SU587884A3 - Ионизационный пожарных извещатель - Google Patents
Ионизационный пожарных извещательInfo
- Publication number
- SU587884A3 SU587884A3 SU742054648A SU2054648A SU587884A3 SU 587884 A3 SU587884 A3 SU 587884A3 SU 742054648 A SU742054648 A SU 742054648A SU 2054648 A SU2054648 A SU 2054648A SU 587884 A3 SU587884 A3 SU 587884A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- ionization
- beta
- electrode
- radiation
- source
- Prior art date
Links
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
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD173546A DD106728A1 (fr) | 1973-09-17 | 1973-09-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
SU587884A3 true SU587884A3 (ru) | 1978-01-05 |
Family
ID=5492798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU742054648A SU587884A3 (ru) | 1973-09-17 | 1974-08-22 | Ионизационный пожарных извещатель |
Country Status (6)
Country | Link |
---|---|
CH (1) | CH586437A5 (fr) |
DD (1) | DD106728A1 (fr) |
DE (1) | DE2423045B2 (fr) |
FR (1) | FR2244218B1 (fr) |
SE (1) | SE392979B (fr) |
SU (1) | SU587884A3 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL52357A (en) * | 1976-07-02 | 1979-11-30 | Chloride Group Ltd | Ionisation detector chamber |
CH600563A5 (fr) * | 1976-11-29 | 1978-06-15 | Cerberus Ag | |
CH600565A5 (fr) * | 1976-12-01 | 1978-06-15 | Cerberus Ag | |
JPS6234399Y2 (fr) * | 1980-03-31 | 1987-09-02 | ||
CN110782620A (zh) * | 2019-10-25 | 2020-02-11 | 上海明厦物联网科技有限公司 | 一种提高烟雾探测器灵敏度和响应速度的装置 |
-
1973
- 1973-09-17 DD DD173546A patent/DD106728A1/xx unknown
-
1974
- 1974-05-13 DE DE2423045A patent/DE2423045B2/de not_active Withdrawn
- 1974-06-06 CH CH773174A patent/CH586437A5/xx not_active IP Right Cessation
- 1974-06-12 SE SE7407752A patent/SE392979B/xx unknown
- 1974-08-12 FR FR7427922A patent/FR2244218B1/fr not_active Expired
- 1974-08-22 SU SU742054648A patent/SU587884A3/ru active
Also Published As
Publication number | Publication date |
---|---|
SE392979B (sv) | 1977-04-25 |
FR2244218B1 (fr) | 1978-01-27 |
DE2423045B2 (de) | 1978-10-26 |
FR2244218A1 (fr) | 1975-04-11 |
DD106728A1 (fr) | 1974-06-20 |
CH586437A5 (fr) | 1977-03-31 |
SE7407752L (fr) | 1975-03-18 |
DE2423045A1 (de) | 1975-03-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3028490A (en) | Apparatus responsive to the composition of a gaseous medium | |
US3295121A (en) | Electric alarm system, preferably for fire alarms | |
SU587884A3 (ru) | Ионизационный пожарных извещатель | |
GB1430891A (en) | Ionization fire sensors | |
US3922655A (en) | Smoke or fire detector | |
US4213047A (en) | Smoke detector having unipolar ionization chamber | |
US3560737A (en) | Combustion products detector using a radioactive source and detector | |
ES453662A1 (es) | Conjunto de celulas de camara de ionizacion. | |
US4021671A (en) | Ionization detector | |
US4786811A (en) | Ionization type-smoke detector | |
US4336455A (en) | Smoke detectors | |
US3521263A (en) | Ionization fire alarm and improved method of detecting smoke and combustion aerosols | |
US3935466A (en) | Smoke detector adapted to a smoke sensing apparatus | |
US3271756A (en) | Method and apparatus for detecting a hazardous condition | |
US3935492A (en) | Ionization smoke detector | |
IE45520L (en) | Smoke detector | |
JPS622267B2 (fr) | ||
US3582646A (en) | Ionization fire detection device | |
ES2048332T3 (es) | Procedimiento para el funcionamiento de un avisador de humos por ionizacion y aparato avisador de humos por ionizacion. | |
US3078450A (en) | Pressure compensated ionization chamber fire detector system | |
ES8404511A1 (es) | Detector del nivel de ionizacion de un medio gaseoso controlado por arco electrico | |
DE3069987D1 (en) | Ionisation smoke signaller with particular operational reliability | |
GB2092820A (en) | Ionization smoke detector | |
US3717766A (en) | Spark chamber radiation-detecting device | |
JPS5420975A (en) | Sputtering device |