AU510944B2 - Combustible gas detector - Google Patents

Combustible gas detector

Info

Publication number
AU510944B2
AU510944B2 AU31248/77A AU3124877A AU510944B2 AU 510944 B2 AU510944 B2 AU 510944B2 AU 31248/77 A AU31248/77 A AU 31248/77A AU 3124877 A AU3124877 A AU 3124877A AU 510944 B2 AU510944 B2 AU 510944B2
Authority
AU
Australia
Prior art keywords
combustible gas
gas detector
detector
combustible
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
AU31248/77A
Other versions
AU3124877A (en
Inventor
J. F. and Hadi H Burr
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.)
Consolidation Coal Co
Original Assignee
Consolidation Coal Co
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
Priority claimed from US05/750,877 external-priority patent/US4064498A/en
Application filed by Consolidation Coal Co filed Critical Consolidation Coal Co
Publication of AU3124877A publication Critical patent/AU3124877A/en
Application granted granted Critical
Publication of AU510944B2 publication Critical patent/AU510944B2/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • G01N33/0009General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0062General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
    • G01N33/0063General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/117Actuation 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)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Food Science & Technology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Alarm Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
AU31248/77A 1976-12-15 1977-12-05 Combustible gas detector Expired AU510944B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
USUS750,877 1976-12-15
US05/750,877 US4064498A (en) 1975-10-28 1976-12-15 Electrical circuitry for detecting a combustible mixture of gas in a mine atmosphere

Publications (2)

Publication Number Publication Date
AU3124877A AU3124877A (en) 1979-06-14
AU510944B2 true AU510944B2 (en) 1980-07-24

Family

ID=25019511

Family Applications (1)

Application Number Title Priority Date Filing Date
AU31248/77A Expired AU510944B2 (en) 1976-12-15 1977-12-05 Combustible gas detector

Country Status (5)

Country Link
AU (1) AU510944B2 (en)
DE (1) DE2755337A1 (en)
FR (1) FR2374637A2 (en)
GB (1) GB1592506A (en)
ZA (1) ZA777399B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3126864C2 (en) * 1981-07-08 1986-01-02 Rheinische Braunkohlenwerke AG, 5000 Köln Process for the early detection of smoldering fires in containers containing lignite dust
DE3132297C2 (en) * 1981-08-12 1985-05-15 Auergesellschaft Gmbh, 1000 Berlin Circuit arrangement for a device for measuring and displaying the concentration of flammable gases and vapors contained in air
US4465318A (en) * 1981-10-13 1984-08-14 Coal Industry (Patents) Limited Rotary cutting head for mining machines with means for inducing airflow and sensing thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1579535A (en) * 1968-03-21 1969-08-29
BE762753A (en) * 1971-02-10 1971-07-16 Inst Tekhn Teplofiziki Akademi Measurement of combustible gas and vapour concentration
GB1419361A (en) * 1974-03-26 1975-12-31 Gen Monitors Multi-channel combustible gas detector
DE2457650A1 (en) * 1974-12-06 1976-06-10 Bosch Gmbh Robert DEVICE FOR CHECKING GASES

Also Published As

Publication number Publication date
FR2374637B2 (en) 1984-09-14
GB1592506A (en) 1981-07-08
AU3124877A (en) 1979-06-14
DE2755337A1 (en) 1978-06-22
FR2374637A2 (en) 1978-07-13
ZA777399B (en) 1978-10-25

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