CH346795A - Method and device for the electrical detection of aerosols in gases - Google Patents
Method and device for the electrical detection of aerosols in gasesInfo
- Publication number
- CH346795A CH346795A CH346795DA CH346795A CH 346795 A CH346795 A CH 346795A CH 346795D A CH346795D A CH 346795DA CH 346795 A CH346795 A CH 346795A
- Authority
- CH
- Switzerland
- Prior art keywords
- aerosols
- gases
- electrical detection
- electrical
- detection
- Prior art date
Links
- 239000000443 aerosol Substances 0.000 title 1
- 238000001514 detection method Methods 0.000 title 1
- 239000007789 gas Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- G01N27/66—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 and measuring current or voltage
-
- 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)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH854594X | 1957-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH346795A true CH346795A (en) | 1960-05-31 |
Family
ID=4542563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH346795D CH346795A (en) | 1957-01-25 | 1957-01-25 | Method and device for the electrical detection of aerosols in gases |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2994768A (en) |
| CH (1) | CH346795A (en) |
| DE (1) | DE1046372B (en) |
| FR (1) | FR1198450A (en) |
| GB (1) | GB854594A (en) |
| NL (1) | NL99411C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1900888A1 (en) * | 1968-01-19 | 1969-09-04 | Vigifeu | Ionizing chamber, especially for fire detectors |
| WO1998052484A1 (en) | 1997-05-20 | 1998-11-26 | Leica Mikroskopie Systeme Ag | Stand, especially for an operation microscope |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3102200A (en) * | 1959-05-29 | 1963-08-27 | Gen Electric | Penetrating radiation measurement by ionization of a particle bearing aerosol |
| GB929883A (en) * | 1960-01-26 | 1963-06-26 | Nat Res Dev | Improvements in or relating to the detection and/or analysis of low concentrations of gases and vapour |
| DE1133921B (en) * | 1960-04-05 | 1962-07-26 | Hans Christoph Siegmann Dipl P | Arrangement for the relative determination of the dust content of the air using an ionization chamber containing a radioactive preparation |
| US3185845A (en) * | 1961-02-15 | 1965-05-25 | Continental Oil Co | Method of and apparatus for analyzing chemical compounds |
| DE1287825B (en) * | 1962-01-10 | |||
| FR1403080A (en) * | 1964-05-08 | 1965-06-18 | Centre Nat Rech Scient | Device for measuring atmospheric pressure in a wide pressure range |
| FR1540305A (en) * | 1967-02-09 | 1968-09-27 | Advanced fire detection device | |
| USRE30323E (en) * | 1968-09-26 | 1980-07-01 | Hochiki Kabushiki Kaisha | Smoke detector adapted to a smoke sensing apparatus |
| GB1280304A (en) * | 1968-09-26 | 1972-07-05 | Hochiki Co | A smoke sensing detector for smoke sensing apparatus |
| US4013913A (en) * | 1976-01-19 | 1977-03-22 | Hnu Systems Inc. | Ion detection electrode arrangement |
| CH597659A5 (en) * | 1976-02-06 | 1978-04-14 | Cerberus Ag | |
| US4027165A (en) * | 1976-02-17 | 1977-05-31 | The United States Of America As Represented By The United States Energy Research And Development Administration | Ionization detection system for aerosols |
| US4168497A (en) * | 1976-03-15 | 1979-09-18 | Cerberus Ag | Fire and smoke sensing system |
| US4185196A (en) * | 1978-01-13 | 1980-01-22 | General Electric Company | Ionization smoke detector having improved stability and sensitivity |
| US4245174A (en) * | 1978-04-24 | 1981-01-13 | Isotec Industries Limited | Dual ionization chamber |
| US4213047A (en) * | 1978-10-25 | 1980-07-15 | General Signal Corporation | Smoke detector having unipolar ionization chamber |
| US4362941A (en) * | 1981-01-26 | 1982-12-07 | Honeywell Inc. | Apparatus and a method for detecting and measuring trace gases in air or other gaseous background |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2408051A (en) * | 1942-04-04 | 1946-09-24 | American District Telegraph Co | Fire and smoke detector and the like |
| US2594777A (en) * | 1950-07-14 | 1952-04-29 | Ionics | Ion controller |
| US2785312A (en) * | 1953-09-21 | 1957-03-12 | Ionaire Inc | Ion generator using radioactive material |
| US2702898A (en) * | 1953-10-06 | 1955-02-22 | Electro Watt Electrical And In | Gas-responsive control apparatus |
-
0
- NL NL99411D patent/NL99411C/xx active
-
1957
- 1957-01-25 CH CH346795D patent/CH346795A/en unknown
- 1957-09-30 GB GB30523/57A patent/GB854594A/en not_active Expired
-
1958
- 1958-01-11 DE DEC16089A patent/DE1046372B/en active Pending
- 1958-01-17 FR FR1198450D patent/FR1198450A/en not_active Expired
- 1958-01-23 US US710732A patent/US2994768A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1900888A1 (en) * | 1968-01-19 | 1969-09-04 | Vigifeu | Ionizing chamber, especially for fire detectors |
| WO1998052484A1 (en) | 1997-05-20 | 1998-11-26 | Leica Mikroskopie Systeme Ag | Stand, especially for an operation microscope |
Also Published As
| Publication number | Publication date |
|---|---|
| GB854594A (en) | 1960-11-23 |
| FR1198450A (en) | 1959-12-07 |
| DE1046372B (en) | 1958-12-11 |
| NL99411C (en) | |
| US2994768A (en) | 1961-08-01 |
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