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Method and apparatus for increasing compressor inlet pressure 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F02K-003/075
출원번호 US-0973766 (1978-12-27)
발명자 / 주소
  • Snow Barton H. (Wyoming OH)
출원인 / 주소
  • General Electric Company (Cincinnati OH 02)
인용정보 피인용 횟수 : 33  인용 특허 : 4

초록

A plurality of blocker door vanes are disposed in the bypass duct to selectively close off the bypass flow and increase the flow and pressure of the air flowing into the compressor. In this way, the compressor inlet pressure can be increased sufficiently to allow air starts without starter torque as

대표청구항

A method of facilitating air starts in a turbofan engine of the type having a core, a fan, and a bypass duct, comprising the steps of: (a) blocking the flow of air in the bypass duct; and (b) increasing the inlet pressure to the compressor to a level which will allow an air start.

이 특허에 인용된 특허 (4)

  1. Wagenknecht Conrad D. (West Chester OH) Faust Guy K. (West Chester OH), Individual bypass injector valves for a double bypass variable cycle turbofan engine.
  2. Koff ; Bernard L. ; Budinger ; Raymond E. ; Johnson ; James E., Modulating bypass variable cycle turbofan engine.
  3. Thomas William W. (Cincinnati OH) Sprunger Elmore V. (Cincinnati OH), Two-spool variable cycle engine.
  4. Rundell ; Dan Joseph ; McHugh ; Donald Patrick ; Foster ; Tom ; Brown ; Ralph Harold, Variable mixer propulsion cycle.

이 특허를 인용한 특허 (33)

  1. DeYoe,Donald A.; Tsou,Richard C., Adjustable damper actuator.
  2. Kight, Matthew Scott, Bimodal fan, heat exchanger and bypass air supercharging for piston or rotary driven turbine.
  3. Agrawal, Rajendra K.; Sirica, Steven J.; Schneider, William F., Convertible gas turbine propulsion system.
  4. Parry,Anthony B, Gas turbine engine including stator vanes having variable camber and stagger configurations at different circumferential positions.
  5. Smith, Peter G.; Ochs, Stuart S.; Schwarz, Frederick M., Gas turbine engine with low fan pressure ratio.
  6. Smith, Peter G.; Ochs, Stuart S., Gas turbine engine with variable geometry fan exit guide vane system.
  7. Ruthemeyer, Michael Anthony, Integrated variable geometry flow restrictor and heat exchanger.
  8. Harvell John K. ; Michalski ; Jr. Joseph W. ; Freeman Craig A., Method and apparatus for controlling the inlet duct leading to an auxiliary power unit.
  9. Hurwitz, Wayne; Levasseur, Glenn, Method and device to avoid turbo instability in a gas turbine engine.
  10. Mark Jeffery Bouyer, Methods and apparatus for adjusting gas turbine engine variable vanes.
  11. Senile, Darrell; Renggli, Bernard J., Methods and apparatus for retaining gas turbine engine nozzle basesheets.
  12. Renggli, Bernard J.; Senile, Darrell, Methods and apparatus for sealing gas turbine engine nozzles using a flap system.
  13. Michael Jay Toffan ; Paul Evan Zimpelmann ; David Jay Harris, Methods and apparatus for sealing gas turbine engine variable nozzles.
  14. Bachelder, Kenneth Alan; Welty, Donald James, Methods and apparatus for supporting variable bypass valve systems.
  15. Senile,Darrell Glenn; Burke,Christina Marie; Renggli,Bernard J.; Amneus,John Sigfrid, Methods and apparatus to reduce turbine engine nozzle basesheet stresses.
  16. King Aaron H. ; Lammas Andrew J. ; Connelly John D., Movable shaft assembly.
  17. Kulkarni, Parag Prakash; Davis, Jr., Lewis Berkley; Reed, Robert Joseph, Power generation system exhaust cooling.
  18. Reed, Robert Joseph; Davis, Jr., Lewis Berkley; Kulkarni, Parag Prakash, Power generation system exhaust cooling.
  19. Reed, Robert Joseph; Davis, Jr., Lewis Berkley; Kulkarni, Parag Prakash, Power generation system exhaust cooling.
  20. Dooley, Kevin Allan, Relighting a turbofan engine.
  21. Dooley, Kevin Allan, Relighting a turbofan engine.
  22. Stephens Frederick D. (Lake Park FL), Stall elimination and restart enhancement device.
  23. Bouru, Michel Andre; Gaully, Bruno Robert, System for controlling variable geometry apparatuses in a turbine engine.
  24. Colotte, Baptiste Benoit; Gaully, Bruno Robert, System for controlling variable geometry equipment for a turbine engine, especially by bellcranks.
  25. Colotte, Baptiste Benoit; Gaully, Bruno Robert, System for controlling variable geometry equipment of a gas turbine engine especially comprising a guiding track connection.
  26. Colotte, Baptiste Benoit; Gaully, Bruno Robert, System for controlling variable geometry equipment of a gas turbine engine particularly comprising a barrel link.
  27. Winter, Michael; Lents, Charles E., Turbofan engine with variable area fan nozzle and low spool generator for emergency power generation and method for providing emergency power.
  28. Lecordix, Jean-Loic Herve, Turbomachine comprising a plurality of fixed radial blades mounted upstream of the fan.
  29. Klees Gary W. (Mercer Island WA) Johnson Paul E. (Mercer Island WA), Turboprop engine and method of operating the same.
  30. Jain, Ashok K.; Winter, Michael, Variable area nozzle assisted gas turbine engine restarting.
  31. Orosa, John A; Ress, Jr., Robert A, Variable pitch fan for gas turbine engine.
  32. Bowen, Wayne Ray; Potter, Jeffrey Clayton; Headley, Mitchell Jay, Variable stator vane support arrangement.
  33. Swanson,Timothy A.; Jones,James E., Vernier duct blocker.
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