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특허 상세정보

Method and system for facilitating no-break power transfer

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H02J-003/08    H02J-003/04    H02J-003/42    H02J-003/40   
미국특허분류(USC) 307/087; 307/068; 307/073
출원번호 US-0654768 (2003-09-04)
등록번호 US-7417337 (2008-08-26)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Carlson, Gaskey & Olds
인용정보 피인용 횟수 : 6  인용 특허 : 34
초록

An improved method and system for facilitating no-break power transfer between an APU and a main engine includes determining a required APU speed for conducting power transfer based on various APU operating parameters, such as engine speed, fuel, environmental temperature, etc. The APU controller then adjusts the APU speed up or down to the required APU speed. Communication between an aircraft computer and the APU controller may also be provided so that operational data can be exchanged to adjust the electrical load of the aircraft below a maximum load t...

대표
청구항

What is claimed is: 1. A method of facilitating power transfer between a main engine and an auxiliary power unit (APU), comprising: obtaining a main engine generator frequency; determining a target APU speed that will generate an APU generator frequency that is the same as the main engine generator frequency; adjusting an actual APU speed to the target APU speed; conducting the power transfer between the main engine and the APU; determining an APU rate limit, wherein the step of adjusting the actual APU speed includes keeping an adjustment rate below th...

이 특허에 인용된 특허 (34)

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