[특허]Apparatus for facilitating access to a nacelle interior and method of assembling the same

MRA Systems, Inc.

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특허 상세정보

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Apparatus for facilitating access to a nacelle interior and method of assembling the same

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B64D-029/06 F01D-025/28 F02C-007/20
출원번호	US-0524127 (2012-06-15)
등록번호	US-9188026 (2015-11-17)
발명자 / 주소	Calder, David P. Howarth, Graham F.
출원인 / 주소	MRA Systems, Inc.
대리인 / 주소	General Electric Company
인용정보	피인용 횟수 : 10 인용 특허 : 22

초록

A nacelle for housing an engine includes a fan cowl sized to cover at least a first axial portion of the engine. The engine includes an inlet end, an exhaust end, and an axis extending through the engine from the inlet end through the exhaust end. The fan cowl is coupled to an engine mounting pylon via a slider-type mounting system that includes at least one slider track assembly defining at least one slot therein. The at least one slot is configured to receive at least one fan cowl slider fitting.

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1. A nacelle for housing an engine that includes an inlet end, an exhaust end, and an axis extending through the engine from the inlet end through the exhaust end, said nacelle comprising a fan cowl sized to cover at least a first axial portion of the engine and a trans cowl sized to cover at least a second axial portion of the engine aft of the fan cowl, said fan cowl coupled to an engine mounting pylon via a slider-type mounting system comprising at least one slider track assembly defining at least one slot therein, said at least one slot comprises at least one cutout, wherein said at least one cutout is configured to receive at least one fan cowl slider fitting, said fan cowl slidable, via the at least one fan cowl slider fitting, with respect to the engine along the axis toward the exhaust, and said fan cowl slidable over at least a portion of the transcowl or in conjunction with the transcowl. 2. The nacelle in accordance with claim 1, wherein said at least one fan cowl slider fitting is coupled to said fan cowl and said at least one slider track assembly is coupled to the engine mounting pylon. 3. The nacelle in accordance with claim 1, wherein said at least one slot comprises a plurality of cutouts, wherein each of said cutouts is configured to receive one of a plurality of fan cowl slider fittings. 4. The nacelle in accordance with claim 1, wherein said slider-type mounting system comprises said at least one slider track assembly on each side of the engine mounting pylon, wherein each of said at least one slider track assemblies comprise: a plurality of cutouts defined by said at least one slot; anda plurality of fan cowl slider fittings coupled to said fan cowl, wherein said fan cowl slider fittings are inserted in respective cutouts included in said plurality of cutouts. 5. The nacelle in accordance with claim 4, wherein said fan cowl slider fittings are slid along the axis toward the inlet end within said at least one slot to secure said fan cowl to the engine mounting pylon, and said fan cowl slider fittings are slid along the axis toward the exhaust end within said at least one slot to remove said fan cowl from the engine mounting pylon. 6. The nacelle in accordance with claim 1, wherein said slider-type mounting system further comprises at least one power drive system. 7. The nacelle in accordance with claim 6 wherein, said fan cowl extending from forward of said transcowl to an overlapping relationship with said transcowl, wherein said power drive system is coupled to said transcowl. 8. The nacelle in accordance with claim 1, wherein said slider-type mounting system further comprises at least one slider fitting retention plate removably coupled to said engine mounting pylon, said at least one slider fitting retention plate configured to restrict transverse motion of said at least one slider fitting. 9. The nacelle in accordance with claim 1 further comprising said fan cowl extending from forward of said transcowl to an overlapping relationship with said transcowl, said transcowl movable with respect to the engine along the axis toward at least one of the inlet end and the exhaust end, wherein said fan cowl is coupled to said transcowl via at least one linkage device, said at least one linkage device facilitates transmission of power from said transcowl to said fan cowl. 10. The nacelle in accordance with claim 1 further comprising a fan cowl locking device coupled to at least one of an inlet aft bulkhead, a thrust reverser forward bulkhead, and the engine mounting pylon. 11. A method of assembling a nacelle for a gas turbine engine that includes an inlet end, an exhaust end, and an axis that extends through the engine from the inlet end through the exhaust end, said method comprising: providing a fan cowl sized to cover at least a first axial portion of the engine;providing a trans cowl, aft of the fan cowl, sized to cover at least a second axial portion of the engine;extending the fan cowl about the first axial portion of the engine and the transcowl about the second axial portion of the engine;providing a slider-type mounting system including at least one slider track assembly defining at least one slot therein comprising at least one cutout, wherein the at least one cutout is configured to receive at least one fan cowl slider fitting;sliding, with respect to the engine along the axis toward the exhaust, said fan cowl along the at least one slider track, and sliding said fan cowl over at least a portion of the transcowl or in conjunction with the transcowl; andcoupling the fan cowl to an engine mounting pylon via the slider-type mounting system. 12. The method in accordance with claim 11, wherein coupling the fan cowl to the engine mounting pylon comprises: coupling the at least one fan cowl slider fitting to the fan cowl; andcoupling the at least one slider track assembly to the engine mounting pylon. 13. The method in accordance with claim 11, wherein providing a slider-type mounting system including at least one slider track assembly defining at least one slot therein comprises forming a plurality of cutouts, wherein each of the cutouts is configured to receive one of a plurality of fan cowl slider fittings. 14. The method in accordance with claim 11, wherein providing a slider-type mounting system including at least one slider track assembly comprises providing a slider track assembly on each side of the engine mounting pylon comprising: forming a plurality of cutouts in each of the slider track assemblies; andcoupling a plurality of fan cowl slider fittings to the fan cowl comprising inserting each of the fan cowl slider fittings in each of the plurality of cutouts. 15. The method in accordance with claim 14 further comprising: sliding the fan cowl slider fittings along the axis toward the inlet end within the at least one slot to secure the fan cowl to the engine mounting pylon; andsliding the fan cowl slider fittings along the axis toward the outlet end within the at least one slot to remove the fan cowl from the engine mounting pylon. 16. The method in accordance with claim 11, wherein providing the slider-type mounting system comprises providing at least one power drive system. 17. The method in accordance with claim 16 further comprising: providing the fan cowl forward of the transcowl in at least a partially overlapping relationship with the transcowl; andcoupling the power drive system to the transcowl. 18. The method in accordance with claim 11, wherein providing a slider-type mounting system comprises removably coupling at least one slider fitting retention plate to the engine mounting pylon, wherein the at least one slider fitting retention plate is configured to restrict transverse motion of the at least one slider fitting. 19. The method in accordance with claim 11 further comprising: providing the fan cowl forward of the transcowl in at least a partially overlapping relationship with the transcowl, wherein the transcowl is movable with respect to the engine along the axis toward at least one of the inlet end and the exhaust end; andcoupling the fan cowl to the transcowl via at least one linkage device, wherein the at least one linkage device facilitates transmission of power from the transcowl to the fan cowl. 20. The method in accordance with claim 11 further comprising coupling the fan cowl to at least one of an inlet aft bulkhead, a thrust reverser forward bulkhead, and the engine mounting pylon via at least one fan cowl locking device.

이 특허에 인용된 특허 (22)

이 특허를 인용한 특허 피인용횟수: 10

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Apparatus for facilitating access to a nacelle interior and method of assembling the same

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이 특허에 인용된 특허 (22)

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Apparatus for facilitating access to a nacelle interior and method of assembling the same

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이 특허에 인용된 특허 (22)

이 특허를 인용한 특허 피인용횟수: 10

IPC 상위 출원인

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IPC 상세정보(version : 201201)

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