| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
|---|
| 08/24/1988 | EP0279646A2 Scroll compressor |
| 08/24/1988 | EP0279166A1 Rotary compressor |
| 08/17/1988 | CN87203294U Rotary=piston engine & pump thereof |
| 08/16/1988 | US4764098 Roots type pump with pin connection for plastic coated rotor |
| 08/16/1988 | US4764096 Scroll compressor with clearance between scroll wraps |
| 08/16/1988 | US4764095 Rotary slide compressor with thin-walled, deformable sleeve |
| 08/11/1988 | DE3801306A1 Vane-cell compressor |
| 08/10/1988 | CN87100486A Screw compressor rotor with through slot at the end surface of the air suction end |
| 08/09/1988 | US4762480 Rotary pump |
| 08/09/1988 | US4762478 Scroll compressor with balancer mounted in single frame |
| 08/09/1988 | US4762477 Scroll compressor with control of lubricant flow |
| 08/09/1988 | US4762469 Rotor anti-reverse rotation arrangement in a screw compressor |
| 08/03/1988 | EP0276252A1 Screw rotor compressor. |
| 08/03/1988 | CN87215988U Oilless concentric type vacuum pump ¯ |
| 08/02/1988 | US4761124 For the compression or expansion of an elastic fluid |
| 08/02/1988 | US4761123 Lubrication arrangement, in an air compressor |
| 08/02/1988 | CA1239911A1 Dual seal system for roots blower |
| 07/27/1988 | EP0275850A2 Rotary compressor |
| 07/27/1988 | EP0275415A1 Displacement machine for compressible media |
| 07/26/1988 | US4759697 Rotary piston machine having crown wheel coupled to the crank |
| 07/26/1988 | US4759696 Scroll compressor with biased-open exhaust valve |
| 07/20/1988 | EP0275046A2 Scroll type fluid displacement apparatus with improved fixed construction of fixed scroll |
| 07/19/1988 | US4758140 Rotary piston blower having offset shafts and a tapered housing to compensate for thermal deformation |
| 07/19/1988 | US4758138 Oil-free rotary gas compressor with injection of vaporizable liquid |
| 07/19/1988 | US4758136 Screw compressor lubrication channel for lubrication of a rotor bearing |
| 07/14/1988 | WO1988005118A1 Profiles of screw-type rotors for rotary machines conveying a gaseous fluid |
| 07/12/1988 | US4756675 Scroll type fluid transferring machine with separate motor driving each scroll |
| 07/07/1988 | DE3730583A1 Rotary-vane vacuum pump |
| 06/30/1988 | WO1988004732A1 Apparatus for supporting rotational sleeve of rotary compressor by fluid |
| 06/29/1988 | EP0272767A2 Multi-section roots vacuum pump of reverse flow cooling type with internal flow division arrangement |
| 06/29/1988 | CN86108250A Screw rotor compressor and refrigeration plant |
| 06/28/1988 | US4753583 Scroll type fluid compressor with high strength sealing element |
| 06/28/1988 | US4753582 Scroll compressor with control of distance between driving and driven scroll axes |
| 06/23/1988 | DE3738943A1 Fluegelzellenpumpe Fluegelzellenpumpe |
| 06/07/1988 | US4749344 Oil feeding device for scroll fluid apparatus |
| 06/07/1988 | US4748831 Refrigeration plant and rotary positive displacement machine |
| 06/07/1988 | CA1237703A1 Vane-type rotary compressor |
| 06/07/1988 | CA1237601A1 Lobe rotor pumps |
| 05/31/1988 | US4747762 Fluid machine |
| 05/31/1988 | US4747761 Silencer-carrying rotary vane pump |
| 05/31/1988 | US4747756 Scroll compressor with control device for variable displacement mechanism |
| 05/31/1988 | US4747755 Capacity control device for a screw compressor |
| 05/24/1988 | US4745777 Refrigerating cycle apparatus |
| 05/24/1988 | CA1237107A1 Rotary-sleeve bearing apparatus for a rotary compressor |
| 05/18/1988 | EP0267559A1 Rotary piston blower |
| 05/17/1988 | US4744737 Electrically driven compressor with a peripheral housing weld |
| 05/17/1988 | US4744733 Scroll type compressor with variable displacement mechanism |
| 05/17/1988 | US4744732 Variable capacity vane compressor |
| 05/17/1988 | US4744731 Variable capacity vane compressor |
| 05/11/1988 | EP0137853B1 Vane type rotary compressor |
