IT1239900B - Metodo per determinare la fine della vita utile di un purificatore di gas e relativa apparecchiatura - Google Patents
Metodo per determinare la fine della vita utile di un purificatore di gas e relativa apparecchiaturaInfo
- Publication number
- IT1239900B IT1239900B IT19904A IT1990490A IT1239900B IT 1239900 B IT1239900 B IT 1239900B IT 19904 A IT19904 A IT 19904A IT 1990490 A IT1990490 A IT 1990490A IT 1239900 B IT1239900 B IT 1239900B
- Authority
- IT
- Italy
- Prior art keywords
- determining
- useful life
- related equipment
- gas purifier
- purifier
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/043—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a granular material
Landscapes
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Gas Separation By Absorption (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Treating Waste Gases (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT19904A IT1239900B (it) | 1990-03-30 | 1990-03-30 | Metodo per determinare la fine della vita utile di un purificatore di gas e relativa apparecchiatura |
US07/665,977 US5172066A (en) | 1990-03-30 | 1991-03-07 | Method for determining the end of useful life of a gas purifier and apparatus therefore |
DE69116712T DE69116712T2 (de) | 1990-03-30 | 1991-03-27 | Methode und Apparat zur Bestimmung des Endes der Lebenszeit eines Gasreinigers |
EP91830120A EP0449791B1 (en) | 1990-03-30 | 1991-03-27 | A method for determining the end of useful life of a gas purifier and apparatus therefor |
JP3089190A JP2951027B2 (ja) | 1990-03-30 | 1991-03-29 | ガスピュリファイヤーが使用寿命に達したことを判断するための方法及びそれに使用する装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT19904A IT1239900B (it) | 1990-03-30 | 1990-03-30 | Metodo per determinare la fine della vita utile di un purificatore di gas e relativa apparecchiatura |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9019904A0 IT9019904A0 (it) | 1990-03-30 |
IT9019904A1 IT9019904A1 (it) | 1991-09-30 |
IT1239900B true IT1239900B (it) | 1993-11-23 |
Family
ID=11162219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19904A IT1239900B (it) | 1990-03-30 | 1990-03-30 | Metodo per determinare la fine della vita utile di un purificatore di gas e relativa apparecchiatura |
Country Status (5)
Country | Link |
---|---|
US (1) | US5172066A (it) |
EP (1) | EP0449791B1 (it) |
JP (1) | JP2951027B2 (it) |
DE (1) | DE69116712T2 (it) |
IT (1) | IT1239900B (it) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105498373A (zh) * | 2015-11-25 | 2016-04-20 | 北京有色金属研究总院 | 气体纯化器使用寿命的监测方法及其装置 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1270875B (it) * | 1993-04-29 | 1997-05-13 | Getters Spa | Procedimento di purificazione dell'idrogeno e purificatore relativo |
US5260585A (en) * | 1992-06-12 | 1993-11-09 | Novapure Corporation | Endpoint and/or back diffusion gas impurity detector, and method of using the same |
US5334237A (en) * | 1993-02-26 | 1994-08-02 | Saes Pure Gas, Inc. | Method and apparatus for predicting end-of-life of a consumable in a fluid purification system |
US6436352B1 (en) | 1993-04-29 | 2002-08-20 | Saes Getter, S.P.A. | Hydrogen purification |
US6142742A (en) * | 1994-10-31 | 2000-11-07 | Saes Pure Gas, Inc. | Getter pump module and system |
US6068685A (en) * | 1997-10-15 | 2000-05-30 | Saes Pure Gas, Inc. | Semiconductor manufacturing system with getter safety device |
WO1999019050A1 (en) | 1997-10-15 | 1999-04-22 | Saes Pure Gas, Inc. | Gas purification system with safety device and method for purifying gases |
FR2778118B1 (fr) * | 1998-04-29 | 2000-06-02 | Inst Francais Du Petrole | Procede et dispositif de regeneration locale et controlee d'un filtre a particules |
