FR1021173A - Gas detector - Google Patents
Gas detectorInfo
- Publication number
- FR1021173A FR1021173A FR1021173DA FR1021173A FR 1021173 A FR1021173 A FR 1021173A FR 1021173D A FR1021173D A FR 1021173DA FR 1021173 A FR1021173 A FR 1021173A
- Authority
- FR
- France
- Prior art keywords
- gas detector
- detector
- gas
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
- G01K5/48—Measuring temperature based on the expansion or contraction of a material the material being a solid
- G01K5/56—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid
- G01K5/62—Measuring temperature based on the expansion or contraction of a material the material being a solid constrained so that expansion or contraction causes a deformation of the solid the solid body being formed of compounded strips or plates, e.g. bimetallic strip
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1021173T | 1950-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1021173A true FR1021173A (en) | 1953-02-16 |
Family
ID=9576809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1021173D Expired FR1021173A (en) | 1950-06-30 | 1950-06-30 | Gas detector |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1021173A (en) |
-
1950
- 1950-06-30 FR FR1021173D patent/FR1021173A/en not_active Expired
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