CA1063208A - Incipient fire detector - Google Patents
Incipient fire detectorInfo
- Publication number
- CA1063208A CA1063208A CA194,750A CA194750A CA1063208A CA 1063208 A CA1063208 A CA 1063208A CA 194750 A CA194750 A CA 194750A CA 1063208 A CA1063208 A CA 1063208A
- Authority
- CA
- Canada
- Prior art keywords
- particulates
- collector
- incipient fire
- tube
- fire detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000002245 particle Substances 0.000 claims abstract description 13
- 239000013078 crystal Substances 0.000 claims description 54
- 239000012530 fluid Substances 0.000 claims description 37
- 230000008859 change Effects 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 17
- 230000004044 response Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 231100001261 hazardous Toxicity 0.000 abstract description 3
- 230000035559 beat frequency Effects 0.000 description 7
- 230000010355 oscillation Effects 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000005653 Brownian motion process Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005537 brownian motion Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 241001163743 Perlodes Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/036—Analysing fluids by measuring frequency or resonance of acoustic waves
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/025—Change of phase or condition
- G01N2291/0256—Adsorption, desorption, surface mass change, e.g. on biosensors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
- Emergency Alarm Devices (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/350,091 US3953844A (en) | 1973-04-11 | 1973-04-11 | Incipient fire detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1063208A true CA1063208A (en) | 1979-09-25 |
Family
ID=23375208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA194,750A Expired CA1063208A (en) | 1973-04-11 | 1974-03-12 | Incipient fire detector |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3953844A (enExample) |
| JP (1) | JPS49131696A (enExample) |
| CA (1) | CA1063208A (enExample) |
| DE (1) | DE2415889C3 (enExample) |
| FR (1) | FR2225797B1 (enExample) |
| GB (1) | GB1446397A (enExample) |
| IT (1) | IT1007859B (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4035788A (en) * | 1976-01-15 | 1977-07-12 | Celesco Industries Inc. | Incipient fire detector |
| JPS5345198A (en) * | 1976-10-05 | 1978-04-22 | Matsushita Electric Works Ltd | Smoke sensor |
| FR2391742A1 (fr) * | 1977-05-23 | 1978-12-22 | Brunswick Corp | Detecteur de debut d'incendie |
| DE2724510C2 (de) * | 1977-05-31 | 1985-04-11 | Brunswick Corp., Skokie, Ill. | Frühwarnfeuermelder |
| US4223559A (en) * | 1978-05-09 | 1980-09-23 | Brunswick Corporation | Apparatus and methods for detecting an incipient fire condition |
| US4282520A (en) * | 1978-10-25 | 1981-08-04 | Shipp John I | Piezoelectric horn and a smoke detector containing same |
| US4254414A (en) * | 1979-03-22 | 1981-03-03 | The United States Of America As Represented By The Secretary Of The Navy | Processor-aided fire detector |
| EP0022444B1 (en) * | 1979-07-04 | 1983-10-12 | Kidde-Graviner Limited | Improvements in and relating to the detection of particles in a gaseous medium |
| GB8307410D0 (en) * | 1983-03-17 | 1983-04-27 | Secr Social Service Brit | Determining presence of contaminant in gaseous carrier |
| CH662421A5 (de) * | 1983-07-13 | 1987-09-30 | Suisse Horlogerie Rech Lab | Piezoelektrischer kontaminationsdetektor. |
| JPH0644319B2 (ja) * | 1986-06-30 | 1994-06-08 | 清水建設株式会社 | クリ−ンル−ムにおける防災用多段階警報設備 |
| DE3643813A1 (de) * | 1986-12-20 | 1988-07-07 | Werner Wildeboer | Rauchmelder fuer eine lueftungsleitung |
| US4785288A (en) * | 1987-07-31 | 1988-11-15 | Allen-Bradley Company, Inc. | Modular smoke detector |
| US4782334A (en) * | 1987-08-13 | 1988-11-01 | Meaney Thomas A | Vapor or gas detector and alarm system |
| US4879546A (en) * | 1987-11-30 | 1989-11-07 | Kent-Moore Corporation | Ultrasonic hand-held refrigerant leak detector |
| US4980672A (en) * | 1989-10-17 | 1990-12-25 | Generation 2, Inc. | Overhead socket smoke detector with theft alarm |
| US5734335A (en) * | 1989-12-20 | 1998-03-31 | Finmeccanica S.P.A. | Forest surveillance and monitoring system for the early detection and reporting of forest fires |
| US6753786B1 (en) | 2000-08-11 | 2004-06-22 | Walter Kidde Portable Equipment, Inc. | Microprocessor-based combination smoke and carbon monoxide detector having intelligent hush feature |
| JP3729181B2 (ja) * | 2003-03-14 | 2005-12-21 | セイコーエプソン株式会社 | 測定方法及び測定信号出力回路並びに測定装置 |
| US7049824B2 (en) * | 2003-03-27 | 2006-05-23 | International Business Machines Corporation | Differential particulate detection system for electronic devices |
| JP5585792B2 (ja) * | 2011-10-26 | 2014-09-10 | Ｔｄｋ株式会社 | 粉体センサ |
| JP5472652B2 (ja) * | 2011-12-19 | 2014-04-16 | Ｔｄｋ株式会社 | 粉体センサ |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB796010A (en) * | 1953-08-28 | 1958-06-04 | Kent Ltd G | Improvements in gas sampling apparatus |
| DE1171310B (de) * | 1960-02-26 | 1964-05-27 | Cerberus Ag | Feuermelder mit einem Aerosol-Indikator zur Feststellung von in Luft schwebenden Verbrennungsprodukten |
| US3289481A (en) * | 1964-12-24 | 1966-12-06 | Hays Corp | Gas sampling device |
| DE1936590C3 (de) * | 1969-07-18 | 1973-12-13 | Total Foerstner & Co, 6802 Ladenburg | Verfahren und Schaltungsanordnung zum Ermitteln des Auslosezeitpunktes einer Reaktion an einem Orte auf eine mit kon stanter Geschwindigkeit sich auf diesen Ort hin bewegenden Aktion |
| US3653253A (en) * | 1970-01-05 | 1972-04-04 | Thermo Systems Inc | Aerosol mass concentration spectrometer |
| US3715911A (en) * | 1970-05-11 | 1973-02-13 | Susquehanna Corp | Apparatus for sensing air-borne particulate matter |
-
1973
- 1973-04-11 US US05/350,091 patent/US3953844A/en not_active Expired - Lifetime
-
1974
- 1974-03-12 CA CA194,750A patent/CA1063208A/en not_active Expired
- 1974-03-21 GB GB1256174A patent/GB1446397A/en not_active Expired
- 1974-03-21 FR FR7409670A patent/FR2225797B1/fr not_active Expired
- 1974-03-22 JP JP49031608A patent/JPS49131696A/ja active Pending
- 1974-04-02 DE DE2415889A patent/DE2415889C3/de not_active Expired
- 1974-04-11 IT IT21278/74A patent/IT1007859B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2225797B1 (enExample) | 1978-04-21 |
| DE2415889A1 (de) | 1974-10-24 |
| DE2415889C3 (de) | 1982-02-11 |
| FR2225797A1 (enExample) | 1974-11-08 |
| GB1446397A (en) | 1976-08-18 |
| IT1007859B (it) | 1976-10-30 |
| US3953844A (en) | 1976-04-27 |
| JPS49131696A (enExample) | 1974-12-17 |
| DE2415889B2 (de) | 1981-05-27 |
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