Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 18 - Rotary-piston pumps specially adapted for elastic fluids
Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
12/1986
12/30/1986US4632650 Vacuum pump having an evacuated gear chamber
12/30/1986EP0206759A1 Scroll type compressor
12/30/1986EP0206154A2 Spring leaf valve for a pump outlet
12/30/1986EP0206153A1 Compact air compression installation, especially with a screw compressor
12/30/1986EP0205796A2 Screw-type compressor aggregate arranged in a compact housing
12/30/1986CA1215956A1 Helical screw rotor profiles
12/24/1986CN85105091A 旋转式压缩机 Rotary compressor
12/18/1986WO1986007416A1 Device in an oil-free rotary gas compressor
12/17/1986EP0205036A2 Rotary vane pump
12/17/1986CN85205724U Fully tangential, sealed air-blower
12/16/1986US4629403 Rotary compressor with vane slot pressure groove
12/10/1986CN85205705U Low noise volumetric blower
12/10/1986CN85104253A Horizontal rotating compression engine
12/10/1986CN85103211A Rotating piston machinery meshed with one side
12/09/1986US4627802 Rotary vane compressor with inlet and outlet valves in the rotor
12/09/1986US4627800 Scroll type fluid displacement compressor with spiral wrap elements of varying thickness
12/03/1986EP0203477A1 Refrigerant gas injection system for refrigeration cycle having a screw compressor
12/02/1986US4626180 Rotary compressor with spiral oil grooves for crankshaft
12/02/1986US4626179 Axial thrust load mechanism for a scroll type fluid displacement apparatus
12/02/1986CA1214759A1 Clearance-controlling means and methods
11/1986
11/20/1986WO1986006798A1 Refrigeration plant and rotary positive displacement machine
11/20/1986EP0201774A1 Rotary piston positive-displacement machine
11/18/1986US4623306 Scroll compressor with bearing lubrication means
11/11/1986US4621994 Lobe rotor pumps
11/04/1986US4620837 Vane-type rotary compressor having a sleeve for rotation with vanes
10/1986
10/29/1986EP0199110A2 Vane pump
10/29/1986EP0198936A1 Multistage vacuum pump
10/28/1986US4619596 Screw type compressor
10/28/1986US4619595 Capacity control device for compressor
10/22/1986CN85103145A Roots compressor for compressing of gaseous media
10/21/1986US4618319 Vane-type compressor having resilient slot seals
10/21/1986US4618317 Vane of soft nitrided hardened steel mated with cast iron roll; wear resistance
10/21/1986US4618272 Device for fixing a thrust bearing
10/15/1986CN85103435A Differential pressure lubrication system for rotary piston compressor
10/15/1986CN85103401A Improved lubrication for rotary compressor vane
10/14/1986US4616985 Vane type compressor having an improved rotatable sleeve
10/14/1986US4616984 Sliding-vane rotary compressor with specific cylinder bore profile
10/08/1986CN85102521A Rotary piston device
10/07/1986US4615663 Compressor with vanes made of composite material including carbon, aluminum, and aluminum carbide
10/07/1986US4615091 Method of and apparatus for processing a scroll member for a scroll type compressor
10/01/1986CN85101275A Strainer device for rotary compressor
09/1986
09/30/1986US4614484 Rotary screw compressor with specific tooth profile
09/25/1986WO1986005556A1 Screw compressor means for lubrication of a rotor bearing
09/25/1986WO1986005555A1 A screw-type rotary machine having at least one rotor made of a plastics material
09/24/1986EP0195560A2 Rotary compressor
09/24/1986CN85100200A Globular rotary compressor
09/23/1986US4613291 Inlet construction for a scroll compressor
09/17/1986EP0194444A2 Screw rotor tooth profile
09/16/1986US4611977 Vane compressor with vane back pressure adjustment
09/16/1986US4611976 Capacity and internal compression control device in a screw compressor
