[특허]Electronically commutated motor for driving a compressor

Electronically commutated motor for driving a compressor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25B-049/02
출원번호	US-0108328 (1993-08-18)
발명자 / 주소	Young Glen C. (Fort Wayne IN) Kiefer James R. (Fort Wayne IN)
출원인 / 주소	General Electric Company (Fort Wayne IN 02)
인용정보	피인용 횟수 : 97 인용 특허 : 0

초록 ▼

A system which drives a compressor of a refrigeration system at one or more preset speeds. The system includes a motor having a stationary assembly and a rotatable assembly. The stationary assembly includes windings adapted to be commutated in at least one preselected sequence. The rotatable assembly is in magnetic coupling relation to the stationary assembly and in driving relation to the compressor. The motor drives the compressor at a desired speed corresponding to a speed select signal representative of one of the preset speeds. The system further includes an application specific integrated circuit (ASIC) connected to the motor. The ASIC receives the speed select signal and is responsive to it for generating a commutation reference signal. The commutation reference signal in combination with the commutation signal generates a peak current demand signal and thereby cause the motor to operate at the desired speed.

대표청구항 ▼

A system for driving a compressor of a refrigeration system at one or more preset speeds, said system comprising: a motor having a stationary assembly and a rotatable assembly in magnetic coupling relation thereto, said stationary assembly including windings adapted to be commutated in at least one preselected sequence, said rotatable assembly being in driving relation to the compressor; means for generating a speed select signal representative of a selected one of the preset speeds, said motor driving the compressor at a desired speed corresponding to the speed select signal; an application specific integrated circuit (ASIC) connected between the speed select signal generating means and the motor, said ASIC including a circuit for generating a position signal representative of a position of the rotatable assembly, said ASIC further including means, receiving and responsive to the speed select signal and the position signal, for generating a commutation signal for controlling commutation of the motor thereby to operate the motor at the selected preset speed as represented by the speed select signal; and power switching devices responsive to the commutation signal for selectively connecting a power supply to the windings in the preselected sequence to produce an electromagnetic field for rotating the rotatable assembly.

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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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연합인증

Electronically commutated motor for driving a compressor 원문보기

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Electronically commutated motor for driving a compressor 원문보기

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이 특허를 인용한 특허 (97)

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