FI61768C - Jonisationsbrandalarmanordning - Google Patents
Jonisationsbrandalarmanordning Download PDFInfo
- Publication number
- FI61768C FI61768C FI1124/74A FI112474A FI61768C FI 61768 C FI61768 C FI 61768C FI 1124/74 A FI1124/74 A FI 1124/74A FI 112474 A FI112474 A FI 112474A FI 61768 C FI61768 C FI 61768C
- Authority
- FI
- Finland
- Prior art keywords
- fire alarm
- alarm device
- air
- electrode
- sleeve
- Prior art date
Links
- 230000005669 field effect Effects 0.000 claims description 7
- 150000002500 ions Chemical class 0.000 claims description 4
- 230000002285 radioactive effect Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 description 8
- 239000000779 smoke Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229910052695 Americium Inorganic materials 0.000 description 1
- 241000202252 Cerberus Species 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- LXQXZNRPTYVCNG-UHFFFAOYSA-N americium atom Chemical compound [Am] LXQXZNRPTYVCNG-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000002265 prevention 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
- 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)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH551973A CH551057A (de) | 1973-04-17 | 1973-04-17 | Ionisationsfeuermelder. |
| CH551973 | 1973-04-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI61768B FI61768B (fi) | 1982-05-31 |
| FI61768C true FI61768C (fi) | 1982-09-10 |
Family
ID=4294978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI1124/74A FI61768C (fi) | 1973-04-17 | 1974-04-11 | Jonisationsbrandalarmanordning |
Country Status (23)
| Country | Link |
|---|---|
| US (1) | US3908957A (fr) |
| JP (1) | JPS49131798A (fr) |
| BE (1) | BE813068A (fr) |
| BR (1) | BR7403018D0 (fr) |
| CA (1) | CA998783A (fr) |
| CH (1) | CH551057A (fr) |
| CS (1) | CS216229B2 (fr) |
| DD (1) | DD111483A5 (fr) |
| DE (1) | DE2415479C3 (fr) |
| DK (1) | DK150415C (fr) |
| ES (1) | ES424918A1 (fr) |
| FI (1) | FI61768C (fr) |
| FR (1) | FR2226714B1 (fr) |
| GB (1) | GB1430891A (fr) |
| HU (1) | HU175210B (fr) |
| IL (1) | IL44507A (fr) |
| IT (1) | IT1006402B (fr) |
| NL (1) | NL177633C (fr) |
| NO (1) | NO139581C (fr) |
| PL (1) | PL90429B1 (fr) |
| SE (1) | SE396491B (fr) |
| YU (1) | YU35685B (fr) |
| ZA (1) | ZA742077B (fr) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2652970C3 (de) * | 1976-11-22 | 1979-09-06 | Hartwig Ing.(Grad.) 2409 Scharbeutz Beyersdorf | Ionisations-Brandmelder |
| US4150373A (en) * | 1977-01-27 | 1979-04-17 | Ried Jr Louis | Ionization particle detector |
| JPS6234399Y2 (fr) * | 1980-03-31 | 1987-09-02 | ||
| CH648943A5 (de) * | 1980-05-09 | 1985-04-15 | Cerberus Ag | Rauchmelder. |
| US4439683A (en) * | 1981-02-11 | 1984-03-27 | General Signal Corporation | Ionization smoke detector |
| US4488044A (en) * | 1981-11-20 | 1984-12-11 | Pittway Corporation | Ionization chamber for smoke detector and the like |
| FR2523309A1 (fr) * | 1982-03-09 | 1983-09-16 | Hugon Emile | Nouveau detecteur de fumees capacitif a modules interchangeables |
| US4529976A (en) * | 1982-10-29 | 1985-07-16 | Frederick M. Jameson | Smoke detector with masking shield |
| JPH044316Y2 (fr) * | 1985-09-30 | 1992-02-07 | ||
| FR2594953B1 (fr) * | 1986-02-25 | 1989-05-05 | Lewiner Jacques | Detecteur de fumee a chambre d'ionisation |
| JPS63239592A (ja) * | 1987-03-27 | 1988-10-05 | ホーチキ株式会社 | 光電式煙感知器 |
| EP0338218B1 (fr) * | 1988-03-30 | 1993-09-15 | Cerberus Ag | Méthode de détection précoce d'incendie |
| US5327119A (en) * | 1989-12-22 | 1994-07-05 | Hochiki Kabushiki Kaisha | Ionizing smoke sensor |
| CH681932A5 (fr) * | 1990-12-04 | 1993-06-15 | Cerberus Ag | |
| AU667102B2 (en) * | 1992-05-14 | 1996-03-07 | Vision Systems Limited | Gas sampling point for smoke/pollution detection systems |
| WO1993023735A1 (fr) * | 1992-05-14 | 1993-11-25 | I.E.I. Pty. Ltd. | Point de prelevement de gaz pour systemes de detection de fumee et de pollution |
| US5856784A (en) * | 1997-04-23 | 1999-01-05 | Pittway Corporation | Low profile ionization chamber |
| US6057774A (en) * | 1999-01-21 | 2000-05-02 | Brk Brands, Inc. | Smoke alarm with anti-dust screen |
| GB0213854D0 (en) * | 2002-06-15 | 2002-07-24 | Aea Technology Plc | Radioactive sources |
| US9013316B2 (en) * | 2011-07-28 | 2015-04-21 | Finsecur | Smoke detector |
| GB201219488D0 (en) | 2012-10-30 | 2012-12-12 | Univ Sussex | Apparatus for sensing ionic current and ionising radiation |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3319069A (en) * | 1964-08-27 | 1967-05-09 | American District Telegraph Co | Smoke detecting radiation sensitive fire alarm system |
| CH475614A (de) * | 1968-06-18 | 1969-07-15 | Cerberus Ag Werke Fuer Elektro | Ionisationsfeuermelder |
| GB1277091A (en) * | 1968-07-11 | 1972-06-07 | Nittan Co Ltd | Ionization type smoke detectors |
| CH491449A (de) * | 1969-05-19 | 1970-05-31 | Cerberus Ag | Rauchdetektoranordnung mit mindestens einer Rauchmesskammer |
| CH486082A (de) * | 1969-05-19 | 1970-02-15 | Cerberus Ag | Ionisationsfeuermelder |
| CH508251A (de) * | 1970-07-23 | 1971-05-31 | Cerberus Ag | Ionisationsfeuermelder |
| US3728706A (en) * | 1970-09-28 | 1973-04-17 | Gen Signal Corp | System for indicating aerosols in the atmosphere |
| BE793205A (fr) * | 1971-12-30 | 1973-04-16 | Preussag Ag Feuerschutz | Avertisseur d'incendie a ionisation |
-
1973
- 1973-04-17 CH CH551973A patent/CH551057A/xx not_active IP Right Cessation
-
1974
- 1974-03-27 IL IL44507A patent/IL44507A/en unknown
- 1974-03-29 YU YU891/74A patent/YU35685B/xx unknown
- 1974-03-29 BE BE142655A patent/BE813068A/fr not_active IP Right Cessation
- 1974-03-29 DE DE2415479A patent/DE2415479C3/de not_active Expired
- 1974-04-01 FR FR7411564A patent/FR2226714B1/fr not_active Expired
- 1974-04-02 ZA ZA00742077A patent/ZA742077B/xx unknown
- 1974-04-03 ES ES424918A patent/ES424918A1/es not_active Expired
- 1974-04-03 JP JP49037056A patent/JPS49131798A/ja active Pending
- 1974-04-04 US US457841A patent/US3908957A/en not_active Expired - Lifetime
- 1974-04-08 NL NLAANVRAGE7404783,A patent/NL177633C/xx not_active IP Right Cessation
- 1974-04-09 IT IT7421073A patent/IT1006402B/it active
- 1974-04-10 SE SE7404871A patent/SE396491B/xx not_active IP Right Cessation
- 1974-04-11 CA CA197,527A patent/CA998783A/en not_active Expired
- 1974-04-11 FI FI1124/74A patent/FI61768C/fi active
- 1974-04-12 CS CS742663A patent/CS216229B2/cs unknown
- 1974-04-15 DD DD177896A patent/DD111483A5/xx unknown
- 1974-04-16 DK DK208174A patent/DK150415C/da not_active IP Right Cessation
- 1974-04-16 PL PL1974170389A patent/PL90429B1/pl unknown
- 1974-04-16 BR BR3018/74A patent/BR7403018D0/pt unknown
- 1974-04-16 NO NO741357A patent/NO139581C/no unknown
- 1974-04-17 GB GB1684874A patent/GB1430891A/en not_active Expired
- 1974-04-17 HU HU74CE995A patent/HU175210B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2226714A1 (fr) | 1974-11-15 |
| NL177633C (nl) | 1985-10-16 |
| HU175210B (hu) | 1980-06-28 |
| FR2226714B1 (fr) | 1979-03-16 |
| DE2415479C3 (de) | 1987-12-03 |
| DE2415479A1 (de) | 1974-11-14 |
| NO139581B (no) | 1978-12-27 |
| CA998783A (en) | 1976-10-19 |
| FI61768B (fi) | 1982-05-31 |
| DK150415B (da) | 1987-02-23 |
| NO741357L (no) | 1974-10-18 |
| ZA742077B (en) | 1975-04-30 |
| DE2415479B2 (de) | 1980-09-04 |
| DK150415C (da) | 1987-07-13 |
| CS216229B2 (en) | 1982-10-29 |
| CH551057A (de) | 1974-06-28 |
| BR7403018D0 (pt) | 1974-11-19 |
| YU35685B (en) | 1981-04-30 |
| NL7404783A (fr) | 1974-10-21 |
| AU6753274A (en) | 1975-10-09 |
| YU89174A (en) | 1980-09-25 |
| PL90429B1 (fr) | 1977-01-31 |
| IT1006402B (it) | 1976-09-30 |
| IL44507A (en) | 1977-07-31 |
| IL44507A0 (en) | 1974-06-30 |
| SE396491B (sv) | 1977-09-19 |
| NL177633B (nl) | 1985-05-17 |
| DD111483A5 (fr) | 1975-02-12 |
| GB1430891A (en) | 1976-04-07 |
| ES424918A1 (es) | 1976-05-16 |
| US3908957A (en) | 1975-09-30 |
| NO139581C (no) | 1979-04-04 |
| JPS49131798A (fr) | 1974-12-17 |
| BE813068A (fr) | 1974-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI61768C (fi) | Jonisationsbrandalarmanordning | |
| US3767917A (en) | Ionizing-type fire alarm sensor | |
| US3681603A (en) | Smoke detector with at least one smoke measuring chamber | |
| GB1586694A (en) | Ionization fire alarm | |
| US3731093A (en) | Ionization fire alarm with wind screen | |
| KR200495417Y1 (ko) | 나노섬유 연기 검출 보정 | |
| US4328424A (en) | Ionization detector chamber | |
| JP6392094B2 (ja) | 光電式煙感知器 | |
| US2981840A (en) | Detecting device | |
| JPS6016680B2 (ja) | 煙検知装置 | |
| US3978397A (en) | Apparatus for sensing particles | |
| US4171486A (en) | Ionization smoke detector with controlled sensitivity | |
| US4439683A (en) | Ionization smoke detector | |
| DK141948B (da) | Brandalarmapparat med radioaktiv kilde til frembringelse af ioner. | |
| CN113302715B (zh) | 对电子倍增器内部区域的改进 | |
| US4049989A (en) | Ion production means | |
| US4227085A (en) | Ionization-type particle detector | |
| EP3559649B1 (fr) | Protection pour électrodes dans un détecteur à photo-ionisation | |
| CA1217284A (fr) | Isolateur d'electrode pour detecteur d'incendie par ionisation | |
| US3903419A (en) | Combustion products detector assembly and method of operation | |
| JPS5890160A (ja) | 煙検出器用イオン化室 | |
| GB1581236A (en) | Ionisation detector chamber | |
| JP7080030B2 (ja) | 感知器 | |
| SU569943A1 (ru) | Ионизационный детектор дл газовой хроматорграфии | |
| CA2323811A1 (fr) | Spectrometre de mobilite ionique |