DE312420C - - Google Patents
Info
- Publication number
- DE312420C DE312420C DENDAT312420D DE312420DA DE312420C DE 312420 C DE312420 C DE 312420C DE NDAT312420 D DENDAT312420 D DE NDAT312420D DE 312420D A DE312420D A DE 312420DA DE 312420 C DE312420 C DE 312420C
- Authority
- DE
- Germany
- Prior art keywords
- lamp
- capsule
- switch bracket
- contact
- firedamp
- 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.)
- Active
Links
- 239000002775 capsule Substances 0.000 claims 6
- 239000007789 gas Substances 0.000 claims 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims 3
- 239000002360 explosive Substances 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
Classifications
-
- 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
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE312420C true DE312420C (cs) |
Family
ID=565347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT312420D Active DE312420C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE312420C (cs) |
-
0
- DE DENDAT312420D patent/DE312420C/de active Active
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