| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
|---|
| 02/23/1988 | US4726739 Multiple cylinder rotary compressor |
| 02/23/1988 | US4726100 Method of manufacturing a rotary scroll machine with radial clearance control |
| 02/23/1988 | CA1233144A1 Controlled suction unloading in a scroll compressor |
| 02/18/1988 | DE3714791A1 Slide piston rotary compressor (piston turbine) |
| 02/17/1988 | CN87105288A Rotary type compressor using exhaust regulating valve |
| 02/09/1988 | CA1232492A1 Wave pump assembly |
| 02/02/1988 | US4722676 Axial sealing mechanism for scroll type fluid displacement apparatus |
| 02/02/1988 | US4722652 Hydraulic vane type pump |
| 01/26/1988 | US4720899 Method of manufacturing scroll members for use in a rotary compressor |
| 01/26/1988 | CA1231864A1 Scroll type fluid displacement apparatus with surface treated spiral element |
| 01/20/1988 | EP0253049A2 Scroll compressor |
| 01/14/1988 | WO1988000294A1 Screw rotor compressor |
| 01/13/1988 | EP0252658A2 Variable capacity vane compressor |
| 01/13/1988 | CN87202214U Uniform rotating fluid sucker device |
| 01/07/1988 | EP0251019A2 Screw compressor |
| 01/07/1988 | DE3621178A1 Piston of a rotary piston ventilator with an external axis |
| 01/06/1988 | CN87208227U Whirling leaf type oilless vacuum pump |
| 01/05/1988 | US4717321 Vane compressor with vane back pressure adjustment |
| 01/05/1988 | US4717314 Scroll compressor with control device for variable displacement mechanism |
| 12/30/1987 | CN87103909A Rotary compressor |
| 12/29/1987 | USRE32568 Screw rotor machine and rotor profile therefor |
| 12/29/1987 | US4715797 Rotary-piston displacement machine |
| 12/23/1987 | EP0249657A2 Apparatus with a vane pump |
| 12/22/1987 | US4714418 Screw type vacuum pump |
| 12/22/1987 | US4714415 Scroll compressor with closed compression spaces having valves to reduce starting torque |
| 12/16/1987 | EP0248839A1 Intermittent service screw compressor. |
| 12/16/1987 | CN87103954A Compressor |
| 12/16/1987 | CN87103613A Hermetically sealed rotary compressor |
| 12/15/1987 | US4712987 Vane compressor provided with endless camming surface minimizing torque fluctuations |
| 12/15/1987 | US4712442 Lubricating mechanism for a rotary machine |
| 12/10/1987 | DE3716017A1 Rotary piston compressor |
| 12/08/1987 | US4711620 Moving vane type compressor |
| 12/05/1987 | CN86208229U Boost-adjustable rotary compressor |
| 12/02/1987 | EP0247057A1 High output rotary compressor |
| 12/01/1987 | US4710111 Rotary compressor with oil groove between journal and journal bearing |
| 12/01/1987 | US4710110 Fluid pump apparatus |
| 12/01/1987 | CA1229830A1 Rotary, positive-displacement machine, of the helical- rotor type, and rotors therefor |
| 11/26/1987 | DE3617397A1 Control of a rotary piston compressor |
| 11/25/1987 | EP0246382A2 Backflow passage for rotary blower of the Roots-type |
| 11/25/1987 | CN87200648U Internal mesh and outward rotary string rotor pump |
| 11/24/1987 | US4708607 Scroll compressor with lower and higher pressure chambers acting on the orbiting end plate |
| 11/24/1987 | US4708598 Rotary type gas compressor |
| 11/24/1987 | CA1229520A1 Axial sealing device for a scroll type fluid displacement apparatus |
| 11/19/1987 | EP0245427A1 Screw rotor compressor and refrigeration plant. |
| 11/19/1987 | EP0245381A1 Rotary pumps |
| 11/12/1987 | DE3619645A1 Bearing arrangement for a rotary piston ventilator with an external axis |
| 11/11/1987 | CN86105874A Pump with half-round cam rotor |
| 11/10/1987 | CA1229016A1 Anti-rotation coupling for a scroll machine |
| 11/05/1987 | WO1987006654A1 Rotary positive displacement machine for a compressible working fluid |
| 11/03/1987 | US4704076 Rotary compressor |
| 11/03/1987 | US4704069 Method for operating dual slide valve rotary gas compressor |
| 10/27/1987 | US4703021 Sliding contact type ceramics article and a method for manufacturing the same |
| 10/27/1987 | US4702684 Slide vane type compressor with increased suction part-cross-sectional area |
| 10/27/1987 | US4702683 Motor driven scroll-type machine with an eccentric bushing structure for enhancing lubrication |
| 10/27/1987 | US4702682 Motor driven scroll-type machine with compact oil lubricating structure |
| 10/27/1987 | US4702681 Motor driven scroll-type machine with cooling and lubricating structure |
| 10/22/1987 | DE3611882A1 Slide-piston rotary compressor |
| 10/21/1987 | CN86100642A Rotary electromotive compressor |
| 10/20/1987 | US4701115 Axial sealing mechanism for a scroll compressor |
| 10/20/1987 | US4701085 Method and apparatus for external broaching of resin-coated parts |
| 10/15/1987 | DE3611395A1 Rotating piston compressor |
| 10/14/1987 | EP0240823A2 Rolling piston compressor |
| 10/14/1987 | CN86102105A Improved compressor |
| 10/08/1987 | DE3710700A1 Rotationskompressor Rotary compressor |
| 10/07/1987 | EP0240294A2 Fiber reinforced metal vanes for rotary compressor |
| 10/06/1987 | US4697994 Multistage discharge type rotary vacuum pump |
| 10/01/1987 | DE3609996A1 Screw-type compressor |
| 09/29/1987 | US4696866 Aluminum, silicon alloy type; wear, heat resistance; engines |
| 09/29/1987 | US4696630 Scroll compressor with a thrust reduction mechanism |
| 09/29/1987 | US4696629 Hermetic scroll compressor with welded casing section |
| 09/29/1987 | US4696628 Scroll-type fluid transferring machine with intake port and second intake passage |
| 09/29/1987 | US4696627 Scroll compressor |
| 09/29/1987 | CA1227519A1 Rotor-shaft bearing apparatus for movable vane compressors |
| 09/29/1987 | CA1227518A1 Rotary sleeve bearing apparatus for rotary compressors |
| 09/29/1987 | CA1227469A1 Rotary compressor |
| 09/29/1987 | CA1227468A1 Rotary compressor housing |
| 09/29/1987 | CA1227467A1 Two-stage rotary compressor |
| 09/23/1987 | EP0237734A2 Screw vacuum pump unit |
| 09/23/1987 | EP0237618A2 Rotary vane vacuum pump |
| 09/23/1987 | CN86101726A Rotary compressor and sucking pump with rotating cylinder technology |
| 09/23/1987 | CN86101590A Radial force balancing single action fixed quantity paddle pump |
| 09/23/1987 | CN86101465A Radial force balancing single action variable quantity paddle pump |
| 09/22/1987 | US4695233 Screw rotor mechanism |
| 09/22/1987 | CA1227173A1 Interfitting mechanism of spiral elements for scroll type fluid displacement apparatus |
| 09/16/1987 | EP0236665A1 Scroll compressor |
| 09/16/1987 | CN87101649A Oil injection threaded bolt refrigerating compressor |
| 09/01/1987 | US4690625 Scroll-type fluid machine with configured wrap edges and grooves |
| 08/19/1987 | CN86108274A Circular-arc teeth shape of screw type compressor rotor |
| 08/13/1987 | DE3603818A1 Fast-flow axial high-power CO2 laser |
| 08/12/1987 | EP0231648A1 Variable capacity vane compressor |
| 08/04/1987 | US4684330 Drive for rotary compressor |
| 08/04/1987 | CA1225071A1 Helical screw rotary compressor for air conditioning system having improved oil management |
| 07/30/1987 | WO1987004495A1 A mechanism |
| 07/21/1987 | CA1224450A1 Strainer device for rotary compressor |
| 07/14/1987 | US4679996 Rotary machine having screw rotor assembly |
| 07/14/1987 | CA1224195A1 Rotary compressor |
| 07/08/1987 | EP0227881A1 Rotary compressor with vane slot pressure groove |
| 07/07/1987 | US4678416 Rotary type fluid machine |
| 07/07/1987 | US4678415 Rotary type fluid machine |
| 07/07/1987 | US4678406 Variable volume ratio screw compressor with step control |