Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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07/07/1987 | US4677949 Scroll type fluid displacement apparatus |
07/01/1987 | EP0227249A1 Axial sealing mechanism for scroll type fluid displacement apparatus |
06/30/1987 | US4676726 Rotary compressor |
06/30/1987 | US4676075 Scroll-type compressor for helium gas |
06/30/1987 | CA1223479A1 Axial clearance adjustment mechanism for scroll type fluid displacement apparatus |
06/25/1987 | DE3639944A1 Standardised unit |
06/25/1987 | DE3639943A1 Vane pump |
06/23/1987 | US4674963 Scroll type machine with tilting thrust bearing |
06/18/1987 | WO1987003651A1 Intermittent service screw compressor |
06/16/1987 | US4673340 Variable capacity scroll type fluid compressor |
06/16/1987 | US4673339 Scroll compressor with suction port in stationary end plate |
06/16/1987 | CA1222989A1 Scroll type fluid displacement apparatus with oil separating mechanism |
06/16/1987 | CA1222988A1 Scroll type fluid displacement apparatus |
06/16/1987 | CA1222987A1 Scroll type fluid displacement apparatus |
06/16/1987 | CA1222986A1 Scroll type fluid compressor unit |
06/16/1987 | CA1222985A1 Scroll-type fluid displacement apparatus |
06/16/1987 | CA1222983A1 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 | EP0224878A2 Machine for the compression and transport of fluids |
06/10/1987 | CN86206061U Stator for double-acting vaned oil pump |
06/09/1987 | US4671751 Screw rotor tooth profile |
06/09/1987 | US4671750 Screw rotor mechanism with specific tooth profile |
06/09/1987 | US4671749 Screw compressor |
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 |
06/09/1987 | CA1222732A1 Scroll type fluid displacement apparatus |
06/02/1987 | US4669963 Rolling piston type rotary machine |
06/02/1987 | US4669962 Scroll compressor with pressure differential maintained for supplying oil |
05/27/1987 | CN86205327U Chute blade compressor with rotary seal rack |
05/27/1987 | CN86205082U Blade iubricating pump with bidirectional valve |
05/26/1987 | US4668172 Compressor having discharge valve means adapted to enhance the coefficient of performance of the compressor |
05/21/1987 | WO1987003048A1 Screw rotor compressor and refrigeration plant |
05/21/1987 | WO1987003047A1 Rotary pumps |
05/20/1987 | EP0222109A1 Multiple cylinder rotary compressor |
05/20/1987 | EP0222082A1 Exhaust-driven screw charger |
05/19/1987 | US4666386 Rotary pump |
05/19/1987 | US4666385 Roots type blower |
05/19/1987 | US4666384 Roots type blower with reduced gaps between the rotors |
05/19/1987 | US4666381 Lubricant distribution system for scroll machine |
05/13/1987 | CN86207054U End sealing mechanism for rotary piston compressor |
05/12/1987 | US4664601 Operation control system of rotary displacement type vacuum pump |
05/06/1987 | EP0220801A1 Variable volume gas compressor |
05/05/1987 | US4662832 Screw type compressor |
05/05/1987 | US4662190 Integral slide valve-oil separator apparatus in a screw compressor |
04/29/1987 | CN86107541A Axial sealing mechanism for scroll type fluid displacement apparatus |
04/29/1987 | CN86104225A Rotary compressor with vane slot pressure groove |
04/23/1987 | WO1987002426A1 Vane cell compressor |
04/14/1987 | US4657495 Rotor-shaft bearing apparatus for rotary compressors |
04/14/1987 | US4657493 Rotary-sleeve supporting apparatus in rotary compressor |
04/14/1987 | US4657491 Blade sealing for impeller pumps |
04/14/1987 | CA1220379A1 Rotation preventing device for an orbiting piston type fluid displacement apparatus |
04/08/1987 | EP0217533A1 Variable volume gas compressor |
04/08/1987 | EP0217349A2 Scroll compressor |
04/08/1987 | EP0217025A2 Screw rotors for compressors or the like |
04/07/1987 | US4655697 Scroll-type apparatus with gap adjustment means |
04/07/1987 | US4655696 Anti-rotation coupling for a scroll machine |
04/01/1987 | CN86105602A Turbocompressor with variable quantity mechanism |
04/01/1987 | CN86105417A Scroll type compressor with variable displacement machanism |
03/31/1987 | US4653991 Vane type compressor with fluid pressure biased vanes |
03/26/1987 | DE3532917A1 Vane pump |
03/24/1987 | US4652223 Roots compressor for compressing of gaseous media |
03/18/1987 | EP0214164A1 Positive displacement machine, particularly pump. |
03/17/1987 | US4650405 Scroll pump with axially spaced pumping chambers in series |
03/17/1987 | US4650398 Bearing unit with integrated pump |
03/17/1987 | US4649612 Method of manufacturing a rotor for rotary fluid pumps |
03/17/1987 | US4649611 Method of and apparatus for positioning compressor scroll member |
03/10/1987 | US4648819 Vane-type rotary compressor with rotary sleeve |
03/10/1987 | US4648818 Rotary sleeve bearing apparatus for a rotary compressor |
03/10/1987 | US4648817 Supercharger for supplying a heat engine of a motor vehicle |
03/10/1987 | US4648814 Scroll fluid machine with oil injection part and oil relieving passage |
03/04/1987 | EP0212570A2 Rolling piston compressor |
03/04/1987 | CN85104862A Rotary fluid machines |
03/03/1987 | CA1218636A1 Compressor |
02/25/1987 | EP0211672A1 Scroll type compressor with variable displacement mechanism |
02/25/1987 | EP0211514A1 Rotary machine having screw rotor assembly |
02/25/1987 | EP0210984A1 Fluid motor or pump |
02/25/1987 | CN86103317A Eddy fluid machinery |
02/25/1987 | CN85205644U Shaft seal construction of vortex compressor |
02/24/1987 | US4645437 Scroll compressors with annular sealed high pressure thrust producing member |
02/24/1987 | US4645436 Scroll type fluid displacement apparatus with improved anti-wear device |
02/24/1987 | US4645435 Rotation preventing device for an orbiting member of a fluid displacement apparatus |
02/24/1987 | US4645429 Rotary compressor |
02/18/1987 | CN85200749U 空气压缩机 Air compressor |
02/17/1987 | US4643655 Backflow passage for rotary positive displacement blower |
02/10/1987 | US4642034 Scroll type compressor with displacement adjusting mechanism |
01/29/1987 | DE3623330A1 Centrifugal compressor |
01/29/1987 | DE3525933A1 Spiral compressor |
01/28/1987 | EP0209788A2 A roots type pump |
01/27/1987 | US4639199 Two-shaft vacuum pump with internal compression |
01/27/1987 | US4638570 Supercharger assembly and rotor phasing fixture and method of partially assembling |
01/17/1987 | CN85101566A Coolant discharge valve assembly in compressor |
01/13/1987 | US4636156 Screw rotor machines with specific tooth profiles |
01/13/1987 | US4636153 Rotary compressor with blind hole in end wall that aligns with back pressure chamber |
01/13/1987 | US4636152 Rotary compressor |
01/10/1987 | CN85101431A 旋转式流体机械 Rotary fluid machine |
01/07/1987 | EP0105315B1 Compressor of hermetical type |
01/07/1987 | CN85104920A Rotary type fluid machine |
01/06/1987 | US4634349 Variable displacement fluid pump |