| 05/10/1988 | US4743184 Rotary compressor with heating passage between discharge chamber and shaft seal |
| 05/10/1988 | US4743183 Rotary vane compressor with discharge fluid to front and rear shaft bearings and vane slats |
| 05/10/1988 | US4743182 Rotating piston compressor with thin-walled radially-resilient piston |
| 05/10/1988 | US4743181 For an air conditioning machine |
| 05/05/1988 | DE3735433A1 Displacement machine for compressible media |
| 05/04/1988 | EP0265774A2 Sliding-vane rotary compressor |
| 04/28/1988 | DE3636475A1 Compressor pump |
| 04/28/1988 | DE3636048A1 Device for controlling an internal combustion engine |
| 04/27/1988 | EP0264778A2 Vane pump |
| 04/27/1988 | EP0264749A2 Sliding vane vacuum pump |
| 04/27/1988 | EP0264490A1 Rotor and shaft equal rotation |
| 04/26/1988 | US4740144 Reversible radial vane air motor |
| 04/21/1988 | DE3634512C1 Controllable rotary screw compressor |
| 04/20/1988 | EP0264005A2 Sliding-vane rotary compressor |
| 04/20/1988 | CN87203870U Sliding blade type compressor with greaseless rolling path |
| 04/12/1988 | US4737090 Movable vane compressor |
| 04/12/1988 | US4737082 Lift valve for rotary screw compressors |
| 04/12/1988 | US4737081 Variable capacity vane compressor |
| 04/07/1988 | WO1988002438A1 Rotary machine |
| 04/06/1988 | EP0262721A1 A rotary engine of the type having a planetary rotor with rotor and shaft equal rotation |
| 04/06/1988 | CN87201604U Stator of liquified petroleum gas pump |
| 04/05/1988 | US4735559 Scroll-type vacuum pump with oil seal between suction and discharge chambers |
| 04/05/1988 | CA1234788A1 Rotary compressor |
| 03/31/1988 | DE3632318A1 Dry-running rotary vane vacuum pump |
| 03/30/1988 | EP0261507A1 Sliding-vane rotary compressor with displacement-adjusting mechanism, and controller for such variable displacement compressor |
| 03/29/1988 | US4734020 Scroll type compressor with spiral oil feeding grooves in thrust bearing |
| 03/23/1988 | CN87202429U Screw stem type refrigeration compresser with axial and radial gas intake at the same time |
| 03/22/1988 | US4732550 Scroll fluid machine with fine regulation elements in grooves having stepped portion |
| 03/22/1988 | CA1234376A1 Lubrication for rotary compressor vane |
| 03/16/1988 | EP0259333A1 Refrigeration plant and rotary positive displacement machine. |
| 03/15/1988 | US4731000 Spiral compressor with guides for fixing the spiral element against rotation |
| 03/15/1988 | US4730998 Scroll-type apparatus having a pivoting main journal bearing |
| 03/15/1988 | US4730997 Hermetic scroll compressor having concave spaces communicating with a delivery port |
| 03/15/1988 | US4730995 Screw compressor bearing arrangement with positive stop to accommodate thrust reversal |
| 03/15/1988 | US4730375 Method for the assembly of a scroll-type apparatus |
| 03/10/1988 | WO1988001696A1 Trochoidal gas processing devices |
| 03/10/1988 | WO1988001695A1 Rotor for a rotary screw machine |
| 03/09/1988 | EP0258255A1 Method of operating an oil-free rotary gas compressor. |
| 03/09/1988 | CN86103779A Wearless sealing type power machine with sliding blade |
| 03/09/1988 | CN85109446B Axial sealing mechanism for a scoll compressor |
| 03/08/1988 | CA1233801A1 Rotary compressor |
| 03/08/1988 | CA1233799A1 Integral slide valve-oil separator apparatus in a screw compressor |
| 03/03/1988 | DE3616091A1 Compressor pump |
| 03/02/1988 | EP0257043A1 A mechanism |
| 03/02/1988 | EP0257029A1 A screw-type rotary machine having at least one rotor made of a plastics material. |
| 03/01/1988 | US4728273 Rotary piston compressor |
| 03/01/1988 | US4727725 Gas injection system for screw compressor |
| 02/25/1988 | WO1988001351A1 Rotary screw compressor |
| 02/25/1988 | DE3727986A1 Compacting machine compressing fluid e.g. refrigeration compressor |
| 02/24/1988 | EP0256624A2 Variable capacity vane compressor |