12/16/2003 | US6663367 Shaft seal structure of vacuum pumps |
12/16/2003 | US6663366 Compressor having cooling passage integrally formed therein |
12/16/2003 | US6663365 Scroll type compressor |
12/16/2003 | US6663364 Scroll type compressor |
12/16/2003 | US6663363 Driving pin structure for scroll compressor |
12/16/2003 | US6663358 Compressors for providing automatic capacity modulation and heat exchanging system including the same |
12/16/2003 | US6662583 Adaptive control for a cooling system |
12/16/2003 | US6662578 Refrigeration system and method for controlling defrost |
12/11/2003 | WO2003102422A1 Two-stage rotary screw fluid compressor |
12/11/2003 | WO2003102421A1 Scroll-type compressor |
12/11/2003 | WO2003102420A1 Gear pump |
12/11/2003 | WO2003102417A1 Four-in pump |
12/11/2003 | US20030228237 Gerotor apparatus for a quasi-isothermal Brayton Cycle engine |
12/11/2003 | US20030228235 Scroll type compressor |
12/11/2003 | US20030228233 Lubrication of a hermetic carbon dioxide compressor |
12/11/2003 | US20030228229 Screw compressor |
12/11/2003 | US20030226360 Heat energy conversion apparatus |
12/11/2003 | DE10225774C1 Vacuum pump, for condensing and aggressive gases, is a dry pump with a membrane pump stage and a spiral scroll pump stage |
12/10/2003 | EP1369590A2 Two-stage rotary type compressor |
12/10/2003 | EP1009590B1 Ergonomically friendly random orbital sander construction |
12/10/2003 | CN1460796A Method for mfg. blade of compressor |
12/09/2003 | US6659749 Hermetic compressor and open compressor |
12/09/2003 | US6659747 Shaft seal structure of vacuum pumps |
12/09/2003 | US6659746 Shaft seal structure of vacuum pumps |
12/09/2003 | US6659745 Scroll compressor having different tip clearances for spiral bodies having different heights |
12/09/2003 | US6659743 Scroll fluid machine having multistage compressing part |
12/09/2003 | US6659738 Composite drive system for compressor |
12/09/2003 | US6659735 Scroll compressor |
12/09/2003 | US6659729 Screw compressor equipment for accommodating low compression ratio and pressure variation and the operation method thereof |
12/09/2003 | US6659227 Oil leak prevention structure for vacuum pump |
12/09/2003 | US6658885 Rotary compressor with muffler discharging into oil sump |
12/09/2003 | US6658866 Scroll expressor |
12/04/2003 | WO2003100258A1 Dual-shaft vacuum pump |
12/04/2003 | US20030223900 Rotary compressor |
12/04/2003 | US20030223899 Scroll compressor |
12/04/2003 | US20030223898 Scroll fluid machine and assembling method thereof |
12/04/2003 | US20030223897 Two-stage rotary screw fluid compressor |
12/04/2003 | US20030223894 Inleakageproof structure for escape opening of a coil-type compressor |
12/03/2003 | EP1366298A1 Water-injected screw-type compressor |
12/03/2003 | EP1366297A1 Water-injected screw compressor |
12/03/2003 | EP1366296A1 Screw vacuum pump comprising additional flow bodies |
12/03/2003 | EP1366294A2 Rotary positive displacement machine |
12/03/2003 | CN2589697Y Compressor load regulating device |
12/03/2003 | CN2589696Y Improved arrangement for compressor back valve |
12/03/2003 | CN2589694Y Single spiral rod air compressor |
12/03/2003 | CN1459572A Vortex compressor |
12/03/2003 | CN1459571A Air compressor |
12/03/2003 | CN1129716C Variable side gap for vortex twisted blade |
12/03/2003 | CN1129715C Hermetic rotary compressor with resonance chamber |
12/02/2003 | US6655938 Screw-type dry vacuum pump having an enlarged casing portion |
12/02/2003 | US6655937 Plastic vane for a vane-cell vacuum pump |
12/02/2003 | US6655172 Scroll compressor with vapor injection |
11/27/2003 | WO2003098048A1 Methods and apparatus for unloading a screw compressor |
11/27/2003 | WO2003098047A1 Vacuum pump |
11/27/2003 | US20030219351 Scroll compressor |
11/27/2003 | US20030217730 Rotary piston engine in trochoidal design |
11/26/2003 | EP1365153A1 Gas compressor |
11/26/2003 | EP1365152A1 Scroll compressor using carbon dioxide |
11/26/2003 | CN2588080Y Vacuum releasing valve for sliding-vane compressor |
11/26/2003 | CN2588077Y Driving end cap for compressor rotor-stator parts |
11/26/2003 | CN1459005A Fluid compressor |
11/26/2003 | CN1458423A Vortex compressor |
11/26/2003 | CN1458422A Vortex compressor |
11/26/2003 | CN1128935C Pump simultaneously producing pressure and negative pressure |
11/26/2003 | CN1128934C Package-type scroll compressor |
11/26/2003 | CN1128933C Vortex-type compressor |
11/26/2003 | CN1128931C Gear and fluid machine with gear pair |
11/25/2003 | US6652250 Screw compressor having intermediate shaft bearing |
11/25/2003 | US6652240 Method and control system for controlling multiple throttled inlet rotary screw compressors |
11/25/2003 | US6651458 Internal intermediate pressure 2-stage compression type rotary compressor |
11/20/2003 | WO2003095841A1 Compressed gas production installation and operating method thereof |
11/20/2003 | US20030215345 Gerotor apparatus for a quasi-isothermal brayton cycle engine |
11/20/2003 | US20030215338 Methods and apparatus for unloading a screw compressor |
11/20/2003 | US20030215336 Multi-stage screw compressor unit accommodating high suction pressure and pressure fluctuations and method of operation thereof |
11/19/2003 | EP1362188A1 Rotary piston machine for compressible media |
11/19/2003 | CN1457303A On-vehicle air conditioner |
11/19/2003 | CN1456814A Antivacuum device for vortex compressor |
11/19/2003 | CN1456813A Sealed rotor duplex compressor and manufacturing method thereof |
11/19/2003 | CN1456812A Unsymmetric porthole of multirotor screw compressor |
11/19/2003 | CN1128295C Scroll fluid machinery |
11/18/2003 | US6648619 Vacuum pump |
11/18/2003 | US6648618 Scroll compressor |
11/18/2003 | US6648617 Method and scroll compressor for compressing a compressible medium |
11/18/2003 | US6648607 Scroll compressor with oil reservoir associated with motor protector |
11/18/2003 | US6648604 Short reverse rotation of scroll compressor at startup |
11/13/2003 | WO2003093649A1 Screw compressor-expander machine |
11/13/2003 | WO2003064857A3 Variable capacity compressor and heat exchanging system |
11/13/2003 | US20030210999 Asymmetric porting for multi-rotor screw compressor |
11/12/2003 | EP1361365A2 Vacuum pump and plastic rotor |
11/12/2003 | EP1361364A2 Multi-rotor screw compressor |
11/12/2003 | EP1361363A2 Vacuum preventing device of scroll compressor |
11/12/2003 | CN2585990Y Suction flow distribution plate of compressor |
11/12/2003 | CN1455849A Pump comprising water supply |
11/12/2003 | CN1455126A Bearing for carbon dioxide refrigrant compressor, compressor using said bearing and use thereof |
11/12/2003 | CN1455113A Vacuum-protective device for vortex compressor |
11/12/2003 | CN1127626C Improved lubrication systems for scroll compressors |
11/12/2003 | CN1127625C Rotary sealed compressor and refrigeration cycle device thereof |