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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Differentially geared reversible fan for ducted fan gas turbine engines

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02K-003/04    F02C-003/06   
미국특허분류(USC) 60/226R ; 60/268 ; 60/3916 ; C ; 417/315
출원번호 US-0609931 (1975-09-03)
우선권정보 UK-0039694 (1974-09-11)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 86  인용 특허 : 0
초록

A ducted fan gas turbine engine comprises a pair of turbines in flow series which are contra-rotating and which drive shafts which in turn drive into an epicyclic gear. The output from the epicyclic gear drives a fan which normally provides forward thrust from the engine. The fan can be made to rotate in the opposite direction to provide reverse thrust by varying the relative speeds of rotation of the two turbines by bleeding working fluid from between them.

대표
청구항
▼

A ducted fan gas turbine engine comprising a fan, two shafts, a turbine drivingly connected to each shaft for driving the shafts in opposite rotational directions, and a gear mechanism, wherein the two shafts are connected with the gear mechanism, the output of the gear mechanism being connected to drive the fan, the gears of the gear mechanism being arranged so that a given change of the relative speeds of rotation of the two shafts causes a reversal of the direction of rotation of said output, and means for varying the relative speeds of rotation of th...

이 특허를 인용한 특허 피인용횟수: 86

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