[특허]Turbofan engine with means to smooth intake air

[미국특허] Turbofan engine with means to smooth intake air 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02K-001/64
출원번호	US-0211798 (1994-06-27)
우선권정보	DE-4134051 (1991-10-15)
국제출원번호	PCT/EP92/02274 (1992-10-01)
§371/§102 date	19940627 (19940627)
국제공개번호	WO-9308397 (1993-04-29)
발명자 / 주소	Lindner Ernst (Tubingen DEX) Trittler Guido W. (Unterschleissheim DEX) Britz Klaus (Olching DEX)
출원인 / 주소	MTU Motoren-und Turbinen Union Munchen GmbH (Munchen DEX 03)
인용정보	피인용 횟수 : 17 인용 특허 : 0

초록 ▼

A turbojet fan engine is disclosed having a fan or prop fan which blows air into a secondary channel and an external shroud for the turbine and the secondary channel, in which the front end of the shroud is formed with an inlet lip and the rear end of the shroud is formed in a nozzle-like, pointed manner and at least one end of the shroud is changed, with respect to its effective profile geometry, by means of air under pressure which is taken from the engine and blown out at the appropriate end of the shroud.

대표청구항 ▼

A turbofan engine having an engine and a fan and comprising a shroud surrounding the engine and defining therewith a secondary channel containing said fan for flow of air therethrough from front to rear during normal forward flight to produce forward thrust and from rear to front during braking to produce reverse thrust, said fan having blades with variable pitch for reversing the flow of air through said secondary channel, said shroud having a leading end with an inlet lip thereat and a trailing end of pointed shape forming a part of a nozzle for discharge of air during forward flight, said leading end and said trailing end having a fixedly arranged contour to produce an airflow pattern thereon corresponding to aerodynamic flow requirements during cruise flight operating conditions and means at least at one of said ends of said shroud for changing said air flow pattern at said at least one of said shroud ends during engine operating conditions differing from said cruise flight operating conditions for diverting, from outer ambient air flow, a partial intake air flow into said shroud to produce a substantially smooth, non-turbulent flow of the complete engine intake air into said shroud at said at least one end thereof, wherein said means for changing said air flow pattern comprises means for blowing air under pressure at the outside surface of said shroud.

이 특허를 인용한 특허 (17) 인용/피인용 타임라인 분석

Deiss, Olga; Reinarz, Bernd; Van Kampen, Jaap, Adaptation method and production method for components produced by SLM.
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Bagnall,Adam M; Freeman,Christopher, Arrangement for bleeding the boundary layer from an aircraft engine.
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Kerrebrock Jack L. ; Epstein Alan H., Counter-rotating compressors with control of boundary layers by fluid removal.
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Stuart, Alan Roy; Lonneman, Patrick John, Gas turbine engine and method of assembling the same.
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Morford, Stephen A.; Larkin, Michael J., Gas turbine engine having slim-line nacelle.
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Morford, Stephen A.; Larkin, Michael J., Gas turbine engine having slim-line nacelle.
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Morford, Stephen A.; Larkin, Michael J., Gas turbine engine having slim-line nacelle.
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Winter, Michael; Jain, Ashok K., Gas turbine engine system providing simulated boundary layer thickness increase.
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Jain, Ashok K.; Winter, Michael, Nacelle assembly having inlet airfoil for a gas turbine engine.
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Haas, Martin, Nacelle assembly having inlet bleed.
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Haas, Martin, Nacelle assembly with turbulators.
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Cloft, Thomas G.; Jain, Ashok K., Nacelle compartment plenum for bleed air flow delivery system.
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Jain, Ashok K., Nacelle flow assembly.
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Jain, Ashok K., Nacelle flow assembly.
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Jain, Ashok K., Nacelle flow assembly.
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Winter, Michael, Turbofan engine with variable bypass nozzle exit area and method of operation.
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Jain, Ashok K.; Chaudhry, Zaffir A., Variable shape inlet section for a nacelle assembly of a gas turbine engine.
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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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[미국특허] Turbofan engine with means to smooth intake air 원문보기