09/16/1986US4611975 Scroll type compressor or pump with axial pressure balancing
09/12/1986WO1986005242A1 High output rotary compressor
09/12/1986WO1986005241A1 Positive displacement machine, particularly pump, and method for fabricating such pump
09/10/1986EP0193530A1 Rotary piston machine
09/09/1986US4610613 Control means for gas compressor having dual slide valves
09/09/1986US4610612 Rotary screw gas compressor having dual slide valves
09/09/1986US4610611 Scroll type positive displacement apparatus with tension rods secured between scrolls
09/09/1986US4610610 Unloading of scroll compressors
09/03/1986CN85109065A Single threaded bolt compression (or expansion) machine using joggle-joint-set
09/02/1986US4609335 Supercharger with reduced noise and improved efficiency
09/02/1986US4609329 Micro-processor control of a movable slide stop and a movable slide valve in a helical screw rotary compressor with an enconomizer inlet port
09/02/1986CA1210742A1 Self-cleaning single loop mist type lubrication system for screw compressors
08/1986
08/27/1986CN85108179A Rotary piston machine and crown wheel coupled to crank
08/26/1986US4608003 Seal arrangement for vane type air pumps
08/26/1986US4608002 Rotary vane compressor with hook-like suction passage
08/13/1986EP0190135A1 Rotary apparatus
08/06/1986EP0189650A2 Axial sealing mechanism for a scroll compressor
08/05/1986US4604041 Rotary vane pump
08/05/1986US4604039 Scroll type fluid compressor with axial clearance adjusting construction
07/1986
07/30/1986EP0188704A2 Fiber reinforced metal composite material
07/29/1986CA1208612A1 Rotary compressor
07/23/1986CN85109446A Axial sealing mechanism for a scoll compressor
07/23/1986CN85106952A Rotary compressor lubrication arrangement
07/23/1986CN85101185A 螺旋型真空泵 Spiral vacuum pump
07/15/1986US4600369 Positive displacement scroll type apparatus with fluid pressure biasing the scroll
07/08/1986US4599059 Rotary compressor with non-pressure angle
07/08/1986US4598559 Reversible fixed vane rotary compressor having a reversing disk which carries the suction port
07/02/1986CN85106984A Rotary air compressor with direct current source
07/01/1986US4597726 Screw compressor having two individually displaceable regulating slides
06/1986
06/17/1986US4595349 In a rotary blower
06/17/1986US4595348 Apparatus for supporting rotary sleeve of rotary compressor by fluid
06/17/1986US4595347 Rotary compressor
06/11/1986EP0184484A1 Rotary piston machine with a ring coupled to a crank
06/10/1986US4594062 Vane type rotary compressor with rotary sleeve
06/10/1986US4594061 Scroll type compressor having reinforced spiral elements
06/10/1986CN85109191A Method of manufacturing rotor
06/04/1986EP0182993A1 Rotary compressor lubrication arrangement
06/03/1986US4592705 Lubrication for rotary compressor vane
06/03/1986CA1205438A1 Oil-free rotary displacement compressor
05/1986
05/20/1986US4589828 Rotation preventing device for an orbiting member of a fluid displacement apparatus
05/13/1986US4588363 Volumetric screw compressor
05/13/1986CA1204290A1 Adiabatic positive displacement machinery
05/10/1986CN85104676A Scroll-type fluid pressure booster and process for manufacturing scroll used therein
05/06/1986US4586468 Tandem pump assembly
04/1986
04/29/1986US4585404 Double-eccentric rotary apparatus with minimal chamber volume
04/29/1986US4585402 Scroll-type fluid machine with eccentric ring drive mechanism
04/29/1986CA1203786A1 Rolling thrust bearing for use in a scroll machine
04/23/1986EP0178782A1 Tandem pump assembly
04/22/1986US4583927 Screw rotor mechanism
04/22/1986US4583926 Vane structure for vane type air pumps
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