NL8600088A - Inrichting voor het meten van de warmtegeleiding van gassen. - Google Patents
Inrichting voor het meten van de warmtegeleiding van gassen. Download PDFInfo
- Publication number
- NL8600088A NL8600088A NL8600088A NL8600088A NL8600088A NL 8600088 A NL8600088 A NL 8600088A NL 8600088 A NL8600088 A NL 8600088A NL 8600088 A NL8600088 A NL 8600088A NL 8600088 A NL8600088 A NL 8600088A
- Authority
- NL
- Netherlands
- Prior art keywords
- measuring
- resistors
- measuring cell
- resistor
- window
- 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
- G01N27/14—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
- G01N27/185—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 using a catharometer
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853502440 DE3502440A1 (de) | 1985-01-25 | 1985-01-25 | Anordnung zur messung der waermeleitfaehigkeit von gasen |
DE3502440 | 1985-01-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8600088A true NL8600088A (nl) | 1986-08-18 |
Family
ID=6260733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8600088A NL8600088A (nl) | 1985-01-25 | 1986-01-17 | Inrichting voor het meten van de warmtegeleiding van gassen. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4850714A (fr) |
JP (1) | JPS61217749A (fr) |
CH (1) | CH669263A5 (fr) |
DE (1) | DE3502440A1 (fr) |
FR (1) | FR2576688B1 (fr) |
GB (1) | GB2170317B (fr) |
NL (1) | NL8600088A (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3711511C1 (de) * | 1987-04-04 | 1988-06-30 | Hartmann & Braun Ag | Verfahren zur Bestimmung der Gaskonzentrationen in einem Gasgemisch und Sensor zur Messung der Waermeleitfaehigkeit |
DE4107295A1 (de) * | 1991-03-07 | 1992-09-10 | Manfred Dr Rer Nat Ritschel | Verfahren zur bestimmung von chemischen und/oder physikalischen eigenschaften einer gasatmosphaere |
JP2775208B2 (ja) * | 1992-02-21 | 1998-07-16 | 山武ハネウエル株式会社 | 熱伝導率測定装置 |
CA2098867C (fr) * | 1992-06-22 | 2000-03-21 | Tomoshige Hori | Procede et dispositif pour mesurer la conductivite thermique des fluides |
US5379630A (en) * | 1993-06-28 | 1995-01-10 | Hewlett-Packard Company | Thermal conductivity detector |
US5535614A (en) * | 1993-11-11 | 1996-07-16 | Nok Corporation | Thermal conductivity gas sensor for measuring fuel vapor content |
US5463899A (en) * | 1994-08-12 | 1995-11-07 | Gas Research Institute | Simultaneous measurement of gas thermal conductivity and mass flow |
US5477734A (en) * | 1994-08-12 | 1995-12-26 | Gas Research Institute | Pyroelectric swirl measurement |
JP3114139B2 (ja) * | 1995-01-24 | 2000-12-04 | 株式会社山武 | 熱伝導率計 |
DE19640773C2 (de) * | 1995-10-07 | 1999-06-10 | Hiss Eckart | Meßfühler |
DE19619133A1 (de) * | 1996-05-11 | 1997-11-13 | Richard Dipl Ing Maczan | Sensor für die Bestimmung der Wärmeleitfähigkeit und/oder der Temperatur von fließunfähigen, flüssigen oder gasförmigen Stoffen und Verfahren zum Anregen des Sensors |
IT1312311B1 (it) * | 1999-05-07 | 2002-04-15 | Thermoquest Italia Spa | Dispositivo per la misurazione della conducibilita' termica di unfluido |
US6357279B1 (en) | 2001-01-29 | 2002-03-19 | Leco Corporation | Control circuit for thermal conductivity cell |
DE10119788C2 (de) * | 2001-04-23 | 2003-08-07 | Siemens Ag | Wärmeleitfähigkeitsdetektor |
GB0605683D0 (en) * | 2006-03-21 | 2006-05-03 | Servomex Group Ltd | Thermal conductivity sensor |
