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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Control system for variable pitch fan propulsor

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B63H-003/10    F02C-009/02    B64C-011/44   
미국특허분류(USC) 416/28 ; 416/29 ; 416/30 ; 60/3916 ; R
출원번호 US-0477532 (1974-06-07)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 64  인용 특허 : 0
초록

A control for a variable pitch fan propulsor driven by a turbine type of power plant which fan is mounted in an engine bypass duct having a variable exit nozzle. The control serves to coordinate the control of fuel flow to the engine, the area of the fan exit nozzle, and the pitch of the fan blades by biasing the power lever position signal with Flight Mach No. An additional feature is the inclusion of fan surge control derived from signals of flight Mach No. and corrected free turbine speed.

대표
청구항
▼

A control system for a turbine type of power plant powering a variable pitch propulsor of the type that is closely coupled to the power plant and is supported in a duct bypassing the power plant, said control system including coordinating means for controlling the pitch of the propulsor and the flow of fuel to the power plant, said coordinating means being responsive to a scheduled value of speed derived as a function of flight Mach. No., power plant inlet temperature, power lever position and actual power plant rotational speed for controlling fuel flow...

이 특허를 인용한 특허 피인용횟수: 64

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  22. McCune, Michael E.; Portlock, Lawrence E.; Schwarz, Frederick M.. Gas turbine engine with geared architecture. USP20180910082105.
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  27. Houston, David P.; Kupratis, Daniel Bernard; Schwarz, Frederick M.. Geared turbofan gas turbine engine architecture. USP2017089739206.
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  30. Langston, Todd A.; Johnson, Andrew T.; Ahrendt, Terry J.. Gearless electric thrust reverser actuators and actuation system incorporating same. USP2004026684623.
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  34. Peplow, Martin Adam; McCormick, Ian. Method and apparatus for the engine control of output shaft speed. USP2004066748744.
  35. Ahrendt, Terry. Method for controlling the deployment of jet engine thrust reversers. USP2003056564541.
  36. Schwarz, Frederick M.; Sheridan, William G.. Monitoring system for non-ferrous metal particles. USP20190310233773.
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  45. Ahrendt, Terry J.; Johnson, Andrew T.; Chakkera, Kevin K.. System and method for controlling the movement of an aircraft engine cowl door. USP2003096622963.
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  57. Lu, Manxue; Hamel, Jeffrey Anthony. Thrust scheduling method for variable pitch fan engines and turbo-shaft, turbo-propeller engines. USP2017099771878.
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