[특허]Dampers for fan spinners of aircraft engines

Dampers for fan spinners of aircraft engines 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F03B-001/02 F04D-029/66 F04D-029/32 F01D-005/10
출원번호	US-0688558 (2012-11-29)
등록번호	US-9261112 (2016-02-16)
발명자 / 주소	Stoughton, Philip Howard Dietsch, Benjamin Allen Durchholz, Anthony John Eckert, Michael Charles
출원인 / 주소	General Electric Company
대리인 / 주소	General Electric Company
인용정보	피인용 횟수 : 0 인용 특허 : 43

초록 ▼

Dampers for fan spinners of aircraft engines are disclosed. An example fan module for a gas turbine engine may include a fan disk; fan blades mounted to the fan disk and extending radially therefrom; a fan spinner operatively coupled to the fan disk at an axially upstream position; and/or one or more elastic vibration dampers operatively interposing the fan spinner and the fan disk. The elastic vibration dampers may be disposed circumferentially around an interface between the fan spinner and the fan disk and may be compressed axially and/or radially.

대표청구항 ▼

1. A gas turbine engine comprising: a fan spinner;a fan disk; andan elastic vibration damper disposed within an interior of the fan spinner and operatively interposing the fan spinner and the fan disk;wherein the elastic vibration damper contacts the fan spinner forward of an aft edge of the fan spinner and is squeezed generally radially between the fan spinner and the fan disk. 2. The gas turbine engine of claim 1, wherein the elastic vibration damper is squeezed generally axially between the fan spinner and the fan disk. 3. The gas turbine engine of claim 1, further comprising a plurality of the elastic vibration dampers disposed circumferentially around an interface between the fan spinner and the fan disk. 4. The gas turbine engine of claim 1, wherein the elastic vibration damper comprises fluorosilicone rubber. 5. The gas turbine engine of claim 1, wherein the elastic vibration damper comprises one or more of silicone rubber, fluorocarbon rubber, perfluorinated elastomer, tetrafluoroethylene/propylene rubber, ethylene propylene diene rubber, nitrile rubber, or butyl rubber. 6. The gas turbine engine of claim 1, wherein the elastic vibration damper comprises one or more of a fiber or a particulate reinforcement. 7. A fan module for a gas turbine engine, the fan module comprising: a fan disk;a plurality of fan blades mounted to the fan disk and extending radially therefrom;a fan spinner operatively coupled to the fan disk at an axially upstream position; andone or more elastic vibration dampers operatively interposing the fan spinner and the fan disk, the one or more elastic vibration dampers being disposed circumferentially around an interface between the fan spinner and the fan disk forward of an aft edge of the fan spinner and within an interior of the fan spinner;wherein the one or more elastic vibration dampers are squeezed generally radially between the fan spinner and the fan disk. 8. The fan module of claim 7, wherein the one or more elastic vibration dampers are squeezed generally axially between the fan spinner and the fan disk. 9. The fan module of claim 7, wherein the one or more elastic vibration dampers comprises 24 elastic vibration dampers. 10. The fan module of claim 7, wherein the one or more elastic vibration dampers comprises a substantially full ring elastic vibration damper. 11. The fan module of claim 7, wherein the one or more elastic vibration dampers are arranged to oppose relative displacement of the fan spinner towards the fan disk. 12. The fan module of claim 7, further comprising a fan spinner support substantially rigidly coupling the fan spinner to the fan disk;wherein the fan spinner support is disposed radially inward from the one or more elastic vibration dampers. 13. A method of assembling a fan module, the method comprising: coupling a fan spinner to a fan disk using at least one fastener; andpartially compressing at least one elastic vibration damper operatively disposed between the fan spinner and the fan disk forward of an aft edge of the fan spinner and within an interior of the fan spinner by tightening the at least one fastener;wherein partially compressing the at least one elastic vibration damper comprises compressing the at least on elastic vibration damper in a generally radial direction. 14. The method of claim 13, further comprising, prior to coupling the fan spinner to the fan disk, placing the at least one elastic vibration damper between the fan spinner and the fan disk. 15. The method of claim 14, wherein placing the at least one elastic vibration damper between the fan spinner and the fan disk comprises placing a plurality of the elastic vibration dampers circumferentially around an interface between the fan spinner and the fan disk. 16. The method of claim 15, wherein placing the plurality of the elastic vibration dampers circumferentially around an interface between the fan spinner and the fan disk comprises disposing the plurality of elastic vibration dampers on the fan spinner and disposing the fan spinner on the fan disk. 17. The method of claim 13, wherein partially compressing the at least one elastic vibration damper comprises compressing the at least one elastic vibration damper in a generally axial direction.

이 특허에 인용된 특허 (43)

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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Dampers for fan spinners of aircraft engines 원문보기

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연합인증

Dampers for fan spinners of aircraft engines 원문보기

초록 ▼

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연구과제 타임라인

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