NO115947B - - Google Patents
Info
- Publication number
- NO115947B NO115947B NO153215A NO15321564A NO115947B NO 115947 B NO115947 B NO 115947B NO 153215 A NO153215 A NO 153215A NO 15321564 A NO15321564 A NO 15321564A NO 115947 B NO115947 B NO 115947B
- Authority
- NO
- Norway
- Prior art keywords
- output
- electrodes
- impedance
- fire detector
- detector according
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims description 42
- 238000002485 combustion reaction Methods 0.000 claims description 26
- 239000003990 capacitor Substances 0.000 claims description 23
- 230000008859 change Effects 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 2
- 238000003379 elimination reaction Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 claims 3
- 239000011521 glass Substances 0.000 description 12
- 230000008901 benefit Effects 0.000 description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 6
- 239000012857 radioactive material Substances 0.000 description 5
- 239000012876 carrier material Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000009499 grossing Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 241000282412 Homo Species 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 241000269400 Sirenidae Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000019506 cigar Nutrition 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000752 ionisation method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 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
-
- 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)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US283070A US3245067A (en) | 1963-05-24 | 1963-05-24 | Detection of products of combustion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO115947B true NO115947B (enrdf_load_stackoverflow) | 1968-12-30 |
Family
ID=23084365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO153215A NO115947B (enrdf_load_stackoverflow) | 1963-05-24 | 1964-05-12 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3245067A (enrdf_load_stackoverflow) |
| DK (1) | DK118061B (enrdf_load_stackoverflow) |
| NO (1) | NO115947B (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE28915E (en) * | 1968-02-29 | 1976-07-20 | BRK Shareholders' Committee | Detection of products of combustion |
| US3594751A (en) * | 1968-02-29 | 1971-07-20 | Brk Electronics | Detection of products of combustion |
| US3611335A (en) * | 1968-11-13 | 1971-10-05 | Bbk Electronics Inc | Multiple combustion sensing device with false alarm prevention |
| US3798625A (en) * | 1970-08-13 | 1974-03-19 | Sci Systems Inc | Rate-of-change combustion and combination detection apparatus |
| US3987423A (en) * | 1975-12-22 | 1976-10-19 | The United States Of America As Represented By The United States Energy Research And Development Administration | Ionization-chamber smoke detector system |
| EP0609354A1 (en) * | 1991-10-24 | 1994-08-10 | CAPTEUR SENSORS & ANALYSERS LTD. | Fire detector and a method of detecting a fire |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3123812A (en) * | 1964-03-03 | woodling | ||
| US2465377A (en) * | 1938-11-24 | 1949-03-29 | Banque Pour Entpr S Electr | Gas-sensing control means with gas-discharge device |
| US2278920A (en) * | 1939-03-15 | 1942-04-07 | American District Telegraph Co | Photoelectric smoke detection system |
| US2278248A (en) * | 1939-12-06 | 1942-03-31 | William A Darrah | Process and apparatus for monitoring gases |
| GB557613A (en) * | 1940-05-03 | 1943-11-29 | British Thomson Houston Co Ltd | Improved arrangement for the indication of atmospheric moisture |
| US2408051A (en) * | 1942-04-04 | 1946-09-24 | American District Telegraph Co | Fire and smoke detector and the like |
| US2367561A (en) * | 1943-04-10 | 1945-01-16 | Michigan State Board Of Agricu | Electric hygrometer |
| US2553420A (en) * | 1948-09-29 | 1951-05-15 | Photoswitch Inc | Radiation detector |
| US2646556A (en) * | 1950-06-17 | 1953-07-21 | C O Two Fire Equipment Co | Supervised alarm system |
| US2621239A (en) * | 1950-08-22 | 1952-12-09 | Photoswitch Inc | Heat detector for aircraft |
| US2759174A (en) * | 1952-08-26 | 1956-08-14 | American District Telegraph Co | Fire detector |
| NL94775C (enrdf_load_stackoverflow) * | 1953-02-14 | |||
| US2826072A (en) * | 1953-06-08 | 1958-03-11 | Honeywell Regulator Co | Control apparatus |
| US2702898A (en) * | 1953-10-06 | 1955-02-22 | Electro Watt Electrical And In | Gas-responsive control apparatus |
| US2828450A (en) * | 1955-05-09 | 1958-03-25 | Honeywell Regulator Co | Transistor controller |
| US2901740A (en) * | 1956-11-23 | 1959-08-25 | Specialties Dev Corp | Electrical network automatically responsive to a change in condition |
| US3077774A (en) * | 1957-02-18 | 1963-02-19 | Energy Kontrols Inc | Humidity indicating device |
| US3117311A (en) * | 1958-06-21 | 1964-01-07 | Frans C Lemaire | Fire detectors |
| US3058079A (en) * | 1959-07-23 | 1962-10-09 | Frank E Jones | Hygrometer elements |
| US3078450A (en) * | 1961-08-03 | 1963-02-19 | Martin J Mcginn | Pressure compensated ionization chamber fire detector system |
-
1963
- 1963-05-24 US US283070A patent/US3245067A/en not_active Expired - Lifetime
-
1964
- 1964-05-12 NO NO153215A patent/NO115947B/no unknown
- 1964-05-23 DK DK257864AA patent/DK118061B/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3245067A (en) | 1966-04-05 |
| DK118061B (da) | 1970-06-29 |
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