NO126977B - - Google Patents
Download PDFInfo
- Publication number
- NO126977B NO126977B NO03746/72*[A NO374672A NO126977B NO 126977 B NO126977 B NO 126977B NO 374672 A NO374672 A NO 374672A NO 126977 B NO126977 B NO 126977B
- Authority
- NO
- Norway
- Prior art keywords
- membrane
- radiation
- gas detector
- radiation source
- chamber
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims description 35
- 230000005855 radiation Effects 0.000 claims description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- XKRFYHLGVUSROY-BJUDXGSMSA-N argon-39 atom Chemical compound [39Ar] XKRFYHLGVUSROY-BJUDXGSMSA-N 0.000 claims description 2
- DNNSSWSSYDEUBZ-OUBTZVSYSA-N krypton-85 Chemical compound [85Kr] DNNSSWSSYDEUBZ-OUBTZVSYSA-N 0.000 claims description 2
- 239000000779 smoke Substances 0.000 claims 3
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000011888 foil Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Toxicology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE13304/71A SE347377B (enrdf_load_stackoverflow) | 1971-10-20 | 1971-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO126977B true NO126977B (enrdf_load_stackoverflow) | 1973-04-16 |
Family
ID=20297181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO03746/72*[A NO126977B (enrdf_load_stackoverflow) | 1971-10-20 | 1972-10-28 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3838283A (enrdf_load_stackoverflow) |
| BE (1) | BE790355A (enrdf_load_stackoverflow) |
| DE (1) | DE2250820A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2175383A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1341372A (enrdf_load_stackoverflow) |
| NL (1) | NL7214138A (enrdf_load_stackoverflow) |
| NO (1) | NO126977B (enrdf_load_stackoverflow) |
| SE (1) | SE347377B (enrdf_load_stackoverflow) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4075487A (en) * | 1976-05-14 | 1978-02-21 | Patent Development & Management Company | Ionization chamber assembly |
| DE2652970C3 (de) * | 1976-11-22 | 1979-09-06 | Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf | Ionisations-Brandmelder |
| US4245174A (en) | 1978-04-24 | 1981-01-13 | Isotec Industries Limited | Dual ionization chamber |
| US4238679A (en) * | 1978-12-07 | 1980-12-09 | Conrac Corporation | Dual-chamber ionization smoke detector assembly |
| FR2473201A1 (fr) * | 1980-01-02 | 1981-07-10 | Gamma Electronic | Detecteur de fumees capacitif a faible source d'ionisation |
| JPH03196292A (ja) * | 1989-12-25 | 1991-08-27 | Hochiki Corp | イオン化式煙感知器 |
| ES2070748B1 (es) * | 1993-05-17 | 1996-05-16 | Kilsen Sa | Detector ionico de humos. |
| DE9416314U1 (de) | 1994-10-10 | 1994-12-01 | Fritz Fuss Gmbh & Co, 72458 Albstadt | Rauchmelder |
| DE19627620C1 (de) * | 1996-07-09 | 1997-11-13 | Bruker Saxonia Analytik Gmbh | Elektroneneinfangdetektor |
| US20050218811A1 (en) * | 2004-03-31 | 2005-10-06 | Schulman Michael B | Gas discharge lamp with high-energy vacuum ultraviolet emission |
| AU2005230450B2 (en) * | 2004-03-31 | 2009-12-17 | Msa Technology, Llc | Photoionization detector |
| US7504962B2 (en) * | 2005-11-22 | 2009-03-17 | Joseph Stephen Smith | Apparatus for enclosing a smoke detector |
| CN100414291C (zh) * | 2006-03-17 | 2008-08-27 | 中国科学院安徽光学精密机械研究所 | 一种便携式光离子化检测器的电离室 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS446089Y1 (enrdf_load_stackoverflow) * | 1966-03-30 | 1969-03-05 | ||
| DE2029485B2 (de) * | 1969-06-21 | 1971-11-25 | Nittan Co. Ltd., Tokio | Ionisations rauchfuehler |
| ZA704724B (en) * | 1969-07-22 | 1971-03-31 | Nittan Co Ltd | Ionization smoke detector |
-
0
- BE BE790355D patent/BE790355A/xx unknown
-
1971
- 1971-10-20 SE SE13304/71A patent/SE347377B/xx unknown
-
1972
- 1972-10-17 DE DE2250820A patent/DE2250820A1/de active Pending
- 1972-10-18 US US00298750A patent/US3838283A/en not_active Expired - Lifetime
- 1972-10-19 NL NL7214138A patent/NL7214138A/xx not_active Application Discontinuation
- 1972-10-20 FR FR7237286A patent/FR2175383A5/fr not_active Expired
- 1972-10-20 GB GB4831572A patent/GB1341372A/en not_active Expired
- 1972-10-28 NO NO03746/72*[A patent/NO126977B/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1341372A (en) | 1973-12-19 |
| DE2250820A1 (de) | 1973-04-26 |
| BE790355A (fr) | 1973-02-15 |
| SE347377B (enrdf_load_stackoverflow) | 1972-07-31 |
| US3838283A (en) | 1974-09-24 |
| NL7214138A (enrdf_load_stackoverflow) | 1973-04-25 |
| FR2175383A5 (enrdf_load_stackoverflow) | 1973-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO126977B (enrdf_load_stackoverflow) | ||
| US4400357A (en) | Device for sterilizing medical and dental objects | |
| SE7415674L (enrdf_load_stackoverflow) | ||
| JPS4983946A (enrdf_load_stackoverflow) | ||
| EP0604528A1 (en) | Ion mobility spectrometry equipment | |
| ES242421U (es) | Perfeccionamientos en las pilas galvanicas estancas. | |
| US3206982A (en) | Fluid sampling device | |
| NL7500485A (nl) | Hermetisch afgesloten elektrode en afsluitkap voor een buis, benevens een werkwijze voor de vervaardiging van deze. | |
| ES409870A1 (es) | Perfeccionamientos en celulas galvamicas en sensores de oxigeno. | |
| US3262002A (en) | Convertible x-ray detector | |
| US3616410A (en) | Partial gas pressure transducer | |
| GB1435597A (en) | Spectrochemical analysis apparatus and sample holding means therefor | |
| GB1355831A (en) | Flame trap gas vents | |
| FR3087902B1 (fr) | Chambre a fission haute temperature | |
| US2639833A (en) | Vacuum seal | |
| GB1217625A (en) | Improvements in oxygen sensors | |
| Andersson | Ionization smoke detector | |
| FR2168760A5 (en) | Storage vessel - partic for liquefied gases | |
| US2596744A (en) | Moisture indicating instrument | |
| US4767504A (en) | Method for conditioning a gas sensor | |
| US2929953A (en) | Spectroscopic arc chamber | |
| JPS594278Y2 (ja) | 隔膜式電極 | |
| GB855111A (en) | Improvements in or relating to devices for the determination of changes in the composition of gases | |
| GB1236049A (en) | Improvements in or relating to sample analysis by irradiation | |
| US3832299A (en) | Gas detecting electrode assembly |