[특허]Starter/generator system having multivoltage generation capability

Starter/generator system having multivoltage generation capability 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02N-011/04 H02P-006/00
출원번호	US-0185661 (1994-01-21)
발명자 / 주소	Latos Thomas S. (Huntley IL) Hernden Michael R. (Rockford IL)
출원인 / 주소	Sundstrand Corporation (Rockford IL 02)
인용정보	피인용 횟수 : 86 인용 특허 : 0

초록 ▼

An electric power starter/generator, for converting electrical energy from a remote dc electrical power source to mechanical energy to start a turbine engine in the start mode, and for converting mechanical energy from the turbine engine to electrical energy to power utilization equipment in the generate mode, comprises a shaft for transferring rotational mechanical energy between the electric power starter/generator and the turbine engine, a permanent magnet synchronous machine having a rotor driveably coupled to the shaft and a stator. The permanent magnet synchronous machine produces polyphase ac electric power when driven as a generator, and rotational mechanical energy when driven as a motor. A bidirectional ac-dc power converter having a dc and an ac input/output produces variable frequency polyphase ac excitation from the dc electrical energy at the dc input/output to drive the permanent magnet synchronous machine as a brushless dc motor to generate rotational mechanical energy to start the turbine engine during the start mode. The power converter alternately produces dc electrical energy from the polyphase ac electrical energy generated by the permanent magnet synchronous machine when driven by the turbine engine during the generate mode.

대표청구항 ▼

An electric power starter/generator for converting electrical energy from a remote dc electrical power source to mechanical energy to start a turbine engine in the start mode, and for converting mechanical energy from the turbine engine to electrical energy to power utilization equipment in the generate mode, comprising: a mechanical energy coupling means for transferring rotational mechanical energy between said electric power starter/generator and the turbine engine; a permanent magnet synchronous machine having a rotor driveably coupled to said mechanical energy coupling means and a stator; and a bidirectional ac-dc power converter having a dc input/output and an ac input/output, said dc input/output coupled to the remote dc source, said ac input/output coupled to said stator of said permanent magnet synchronous machine, said power converter producing variable frequency polyphase ac excitation at said ac input/output from the dc electrical energy at said dc input/output to drive said permanent magnet synchronous machine as a brushless dc motor to generate rotational mechanical energy to start the turbine engine via said mechanical energy coupling means during the start mode, said power converter alternately producing dc electrical energy at said dc input/output from polyphase ac electrical energy at said ac input/output generated by said permanent magnet synchronous machine when driven by the turbine engine via said mechanical energy coupling means during the generate mode.

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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

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
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연합인증

Starter/generator system having multivoltage generation capability 원문보기

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Starter/generator system having multivoltage generation capability 원문보기

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연구과제 타임라인

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이 특허를 인용한 특허 (86)

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