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특허 상세정보

Process for producing oxygen-enriched gas

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-053/22   
미국특허분류(USC) 55/16 ; 55/21 ; 55/68
출원번호 US-0527738 (1974-11-27)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 51  인용 특허 : 0
초록

Membrane permeation processes to produce oxygen-enriched gas from atmospheric air are improved by feeding the air to membrane cells divided into two groups, independently withdrawing the permeate output from the two groups of cells into two conduits containing restrictions, and referencing the pressure of one output against the other. A subsequent imbalance of pressure between the two permeate outputs indicates a membrane leakage in one of the two groups of cells.

대표
청구항

In a membrane permeation process to produce oxygen enriched gas from atmospheric air comprising delivering a flow of atmospheric air to an array of series flow, selectively permeable membrane cells having a greater permeability of oxygen relative to nitrogen and maintaining a pressure differential across said array to produce an oxygen enriched permeate therethrough, the improvement for controlling and detecting membrane failure comprising: i. dividing the selectively permeable membrane into two groups of cells; ii. independently collecting the oxygen-en...

이 특허를 인용한 특허 피인용횟수: 51

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