[특허]Engine starting system utilizing multiple controlled acceleration rates

Engine starting system utilizing multiple controlled acceleration rates 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02P-001/46
출원번호	US-0063166 (1993-05-12)
발명자 / 주소	Carr Kenneth R. (Redmond WA) Rozman Gregory I. (Rockford IL) Markunas Albert L. (Roscoe IL) Hanson Michael J. (Loves Park IL) Weber Leland E. (Rockford IL) Shippling James A. (Erie PA) McArthur Malco
출원인 / 주소	Sundstrand Corporation (Rockford IL 02)
인용정보	피인용 횟수 : 85 인용 특허 : 0

초록 ▼

A control for operating an electromagnetic machine in a starting mode of operation wherein the main armature winding of the machine receives electrical power from a controllable power source during the starting mode of operation, comprises a circuit for detecting a magnitude of a parameter of power applied to the main armature winding relative to a stationary frame of reference, a position sensor for detecting rotor position of the electromagnetic machine, a converter responsive to angular position indication for converting the detected parameter magnitude into field and torque producing components relative to a rotating frame of reference, and a circuit responsive to the field and torque producing components for controlling the power source during operation in the starting mode. This control includes an igniter for igniting a prime mover. Further, the control is operable during a first phase prior to ignition of the prime mover for causing the electromagnetic machine to provide motive power to the prime mover so as to accelerate the prime mover at a first predetermined rate, is operable during a second phase subsequent to the first phase so as to accelerate the prime mover at a second predetermined rate, is operable during this second phase for providing fuel to the prime mover to facilitate ignition thereof, and is operable during a third phase subsequent to the ignition of the prime mover so as to accelerate the prime mover at a third predetermined rate to a self-sustaining speed.

대표청구항 ▼

A control for operating an electromagnetic machine in a starting mode of operation wherein the electromagnetic machine includes a motive power shaft coupled to a rotor, a permanent magnet generator (PMG) having a set of armature phase windings at which a set of PMG phase outputs are produced and a main generator portion having a main armature winding, wherein the main armature winding receives electrical power from a controllable power source during the starting mode of operation, comprising: means for detecting a magnitude of a parameter of power applied to the main armature winding relative to a stationary frame of reference; a position sensor for detecting rotor position of the electromagnetic machine including a shaft pulse encoder which develops a cycle pulse once per revolution of the motive power shaft, means coupled to the PMG armature phase windings for deriving a number of interval pulses per revolution of the motive power shaft from the PMG phase outputs, means coupled to the developing means for measuring time periods between adjacent interval pulses and means coupled to the measuring means and responsive to the cycle pulse for transforming the measured time periods into an indication of the angular position of the motive power shaft; a converter coupled to the position sensor and responsive to the angular position indication for converting the detected parameter magnitude into field and torque producing components relative to a rotating frame of reference; and means coupled between the converter and the power source and responsive to the field and torque producing components for controlling the power source during operation in the starting mode such that the rotor is rotated.

이 특허를 인용한 특허 (85)

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Xu, Mingzhou; Pearson, Wayne T.; Anghel, Cristian E.; Morcov, Nicolae, Gas turbine engine starter generator with multiple windings on each exciter stator pole.
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Xu, Mingzhou; Pearson, Wayne T.; Anghel, Cristian E.; Lengel, Jim, Gas turbine engine starter generator with switchable exciter stator windings.
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Xu, Mingzhou; Pearson, Wayne T.; Yao, Yuan; Lengel, Jim; Anghel, Cristian E., Gas turbine engine starter-generator exciter starting system and method including a capacitance circuit element.
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Rozman, Gregory I.; Gieras, Jacek F.; Moss, Steven J., Generator architecture with PMG exciter and main field rotating power converter.
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Bing Cheng, Method and apparatus for controlling a high-speed AC permanent magnet synchronous motor coupled to an industrial turbo engine.
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Bing Cheng, Method and apparatus for controlling a high-speed AC permanent magnet synchronous motor coupled to an industrial turbo engine.
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Cheng Bing, Method and apparatus for controlling a high-speed AC permanent magnet synchronous motor coupled to an industrial turbo engine.
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DeVries, Douglas F.; Boyle, David; Holmes, Michael; Williams, Malcolm, Portable ventilator system.
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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 starting system utilizing multiple controlled acceleration rates 원문보기

초록 ▼

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이 특허를 인용한 특허 (85)

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연합인증

Engine starting system utilizing multiple controlled acceleration rates 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

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이 특허를 인용한 특허 (85)

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