[특허]Portable nitrogen source

[미국특허] Portable nitrogen source 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25J-003/00
출원번호	US-0007205 (1993-01-22)
발명자 / 주소	Major Thomas O. (4105 Gray Denver CO 80212) Major Jr. Jack E. (1590 Harlan Lakewood CO 80214)
인용정보	피인용 횟수 : 40 인용 특허 : 0

초록 ▼

A nitrogen gas source for providing nitrogen gas at sequential work sites includes a channel for containing flowing gas at a pressure greater than ambient atmospheric pressure. A compressor provides compressed air at a pressure greater than atmospheric pressure to an up-stream end of the channel. A central portion of the channel includes a nitrogen module with a membrane wall portion for selectively constraining nitrogen within the channel while allowing other gases to escape from the channel through the membrane. A downstream portion of the channel includes a bifurcated channel section with a first bifurcated section passage having a first flow restrictor and second bifurcated section passage having a second flow restrictor. A two position valve allows flowing gas to be selectively directed through the first or second passage. The compressor, module and channel are mounted within a cabinet in fixed, functional relation and a handle is provided on the top of the cabinet to facilitate transport between work sites.

대표청구항 ▼

An apparatus for providing nitrogen gas at sequential work sites comprising: a channel with constraining walls for containing flowing nitrogen gas at a pressure greater than ambient atmospheric pressure, said channel having an upstream end and a down stream end; a compressor for providing compressed air at a pressure greater than atmospheric pressure to said up-stream end of said channel; a membrane wall portion of said channel between said upstream end and said downstream end, said constraining wall of said membrane wall portion comprising a membrane for selectively constraining nitrogen within said channel while allowing another gas to pass through said membrane and without said channel; a cabinet for containing said compressor and said channel in fixed, relative, functional relation; transport facilitation means for facilitating transport of said cabinet from a first of the work sites to a second of the work sites; a bifurcated channel section with a first and second bifurcated section passage; a first flow restrictor located within said first bifurcated section passage; a second flow restrictor located within said second bifurcated section passage; and, valve means for selectively directing a flow of gas through said first or said second passage.

이 특허를 인용한 특허 (40) 인용/피인용 타임라인 분석

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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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[미국특허] Portable nitrogen source 원문보기