CH304216A - Device to automatically indicate the presence of flammable gases in any room. - Google Patents
Device to automatically indicate the presence of flammable gases in any room.Info
- Publication number
- CH304216A CH304216A CH304216DA CH304216A CH 304216 A CH304216 A CH 304216A CH 304216D A CH304216D A CH 304216DA CH 304216 A CH304216 A CH 304216A
- Authority
- CH
- Switzerland
- Prior art keywords
- room
- flammable gases
- automatically indicate
- indicate
- automatically
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
- G01N25/28—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly
- G01N25/30—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using electric temperature-responsive elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
- G01N25/28—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly
- G01N25/38—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using the melting or combustion of a solid
- G01N25/385—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using the melting or combustion of a solid for investigating the composition of gas mixtures
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES304216X | 1951-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH304216A true CH304216A (en) | 1954-12-31 |
Family
ID=8245035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH304216D CH304216A (en) | 1951-03-31 | 1952-03-20 | Device to automatically indicate the presence of flammable gases in any room. |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2727225A (en) |
| CH (1) | CH304216A (en) |
| FR (1) | FR1062463A (en) |
| GB (1) | GB713807A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3090038A (en) * | 1959-06-08 | 1963-05-14 | Great Lakes Pipe Line Company | Hazardous atmosphere detecting and signalling system |
| DE1221815B (en) * | 1964-10-08 | 1966-07-28 | Ceag Concordia Elek Zitaets Ag | Device for displaying a lower oxygen concentration in mine weather |
| US3452350A (en) * | 1966-04-05 | 1969-06-24 | Fenwal Inc | Explosion suppression system including explosion simulation and testing apparatus |
| WO2014151978A2 (en) | 2013-03-14 | 2014-09-25 | Emprimus, Llc | Electromagnetically protected electronic enclosure |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US872039A (en) * | 1903-09-30 | 1907-11-26 | Daniel B Adams | Automatic alarm and stopping device for engines. |
| US977947A (en) * | 1910-06-15 | 1910-12-06 | Anton Grohs | Danger-signal apparatus for mines, &c. |
| US1088611A (en) * | 1913-02-25 | 1914-02-24 | Heinrich Neubauer | Device for signalizing the presence of explosive gas mixtures in fire-damp mines. |
| US1390497A (en) * | 1917-04-17 | 1921-09-13 | Edwin M Chance | Method and apparatus for the detection of combustible and vitiated atmospheres |
| US1821871A (en) * | 1927-11-23 | 1931-09-01 | Bayer Adolph | Gas detection apparatus |
| US1756749A (en) * | 1928-08-13 | 1930-04-29 | Oxweld Acetylene Co | Filament mounting for gas-detecting apparatus |
| US2102457A (en) * | 1935-01-15 | 1937-12-14 | Gandy Raymond Alfred | Gas detecting apparatus |
| US2345772A (en) * | 1940-03-23 | 1944-04-04 | W L Garland | Gas detecting apparatus |
-
1952
- 1952-03-20 CH CH304216D patent/CH304216A/en unknown
- 1952-03-27 FR FR1062463D patent/FR1062463A/en not_active Expired
- 1952-03-27 US US278914A patent/US2727225A/en not_active Expired - Lifetime
- 1952-03-31 GB GB8191/52A patent/GB713807A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2727225A (en) | 1955-12-13 |
| FR1062463A (en) | 1954-04-23 |
| GB713807A (en) | 1954-08-18 |
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