FI60615C - I en roerledning anordnad detektor med minst tvao ljuskaensliga element foer indikering av heta partiklar - Google Patents

I en roerledning anordnad detektor med minst tvao ljuskaensliga element foer indikering av heta partiklar Download PDF

Info

Publication number
FI60615C
FI60615C FI1257/73A FI125773A FI60615C FI 60615 C FI60615 C FI 60615C FI 1257/73 A FI1257/73 A FI 1257/73A FI 125773 A FI125773 A FI 125773A FI 60615 C FI60615 C FI 60615C
Authority
FI
Finland
Prior art keywords
ljuskaensliga
indikering
partiklar
heta
tva
Prior art date
Application number
FI1257/73A
Other languages
English (en)
Finnish (fi)
Other versions
FI60615B (fi
Inventor
Kurt Eskil Tibbling
Original Assignee
Pak Construction Ab
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 Pak Construction Ab filed Critical Pak Construction Ab
Publication of FI60615B publication Critical patent/FI60615B/fi
Application granted granted Critical
Publication of FI60615C publication Critical patent/FI60615C/fi

Links

Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/60—Pipe-line systems wet, i.e. containing extinguishing material even when not in use
    • A62C35/605—Pipe-line systems wet, i.e. containing extinguishing material even when not in use operating and sounding alarm automatically
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/04—Fire prevention, containment or extinguishing specially adapted for particular objects or places for dust or loosely-baled or loosely-piled materials, e.g. in silos, in chimneys

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FI1257/73A 1972-04-24 1973-04-18 I en roerledning anordnad detektor med minst tvao ljuskaensliga element foer indikering av heta partiklar FI60615C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE05380/72A SE364588B (fr) 1972-04-24 1972-04-24
SE538072 1972-04-24

Publications (2)

Publication Number Publication Date
FI60615B FI60615B (fi) 1981-10-30
FI60615C true FI60615C (fi) 1982-02-10

Family

ID=20266340

Family Applications (1)

Application Number Title Priority Date Filing Date
FI1257/73A FI60615C (fi) 1972-04-24 1973-04-18 I en roerledning anordnad detektor med minst tvao ljuskaensliga element foer indikering av heta partiklar

Country Status (8)

Country Link
US (1) US3824392A (fr)
DE (1) DE2319033C3 (fr)
DK (1) DK142735B (fr)
FI (1) FI60615C (fr)
FR (1) FR2182486A5 (fr)
GB (1) GB1397158A (fr)
NO (1) NO131525C (fr)
SE (1) SE364588B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896311A (en) * 1974-01-02 1975-07-22 Minnesota Mining & Mfg Pyroelectric motion and temperature sensitive infrared detector with conductive fingers
US3958118A (en) * 1975-02-03 1976-05-18 Security Organization Supreme-Sos-Inc. Intrusion detection devices employing multiple scan zones
DE2852971C2 (de) * 1978-12-07 1985-02-14 Preussag Ag Feuerschutz, 2060 Bad Oldesloe Feuermelder
US4520343A (en) * 1980-12-16 1985-05-28 Hiroshi Koh Lift control system
JPS57125496A (en) * 1981-01-27 1982-08-04 Fujitec Kk Condition detector
US5196689A (en) * 1990-10-16 1993-03-23 Pioneer Electronic Corporation Device for detecting an object including a light-sensitive detecting array
GB9215757D0 (en) * 1992-07-24 1992-09-09 Bridisco Ltd A pir sensor device
SE501123C2 (sv) * 1993-10-08 1994-11-21 Firefly Ab Detektorarrangemang
US5548276A (en) 1993-11-30 1996-08-20 Alan E. Thomas Localized automatic fire extinguishing apparatus
USRE39081E1 (en) * 1993-11-30 2006-05-02 Alan E. Thomas Localized automatic fire extinguishing apparatus
SE515579C2 (sv) * 1998-12-29 2001-09-03 Firefly Ab Detektorarrangemang för att detektera partiklar som kan orsaka brand eller explosion i en partikelström
DE10249743A1 (de) * 2002-10-25 2004-05-06 Forschungsgesellschaft für angewandte Systemsicherheit und Arbeitsmedizin e.V. Vorrichtung zum Erkennen von Glimmnestern
EP2244237B1 (fr) 2009-04-21 2012-07-04 Minimax GmbH & Co. KG Dispositif de reconnaissance et d'alerte de survenues d'incendies avec des matériaux inflammables
US9162095B2 (en) 2011-03-09 2015-10-20 Alan E. Thomas Temperature-based fire detection
ES2978879T3 (es) * 2013-12-03 2024-09-23 Atexon Oy Detección de chispas
SE541639C2 (en) 2018-02-23 2019-11-19 Firefly Ab Determination of risk level for particles
SE541656C2 (en) 2018-02-23 2019-11-19 Firefly Ab Monitoring of particle temperature trends

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2016036A (en) * 1932-02-04 1935-10-01 Gerald Alan S Fits Photo-electric system
US2198725A (en) * 1937-12-09 1940-04-30 Hammond V Hayes Alarm system
US2653309A (en) * 1950-03-09 1953-09-22 Gen Electric Object detection
US2931913A (en) * 1953-01-02 1960-04-05 Jr Geary A Long Radiation receiver
US2774961A (en) * 1954-08-30 1956-12-18 Orlando Carl Moving object indicator
US3036219A (en) * 1958-05-01 1962-05-22 Arthur V Thompson Passive radiation proximity detector
US3727057A (en) * 1962-06-15 1973-04-10 Westinghouse Electric Corp Infrared detector device with a mosaic of oppositely-poled adjacent elements
US3480775A (en) * 1964-08-17 1969-11-25 Gen Dynamics Corp Radiation sensitive omnidirectional motion detector system
US3399307A (en) * 1965-05-20 1968-08-27 Bell & Howell Co Motion sensing exposure system for optical instruments

Also Published As

Publication number Publication date
FI60615B (fi) 1981-10-30
FR2182486A5 (fr) 1973-12-07
DE2319033B2 (de) 1977-09-22
NO131525B (fr) 1975-03-03
DE2319033C3 (de) 1978-05-11
DK142735B (da) 1981-01-05
US3824392A (en) 1974-07-16
SE364588B (fr) 1974-02-25
GB1397158A (en) 1975-06-11
DK142735C (fr) 1981-08-10
DE2319033A1 (de) 1973-11-15
NO131525C (fr) 1975-06-11

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