[특허]Mounting apparatus for fan jet engine having mixed flow nozzle installation

Mounting apparatus for fan jet engine having mixed flow nozzle installation 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64D-027/00 B64D-027/12
출원번호	US-0908080 (1978-05-22)
발명자 / 주소	Murphy Patrick (Bellevue WA)
출원인 / 주소	The Boeing Company (Seattle WA 02)
인용정보	피인용 횟수 : 48 인용 특허 : 0

초록 ▼

A main thrust link having a forward end connected to the engine core housing at a first forward location, and extending rearwardly and moderately upwardly therefrom to connect to a main support structure at a second rearward location. Connected to the rear of the engine core housing is a rear support device designed to resist vertical loads generally parallel to the vertical force component exerted by the main thrust link, and also to resist side loads. There is a forward connecting device interconnecting the fan casing with the support structure at a location forward of the forward connecting location of the main thrust link. This forward support device comprises a plurality of tangential links connecting to the fan casing at evenly spaced locations around the circumference of the fan casing, thus resisting not only vertical loads, but also resisting torsional loads and side loads on the engine. The forward and rear support devices exert a force couple substantially balancing the force couple created by the thrust link co-acting with the thrust force developed by the engine, and the forward and rear support devices additionally distribute the bending moments on the engine on both sides of the forward connecting location of the thrust link to diminish the maximum bending moment exerted on the engine.

대표청구항 ▼

In a jet engine having a core engine section and a fan section, said core engine section having a core housing with a front portion, a rear portion and a longitudinal center axis, said fan section having a fan case at the front end of the core housing, said fan case being rigidly connected to the engine core housing and positioned radially outward therefrom, a mounting apparatus for said engine, said apparatus comprising: a. a main support structure positioned radially outwardly of the core housing and having a rear end proximate the rear end of the engine core housing and a forward end proximate said fan case and having two forward side mounting portions on opposite sides of said fan case, b. a main thrust link having a rear end connecting to the rear end of the support structure at a first upper location spaced radially from said longitudinal center axis a greater radial distance, and a forward end connecting to the forward end of the core housing at a second location at a lesser radial distance from the longitudinal center axis of the engine core housing, in a manner that said main thrust link counteracts thrust loads developed by the engine by exerting a force having both a horizontal force component and a vertical force component, c. a rear support device connecting between the rear portion of the support structure and the rear portion of the engine core housing at a third location spaced rearwardly a substantial distance from the second connecting location of the front end of the thrust link, said rear support device being arranged to resist both vertical and lateral loads, d. two sets of tangent links, said sets being positioned on opposite sides of said fan case, each set comprising: 1. an upper link having a first end connected to a related one of said forward side mounting portions, with the upper link extending upwardly from its first end to a second end of the upper link, which second end is connected to said fan case at a related upper side portion of the fan case, said upper link having its first and second ends in a line generally tangentially aligned with said fan case so as to transmit substantially tangential loads into said fan case, 2. a lower link having a first end connected to said related one of said forward side mounting portions, with the lower link extending downwardly from its first end to a second end of the lower link, which second end is connected to said fan case at a related lower side portion of the fan case, said lower link having its first and second ends in a line generally tangentially aligned with said fan case so as to transmit substantially tangential loads into said fan case, whereby with said engine operating to develop a substantial thrust generally along the longitudinal axis, and with this thrust being resisted by the thrust link in a manner to create a first force couple on said engine, said rear support device and said sets of tangent links create an opposite force couple, with the rear support device exerting its force on said rear engine portion, and with said sets of tangent links exerting their forces in a symmetrical pattern about the circumference of the fan case.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Mounting apparatus for fan jet engine having mixed flow nozzle installation 원문보기

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연합인증

Mounting apparatus for fan jet engine having mixed flow nozzle installation 원문보기

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