[특허]Engine driven generator

Engine driven generator 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02N-011/04 B60L-011/06
출원번호	US-0339990 (1989-04-18)
우선권정보	JP-0094553 (1988-04-19)
발명자 / 주소	Takakado Yuzo (Aichi JPX)
출원인 / 주소	Shinko Electric Co., Ltd. (Tokyo JPX 03)
인용정보	피인용 횟수 : 23 인용 특허 : 0

초록 ▼

An engine driven generator having an engine, a three-phase synchronous generator to be driven by the engine, a direct current power supply for actuating the engine, a direct current/alternating current power supply converter for converting a direct current power of the direct current power supply to an alternating current power and supplying the alternating current power to the three-phase synchronous generator: (1) characterized in further comprising a full-wave rectifier for rectifying an output of the three-phase generator and supplying the thus rectified output to the direct current/alternating current power converter; a switching unit for switching output terminals of the direct current/alternating current power converter to terminals of an outer device or output terminals of the synchronous generator; a rotor position detector for detecting a position of a rotor of the synchronous generator; and (2) characterized in that during the period when the three-phase synchronous generator performs the power generating operation after completing the actuation of the engine, a pair of positive and negative first single-phase switching elements are subjected to successive ON/OFF control operation while one pair of two-phase switching elements and the other pair of two-phase switching elements are alternated for each half of the time and subjected to PWM control operation so that output terminals corresponding to the two-phase switching elements are short-circuited with each other.

대표청구항 ▼

In an engine driven generator unit comprising: an engine; a three-phase synchronous generator, and means for permitting said synchronous generator to be driven by the engine to generate electric power; a direct current power supply for providing direct current power for use in actuating the engine; inverter means for converting the direct current provided by the direct current power supply into an alternating current and supplying the alternating current to the three-phase synchronous generator so that the three-phase synchronous generator performs a motor driving operation to actuate the engine, the inverter means having a pair of input terminals and a plurality of switching elements connected with each other in pairs which shunt said input terminals; the improvement comprising control means operative while the three-phase synchronous generator effects power generation for alternatingly and oppositely switching each of a first said pair of switching elements respectively ON and OFF while simultaneously applying PWM control signals of equal time duration in alternating succession to second and third said pairs of switching elements, said inverter means having a plurality of output terminals, said second pair of switching elements being connected to each other at one of said output terminals, said third pair of switching elements being connected to each other at one of said output terminals, and means operable simultaneously with said control means for connecting the output terminals corresponding to the second and third pairs of switching elements to each other.

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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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연합인증

Engine driven generator 원문보기

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이 특허를 인용한 특허 (23)

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