| 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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| 01/02/1997 | EP0533957B1 Rotary compressor |
| 01/02/1997 | DE19523212A1 Screw compressor for gaseous delivery media |
| 01/02/1997 | DE19522559A1 Axial delivery compressor, especially screw compressor |
| 01/02/1997 | DE19522558A1 Displacement pump for gases |
| 01/02/1997 | DE19522555A1 Dual-rotor type rotary piston compressor e.g. for vacuum pump |
| 01/02/1997 | DE19522554A1 Compressor operative chamber surface cleaning method |
| 01/02/1997 | DE19522551A1 Dual-shaft displacement machine e.g. Roots (RTM) pump or helical spindle compressor |
| 01/02/1997 | DE19522515A1 Compressible material displacement machine esp. dual-rotor type dry-running evacuation pump stopping method |
| 12/31/1996 | US5588821 Vacuum pump with planetary gear accelerator |
| 12/31/1996 | US5588819 Compliant drive for scroll machine |
| 12/25/1996 | CN1138770A Fuzzy logic control of liquid injection for motor cooling |
| 12/25/1996 | CN1138680A Heat pump air conditioner for use in cold districts |
| 12/25/1996 | CN1138669A Eddy compressor |
| 12/24/1996 | US5586876 Rotary compressor having oil pumped through a vertical drive shaft |
| 12/24/1996 | CA2064961C Scroll type compressor with injection mechanism |
| 12/18/1996 | EP0748420A1 Rotary screw compressor with thrust balancing means utilizing different pressure levels and a method for operating such a compressor |
| 12/18/1996 | CN1138365A Rotary compressor and refrigerating apparatus |
| 12/17/1996 | US5584677 Scroll compressor having a bevelled facing section |
| 12/17/1996 | US5584673 Device for reducing the pressure of a compressor in the idling and shutdown mode |
| 12/11/1996 | EP0747596A2 High displacement rate, scrolltype, fluid handling apparatus |
| 12/11/1996 | EP0746732A1 Refrigeration compressor |
| 12/11/1996 | EP0746670A1 Meshing type rotors |
| 12/10/1996 | US5583325 Muffler with integral check valve |
| 12/10/1996 | US5582513 Scroll type fluid machine having a biased drive bush |
| 12/10/1996 | US5582511 Scroll machine having discharge port inserts |
| 12/05/1996 | WO1996038670A1 Variable-displacement screw-type compressor |
| 12/05/1996 | DE19519262A1 Schraubenverdichter mit einstellbarem Fördervolumen Screw compressor with adjustable delivery |
| 12/04/1996 | EP0745525A1 Vacuumpump |
| 12/04/1996 | EP0745190A1 Oil separation and bearing lubrication in a high side co-rotating scroll compressor |
| 12/04/1996 | CN1137100A Eddy air compressor |
| 12/03/1996 | US5580233 For compressing a fluid |
| 12/03/1996 | US5580232 Rotor assembly having a slip joint in the shaft assembly |
| 12/03/1996 | US5580231 Swing type rotary compressor having an oil groove on the roller |
| 12/03/1996 | US5580230 Scroll machine having an axially compliant mounting for a scroll member |
| 12/03/1996 | US5579653 Closed-type compressor, and refrigerating unit, refrigerator and air conditioner each utilizing the compressor |
| 12/03/1996 | US5579651 Closed-type compressor, and refrigerating unit, refrigerator and air conditioner each utilizing the compressor |
| 11/28/1996 | WO1996037706A1 Worm-drive compressor |
| 11/28/1996 | DE19519247A1 Schraubenverdichter Screw compressor |
| 11/27/1996 | EP0744550A2 Oil recycling in screw compressor arrangements |
| 11/26/1996 | US5577903 Rotary compressor |
| 11/20/1996 | EP0743456A2 Muffler with integral check valve |
| 11/20/1996 | CN1136140A 涡旋压缩机 Scroll Compressor |
| 11/19/1996 | US5575635 Scroll compressor having eccentric shaft lubrication |
| 11/14/1996 | DE19620312A1 Lubricant system for intermittently working coolant compression pump |
| 11/14/1996 | DE19516814A1 The process is for low-loss operation of fluid ring vacuum pumps or compressors |
| 11/13/1996 | EP0742371A2 Liquid ring machine |
| 11/13/1996 | EP0741851A1 Refrigeration system and a method for regulating the refrigeration capacity of such a system |
| 11/13/1996 | CN1135594A Refrigerating apparatus and lubricating oil composition |
| 11/13/1996 | CN1135580A Vane side surface refrigerant gas discharging apparatus for rotary type compressor |
| 11/13/1996 | CN1135579A Liquid-ring type machine |
| 11/13/1996 | CN1033291C Sealed electric compressor with two cylinders and process for assembly thereof and clamping device for assembling thereof |
| 11/12/1996 | US5573389 Scroll compressor having means for biasing an eccentric bearing towards a crank shaft |
| 11/12/1996 | US5573387 Vacuum pumps |
| 11/12/1996 | US5573371 Paint sprayer with venting silencer |
| 11/06/1996 | CN1033244C Horizontal hermetic compressor |
| 11/06/1996 | CN1033222C Verticle milling cutter for making vortex guide blade |
| 11/05/1996 | CA2080878C Integral oil separator and muffler |
| 10/31/1996 | WO1996034204A1 Screw-type compressor with water hammer protection |
| 10/31/1996 | DE19614329A1 Hydraulic machine with rotary slide valve |
| 10/30/1996 | CN1134740A Scroll apparatus with enhanced lubrication |
| 10/30/1996 | CN1134518A Compressor set |
| 10/30/1996 | CN1134517A Vortex compressor |
| 10/29/1996 | US5569028 Scroll compressor having a compressor housing made up of a cup-like front casing and a cap-like rear casing |
| 10/24/1996 | WO1996033338A1 Steam-driven screw machine and a method of converting thermal energy to mechanical energy |
| 10/22/1996 | US5567137 Scroll compressor with shaft seal lubrication |
| 10/17/1996 | DE19516994C1 Fluid ring machine |
| 10/16/1996 | EP0737812A1 Gear pump |
| 10/16/1996 | CN1133400A Rotary compressor |
| 10/15/1996 | US5564917 Rotary compressor with oil injection |
| 10/15/1996 | US5564907 Evacuating apparatus |
| 10/15/1996 | US5564186 Method of making a scroll compressor having a centering recess for assembly |
| 10/10/1996 | WO1996031702A1 Gas flow and lubrication of a scroll compressor |
| 10/09/1996 | EP0736692A1 Sealing, bearing support and driving of the rotors of a dry running screw compressor |
| 10/09/1996 | EP0736667A2 Screw rotor and method of generating tooth profile therefor |
| 10/09/1996 | EP0736233A1 Electric motor for a drive, especially for a pump |
| 10/09/1996 | CN1132826A Vortex-type compressor |
| 10/08/1996 | US5562436 Scroll compressor having improved orbital drive mechanism |
| 10/08/1996 | CA2090381C Horizontal rotary compressor |
| 10/03/1996 | CA2216649A1 Quick connector having ring for confirming proper connection |
| 10/02/1996 | EP0734609A1 Electric motor, pump and an electric motor/pump unit |
| 10/02/1996 | CN2236561Y Self cooling underwater pump |
| 10/01/1996 | US5560741 Non-contact vane-type fluid displacement machine with rotor and vane positioning |
| 09/26/1996 | DE19611445A1 Electrostatic drive device e.g. for gas compressor |
| 09/25/1996 | EP0733804A2 Vacuum pump |
| 09/25/1996 | CN1131732A Eddy compression engine |
| 09/24/1996 | US5558492 Paint sprayer with inlet silencer |
| 09/24/1996 | US5557845 Method for installing a stationary scroll |
| 09/18/1996 | EP0732511A1 Blower muffling apparatus |
| 09/18/1996 | EP0732503A1 Scroll type compressor |
| 09/18/1996 | EP0732502A1 Scroll type fluid machine |
| 09/18/1996 | EP0672222B1 Process and device for reducing the gap between a static part and a movable part |
| 09/18/1996 | EP0516816B1 Oil recovery system for low capacity operation of refrigeration systems |
| 09/18/1996 | CN2235516Y Automatic compensating gap type ladder like vortex disc |
| 09/17/1996 | US5556269 Scroll-type compressor and method of assembling the same |
| 09/11/1996 | EP0731277A1 Apparatus with reverse rotation protection |
| 09/11/1996 | CN1130724A Scroll compressors with reverse rotation protector |
| 09/11/1996 | CN1130723A Scroll compressor with driver |
| 09/04/1996 | EP0730128A1 Fuzzy logic control of liquid injection for motor cooling |
| 09/04/1996 | CN1130240A Volume pump or compressor sliding-vane |
| 09/03/1996 | US5551852 Scroll type compressor having a seal bearing unit |