| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
|---|
| 02/04/1997 | US5599176 Threaded-rotor compressor |
| 02/04/1997 | US5598618 Mainrotor machining process and apparatus |
| 01/30/1997 | WO1997003327A1 Refrigerator or heat pump with a pulse tube operated by a pressure generator |
| 01/29/1997 | EP0756087A1 Scroll type compressor |
| 01/29/1997 | EP0756086A1 Scroll type compressor |
| 01/29/1997 | CN2246201Y L.G pump |
| 01/28/1997 | US5597297 Scroll type compressor |
| 01/28/1997 | US5597296 Scroll compressor having a check valve received in a stationary scroll member recess |
| 01/28/1997 | US5597293 Counterweight drag eliminator |
| 01/23/1997 | DE19526303A1 Ölgedichtete Drehschiebervakuumpumpe mit einer Ölversorgung Oil sealed rotary vane vacuum pump with an oil supply |
| 01/22/1997 | EP0754862A1 A fluid displacement apparatus with variable displacement mechanism |
| 01/22/1997 | EP0754861A2 Scroll compressor with liquid injection |
| 01/22/1997 | EP0754860A2 Oil-free scroll vacuum pump |
| 01/22/1997 | CN1140806A Twin cylinder rotary compressor |
| 01/22/1997 | CN1140805A Rotary vane type hydraulic machines |
| 01/22/1997 | CN1140804A 涡旋压缩机 Scroll Compressor |
| 01/22/1997 | CN1140803A Scroll compressor having suction check valve |
| 01/22/1997 | CN1140802A 涡旋式压缩机 Scroll compressor |
| 01/22/1997 | CN1033873C An oil pump for a closed type compressor |
| 01/21/1997 | US5595067 Energy pump |
| 01/15/1997 | EP0753667A2 Method of manufacturing a movable scroll element and a scroll element produced by the same method |
| 01/15/1997 | EP0753649A1 Scroll type fluid machine |
| 01/15/1997 | CN1140238A Scroll fluid machine and compressed gas-producing apparatus comprising the same |
| 01/14/1997 | US5593297 Scroll type compressor |
| 01/14/1997 | US5593294 Powered work producing apparatus |
| 01/09/1997 | WO1997001039A1 Two-rotor sliding vane compressor |
| 01/09/1997 | WO1997001038A1 Multistage, screw-spindle compressor |
| 01/09/1997 | WO1997001037A1 Vacuum pump |
| 01/08/1997 | EP0752533A1 Spiral compressor |
| 01/08/1997 | EP0752532A1 Rotary compressor and refrigerating apparatus |
| 01/08/1997 | CN2244631Y Hand oil pump |
| 01/08/1997 | CN1139974A Positive displacement pump apparatus |
| 01/07/1997 | US5591022 Scroll compressor with integral anti rotation means |
| 01/07/1997 | US5591014 Scroll machine with reverse rotation protection |
| 01/07/1997 | CA2099150C Scroll compressor lubrication control |
| 01/02/1997 | EP0533957B1 Rotary compressor |
| 01/02/1997 | EP0530222B1 Rotor for a rotary screw machine, a rotary screw machine and a process for manufacturing a rotor |
| 01/02/1997 | DE19522560A1 Vacuum pump with pair of helical inter-meshing displacement rotors |
| 01/02/1997 | DE19522557A1 Rotary piston compressor, particularly screw spindle vacuum pump |
| 01/02/1997 | DE19522555A1 Dual-rotor type rotary piston compressor e.g. for vacuum pump |
| 01/01/1997 | CN2244108Y Double vortex hydraulic pump |
| 01/01/1997 | CN1033714C Improved vortex volume-type fluid displacement device |
| 01/01/1997 | CN1033713C Vortex volume-type fluid displacement device |
| 12/31/1996 | US5588821 Vacuum pump with planetary gear accelerator |
| 12/25/1996 | CN1138680A Heat pump air conditioner for use in cold districts |
| 12/25/1996 | CN1138669A Eddy compressor |
| 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 | US5584678 Scroll type fluid machine having tip seals of different carbon fiber composition rates |
| 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 | EP0747598A2 Capacity modulated scroll machine |
| 12/11/1996 | EP0747597A2 Capacity modulated scroll machine |
| 12/11/1996 | EP0747596A2 High displacement rate, scrolltype, fluid handling apparatus |
| 12/11/1996 | EP0746685A1 Scroll compressor drive having a brake |
| 12/11/1996 | EP0746672A1 Positive displacement pump apparatus |
| 12/11/1996 | EP0746670A1 Meshing type rotors |
| 12/11/1996 | CN1137615A Volute fluid machinery |
| 12/11/1996 | CN1137614A Capacity modulated scroll machine |
| 12/10/1996 | US5582513 Scroll type fluid machine having a biased drive bush |
| 12/10/1996 | US5582511 Scroll machine having discharge port inserts |
| 12/10/1996 | US5581880 Method for machining scroll member |
| 12/05/1996 | WO1996038670A1 Variable-displacement screw-type compressor |
| 12/05/1996 | DE19620482A1 Spiral compressor |
| 12/05/1996 | DE19519262A1 Schraubenverdichter mit einstellbarem Fördervolumen Screw compressor with adjustable delivery |
| 12/04/1996 | CN1137100A Eddy air compressor |
| 12/03/1996 | US5580401 Gray cast iron system for scroll machines |
| 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 | US5580229 Scroll compressor drive having a brake |
| 12/03/1996 | US5580228 Scroll compressor having grooves for seal members |
| 12/03/1996 | US5580198 Method and apparatus for manufacturing an article in the form of a scroll |
| 12/03/1996 | CA1338762C Scroll-type fluid apparatus for variable speed operation |
| 11/28/1996 | WO1996037706A1 Worm-drive compressor |
| 11/28/1996 | DE19519247A1 Schraubenverdichter Screw compressor |
| 11/27/1996 | EP0744549A1 Scroll type fluid displacement apparatus |
| 11/27/1996 | CN2241240Y Rotary vane type compressor |
| 11/26/1996 | US5577903 Rotary compressor |
| 11/20/1996 | EP0743455A2 Scroll type fluid machine |
| 11/20/1996 | EP0743454A2 Scroll type fluid displacement apparatus |
| 11/20/1996 | EP0742869A1 Scroll-type fluid displacement device having high built-in volume ratio and semi-compliant biasing mechanism |
| 11/20/1996 | CN1136140A 涡旋压缩机 Scroll Compressor |
| 11/19/1996 | US5575635 Scroll compressor having eccentric shaft lubrication |
| 11/19/1996 | US5575634 Carbon fiber, polytetrafluoroethylene, polyphenylene sulfide |
| 11/19/1996 | US5575629 Vapor control system |
| 11/13/1996 | EP0741851A1 Refrigeration system and a method for regulating the refrigeration capacity of such a system |
| 11/13/1996 | CN2240061Y Double-roll intermeshing pump |
| 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 |
| 11/12/1996 | US5573390 Coated sliding material |
| 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 |
| 11/07/1996 | WO1996035056A1 Axial sealing apparatus for scroll type compressor |
| 11/06/1996 | EP0741245A2 Twin cylinder rotary compressor |
| 11/06/1996 | CN1033244C Horizontal hermetic compressor |
| 11/06/1996 | CN1033243C Fluid compressor |