| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 10/22/2002 | US6467280 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 10/22/2002 | CA2270262C Scroll-type compressor |
| 10/17/2002 | US20020150494 Shaft seal structure of vacuum pumps |
| 10/17/2002 | US20020150493 Rotary compressor |
| 10/17/2002 | US20020150492 Scroll compressor and scroll-type pressure transformer |
| 10/17/2002 | US20020150491 Scroll compressor and scroll-type pressure transformer |
| 10/17/2002 | US20020150490 Scroll compressor with anti-reverse rotation clutch |
| 10/17/2002 | US20020150489 Rotary vane type vacuum pump rotor |
| 10/17/2002 | US20020150485 Scroll compressors |
| 10/17/2002 | US20020148592 Apparatus for casting scroll member and method of manufacturing scroll member |
| 10/16/2002 | CN1374899A Ergonomically friendly random orbital sander construction |
| 10/16/2002 | CN1374458A Method for aligning scroll compressor structural components |
| 10/16/2002 | CN1374456A Fluid mechanism |
| 10/16/2002 | CN1092764C Closed rotary compressor |
| 10/15/2002 | US6464481 Scroll compressors |
| 10/15/2002 | US6464480 Oil spout for scroll compressor |
| 10/15/2002 | US6464470 Scroll compressor with variable discharge port |
| 10/10/2002 | US20020146340 Scroll type compressor |
| 10/10/2002 | US20020146335 Motor-driven compressors and methods of assembling motor-driven compressors |
| 10/10/2002 | US20020146332 Screw compressor with axial thrust balancing and motor cooling device |
| 10/10/2002 | DE10213244A1 Spiralverdichter mit Schmierversorgung Scroll compressor lubricant supply |
| 10/09/2002 | EP1247023A2 A screw compressor injected with water |
| 10/09/2002 | CN2515438Y Vortex type air compressor |
| 10/09/2002 | CN1373300A Vortex compressor |
| 10/09/2002 | CN1373299A Vortex compressor |
| 10/09/2002 | CN1373298A 气体压缩机 Gas compressor |
| 10/09/2002 | CN1092293C 涡旋式压缩机 Scroll compressor |
| 10/09/2002 | CN1092292C Scroll compressor with controlled fluid venting to back pressure chamber |
| 10/08/2002 | US6461132 Scroll compressor with unique mounting of non-orbiting scroll |
| 10/08/2002 | US6461131 Radial compliance scroll compressor |
| 10/08/2002 | US6461130 Scroll compressor with unique mounting of non-orbiting scroll |
| 10/08/2002 | US6461129 Scroll type compressor apparatus with adjustable axial gap |
| 10/08/2002 | US6461120 Sealed-type electric compressor having refrigerant passage |
| 10/08/2002 | US6461119 Lift valve for a rotary screw compressor |
| 10/08/2002 | US6461112 Screw compression apparatus and operation control method thereof |
| 10/03/2002 | US20020141893 Shaft seal structure of vacuum pumps |
| 10/03/2002 | US20020141892 Scroll compressor and scroll-type pressure transformer |
| 10/03/2002 | US20020141886 Displacement machine for compressible media |
| 10/03/2002 | US20020141877 Compressor diagnostic system |
| 10/03/2002 | US20020139137 Method and apparatus for maintaining compressor discharge vapor volume for starting with condensing unit ambient temperatures less than evaporator unit ambient temperatures |
| 10/02/2002 | EP1245913A1 Compressor diagnostic system |
| 10/02/2002 | EP1245912A2 Compressor diagnostic system |
| 10/02/2002 | EP1084348B1 Rotary piston blower |
| 10/02/2002 | DE10160722A1 Spiralverdichter und Verfahren zum Herstellen desselben The same scroll compressor and method of manufacturing |
| 10/02/2002 | CN1091848C Screw-type compressor with liquid locking release device |
| 10/02/2002 | CN1091846C Scroll machine with capacity modulation |
| 10/01/2002 | US6457960 Excellent wear resistance and high reliability; using hydrocarbon refrigerant and mineral oil or synthetic oil. |
| 10/01/2002 | US6457959 Anti-rotation mechanism for movable scroll in scroll compressor |
| 10/01/2002 | US6457948 Diagnostic system for a compressor |
| 10/01/2002 | US6457562 Lower bearing mount for sealed compressor |
