FR2465223A1 - Appareil d'analyse de gaz - Google Patents
Appareil d'analyse de gaz Download PDFInfo
- Publication number
- FR2465223A1 FR2465223A1 FR8019744A FR8019744A FR2465223A1 FR 2465223 A1 FR2465223 A1 FR 2465223A1 FR 8019744 A FR8019744 A FR 8019744A FR 8019744 A FR8019744 A FR 8019744A FR 2465223 A1 FR2465223 A1 FR 2465223A1
- Authority
- FR
- France
- Prior art keywords
- bridge
- gas
- wires
- resistant
- gas analysis
- 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.)
- Granted
Links
- 238000004868 gas analysis Methods 0.000 title claims description 14
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 230000000704 physical effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 33
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000001307 helium Substances 0.000 description 4
- 229910052734 helium Inorganic materials 0.000 description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000012886 linear function Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
-
- 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
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Immunology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7906868A NL7906868A (nl) | 1979-09-14 | 1979-09-14 | Gasanalysator. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2465223A1 true FR2465223A1 (fr) | 1981-03-20 |
| FR2465223B1 FR2465223B1 (enExample) | 1985-02-01 |
Family
ID=19833844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8019744A Granted FR2465223A1 (fr) | 1979-09-14 | 1980-09-12 | Appareil d'analyse de gaz |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4361802A (enExample) |
| JP (1) | JPS5647748A (enExample) |
| DE (1) | DE3034108A1 (enExample) |
| FR (1) | FR2465223A1 (enExample) |
| GB (1) | GB2059069B (enExample) |
| NL (1) | NL7906868A (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4572900A (en) * | 1984-04-25 | 1986-02-25 | The United States Of America As Represented By The Secretary Of The Navy | Organic semiconductor vapor sensing method |
| FR2611907B1 (fr) * | 1987-03-05 | 1989-06-16 | Tolectromed Sarl | Identificateur de fluides medicaux |
| JPS63271992A (ja) * | 1987-04-28 | 1988-11-09 | Sharp Corp | 半導体レ−ザ素子 |
| US4893495A (en) * | 1988-10-03 | 1990-01-16 | Panametrics, Inc. | Oxygen sensing method and apparatus |
| DE3837951C3 (de) * | 1988-11-09 | 1995-06-14 | Winter Gaswarnanlagen Gmbh U | Vorrichtung zur Konzentrationsmessung eines unerwünschten Gases in Luft |
| GB8909440D0 (en) * | 1989-04-25 | 1989-06-14 | Brewing Res Found | Measurement of alcohol |
| DE9109034U1 (de) * | 1991-07-22 | 1992-08-27 | Siemens AG, 8000 München | Vorrichtung zur Analyse von Gasen nach dem Wärmeleitfähigkeitsverfahren |
| US5448071A (en) * | 1993-04-16 | 1995-09-05 | Bruce W. McCaul | Gas spectroscopy |
| US5625189A (en) * | 1993-04-16 | 1997-04-29 | Bruce W. McCaul | Gas spectroscopy |
| WO1995004995A1 (en) * | 1993-08-10 | 1995-02-16 | Electric Power Research Institute, Inc. | Dissolved gas sensing in a fluid under pressure |
| US5494826A (en) * | 1994-04-18 | 1996-02-27 | Gas Research Institute, Inc. | Microcalorimeter sensor for the measurement of heat content of natural gas |
| US5621161A (en) * | 1995-04-11 | 1997-04-15 | Leyse; Robert H. | Method for monitoring for the presence of dissolved gas in a fluid under pressure |
| DE10121610A1 (de) * | 2001-05-04 | 2002-11-07 | Abb Research Ltd | Detektor |
| US20090291199A1 (en) * | 2008-05-22 | 2009-11-26 | Paul Andrew Chludzinski | Apparatus and methods of control for coolant recycling |
| US8878598B2 (en) | 2010-12-28 | 2014-11-04 | British Virgin Islands Central Digital Inc. | Sensing module |
| TW201227753A (en) * | 2010-12-28 | 2012-07-01 | British Virgin Islands Central Digital Inc | Sensor temperature compensation circuit and method thereof |
| DE102014016712B4 (de) * | 2014-11-13 | 2022-12-01 | Dräger Safety AG & Co. KGaA | Transportables Chipmesssystem und Verfahren zum Betrieb eines transportablen Chipmesssystems |
| JP6658862B2 (ja) * | 2016-03-07 | 2020-03-04 | 株式会社島津製作所 | 熱伝導度検出器 |
| DE102016205776A1 (de) * | 2016-04-07 | 2017-10-12 | Robert Bosch Gmbh | Kalorimetrische Bestimmung einer Gaskonzentration |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2565230A (en) * | 1946-01-26 | 1951-08-21 | William O Hebler | Gas analysis apparatus |
| US3470355A (en) | 1966-07-29 | 1969-09-30 | Perkin Elmer Corp | Filament protection for hot wire detectors |
| GB1372695A (en) | 1971-12-07 | 1974-11-06 | Pye Ltd | Thermal conductivity detector apparatus |
| US3868846A (en) * | 1973-07-02 | 1975-03-04 | Ford Motor Co | Circuit for converting a temperature dependent input signal to a temperature independent output signal |
| US3913379A (en) * | 1973-10-18 | 1975-10-21 | Tibor Rusz | Dynamic gas analyzer |
| DE2627916C3 (de) * | 1976-06-22 | 1978-12-21 | Auergesellschaft Gmbh, 1000 Berlin | Schaltungsanordnung für eine Meßbrücke eines Gasspürgerätes |
| US4057755A (en) * | 1976-09-10 | 1977-11-08 | Bodenseewerk Perkin-Elmer & Co., Gmbh | Thermal conductivity detector circuit |
| NO148689C (no) | 1976-12-20 | 1983-11-30 | Bronson M Potter | Detektorapparat for aa detektere naervaer av en ikke-blandbar fremmedvaeske paa overflaten av en annen vaeske |
-
1979
- 1979-09-14 NL NL7906868A patent/NL7906868A/nl not_active Application Discontinuation
-
1980
- 1980-09-09 US US06/185,541 patent/US4361802A/en not_active Expired - Lifetime
- 1980-09-11 DE DE19803034108 patent/DE3034108A1/de not_active Ceased
- 1980-09-12 GB GB8029493A patent/GB2059069B/en not_active Expired
- 1980-09-12 JP JP12617980A patent/JPS5647748A/ja active Pending
- 1980-09-12 FR FR8019744A patent/FR2465223A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5647748A (en) | 1981-04-30 |
| FR2465223B1 (enExample) | 1985-02-01 |
| GB2059069B (en) | 1983-11-16 |
| GB2059069A (en) | 1981-04-15 |
| NL7906868A (nl) | 1981-03-17 |
| DE3034108A1 (de) | 1981-04-02 |
| US4361802A (en) | 1982-11-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |