| 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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| 06/16/1987 | CA1222985A1 Scroll-type fluid displacement apparatus |
| 06/16/1987 | CA1222982A1 Scroll-type fluid compressor |
| 06/10/1987 | EP0225126A1 Variable capacity vane compressor |
| 06/10/1987 | EP0225070A1 Port arrangement for rotary positive displacement blower |
| 06/10/1987 | EP0224740A1 Lubricant slinger disc |
| 06/09/1987 | US4671748 Compressor unit for the production of compressed air |
| 06/09/1987 | CA1222734A1 Scroll machine using discharge pressure for axial sealing |
| 06/09/1987 | CA1222733A1 Scroll machine with discharge passage through orbiting scroll plate and associated lubrication system |
| 06/04/1987 | DE3542420A1 Connection device for the compressor capsule of a refrigerating machine |
| 06/04/1987 | DE3541838A1 Compressor system |
| 06/02/1987 | US4669962 Scroll compressor with pressure differential maintained for supplying oil |
| 05/27/1987 | EP0223251A2 Use of perfluoropolyethers in mechanical pumps |
| 05/27/1987 | EP0222989A1 Screw charger with internal cooling |
| 05/26/1987 | US4668172 Compressor having discharge valve means adapted to enhance the coefficient of performance of the compressor |
| 05/20/1987 | EP0222082A1 Exhaust-driven screw charger |
| 05/19/1987 | US4666381 Lubricant distribution system for scroll machine |
| 05/12/1987 | US4664608 Rotary compressor with reduced friction between vane and vane slot |
| 05/12/1987 | CA1221669A1 Oil purge system for cold weather shutdown of oil flooded screw compressor |
| 05/05/1987 | US4662826 Vacuum pump system including serially connected rotary and reciprocating vacuum pumps |
| 05/05/1987 | US4662190 Integral slide valve-oil separator apparatus in a screw compressor |
| 04/29/1987 | CN86105344A Compressor with an exposed outboard thrust plate |
| 04/29/1987 | CN86104225A Rotary compressor with vane slot pressure groove |
| 04/28/1987 | CA1221070A1 Horizontal shaft oil pump |
| 04/14/1987 | US4657495 Rotor-shaft bearing apparatus for rotary compressors |
| 04/14/1987 | US4657487 Vacuum generating apparatus including liquid ring pump, pre-separator, two heat exchangers and fine separator |
| 04/08/1987 | EP0217349A2 Scroll compressor |
| 04/08/1987 | EP0217344A2 Oil-air separating device |
| 04/08/1987 | EP0217128A1 Motor pump unit with vanes without external oil leakage |
| 04/07/1987 | US4655698 Compressor-scavenging eductor system |
| 03/24/1987 | US4652223 Roots compressor for compressing of gaseous media |
| 03/17/1987 | US4649611 Method of and apparatus for positioning compressor scroll member |
| 03/11/1987 | EP0213216A1 Rotary piston blower |
| 03/10/1987 | US4648815 Rotary air compressor with thermally responsive oil injection |
| 03/10/1987 | US4648814 Scroll fluid machine with oil injection part and oil relieving passage |
| 03/04/1987 | EP0212570A2 Rolling piston compressor |
| 03/03/1987 | CA1218636A1 Compressor |
| 02/26/1987 | DE3530432A1 Rotating piston compressor |
| 02/25/1987 | CN86103317A Eddy fluid machinery |
| 02/24/1987 | US4645429 Rotary compressor |
| 02/17/1987 | US4643655 Backflow passage for rotary positive displacement blower |
| 02/10/1987 | US4642034 Scroll type compressor with displacement adjusting mechanism |
| 02/10/1987 | US4642033 Positive displacement air compressors |
| 02/04/1987 | EP0210349A2 Encapsulated rolling-piston compressor |
| 02/03/1987 | US4640669 Rotary compressor lubrication arrangement |
| 01/29/1987 | DE3623330A1 Centrifugal compressor |
| 01/28/1987 | EP0210145A2 Intermittently working pneumatic vane pump |
| 01/27/1987 | US4639198 Suction tube seal for a rotary compressor |
| 01/27/1987 | US4639196 Fluid control valve |
| 01/27/1987 | US4638570 Supercharger assembly and rotor phasing fixture and method of partially assembling |
