LU38062A1 - - Google Patents
Info
- Publication number
- LU38062A1 LU38062A1 LU38062DA LU38062A1 LU 38062 A1 LU38062 A1 LU 38062A1 LU 38062D A LU38062D A LU 38062DA LU 38062 A1 LU38062 A1 LU 38062A1
- Authority
- LU
- Luxembourg
Links
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
- G01N33/0026—General constructional details of gas analysers, e.g. portable test equipment use of an alternating circulation of another gas
-
- 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
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
-
- 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
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR782813A FR1220068A (fr) | 1958-12-29 | 1958-12-29 | Dispositif d'analyse de gaz |
| FR791805A FR75607E (fr) | 1958-12-29 | 1959-04-11 | Dispositif d'analyse de gaz |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU38062A1 true LU38062A1 (xx) |
Family
ID=26183716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU38062D LU38062A1 (xx) | 1958-12-29 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3018655A (xx) |
| BE (1) | BE585571A (xx) |
| DE (1) | DE1266022B (xx) |
| FR (2) | FR1220068A (xx) |
| GB (1) | GB938226A (xx) |
| LU (1) | LU38062A1 (xx) |
| NL (1) | NL246701A (xx) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0096514A3 (en) * | 1982-06-05 | 1984-10-31 | Bl Technology Limited | Detecting combustible or combustion-supporting constituents in exhaust gas from an internal combustion engine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3449942A (en) * | 1966-08-18 | 1969-06-17 | Perkin Elmer Corp | Isopiestic chromatographic detector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2826908A (en) * | 1958-03-18 | Integrating adsorption detector for gas | ||
| US2579352A (en) * | 1950-04-28 | 1951-12-18 | Gen Electric | Method and apparatus for the quantitative measurement of impurities in an atmosphere |
| US2694923A (en) * | 1952-06-30 | 1954-11-23 | Phillips Petroleum Co | System for gas analysis |
| US2883270A (en) * | 1956-09-17 | 1959-04-21 | Johnson Williams Inc | Gas analyzers |
-
0
- NL NL246701D patent/NL246701A/xx unknown
- BE BE585571D patent/BE585571A/xx unknown
- LU LU38062D patent/LU38062A1/xx unknown
-
1958
- 1958-12-29 FR FR782813A patent/FR1220068A/fr not_active Expired
-
1959
- 1959-04-11 FR FR791805A patent/FR75607E/fr not_active Expired
- 1959-12-21 US US860927A patent/US3018655A/en not_active Expired - Lifetime
- 1959-12-28 DE DES66449A patent/DE1266022B/de active Pending
- 1959-12-29 GB GB44146/59A patent/GB938226A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0096514A3 (en) * | 1982-06-05 | 1984-10-31 | Bl Technology Limited | Detecting combustible or combustion-supporting constituents in exhaust gas from an internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| NL246701A (xx) | |
| GB938226A (en) | 1963-10-02 |
| DE1266022B (de) | 1968-04-11 |
| FR75607E (fr) | 1961-07-21 |
| US3018655A (en) | 1962-01-30 |
| FR1220068A (fr) | 1960-05-23 |
| BE585571A (xx) |