[특허]Method and apparatus for antisurge protection of a dynamic compressor

Method and apparatus for antisurge protection of a dynamic compressor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F04B-049/00 F03B-015/00
출원번호	US-0636803 (1975-12-01)
발명자 / 주소	Rutshtein A1exander (West Des Moines IA) Staroselsky Naum (West Des Moines IA)
출원인 / 주소	Compressor Controls Corporation (Des Moines IA 02)
인용정보	피인용 횟수 : 21 인용 특허 : 0

초록 ▼

A method and apparatus for protecting a dynamic compressor from surge. The method includes a first step for providing a simultaneous control of a smaller relief means and a main control member of a dynamic compressor or the driver thereof for changing the performance of the compressor. This combined action provides for the protection from surge and at the same time insures the invariability of the main control parameters of pressure, mass flow rate to the user, or the speed of rotation. The second step provides for controlling a larger relief means and provides for antisurge protection in those cases when the first step is not sufficient to protect the compressor from surge. Apparatus is also provided for automatically implementing the method.

대표청구항 ▼

A method of integrated antisurge control of a controlled object including a dynamic compressor having a discharge and a suction port, a driver for said compressor, a pipeline connecting the discharge port of the compressor to a user of compressed gas, a quick-acting on-off fluid relief means connected to said pipeline, and a control means for controlling a main controlled parameter, said parameter being one of (a) the mass flow rate of a gas to the user, (b) the discharge pressure of the compressor, (c) the suction pressure of the compressor and (d) the speed of rotation of the compressor, said method comprising: measuring one of the speed of pressure drop in the discharge port of the compressor and the speed of flow drop in the suction port of the compressor; simultaneously operating two different means, one of said two means being said fluid relief means, the other of said two means being a means operatively connected to the compressor for changing the flow rate of a gas through the compressor, said operation further comprising two simtultaneous actions, one of the actions being the full automatic opening of the fluid relief means when the rate of one of the pressure drop in the discharge port of the compressor and the flow drop in the suction port of the compressor and the flow drop in the suction port of the compressor reaches a magnitude corresponding to the beginning of surge, the time of said full opening of the fluid relief means being chosen so as to prevent the developing of surge as indicated by said one of the speed of pressure drop in the discharge port of the compressor and the speed of flow drop in the suction port of the compressor, and the other of said actions being acting on the means for changing the flow rate through the compressor to compensate for the decrease of the flow rate to the user caused by the outflow of the compressed gas through the opened relief means so as to insure the invariability of one of said main controlled parameters.

이 특허를 인용한 특허 (21)

Keyes ; IV Marion A. (Chagrin Falls OH) Shaffer Jeremiah J. (Euclid OH), Adaptive gain compressor surge control system.
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Keyes ; IV Marion A. (Chagrin Falls OH) Shaffer Jeremiah J. (Euclid OH), Adaptive gain compressor surge control system.
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Gaston John R. (Allegany NY), Apparatus and method for detecting surge in a turbo compressor.
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Heckel Bruce G. (Penn Township ; Westmoreland County PA), Compressor control system to improve turndown and reduce incidents of surging.
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Heckel Bruce G. (Trafford PA), Compressor control system to improve turndown and reduce incidents of surging.
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Andrew Paice CH, Control of a compressor unit.
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Agar Joram (Houston TX) Zanker Klaus J. (Four Marks GB2), Control of centrifugal compressors.
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Blotenberg Wilfried (Dinslaken DEX), Device for control of a turbocompressor.
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Mirsky Saul ; Fisher Paul F., Method and apparatus for improving antisurge control of turbocompressors by reducing control valve response time.
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Staroselsky Serge ; Batson Brett W. ; Mirsky Saul ; Shapiro Vadim, Method and apparatus for load balancing among multiple compressors.
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Albers Rolf (Oberhausen DEX) Blotenberg Wilfried (Oberhausen DEX), Method and apparatus for operating turbo compressor using analog and digital control schemes.
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Staroselsky Naum (Des Moines IA), Method and apparatus for preventing surge in a dynamic compressor.
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Staroselsky Naum (Des Moines IA) Mirsky Saul (West Des Moines IA) Reinke Paul A. (Des Moines IA), Method and apparatus for preventing surge in a dynamic compressor.
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Mirsky Saul ; Tolmatsky Michael L., Method and apparatus for preventing surge while taking a turbocompressor off-line from a parallel configuration.
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Staroselsky Naum (534 Waterbury Cir. Des Moines IA 50309), Method of automatic limitation for a controlled variable in a multivariable system.
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Kuper Klaus D. (Hamminkeln-Mehrhoog DEX) Albers Rolf (Bottrop DEX) Hillebrand Hans-Peter (Essen-Kettwig DEX) Hofmeister Wolfgang (Karlsruhe DEX) Ewe Kurt (Karlsruhe DEX) Tuis Luigi (Bochum DEX), Method of operating large turbo compressors.
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Knopp,John C., Methods for detecting surge in centrifugal compressors.
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Mirsky Saul ; Staroselsky Naum ; Batson Brett W. ; Narayanan Krishnan, Prevention of parameter excursions during process compressor surge in gas turbines.
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Koenig, Andreas C.; Beck, John M.; Coldwate, Joseph Kenneth, Reducing fault energy from an electric motor drive for a compressor.
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Venema Harry J. (Wheaton IL), Surge suppression apparatus for compressor-driven system.
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Gaston John R. (Allegany NY), System, apparatus, and method for detecting and controlling surge in a turbo compressor.
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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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Method and apparatus for antisurge protection of a dynamic compressor 원문보기

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Method and apparatus for antisurge protection of a dynamic compressor 원문보기

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