| 10/01/2002 | CA2292366C Scroll-type compressor |
| 10/01/2002 | CA2255359C Scroll-type compressor and operation method therefor |
| 09/26/2002 | US20020136656 Positive-displacement pump |
| 09/26/2002 | US20020136654 Scroll-type compressor with lubricant provision |
| 09/26/2002 | US20020136653 Scroll compressors and methods for circulating lubrication oil through the same |
| 09/26/2002 | US20020136652 Electrically driven compressors and methods for circulating lubrication oil through the same |
| 09/26/2002 | US20020136647 Screw compressor |
| 09/26/2002 | US20020134101 Electrically driven compressors and methods for circulating lubrication oil through the same |
| 09/26/2002 | DE10200378A1 Gerät und Verfahren zum Steuern eines elektrischen Verdichters Apparatus and method for controlling an electric compressor |
| 09/26/2002 | DE10160659A1 Spiralverdichter Scroll compressor |
| 09/25/2002 | EP1243795A1 A two-stage vacuum pump |
| 09/25/2002 | EP1242743A1 Screw vacuum pump with a coolant circuit |
| 09/25/2002 | EP1242742A1 Cooled screw vacuum pump |
| 09/25/2002 | CN2512925Y Piston air exhaust type gas compressor for air conditioner |
| 09/25/2002 | CN1371453A Internal intermediate pressure 2-stage compression type rotary compressor |
| 09/25/2002 | CN1371452A Closed motor-driven compressor |
| 09/25/2002 | CN1370932A Oiler with axial pressure sealing |
| 09/25/2002 | CN1370930A 旋转压缩机 Rotary compressor |
| 09/25/2002 | CN1370929A Spiral compressor with sliding block having spiral inner hole |
| 09/25/2002 | CN1370928A Horizontal oiling hole of spiral member in spiral motion |
| 09/25/2002 | CN1091509C Suction service valve |
| 09/25/2002 | CN1091492C 旋转压缩机 Rotary compressor |
| 09/24/2002 | US6454552 Fluid mover |
| 09/24/2002 | US6454551 Seal structure in a scroll type compressor |
| 09/24/2002 | US6454538 Motor protector in pocket on non-orbiting scroll and routing of wires thereto |
| 09/24/2002 | CA2275816C Bearing lubrication system for a scroll compressor |
| 09/23/2002 | CA2341322A1 Improved blower configuration for implementing the compression path control (cpc) process |
| 09/19/2002 | WO2002073038A1 Compressor-use helical blade and production method therefor, and compressor using this blade |
| 09/19/2002 | WO2002073037A1 Screw vacuum pump comprising additional flow bodies |
| 09/19/2002 | US20020131885 Screw rotor machine having means for axially biasing at least one of the rotors |
| 09/19/2002 | US20020131884 Dry vacuum pump |
| 09/19/2002 | US20020131883 Scroll compressor |
| 09/19/2002 | US20020131882 Scroll fluid machine having multistage compressing part |
| 09/19/2002 | US20020131880 Compressor with built-in motor, and mobile structure using the same |
| 09/19/2002 | US20020131879 Oil spout for scroll compressor |
| 09/19/2002 | US20020131870 System for pumping low thermal conductivity gases |
| 09/18/2002 | EP1241417A1 Digital controller for scroll compressor condensing unit |
| 09/18/2002 | EP1240433A1 Dry compressing vacuum pump having a gas ballast device |
| 09/18/2002 | EP1075601B1 Vacuum pump |
| 09/18/2002 | EP0857254B1 Transmission including a two-part clutch arrangement |
| 09/18/2002 | CN1369646A Air compressor |
| 09/18/2002 | CN1369644A Air compression system and casting gas/oil separating case used for such system |
| 09/18/2002 | CN1369643A 压缩系统 Compression System |
| 09/18/2002 | CN1369642A Vortex compressor |
| 09/18/2002 | CN1091224C Twin-cylinder impeller pump |
| 09/18/2002 | CN1091223C Slidable discharge valve in hermetic rotary compressor |
| 09/17/2002 | US6450791 Scroll compressor |
| 09/17/2002 | US6450790 Refrigerating cycle or compressor having foreign matter collector |
| 09/17/2002 | US6449972 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 09/12/2002 | WO2002070901A1 Water-injected screw-type compressor |