[특허]Capacity control system for pressure swing adsorption apparatus and associated method

Capacity control system for pressure swing adsorption apparatus and associated method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-053/047
출원번호	US-0232681 (1994-04-25)
발명자 / 주소	McCombs Norman R. (Tonawanda NY)
출원인 / 주소	AirSep Corporation (Buffalo NY 02)
인용정보	피인용 횟수 : 96 인용 특허 : 0

초록 ▼

A pressure swing adsorption apparatus including a compressor for pumping a flow of a gaseous mixture through an adsorption medium utilizes a capacity control system by which the operating capacity of the compressor can be preselected. The capacity control system is disposed upstream, i.e. on the suction side of, the compressor for limiting, when desired, the feed stream drawn into the compressor. A reduction in the operating capacity of the apparatus by way of the control system results in a corresponding reduction in the power consumption and noise levels of the compressor. The system is particularly advantageous when incorporated in an oxygen-generating unit intended for use by a patient requiring oxygen therapy in his home in that the capacity of a high capacity unit can be reduced, when appropriate, by a distributor or technician prior to use of the unit by the patient so that the patient receives the oxygen-rich product stream that he has been prescribed to receive and to reduce operating costs of the unit. The method of the invention includes the steps performed by the control system.

대표청구항 ▼

A method for regulating the power consumption of a pressure swing adsorption apparatus including adsorption components adapted to fractionate at least one constituent from a gaseous mixture by pressure swing adsorption and including a compressor for pumping a feed stream of the gaseous mixture through the apparatus wherein the compressor includes a suction port through which the feed stream is drawn into the compressor and a discharge port through which the feed stream is pumped from the compressor and into the adsorption components of the apparatus and wherein a restriction in the amount of the feed stream permitted to be drawn into the compressor suction port effects a decrease in the power requirements of the compressor, the method comprising the steps of: controlling the quantity of the feed stream drawn into the suction port of the compressor between one non-zero level at which the quantity of the feed stream drawn into the compressor suction port is substantially unrestricted and another non-zero level at which the quantity of the feed stream drawn into the compressor suction port is appreciably restricted to thereby control the compressor power consumption.

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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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Capacity control system for pressure swing adsorption apparatus and associated method 원문보기

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Capacity control system for pressure swing adsorption apparatus and associated method 원문보기

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