CA1012629A - Multi-zone incipient or actual fire and/or dangerous gas detection system - Google Patents

Multi-zone incipient or actual fire and/or dangerous gas detection system

Info

Publication number
CA1012629A
CA1012629A CA134,049A CA134049A CA1012629A CA 1012629 A CA1012629 A CA 1012629A CA 134049 A CA134049 A CA 134049A CA 1012629 A CA1012629 A CA 1012629A
Authority
CA
Canada
Prior art keywords
incipient
zone
detection system
gas detection
dangerous gas
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
Application number
CA134,049A
Other languages
English (en)
Other versions
CA134049S (en
Inventor
Frederick A. Ludewig (Jr.)
Frank W. Van Luik (Jr.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Environment One Corp
Original Assignee
Environment One Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Environment One Corp filed Critical Environment One Corp
Application granted granted Critical
Publication of CA1012629A publication Critical patent/CA1012629A/en
Expired legal-status Critical Current

Links

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
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/065—Investigating concentration of particle suspensions using condensation nuclei counters

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA134,049A 1971-02-08 1972-02-07 Multi-zone incipient or actual fire and/or dangerous gas detection system Expired CA1012629A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11328471A 1971-02-08 1971-02-08

Publications (1)

Publication Number Publication Date
CA1012629A true CA1012629A (en) 1977-06-21

Family

ID=22348571

Family Applications (1)

Application Number Title Priority Date Filing Date
CA134,049A Expired CA1012629A (en) 1971-02-08 1972-02-07 Multi-zone incipient or actual fire and/or dangerous gas detection system

Country Status (9)

Country Link
US (1) US3678487A (de)
AR (1) AR194221A1 (de)
BR (1) BR7200699D0 (de)
CA (1) CA1012629A (de)
CH (1) CH549251A (de)
DE (1) DE2205634A1 (de)
FR (1) FR2124548B1 (de)
GB (1) GB1383041A (de)
IT (1) IT947364B (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4223559A (en) * 1978-05-09 1980-09-23 Brunswick Corporation Apparatus and methods for detecting an incipient fire condition
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
US4499377A (en) * 1982-09-29 1985-02-12 Acme Engineering Products Ltd. Detection and control system based on ambient air quality
US4608556A (en) * 1983-07-04 1986-08-26 Cole Martin T Smoke detection apparatus
US4636774A (en) * 1983-11-08 1987-01-13 American District Telegraph Company Variable sensitivity motion detector
US4764758A (en) * 1987-07-01 1988-08-16 Environment/One Corporation Incipient fire detector II
US4967187A (en) * 1989-05-15 1990-10-30 Research Equipment Corporation Method and apparatus for particle concentration detection using a cloud chamber
US5103212A (en) * 1989-07-03 1992-04-07 Worcester Polytechnic Institute Balanced fluid flow delivery system
US5072626A (en) * 1989-07-14 1991-12-17 Research Triangle Institute Measurement of ultrafine particle size distributions
US5253538A (en) * 1991-04-26 1993-10-19 Dryden Engineering Co., Inc. Method and device for quantifying particles on a surface
WO1993023736A1 (en) * 1992-05-11 1993-11-25 I.E.I. Pty. Ltd. Improvements relating to smoke detection scanning apparatus
AU670082B2 (en) * 1992-05-11 1996-07-04 Vision Systems Limited Improvements relating to smoke detection scanning apparatus
GB2277625B (en) * 1993-04-30 1996-08-28 Kidde Fire Protection Ltd Particle detecting apparatus and systems
WO1995005594A1 (en) * 1993-08-19 1995-02-23 Venturedyne Limited Particle sensor with low-pressure-drop air flow system
US5703299A (en) * 1996-06-21 1997-12-30 Corona Energy Partners, Ltd. Exhaust stack sensor probe
US6053058A (en) * 1996-09-30 2000-04-25 Dainippon Screen Mfg. Co., Ltd. Atmosphere concentration monitoring for substrate processing apparatus and life determination for atmosphere processing unit of substrate processing apparatus
GB9910540D0 (en) * 1999-05-08 1999-07-07 Airsense Technology Ltd Method and apparatus
NO20001092L (no) * 2000-03-02 2001-09-03 John Arntsen Anordning ved deteksjon av royk
US6307478B1 (en) * 2000-12-23 2001-10-23 Nat Thompson Multi-zone gas detection system
US7417553B2 (en) * 2004-11-30 2008-08-26 Young Scott G Surface mount or low profile hazardous condition detector
US20070169948A1 (en) * 2006-01-26 2007-07-26 C. Cretors And Company Fire containment system
JP4932567B2 (ja) * 2007-03-30 2012-05-16 能美防災株式会社 煙感知器及びそのサンプリングエア供給方法
US9111426B2 (en) * 2012-07-09 2015-08-18 Sfjc, Llc Recreational smoking monitor system for use in occupied spaces
EP3069331B1 (de) * 2013-11-14 2019-06-12 Xtralis Global Verbesserungen an ventilen mit mehrpunktabtastung
CN110613912A (zh) * 2018-06-19 2019-12-27 山东省科学院自动化研究所 一种小空间火灾极早期检测与无损灭火装置及方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2034281A (en) * 1929-12-16 1936-03-17 Kidde & Co Walter Installation for the detection of suspended matter in fluids
FR839709A (fr) * 1937-12-11 1939-04-11 Materiel Telephonique Système d'analyse et de contrôle d'une atmosphère ou milieu fluide analogue
US2860250A (en) * 1950-12-26 1958-11-11 Phillips Petroleum Co Fluid analyzer
FR1293247A (fr) * 1957-01-03 1962-05-11 Gen Electric Détecteur de noyaux de condensation
US3254332A (en) * 1963-03-18 1966-05-31 Specialties Dev Corp Indication repeating apparatus
FR1590331A (de) * 1968-10-30 1970-04-13
US3618061A (en) * 1969-04-30 1971-11-02 Eaton Yale & Towne Monitoring apparatus for monitoring the density of a material carried by a fluid and the flow of the fluid
US3588481A (en) * 1969-05-01 1971-06-28 Daniel Ind Inc Digital multiplying circuit
US3632210A (en) * 1969-06-19 1972-01-04 Environment One Corp Variable rate continuous flow condensation nuclei meter having adjustable expansion period and improved gain

Also Published As

Publication number Publication date
FR2124548A1 (de) 1972-09-22
IT947364B (it) 1973-05-21
DE2205634A1 (de) 1972-08-31
BR7200699D0 (pt) 1973-05-31
FR2124548B1 (de) 1978-02-10
US3678487A (en) 1972-07-18
GB1383041A (en) 1975-02-05
AR194221A1 (es) 1973-06-29
CH549251A (de) 1974-05-15

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