FR2438841A1 - Capteur ionique pour detecteur d'incendie - Google Patents
Capteur ionique pour detecteur d'incendieInfo
- Publication number
- FR2438841A1 FR2438841A1 FR7829266A FR7829266A FR2438841A1 FR 2438841 A1 FR2438841 A1 FR 2438841A1 FR 7829266 A FR7829266 A FR 7829266A FR 7829266 A FR7829266 A FR 7829266A FR 2438841 A1 FR2438841 A1 FR 2438841A1
- Authority
- FR
- France
- Prior art keywords
- electrodes
- auxiliary electrode
- electrode
- potential
- ionic
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
-
- 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)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Emergency Management (AREA)
- Toxicology (AREA)
- Business, Economics & Management (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
CAPTEUR IONIQUE POUR DETECTEUR D'INCENDIE. IL COMPORTE UNE ELECTRODE CYLINDRIQUE AUXILIAIRE SITUEE ENTRE LES DEUX ELECTRODES DE LA CHAMBRE D'IONISATION, ET PORTEE A UN POTENTIEL CONSTANT. APPLICATION AUX DETECTEURS D'INCENDIE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7829266A FR2438841A1 (fr) | 1978-10-13 | 1978-10-13 | Capteur ionique pour detecteur d'incendie |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7829266A FR2438841A1 (fr) | 1978-10-13 | 1978-10-13 | Capteur ionique pour detecteur d'incendie |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2438841A1 true FR2438841A1 (fr) | 1980-05-09 |
FR2438841B1 FR2438841B1 (fr) | 1981-05-22 |
Family
ID=9213720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7829266A Granted FR2438841A1 (fr) | 1978-10-13 | 1978-10-13 | Capteur ionique pour detecteur d'incendie |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2438841A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012089986A1 (fr) * | 2010-12-31 | 2012-07-05 | Jacques Lewiner | Procédé et dispositif de détection de fumée |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB976641A (en) * | 1961-01-23 | 1964-12-02 | Beckman Instruments Inc | Ionisation type detector |
US3176135A (en) * | 1960-01-26 | 1965-03-30 | Nat Res Dev | Apparatus for detecting and analysing low gaseous concentrations |
US3560737A (en) * | 1967-08-02 | 1971-02-02 | Honeywell Inc | Combustion products detector using a radioactive source and detector |
US3693009A (en) * | 1968-12-24 | 1972-09-19 | Nittan Co Ltd | Ionization smoke detecting device |
GB1299234A (en) * | 1970-11-06 | 1972-12-13 | Nittan Co Ltd | Ionization smoke detector |
US3935466A (en) * | 1968-09-26 | 1976-01-27 | Hochiki Kabushiki Kaisha | Smoke detector adapted to a smoke sensing apparatus |
DE2729599A1 (de) * | 1976-07-02 | 1978-02-02 | Chloride Group Ltd | Detektor mit ionisationskammer |
CH597658A5 (fr) * | 1975-02-10 | 1978-04-14 | Hochiki Co |
-
1978
- 1978-10-13 FR FR7829266A patent/FR2438841A1/fr active Granted
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3176135A (en) * | 1960-01-26 | 1965-03-30 | Nat Res Dev | Apparatus for detecting and analysing low gaseous concentrations |
GB976641A (en) * | 1961-01-23 | 1964-12-02 | Beckman Instruments Inc | Ionisation type detector |
US3560737A (en) * | 1967-08-02 | 1971-02-02 | Honeywell Inc | Combustion products detector using a radioactive source and detector |
US3935466A (en) * | 1968-09-26 | 1976-01-27 | Hochiki Kabushiki Kaisha | Smoke detector adapted to a smoke sensing apparatus |
US3693009A (en) * | 1968-12-24 | 1972-09-19 | Nittan Co Ltd | Ionization smoke detecting device |
GB1299234A (en) * | 1970-11-06 | 1972-12-13 | Nittan Co Ltd | Ionization smoke detector |
CH597658A5 (fr) * | 1975-02-10 | 1978-04-14 | Hochiki Co | |
DE2729599A1 (de) * | 1976-07-02 | 1978-02-02 | Chloride Group Ltd | Detektor mit ionisationskammer |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012089986A1 (fr) * | 2010-12-31 | 2012-07-05 | Jacques Lewiner | Procédé et dispositif de détection de fumée |
FR2970102A1 (fr) * | 2010-12-31 | 2012-07-06 | Jacques Lewiner | Detecteur de fumee |
US9201051B2 (en) | 2010-12-31 | 2015-12-01 | Finsecur | Method and device for detecting smoke |
Also Published As
Publication number | Publication date |
---|---|
FR2438841B1 (fr) | 1981-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |