[특허]Device for measuring gas permeation

Device for measuring gas permeation 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01N-015/08 G01M-003/00
출원번호	US-0822366 (1992-01-17)
발명자 / 주소	Mayer Daniel W. (St. Paul MN) Neiss Robert L. (St. Michael MN)
출원인 / 주소	Modern Controls, Inc. (Minneapolis MN 02)
인용정보	피인용 횟수 : 17 인용 특허 : 0

초록 ▼

A system for measuring gas permeability of membranes under precise temperature and humidity controls, by the use of a gas detector made from a single metallic block, wherein the gas flow passages are virtually entirely confined within the metallic block, and a temperature control passage is provided in the block for stabilizing temperature of the block and the passages therein, at any predetermined temperature. The detector device also includes passages for forming into liquid reservoirs, for providing a controllable relative humidity by passing the test gases through the mubidifier passages.

대표청구항 ▼

Apparatus for measuring gas permeability of a membrane material, comprising: a. a material volume formed of a solid metal block having high thermal conductivity characteristics so as to maintain a substantially uniform temperature throughout all regions of its volume; b. at least one first cavity formed on an exterior surface of said material volume, said at least one first cavity being surrounded by a peripheral flat surface formed on said exterior surface; c. at least one removable cover sealably affixable against said peripheral flat surface, said at least one cover having a second cavity which is alignable with said at least one first cavity, including means for clamping said membrane material between said cavities; d. a plurality of passages formed in said material volume and said removable cover, including i) a first set of passages in the interior of said material volume, having a first opening through a surface of said material volume, and a second opening into one of said first cavities, and means for connecting said first opening to a first source of gas; ii) a second set of passages in the interior of said material volume, having a first opening through a surface of said material volume, and a second opening into said second cavity, and means for connecting said first opening to a second source of gas; iii) a third set of passages in the interior of said material volume, having a first opening into one of said first cavities, and a second opening through a surface of said material volume; iv) a fourth set of passages in the interior of said material volume, having a first opening into said second cavity, and a second opening through a surface of said material volume; e. means for connecting a gas detector to one of said second openings of said third set of passages or said fourth set of passages; f. a fifth set of passages in the interior of said material volume, said fifth set of passages having a first and second opening through a surface of said material volume; and g. means for connecting the first and second openings of said fifth set of passages to a source of heat transfer liquid whereby the heat transfer liquid passing through said fifth set of passages determines the temperature of the entire material volume and passages therein.

이 특허를 인용한 특허 (17)

Bujas,Roko S.; Dunkel,Ralf; Raggio,William A., Accelerated ultralow moisture permeation measurement.
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DeRoos, Fred L.; Mueller, Mark E.; Roehrig, Mark A., Fluid permeation testing apparatus employing mass spectrometry.
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DeRoos, Fred L.; Mueller, Mark E.; Roehrig, Mark A., Fluid permeation testing method employing mass spectrometry.
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Mayer, Daniel W.; Tuomela, Stephen D., Humidity control system for the sensing cell of an analyte permeation testing instrument.
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Lukas Paul ; Gagnon Daniel F. ; Johnson Daniel ; Farrar Christopher D. ; Knight John D. ; Gillis John J., Line leak detection.
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Jarvie, Ian F., Line leak detector and method of using same.
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Jarvie, Ian F., Line leak detector and method of using same.
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Bujas,Roko S.; Dunkel,Ralf, Method and apparatus for measuring ultralow permeation.
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Bujas, Roko S.; Dunkel, Ralf, Method and apparatus for measuring ultralow water permeation.
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Lewis,Nathan S.; Severin,Erik, Methods for remote characterization of an odor.
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Lewis,Nathan S.; Freund,Michael S.; Briglin,Shawn M.; Tokumaru,Phil; Martin,Charles R.; Mitchell,David T., Spatiotemporal and geometric optimization of sensor arrays for detecting analytes fluids.
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Lewis, Nathan S.; Freund, Michael S.; Briglin, Shawn S.; Tokumaru, Phillip; Martin, Charles R.; Mitchell, David, Spatiotemporal and geometric optimization of sensor arrays for detecting analytes in fluids.
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Mayer, Daniel W., System and method for generating a gas sample of known and adjustable relative humidity.
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Lewis, Nathan S.; Severin, Erik J.; Freund, Michael; Matzger, Adam J., Use of an array of polymeric sensors of varying thickness for detecting analytes in fluids.
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Lewis,Nathan S.; Severin,Erik J.; Freund,Michael; Matzger,Adam J., Use of an array of polymeric sensors of varying thickness for detecting analytes in fluids.
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Nathan S. Lewis ; Erik J. Severin ; Michael Freund ; Adam J. Matzger, Use of an array of polymeric sensors of varying thickness for detecting analytes in fluids.
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Lewis, Nathan S.; Freund, Michael S.; Briglin, Shawn M., Use of spatiotemporal response behavior in sensor arrays to detect analytes in fluids.
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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

Device for measuring gas permeation 원문보기

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Device for measuring gas permeation 원문보기

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이 특허를 인용한 특허 (17)

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