| 01/13/1987 | US4636154 Horizontal type rotary compressor |
| 01/13/1987 | US4636152 Rotary compressor |
| 01/07/1987 | EP0207679A2 Refrigerator compressor system and motor protector unit therefor |
| 01/07/1987 | EP0105315B1 Compressor of hermetical type |
| 01/06/1987 | US4634348 Liquid ring compressor having a passageway in discharge port for introducing air |
| 01/02/1987 | DE3619167A1 Vane vacuum pump |
| 12/30/1986 | US4632650 Vacuum pump having an evacuated gear chamber |
| 12/30/1986 | EP0206154A2 Spring leaf valve for a pump outlet |
| 12/24/1986 | CN85105091A 旋转式压缩机 Rotary compressor |
| 12/18/1986 | WO1986007416A1 Device in an oil-free rotary gas compressor |
| 12/16/1986 | US4629403 Rotary compressor with vane slot pressure groove |
| 12/16/1986 | US4628963 Refrigerant compressor discharge valve |
| 12/10/1986 | EP0199984A2 Rotary vane vacuum pump |
| 12/09/1986 | US4627802 Rotary vane compressor with inlet and outlet valves in the rotor |
| 12/03/1986 | EP0203477A1 Refrigerant gas injection system for refrigeration cycle having a screw compressor |
| 12/02/1986 | US4626180 Rotary compressor with spiral oil grooves for crankshaft |
| 12/02/1986 | CA1214759A1 Clearance-controlling means and methods |
| 11/25/1986 | US4624630 Differential pressure lubrication system for rolling piston compressor |
| 11/20/1986 | WO1986006798A1 Refrigeration plant and rotary positive displacement machine |
| 11/20/1986 | EP0201672A2 Compact screw-type compressor |
| 11/18/1986 | US4623306 Scroll compressor with bearing lubrication means |
| 11/18/1986 | US4622828 Air-conditioning and refrigerating system |
| 11/11/1986 | US4621993 Scroll-type positive fluid displacement apparatus with oil compartment plate |
| 10/29/1986 | EP0199110A2 Vane pump |
| 10/29/1986 | CN85107168A Suction tube seal for a rotary compressor |
| 10/28/1986 | US4619595 Capacity control device for compressor |
| 10/21/1986 | US4618317 Vane of soft nitrided hardened steel mated with cast iron roll; wear resistance |
| 10/15/1986 | CN85103435A Differential pressure lubrication system for rotary piston compressor |
| 10/15/1986 | CN85103401A Improved lubrication for rotary compressor vane |
| 09/25/1986 | WO1986005576A1 Method for refrigeration systems |
| 09/25/1986 | WO1986005556A1 Screw compressor means for lubrication of a rotor bearing |
| 09/24/1986 | EP0195560A2 Rotary compressor |
| 09/16/1986 | US4611473 Refrigeration system with integral check valve |
| 09/12/1986 | WO1986005242A1 High output rotary compressor |
| 09/09/1986 | US4610602 Rotary gas compressor |
| 09/02/1986 | US4608829 Waste heat recovering device |
| 09/02/1986 | CA1210742A1 Self-cleaning single loop mist type lubrication system for screw compressors |
| 09/02/1986 | CA1210616A1 Compressor drive arrangement and a method of adjusting driving characteristics of such an arrangement |
| 08/27/1986 | EP0192351A1 Scroll type fluid compressor |
| 08/27/1986 | CN85108179A Rotary piston machine and crown wheel coupled to crank |
| 08/27/1986 | CN85108114A Rotary compressor for refrigerant |
| 08/26/1986 | US4608002 Rotary vane compressor with hook-like suction passage |
| 08/06/1986 | CN86100881A Drive system for the orbiting scroll of a scroll type fluid compressor |
| 08/05/1986 | US4604039 Scroll type fluid compressor with axial clearance adjusting construction |
| 07/31/1986 | WO1986004393A1 Vane cell pump |
| 07/30/1986 | EP0188713A2 Oil feeding device for vacuum pumps |
| 07/30/1986 | EP0188704A2 Fiber reinforced metal composite material |
| 07/29/1986 | CA1208612A1 Rotary compressor |
| 07/23/1986 | CN85106952A Rotary compressor lubrication arrangement |
| 07/22/1986 | US4601644 Main bearing for a rotary compressor |
| 07/09/1986 | EP0186776A1 Apparatus for the production of a vacuum |