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특허 상세정보

Systems and methods for starting aircraft engines

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02C-007/22    B63H-011/00   
미국특허분류(USC) 060/778; 060/204
출원번호 UP-0051272 (2005-02-03)
등록번호 US-7513119 (2009-07-01)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Perkins Coie LLP
인용정보 피인용 횟수 : 28  인용 특허 : 80
초록

Methods and systems for starting aircraft turbofan engines are disclosed. A system in accordance with one embodiment includes an electrically-powered starter motor coupled to a turbofan engine to provide power to the turbofan engine during an engine start procedure. The system can further include an on-board, deployable, ram air driven turbine coupled to an electrical generator, which is in turn coupled to the starter motor to provide electrical power to the starter motor. In other embodiments, the ram air driven turbine can be replaced with a fuel cell ...

대표
청구항

We claim: 1. A method for operating a turbofan engine, comprising: allowing an unstarted turbofan engine of an aircraft to windmill during flight; deploying a ram air driven turbine into an airstream adjacent to the aircraft; extracting electrical power from the ram air driven turbine via an electrical generator coupled to the ram air driven turbine; starting the turbofan engine by directing the electrical power to a starter motor coupled to the turbofan engine; and testing at least one of the ram air driven turbine and the electrical generator on the g...

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  2. Berenger, Serge; Godart, Didier Francois. Aircraft including an electric starter-generator for the or each turbojet, an undercarriage fitted with an electric motor for taxiing, an electricity converter, and an electricity distribution unit connecting the electricity converter to the starter-generator and the electric motor. USP2016019227725.
  3. Burns, Donald; Rajashekara, Kaushik. Aircraft, propulsion system, and system for taxiing an aircraft. USP2014048684304.
  4. Burns, Donald; Rajashekara, Kaushik. Aircraft, propulsion system, and system for taxiing an aircraft. USP2014058727270.
  5. Mitrovic, Lazar; Ullyott, Richard. Apparatus and methods for powering an electrical device associated with an aircraft rotor. USP2017119828109.
  6. Swearingen, Paul; Marks, Scott J.. Automatic ram air turbine deployment. USP2014118892265.
  7. Mason, Jeffrey Lee; Sieg, Daniel Alexander; Gutierrez, Carlos Eduardo; Glessner, John Carl; Lawless, Charles Steve. Compact high-pressure exhaust muffling devices. USP2013048430202.
  8. Said, Waleed; Chai, Huazhen. Control of pole-change induction motors. USP2012108294409.
  9. Mehl, Byron R.; Baker, Donal. Electric engine start with two motors and single motor drive. USP2010077755208.
  10. Maddali, Vijay K.; Rozman, Gregory I.; Dooley, Kevin. Engine having power bus fault short circuit control with a disconnection switch. USP2012078213136.
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