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Pump control method and poppet valve therefor 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F04B-049/04
  • F04B-049/06
출원번호 US-0671827 (1991-03-25)
우선권정보 GB-0022901 (1988-09-29)
국제출원번호 PCT/GB89/01146 (1989-09-28)
§371/§102 date 19910325 (19910325)
국제공개번호 WO-9003519 (1990-04-05)
발명자 / 주소
  • Salter Stephen H. (East Lothian GB6) Rampen William H. S. (Edinburgh GB6)
출원인 / 주소
  • The University Court of the University of Edinburgh (Edinburgh GB6 03)
인용정보 피인용 횟수 : 44  인용 특허 : 0

초록

Displacement control of a multi-piston fluid pump is achieved by real time control of electrically selectable inlet poppet valves in one or more of the cylinders. Microprocessor control permits desired variable output characteristics to be matched. An electrically actuable poppet valve using an annu

대표청구항

A method of controlling the displacement of a reciprocating fluid pump connected to a high pressure duct and having a plurality of pumping chambers each of which has an inlet valve with a valve member movable to an open limit condition to admit low pressure fluid to the chamber on an inlet stroke of

이 특허를 인용한 특허 (44)

  1. Wallis, Frank S.; Knapke, Mitch M.; Bergman, Ernest R., Capacity modulation system for compressor and method.
  2. Wallis, Frank S.; Knapke, Mitch M.; Bergman, Ernest R., Capacity modulation system for compressor and method.
  3. Gandrud, Michael D., Check valve pump with electric bypass valve.
  4. Caillat, Jean Luc, Compressor capacity modulation.
  5. Caillat, Jean-Luc, Compressor capacity modulation.
  6. Pham,Hung M; Singh,Abtar; Caillat,Jean Luc; Bass,Mark, Compressor with capacity control.
  7. Pham, Hung M; Singh, Abtar; Caillat, Jean-Luc; Bass, Mark, Cooling system with variable capacity control.
  8. Bailey, Brett M.; Nippert, Andrew H., Digital controlled fluid translating device.
  9. Lumkes, John H.; Batdorff, Mark Allen; Merrill, Kyle Joseph; Holland, Michael Andrew; Wilfong, Gabriel Jordan, Fluid control valve systems, fluid systems equipped therewith, and methods of using.
  10. Nippert, Andrew H., Fluid translating device.
  11. Caldwell, Niall J., Fluid transmission with improved traction control.
  12. Kuttler, Onno; Stein, Uwe, Fluid working machine.
  13. Lavender, Jack Samuel; Fielding, Michael Richard; Caldwell, Niall James; Stein, Uwe Bernhard Pascal; Laird, Stephen Michael, Fluid working machine and method of operating a fluid working machine.
  14. Stephenson, Dwight B.; Rajput, Prashant K., Fluid working machine with cylinders coupled to split exterior ports by electrohydraulic valves.
  15. Stein, Uwe; McIntyre, Fergus; Eilers, Jens; Voller, Gordon, Fluid working machine with valve actuator and method for controlling the same.
  16. Stein, Uwe Bernhard Pascal; Caldwell, Niall James, Fluid working machines and methods.
  17. Stein, Uwe Bernhard Pascal, Fluid-working machine.
  18. Rampen, William Hugh Salvin; Caldwell, Niall James; Fielding, Michael Richard; Laird, Stephen Michael; Stein, Uwe Bernhard Pascal; Campbell, John Tearlach, Fluid-working machine and method of detecting a fault.
  19. Rampen, William Hugh Salvin; Caldwell, Niall James; Laird, Stephen Michael, Fluid-working machine and method of operating a fluid-working machine.
  20. Salter, Stephen Hugh; Rampen, William Hugh Salvin; Fielding, Michael Richard; Caldwell, Niall James; Laird, Stephen Michael; Joly, Pierre Robert, Fluid-working machine and method of operating a fluid-working machine.
  21. Rampen, William Hugh Salvin; Stein, Uwe Bernhard Pascal; Caldwell, Niall James; Laird, Stephen Michael; Joly, Pierre Robert; Fielding, Michael Richard; Dumnov, Daniil Sergeevich, Fluid-working machine valve timing.
  22. Rampen, William Hugh Salvin; Stein, Uwe Bernhard Pascal; Caldwell, Niall James; Laird, Stephen Michael; Joly, Pierre Robert; Fielding, Michael Richard; Dumnov, Daniil Sergeevich, Fluid-working machine valve timing.
  23. Caldwell, Niall James; Dumnov, Daniil Sergeevich; Rampen, William Hugh Salvin; Robertson, Alasdair Ian Fletcher; Stein, Uwe Bernhard Pascal; Fox, Robert George, Fluid-working machine with multi-lobe ring cam.
  24. Maeda, Tomoyuki; Asayama, Kazuhiro; Ishikawa, Tomoji; Inoue, Hiroshi, High pressure pump.
  25. Edmonson, Jeremy Richard; Coombs, Joshua, Hydraulic pump system and method of operation.
  26. Wadsley, Luke; Caldwell, Niall, Hydraulic system with supplement pump.
  27. Caldwell, Niall; Abrahams, Daniel; Dumnov, Daniil, Hydraulic transmission.
  28. Caldwell, Niall James; Edmondson, Jeremy; Robertson, Alasdair Ian Fletcher; Stein, Uwe Bernhard Pascal, Industrial system with synthetically commutated variable displacement fluid working machine.
  29. Rampen, William Hugh Salvin; Lynn, Alfred E., Infinitely variable transmission hydraulic hybrid for on and off highway vehicles.
  30. Mucibabic, Srdjan; Huang, Max Changchun, Injection molding system having a digital displacement pump.
  31. Kuttler, Onno; Lai, Ken Kin-ho, Method of controlling a cyclically commutated hydraulic pump.
  32. Caldwell, Niall James; Laird, Stephen Michael, Method of measuring a property of entrained gas in a hydraulic fluid and fluid-working machine.
  33. Kuttler, Onno; Lai, Ken Kin-ho, Method of operating a fluid working machine.
  34. Kuttler, Onno; Lai, Ken Kin-ho, Method of operating a fluid working machine.
  35. Kuttler, Onno; Lai, Ken Kin-ho, Operating method for fluid working machine.
  36. Coombs, Joshua; Edmondson, Jeremy, Suspension strut for a vehicle.
  37. Coombs, Joshua; Edmondson, Jeremy, Suspension strut for a vehicle.
  38. Coombs, Joshua; Edmondson, Jeremy, Suspension strut for a vehicle.
  39. Wallis, Frank S.; Bergman, Ernest R., Unloader system and method for a compressor.
  40. Stein, Uwe Bernhard Pascal; Caldwell, Niall James; Rampen, William Hugh Salvin, Valvetrain control arrangement.
  41. Watanabe, Yasushi; Saga, Koji; Ohnishi, Hideaki, Variable displacement pump.
  42. Holt, Laurence J; Lavoie, Paul, Vehicle auxiliary hydraulic system.
  43. Tsutsumi, Kazuhisa; Maekawa, Atsushi; Shimizu, Masayuki; Salter, Stephen; Stein, Uwe; Rampen, William; Fox, Robert; Karstens, Hauke, Wind turbine generator and tidal current generator with a hydraulic transmission.
  44. Tsutsumi, Kazuhisa; Shimizu, Masayuki; Dumnov, Daniil, Wind turbine generator with a control unit for controlling a rotation speed of a main shaft.
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