AT402576B - Ionisations-rauchfühler - Google Patents
Ionisations-rauchfühler Download PDFInfo
- Publication number
- AT402576B AT402576B AT0312688A AT312688A AT402576B AT 402576 B AT402576 B AT 402576B AT 0312688 A AT0312688 A AT 0312688A AT 312688 A AT312688 A AT 312688A AT 402576 B AT402576 B AT 402576B
- Authority
- AT
- Austria
- Prior art keywords
- inlet openings
- smoke inlet
- smoke
- partition
- ionization
- Prior art date
Links
- 239000000779 smoke Substances 0.000 title claims abstract description 94
- 238000005192 partition Methods 0.000 claims abstract description 45
- 239000007787 solid Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- 238000013016 damping Methods 0.000 claims 1
- 239000003546 flue gas Substances 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- 230000035515 penetration Effects 0.000 description 4
- 230000005669 field effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 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)
- Catalysts (AREA)
- Steroid Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987198632U JPH01102991U (en]) | 1987-12-26 | 1987-12-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA312688A ATA312688A (de) | 1996-10-15 |
| AT402576B true AT402576B (de) | 1997-06-25 |
Family
ID=16394430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT0312688A AT402576B (de) | 1987-12-26 | 1988-12-21 | Ionisations-rauchfühler |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4914425A (en]) |
| JP (1) | JPH01102991U (en]) |
| AT (1) | AT402576B (en]) |
| AU (1) | AU606771B2 (en]) |
| CH (1) | CH677160A5 (en]) |
| DE (1) | DE3843297C2 (en]) |
| FI (1) | FI91196C (en]) |
| FR (1) | FR2625353B1 (en]) |
| GB (1) | GB2212657B (en]) |
| NO (1) | NO173674C (en]) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4937562A (en) * | 1987-12-26 | 1990-06-26 | Hochiki Corp. | Moisture-proof ionization smoke detector |
| JPH01171099A (ja) * | 1987-12-26 | 1989-07-06 | Hochiki Corp | イオン化式煙感知器の防湿構造 |
| JPH02307198A (ja) * | 1989-05-22 | 1990-12-20 | Hochiki Corp | イオン化式煙感知器 |
| JPH03196292A (ja) * | 1989-12-25 | 1991-08-27 | Hochiki Corp | イオン化式煙感知器 |
| US5425582A (en) * | 1992-01-31 | 1995-06-20 | Hochiki Kabushiki Kaisha | Thermal detector and method of producing the same |
| US5485144A (en) * | 1993-05-07 | 1996-01-16 | Pittway Corporation | Compensated ionization sensor |
| JP3210868B2 (ja) * | 1996-10-11 | 2001-09-25 | ニッタン株式会社 | イオン化式煙感知器 |
| US5880676A (en) * | 1997-06-09 | 1999-03-09 | Tsou; Peiki F. | Christmas tree ornament-shaped fire alarm |
| US6778091B2 (en) | 2001-01-09 | 2004-08-17 | Qualey, Iii James R. | Smoke chamber |
| DE10319688B4 (de) * | 2003-05-02 | 2007-01-11 | Airbus Deutschland Gmbh | Vorrichtung zur permanenten Überwachung eines in einem Flugzeug angeordneten Rauchdetektors |
| DE102006023048C5 (de) * | 2006-05-17 | 2014-12-11 | Techem Energy Services Gmbh | Brandwarnmelder und Verfahren zur Überprüfung dessen Funktionsfähigkeit |
| JP2008102575A (ja) * | 2006-10-17 | 2008-05-01 | Yazaki Corp | 火災警報器 |
| US7592922B2 (en) * | 2007-01-18 | 2009-09-22 | Michael E. La Vigne | Smoke detector guard concentrator |
| US11385211B2 (en) * | 2019-04-05 | 2022-07-12 | Hochiki Corporation | Detector |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4234877A (en) * | 1978-08-26 | 1980-11-18 | Hochiki Corporation | Ion type smoke sensor |
| EP0217100A2 (en) * | 1985-08-24 | 1987-04-08 | Nohmi Bosai Ltd. | An ionization-type smoke detector |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH475614A (de) * | 1968-06-18 | 1969-07-15 | Cerberus Ag Werke Fuer Elektro | Ionisationsfeuermelder |
| CH486082A (de) * | 1969-05-19 | 1970-02-15 | Cerberus Ag | Ionisationsfeuermelder |
| US3728706A (en) * | 1970-09-28 | 1973-04-17 | Gen Signal Corp | System for indicating aerosols in the atmosphere |
| IL52357A (en) * | 1976-07-02 | 1979-11-30 | Chloride Group Ltd | Ionisation detector chamber |
| GB2014782B (en) * | 1978-01-05 | 1982-06-23 | Sound Diffusion Ltd | Ionization smoke detectors |
| JPS569053U (en]) * | 1979-06-30 | 1981-01-26 | ||
| US4396840A (en) * | 1980-10-01 | 1983-08-02 | Matsushita Electric Works, Ltd. | Ionization type smoke sensing device |
| US4623878A (en) * | 1982-06-28 | 1986-11-18 | Henry Schoenwetter | Christmas tree mounted smoke detector |
-
1987
- 1987-12-26 JP JP1987198632U patent/JPH01102991U/ja active Pending
-
1988
- 1988-12-15 AU AU26892/88A patent/AU606771B2/en not_active Ceased
- 1988-12-15 FI FI885805A patent/FI91196C/fi not_active IP Right Cessation
- 1988-12-16 US US07/285,802 patent/US4914425A/en not_active Expired - Lifetime
- 1988-12-20 CH CH4710/88A patent/CH677160A5/fr not_active IP Right Cessation
- 1988-12-21 AT AT0312688A patent/AT402576B/de not_active IP Right Cessation
- 1988-12-22 DE DE3843297A patent/DE3843297C2/de not_active Expired - Fee Related
- 1988-12-22 GB GB8830036A patent/GB2212657B/en not_active Expired - Lifetime
- 1988-12-23 FR FR8817096A patent/FR2625353B1/fr not_active Expired - Fee Related
- 1988-12-27 NO NO885774A patent/NO173674C/no not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4234877A (en) * | 1978-08-26 | 1980-11-18 | Hochiki Corporation | Ion type smoke sensor |
| EP0217100A2 (en) * | 1985-08-24 | 1987-04-08 | Nohmi Bosai Ltd. | An ionization-type smoke detector |
Also Published As
| Publication number | Publication date |
|---|---|
| NO885774L (no) | 1989-06-27 |
| FR2625353A1 (fr) | 1989-06-30 |
| CH677160A5 (en]) | 1991-04-15 |
| DE3843297C2 (de) | 1997-12-18 |
| DE3843297A1 (de) | 1989-07-13 |
| FI885805A0 (fi) | 1988-12-15 |
| FR2625353B1 (fr) | 1995-01-13 |
| AU2689288A (en) | 1989-06-29 |
| GB8830036D0 (en) | 1989-02-15 |
| US4914425A (en) | 1990-04-03 |
| FI885805L (fi) | 1989-06-27 |
| NO173674C (no) | 1994-01-12 |
| GB2212657B (en) | 1992-03-25 |
| NO173674B (no) | 1993-10-04 |
| AU606771B2 (en) | 1991-02-14 |
| GB2212657A (en) | 1989-07-26 |
| FI91196C (fi) | 1994-05-25 |
| ATA312688A (de) | 1996-10-15 |
| JPH01102991U (en]) | 1989-07-12 |
| FI91196B (fi) | 1994-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |