FR2001941A6 - - Google Patents
Info
- Publication number
- FR2001941A6 FR2001941A6 FR6903287A FR6903287A FR2001941A6 FR 2001941 A6 FR2001941 A6 FR 2001941A6 FR 6903287 A FR6903287 A FR 6903287A FR 6903287 A FR6903287 A FR 6903287A FR 2001941 A6 FR2001941 A6 FR 2001941A6
- Authority
- FR
- France
- 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
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
- G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0107186 | 1966-11-30 | ||
| DES0114146 | 1968-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2001941A6 true FR2001941A6 (de) | 1969-10-03 |
Family
ID=25998686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6903287A Expired FR2001941A6 (de) | 1966-11-30 | 1969-02-12 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1698050A1 (de) |
| FR (1) | FR2001941A6 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3309404A1 (de) * | 1983-03-16 | 1984-09-20 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur messung des massendurchsatzes eines stroemenden mediums |
| BE904335A (fr) * | 1985-03-14 | 1986-06-30 | Vaillant Joh Gmbh & Co | Montage pour la mesure de la vitesse d'ecoulement d'un fluide. |
| EP3546931B1 (de) | 2018-03-28 | 2021-07-21 | Siemens Aktiengesellschaft | Thermoresistiver gassensor, strömungssensor und wärmeleitfähigkeitssensor |
-
1968
- 1968-02-15 DE DE19681698050 patent/DE1698050A1/de active Pending
-
1969
- 1969-02-12 FR FR6903287A patent/FR2001941A6/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1698050A1 (de) | 1972-04-06 |