CA1237505A - Detector apparatus of inflammable gas - Google Patents

Detector apparatus of inflammable gas

Info

Publication number
CA1237505A
CA1237505A CA000402237A CA402237A CA1237505A CA 1237505 A CA1237505 A CA 1237505A CA 000402237 A CA000402237 A CA 000402237A CA 402237 A CA402237 A CA 402237A CA 1237505 A CA1237505 A CA 1237505A
Authority
CA
Canada
Prior art keywords
detector element
bridge circuit
inflammable gas
gas
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
Application number
CA000402237A
Other languages
English (en)
French (fr)
Inventor
Franco M. Conte
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1237505A publication Critical patent/CA1237505A/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
    • G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Emergency Alarm Devices (AREA)
  • Control Of Combustion (AREA)
CA000402237A 1981-05-05 1982-05-04 Detector apparatus of inflammable gas Expired CA1237505A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT09399/81A IT1167878B (it) 1981-05-05 1981-05-05 Apparecchio rivelatore di gas infiammabile
IT9399-A/81 1981-05-05

Publications (1)

Publication Number Publication Date
CA1237505A true CA1237505A (en) 1988-05-31

Family

ID=11129547

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000402237A Expired CA1237505A (en) 1981-05-05 1982-05-04 Detector apparatus of inflammable gas

Country Status (21)

Country Link
EP (1) EP0065497B1 (enrdf_load_stackoverflow)
JP (2) JPS57186160A (enrdf_load_stackoverflow)
AR (1) AR228973A1 (enrdf_load_stackoverflow)
AT (1) ATE15562T1 (enrdf_load_stackoverflow)
AU (2) AU8322682A (enrdf_load_stackoverflow)
BR (1) BR8202411A (enrdf_load_stackoverflow)
CA (1) CA1237505A (enrdf_load_stackoverflow)
DE (1) DE3266133D1 (enrdf_load_stackoverflow)
DK (1) DK159167C (enrdf_load_stackoverflow)
ES (1) ES511787A0 (enrdf_load_stackoverflow)
FI (1) FI75430C (enrdf_load_stackoverflow)
GR (1) GR75842B (enrdf_load_stackoverflow)
IE (1) IE52445B1 (enrdf_load_stackoverflow)
IL (1) IL65497A0 (enrdf_load_stackoverflow)
IT (1) IT1167878B (enrdf_load_stackoverflow)
MX (1) MX151271A (enrdf_load_stackoverflow)
NO (1) NO153236C (enrdf_load_stackoverflow)
NZ (1) NZ200307A (enrdf_load_stackoverflow)
PT (1) PT74843B (enrdf_load_stackoverflow)
YU (1) YU44342B (enrdf_load_stackoverflow)
ZA (1) ZA823039B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1198606B (it) * 1983-05-17 1988-12-21 Controfugas Srl Apparecchio rivelatore di gas infiammabile ad intervento precondizionato
JPS6071999U (ja) * 1983-10-21 1985-05-21 矢崎総業株式会社 ガス警報器
NO317999B3 (no) 2002-06-28 2010-07-05 Sts Gruppen As Anordning for sikring av driften av et habitat

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221320A (en) * 1961-04-13 1965-11-30 Komyo Rikagaku Kogyo Kabushiki Gas alarm circuit
US3482233A (en) * 1967-04-13 1969-12-02 Eastern Co Gas detector system
BE788001A (fr) * 1971-11-01 1973-02-26 T J Connelly Construction Cy I Circuit sensible a la fumee, avec batterie de secours
US3950739A (en) * 1974-10-30 1976-04-13 Campman James P Detector for detecting and locating the source of a contaminating gas or smoke in the atmosphere
GB1474700A (en) * 1974-12-16 1977-05-25 Neotronics Ltd Device for detecting and indicating the presence in a fluid environment of a potentially dangerous constituent
JPS5216987U (enrdf_load_stackoverflow) * 1975-07-24 1977-02-05
JPS5511496Y2 (enrdf_load_stackoverflow) * 1975-11-17 1980-03-12
JPS5433185U (enrdf_load_stackoverflow) * 1977-08-09 1979-03-05

Also Published As

Publication number Publication date
FI75430B (fi) 1988-02-29
FI821569A0 (fi) 1982-05-05
NO153236B (no) 1985-10-28
IE52445B1 (en) 1987-10-28
JPS57186160A (en) 1982-11-16
GR75842B (enrdf_load_stackoverflow) 1984-08-02
ATE15562T1 (de) 1985-09-15
DK159167B (da) 1990-09-10
PT74843A (en) 1982-06-01
YU44342B (en) 1990-06-30
IT8109399A0 (it) 1981-05-05
DK185582A (da) 1982-11-06
AU8322682A (en) 1982-11-11
EP0065497B1 (fr) 1985-09-11
NO153236C (no) 1986-02-05
MX151271A (es) 1984-10-29
FI75430C (fi) 1988-06-09
AU1843388A (en) 1988-09-22
DE3266133D1 (en) 1985-10-17
YU94582A (en) 1985-03-20
JPH0424439Y2 (enrdf_load_stackoverflow) 1992-06-09
FI821569L (fi) 1982-11-06
IE821010L (en) 1982-11-05
NO821461L (no) 1982-11-08
IT1167878B (it) 1987-05-20
IL65497A0 (en) 1982-07-30
BR8202411A (pt) 1983-04-12
PT74843B (en) 1983-12-02
EP0065497A1 (fr) 1982-11-24
ZA823039B (en) 1983-03-30
DK159167C (da) 1991-02-11
JPH0374352U (enrdf_load_stackoverflow) 1991-07-25
AR228973A1 (es) 1983-05-13
ES8304343A1 (es) 1983-02-16
NZ200307A (en) 1985-05-31
ES511787A0 (es) 1983-02-16

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Legal Events

Date Code Title Description
MKEX Expiry