US20080264641A1 (en) * | 2007-04-30 | 2008-10-30 | Slabaugh Billy F | Blending Fracturing Gel |
US7670046B2 (en) * | 2007-06-18 | 2010-03-02 | Iliya Mitov | Filled hotwire elements and sensors for thermal conductivity detectors |
EP2933634A1 (fr) * | 2014-04-14 | 2015-10-21 | Siemens Aktiengesellschaft | Détecteur de conductivité thermique |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2329840A (en) * | 1941-05-12 | 1943-09-21 | Keinath George | Electric gas analyzer |
DE1256909B (de) * | 1961-09-14 | 1967-12-21 | Reactor Centrum Nederland | Kalorischer Massenstrommesser |
US3888110A (en) * | 1964-09-18 | 1975-06-10 | Anthony John Clark | Apparatus for the determination of the thermal conductivity of gases |
GB1248563A (en) * | 1967-10-19 | 1971-10-06 | Perkin Elmer Ltd | Electrical flowmeters |
US3606790A (en) * | 1968-01-23 | 1971-09-21 | Toyota Motor Co Ltd | Method for measuring air-fuel ratio |
CH524141A (de) * | 1970-11-25 | 1972-06-15 | Feichtinger Heinrich Ing Ch Dr | Detektormesszelle zur Bestimmung der Wärmeleitfähigkeit von Gasen |
DE2229464C3 (de) * | 1971-06-16 | 1975-01-30 | Imperial Chemical Industries Ltd., London | Schaltungsanordnung zum Feststellen der Wärmeleitfähigkeit eines fließfähigen Mediums |
DE2311103C2 (de) * | 1973-03-06 | 1984-01-12 | Helmut Dipl.-Chem. 8000 München Ulrich | Einrichtung zur Messung der Durchflußrate eines Strömungsmittels |
JPS5256214A (en) * | 1975-11-01 | 1977-05-09 | Nippon Soken Inc | Air intake capacity detector for internal combustion engine |
SU830224A1 (ru) * | 1979-07-17 | 1981-05-15 | Киевское Научно-Производственноеобъединение "Аналитприбор" | Способ анализа газов по тепло-пРОВОдНОСТи |
JPS5677716A (en) * | 1979-11-29 | 1981-06-26 | Hitachi Ltd | Detector for amount of sucked air |
DE2952137C2 (de) * | 1979-12-22 | 1982-01-28 | Laboratorium für industrielle Forschung GmbH & Co Entwicklungs KG, 6454 Bruchköbel | Fühler zur Messung der Wärmeleitung in Gasen |
DE3047601A1 (de) * | 1980-12-17 | 1982-07-22 | Leybold-Heraeus GmbH, 5000 Köln | Messeinrichtung fuer gasanalysengeraete zur bestimmung der waermeleitfaehigkeit von gasen |
US4461166A (en) * | 1982-02-26 | 1984-07-24 | Delta Associates, Inc. | Dynamic current drive method for powering thermal conductivity detectors |
JP3136331B2 (ja) * | 1996-06-27 | 2001-02-19 | 農林水産省東北農業試験場長 | 圃場用資材の成形,散布又は播種方法及び装置 |
-
1985
- 1985-01-25 DE DE19853502440 patent/DE3502440A1/de not_active Ceased
- 1985-12-18 CH CH5388/85A patent/CH669263A5/de not_active IP Right Cessation
-
1986
- 1986-01-17 NL NL8600088A patent/NL8600088A/nl not_active Application Discontinuation
- 1986-01-24 GB GB08601759A patent/GB2170317B/en not_active Expired
- 1986-01-24 FR FR868601047A patent/FR2576688B1/fr not_active Expired - Lifetime
- 1986-01-24 JP JP61012240A patent/JPS61217749A/ja active Pending
-
1988
- 1988-03-29 US US07/178,820 patent/US4850714A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPS61217749A (ja) | 1986-09-27 |
US4850714A (en) | 1989-07-25 |
CH669263A5 (de) | 1989-02-28 |
GB2170317A (en) | 1986-07-30 |
GB8601759D0 (en) | 1986-02-26 |
FR2576688A1 (fr) | 1986-08-01 |
FR2576688B1 (fr) | 1992-09-04 |
DE3502440A1 (de) | 1986-07-31 |
GB2170317B (en) | 1988-08-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: LEYBOLD AKTIENGESELLSCHAFT TE HANAU A.D. MAIN |
|
CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: ROSEMOUNT GMBH & CO. |
|
BV | The patent application has lapsed |