| Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981) |
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| 03/15/2000 | CN1247278A Oldam's coupling of whirl compressor |
| 03/14/2000 | US6036450 Variable capacity vane compressor |
| 03/14/2000 | US6035661 Refrigerant compressor and cooling apparatus comprising the same |
| 03/14/2000 | CA2282127A1 Air conditioner |
| 03/09/2000 | WO2000012901A1 Fluid compressor aftercooler temperature control system and method |
| 03/09/2000 | WO2000012900A1 Dry compressing screw pump |
| 03/09/2000 | WO2000012899A1 Dry-compressing screw pump |
| 03/09/2000 | CA2327080A1 Dry-compressing screw pump |
| 03/08/2000 | CN1246604A Scroll compressor with unloading valve between energy-saving device and suction device |
| 03/08/2000 | CN1246583A Sealed compressor driven by motor |
| 03/07/2000 | USRE36604 Scroll type compressor having curved surface portions between the shaft and bearing means |
| 03/07/2000 | US6032472 Motor cooling in a refrigeration system |
| 03/07/2000 | CA2099989C Multi-stage gas compressor incorporating bypass valve device |
| 03/02/2000 | DE19839501A1 Trockenverdichtende Schraubenspindelpumpe Dry-compressing screw pump |
| 03/01/2000 | EP0982498A1 Capacity control scroll compressor |
| 02/29/2000 | US6030194 Gerotor motor and improved valve drive and brake assembly therefor |
| 02/29/2000 | US6030192 Scroll compressor having bearing structure in the orbiting scroll to eliminate tipping forces |
| 02/25/2000 | CA2280533A1 Two-stage rotary vane motor |
| 02/24/2000 | WO2000001461A8 Liquid separator for a liquid injected compressor |
| 02/23/2000 | EP0980978A1 Scroll compressor with liquid injection |
| 02/23/2000 | CN1245257A Unequal jet nozzle for scroll-type compressor |
| 02/22/2000 | US6027322 Method and apparatus for adjusting the rotors of a rotary screw compressor |
| 02/22/2000 | US6027321 Scroll-type compressor having an axially displaceable scroll plate |
| 02/22/2000 | US6027317 Scroll type machine |
| 02/22/2000 | US6026649 Compressor provided with refrigerant and lubricant in specified relationship |
| 02/17/2000 | WO2000008739A1 Device having a rotor and a stator |
| 02/17/2000 | DE19844904C1 Vacuum pump for brake amplifier |
| 02/16/2000 | CN2364250Y Inlet position structure of casing for multiblade impeller Roots pump |
| 02/16/2000 | CN2364249Y Centering drive device for displacement type vortex fluid compressing apparatus |
| 02/15/2000 | US6024548 Motor bearing lubrication in rotary compressors |
| 02/10/2000 | WO2000006955A2 Vapor-compression evaporative air conditioning system |
| 02/10/2000 | WO2000006902A1 Bearing for refrigerating machine compressor and compressor |
| 02/10/2000 | CA2340771A1 Vapor-compression evaporative air conditioning system |
| 02/09/2000 | EP0978932A1 Device having a rotor and a stator |
| 02/08/2000 | US6022203 Variable-displacement screw-type compressor |
| 02/08/2000 | US6022202 Spiral vacuum pump having a toothed circular translation movement limiter device |
| 02/08/2000 | US6022200 Vertical arrangement of a dual heat exchanger/fan assembly |
| 02/02/2000 | CN1243204A Resonator for rotary compressor |
| 02/02/2000 | CN1243202A Tube assembly of energy-saving device of compressor |
| 02/01/2000 | US6019585 Oil-sealed vane-type rotary vacuum pump with oil feed |
| 02/01/2000 | US6018957 Method and apparatus for controlling beats and minimizing pulsation effects in multiple compressor installations |
| 01/26/2000 | EP0974755A2 Compressor economizer tube assembly |
| 01/26/2000 | EP0974754A2 Screw compressor |
| 01/26/2000 | CN1242479A Scroll compressor with lubrication of seals in back pressure chamber |
| 01/26/2000 | CN1242478A Oil level sight glass for compressor |
| 01/26/2000 | CN1242477A Sealed-type compressor |
| 01/25/2000 | US6017205 Scroll compressor |
| 01/25/2000 | US6017203 Scroll compressor having separation plate between high and low pressures |
| 01/25/2000 | CA2156092C Scroll compressor |
| 01/19/2000 | EP0973233A1 Sealed-type compressor |
| 01/19/2000 | EP0973017A1 Oil level sight glass for a compressor |
| 01/19/2000 | EP0972943A2 Scroll compressor with lubrification of seals in back pressure chamber |
| 01/19/2000 | EP0972942A2 Scroll compressor with unloader valve between economizer and suction |
| 01/19/2000 | EP0851980B1 Rotary vane pump |
| 01/19/2000 | CN1241685A Hermetic compressor |
| 01/18/2000 | US6015260 Blow-off device of a compressor unit and moisture separator used thereby |
| 01/13/2000 | WO2000001461A1 Liquid separator for a liquid injected compressor |
| 01/13/2000 | DE19829618A1 Twin shaft rotary piston pump for simultaneously producing vacuum and excess pressure |
| 01/12/2000 | CN1241247A Fluid compressor |
| 01/11/2000 | US6012911 Scroll type compressor having an oil supply path for the eccentric bearing |
| 01/11/2000 | CA2055907C Rotary type multi-stage gas compressor |
| 01/06/2000 | WO2000000744A1 Two stage compressor and a method for cooling such a compressor |
| 01/05/2000 | EP0969210A1 Sealed compressor mounted between horizontal and vertical |
| 01/05/2000 | CN1048077C Method and apparatus for assembling electric motor with low dimensional accuracy |
| 01/04/2000 | US6010320 Compressor system having an oil separator |
| 12/30/1999 | DE19928808A1 Spiral compressor |
| 12/29/1999 | CN1239757A Rotary compressor having plurality of compression chambers for multistage compression |
| 12/28/1999 | US6006786 Valved discharge mechanism for fluid displacement apparatus |
| 12/28/1999 | US6006542 Refrigerant compressor and refrigerating apparatus |
| 12/23/1999 | DE19825650A1 Schmierölversorgungseinrichtung für ein Gerät mit rotierender Gerätewelle Lubricating oil supply means for a device with rotating equipment shaft |
| 12/22/1999 | EP0965760A1 Hermetic compressor lubrication system |
| 12/22/1999 | EP0965758A2 Vacuum pump |
| 12/22/1999 | EP0965757A2 Vacuum pumps |
| 12/22/1999 | EP0965756A2 Screw pump |
| 12/22/1999 | CN1239190A Rotary compressor |
| 12/21/1999 | US6004112 Belt driven fluid compressor with self-adjusting belt tensioning device |
| 12/16/1999 | WO1999064745A1 Lubricating oil supplying arrangement for an apparatus having a rotating apparatus shaft |
| 12/16/1999 | WO1999064744A1 Multi-stage capacity control scroll compressor |
| 12/14/1999 | US6000917 Control of suction gas and lubricant flow in a scroll compressor |
| 12/09/1999 | DE19923229A1 Method for collecting lubricating oil separated from the working fluid in a motor driven compressor |
| 12/08/1999 | EP0962657A2 Scroll compressor having suction control valve |
| 12/08/1999 | EP0834018B1 Multistage, screw-spindle compressor |
| 12/08/1999 | CN2352730Y Vacuum pumping machine set for smelting with additional oil filter |
| 12/08/1999 | CN1237681A Volute disk for vortex fluid pump |
| 12/07/1999 | US5996731 Compressor muffler |
| 12/07/1999 | US5996364 Scroll compressor with unloader valve between economizer and suction |
| 12/02/1999 | DE19823996A1 Compressor arrangement with cooling device |
| 12/01/1999 | EP0819220B1 Gas flow and lubrication of a scroll compressor |
| 12/01/1999 | CN1046990C Rotative fluid equipment |
| 11/24/1999 | EP0959252A1 Scroll compressor with abrasion-resistant means between crank pin and movable scroll |
| 11/24/1999 | EP0959250A2 Screw compressor with balanced thrust |
| 11/24/1999 | CN1236064A Screw compressor with balanced thrust |
| 11/24/1999 | CN1046791C Oscillating type rotary compressor |
| 11/24/1999 | CN1046790C Positive displacement type vortex fluid compression device with sliding plane trust bearing |
| 11/23/1999 | US5988223 Sealing plug device for a refrigerant compressor |
| 11/23/1999 | US5987894 Temperature lowering apparatus using cryogenic expansion with the aid of spirals |
| 11/19/1999 | CA2272177A1 Scroll type compressor having an abrasion-resistant means between a crank pin and a movable scroll in an axial direction |
| 11/18/1999 | DE19919104A1 Compressor with variable output for cooling or coolant cycle for motor vehicle improves the fuel efficiency of the vehicle engine and can be produced at relatively low cost |
| 11/17/1999 | EP0957266A1 Scroll-type compressor |
| 11/17/1999 | EP0956452A1 Impeller for a liquid ring machine |