US6280633B1 (en) | 1999-12-01 | 2001-08-28 | Fantom Technologies Inc. | Ozone sensor and method for use of same in water purification system |
US6383259B1 (en) | 2000-08-30 | 2002-05-07 | C&M Incorporated | Two section gas purifier with Joule-Thompson cooling device |
JP3763455B2 (ja) * | 2001-01-26 | 2006-04-05 | オムロン株式会社 | ケミカルフィルタの交換時期判定方法 |
US6889144B2 (en) * | 2003-06-16 | 2005-05-03 | Praxair Technology, Inc. | Life prediction for gas purifiers |
US20050069475A1 (en) * | 2003-09-30 | 2005-03-31 | Hage Daniel B. | System and process for reducing impurities |
US7848661B2 (en) * | 2005-03-15 | 2010-12-07 | Emcore Corporation | Directly modulated laser optical transmission system with phase modulation |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2753247A (en) * | 1950-10-27 | 1956-07-03 | Standard Oil Co | Electrical apparatus for gas and vapor testing |
US3805150A (en) * | 1970-08-17 | 1974-04-16 | Ade Corp | Environment immune high precision capacitive gauging system |
JPS5467497A (en) * | 1977-11-09 | 1979-05-30 | Nippon Soken | Gas detector |
US4400971A (en) * | 1981-05-29 | 1983-08-30 | Electric Power Research Institute, Inc. | Method and means for measuring particulate matter on a filter |
US4472356A (en) * | 1982-01-27 | 1984-09-18 | The United States Of America As Represented By The Secretary Of The Air Force | Gas contamination detection device |
US4656832A (en) * | 1982-09-30 | 1987-04-14 | Nippondenso Co., Ltd. | Detector for particulate density and filter with detector for particulate density |
DE3304548A1 (de) * | 1983-02-10 | 1984-08-16 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und vorrichtung zur messung des gehalts an leitfaehigen partikeln in gasen |
DE3436800A1 (de) * | 1984-10-06 | 1986-04-10 | Kernforschungsanlage Jülich GmbH, 5170 Jülich | Vorrichtung zur erfassung von ausfilterbaren gaskontaminationen |
US4674320A (en) * | 1985-09-30 | 1987-06-23 | The United States Of America As Represented By The United States Department Of Energy | Chemoresistive gas sensor |
ATE37608T1 (de) * | 1986-01-18 | 1988-10-15 | Honeywell Elac Nautik Gmbh | Verfahren und vorrichtung zum feststellen der beladung von aktivkohlefiltern. |
DE3629712A1 (de) * | 1986-09-01 | 1988-03-03 | Kunz Gerhard K | Verfahren und schaltungsanordnung zur messung des beladungsgrades eines ionenaustauschfilters |
US4911892A (en) * | 1987-02-24 | 1990-03-27 | American Intell-Sensors Corporation | Apparatus for simultaneous detection of target gases |
US5008628A (en) * | 1989-06-05 | 1991-04-16 | Wahlco, Inc. | Measurement of electrical resistivity of particulate entrained in a gas stream |
-
1990
- 1990-03-30 IT IT19904A patent/IT1239900B/it active IP Right Grant
-
1991
- 1991-03-07 US US07/665,977 patent/US5172066A/en not_active Expired - Lifetime
- 1991-03-27 DE DE69116712T patent/DE69116712T2/de not_active Expired - Fee Related
- 1991-03-27 EP EP91830120A patent/EP0449791B1/en not_active Expired - Lifetime
- 1991-03-29 JP JP3089190A patent/JP2951027B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105498373A (zh) * | 2015-11-25 | 2016-04-20 | 北京有色金属研究总院 | 气体纯化器使用寿命的监测方法及其装置 |
Also Published As
Publication number | Publication date |
---|---|
DE69116712D1 (de) | 1996-03-14 |
EP0449791A3 (en) | 1993-02-03 |
JPH05209908A (ja) | 1993-08-20 |
DE69116712T2 (de) | 1996-05-30 |
EP0449791A2 (en) | 1991-10-02 |
JP2951027B2 (ja) | 1999-09-20 |
US5172066A (en) | 1992-12-15 |
IT9019904A0 (it) | 1990-03-30 |
EP0449791B1 (en) | 1996-01-31 |
IT9019904A1 (it) | 1991-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970226 |