DE2966091D1 - Gas analyzer and gaz analyzing method - Google Patents
Gas analyzer and gaz analyzing methodInfo
- Publication number
- DE2966091D1 DE2966091D1 DE7979901353T DE2966091T DE2966091D1 DE 2966091 D1 DE2966091 D1 DE 2966091D1 DE 7979901353 T DE7979901353 T DE 7979901353T DE 2966091 T DE2966091 T DE 2966091T DE 2966091 D1 DE2966091 D1 DE 2966091D1
- Authority
- DE
- Germany
- Prior art keywords
- electrical signal
- gas
- detector
- infrared energy
- analyzing method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000000203 mixture Substances 0.000 abstract 2
- 239000000470 constituent Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/950,327 US4200791A (en) | 1978-10-11 | 1978-10-11 | Gas analyzer and gas analyzing method |
PCT/US1979/000803 WO1980000748A1 (en) | 1978-10-11 | 1979-10-01 | Gas analyzer and gaz analyzing method |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2966091D1 true DE2966091D1 (de) | 1983-09-29 |
Family
ID=25490281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE7979901353T Expired DE2966091D1 (de) | 1978-10-11 | 1979-10-01 | Gas analyzer and gaz analyzing method |
Country Status (7)
Country | Link |
---|---|
US (1) | US4200791A (de) |
EP (1) | EP0022789B1 (de) |
JP (1) | JPS6319812B2 (de) |
AT (1) | ATE4518T1 (de) |
CA (1) | CA1119427A (de) |
DE (1) | DE2966091D1 (de) |
WO (1) | WO1980000748A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4499377A (en) * | 1982-09-29 | 1985-02-12 | Acme Engineering Products Ltd. | Detection and control system based on ambient air quality |
US4678914A (en) * | 1984-04-30 | 1987-07-07 | Environmental Tectonics Corporation | Digital IR gas analyzer |
DE3544015A1 (de) * | 1985-12-13 | 1987-06-19 | Leybold Heraeus Gmbh & Co Kg | Gasanalysevorrichtung |
DE3608122A1 (de) * | 1986-03-12 | 1987-09-17 | Pierburg Gmbh & Co Kg | Messvorrichtung zur analyse der abgaszusammensetzung von brennkraftmaschinen und verfahren zum betreiben einer solchen vorrichtung |
US4902896A (en) * | 1987-05-08 | 1990-02-20 | Mine Safety Appliances Company | Infrared fluid analyzer |
US4899053A (en) * | 1987-10-21 | 1990-02-06 | Criticare Systems, Inc. | Solid state non-dispersive IR analyzer using electrical current-modulated microsources |
US5585635A (en) * | 1994-09-26 | 1996-12-17 | Marquette Electronics, Inc. | Infrared gas analyzer and method |
US5731581A (en) * | 1995-03-13 | 1998-03-24 | Ohmeda Inc. | Apparatus for automatic identification of gas samples |
US5902311A (en) * | 1995-06-15 | 1999-05-11 | Perclose, Inc. | Low profile intraluminal suturing device and method |
US5714759A (en) * | 1996-02-23 | 1998-02-03 | Ohmeda Inc. | Optical system with an extended, imaged source |
US5731583A (en) * | 1996-02-23 | 1998-03-24 | Ohmeda Inc. | Folded optical path gas analyzer with cylindrical chopper |
DE10316514A1 (de) * | 2002-07-24 | 2004-02-05 | Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG | Vorrichtung zur IR-spektrometrischen Analyse eines festen, flüssigen oder gasförmigen Mediums |
US7606053B2 (en) * | 2006-04-06 | 2009-10-20 | Ford Global Technologies, Llc | DC-to-DC converter and electric motor drive system using the same |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS444398Y1 (de) * | 1968-07-25 | 1969-02-18 | ||
JPS5081578A (de) * | 1973-11-21 | 1975-07-02 | ||
US3926522A (en) * | 1973-11-27 | 1975-12-16 | Us Navy | Far-infrared radiant intensity meter |
US4013260A (en) * | 1974-09-27 | 1977-03-22 | Andros, Incorporated | Gas analyzer |
US3953734A (en) * | 1974-11-22 | 1976-04-27 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Nulling device for detection of trace gases by NDIR absorption |
JPS5165687A (ja) * | 1974-12-03 | 1976-06-07 | Hitachi Shipbuilding Eng Co | Kamikoseisokuteisochi |
JPS594654B2 (ja) * | 1975-04-11 | 1984-01-31 | ベックマン・インストルメンツ・インコ−ポレ−テツド | キユウコウコウドブンセキソウチ |
DE2614181C3 (de) * | 1976-04-02 | 1981-08-20 | Leybold-Heraeus Gmbh, 5000 Koeln | Verfahren zur Messung des optischen Absorptionsvermögens von Proben und Vorrichtung zur Durchführung des Verfahrens |
-
1978
- 1978-10-11 US US05/950,327 patent/US4200791A/en not_active Expired - Lifetime
-
1979
- 1979-10-01 DE DE7979901353T patent/DE2966091D1/de not_active Expired
- 1979-10-01 JP JP54501731A patent/JPS6319812B2/ja not_active Expired
- 1979-10-01 AT AT79901353T patent/ATE4518T1/de not_active IP Right Cessation
- 1979-10-01 WO PCT/US1979/000803 patent/WO1980000748A1/en unknown
- 1979-10-04 CA CA000337035A patent/CA1119427A/en not_active Expired
-
1980
- 1980-04-23 EP EP79901353A patent/EP0022789B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS55500794A (de) | 1980-10-16 |
US4200791A (en) | 1980-04-29 |
EP0022789B1 (de) | 1983-08-24 |
CA1119427A (en) | 1982-03-09 |
ATE4518T1 (de) | 1983-09-15 |
JPS6319812B2 (de) | 1988-04-25 |
WO1980000748A1 (en) | 1980-04-17 |
EP0022789A1 (de) | 1981-01-28 |
EP0022789A4 (de) | 1981-02-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |