GB1065134A - Automatic device for measuring methane content in underground mines - Google Patents

Automatic device for measuring methane content in underground mines

Info

Publication number
GB1065134A
GB1065134A GB2642765A GB2642765A GB1065134A GB 1065134 A GB1065134 A GB 1065134A GB 2642765 A GB2642765 A GB 2642765A GB 2642765 A GB2642765 A GB 2642765A GB 1065134 A GB1065134 A GB 1065134A
Authority
GB
United Kingdom
Prior art keywords
methane
concentration
wire
relay
measuring
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
GB2642765A
Other languages
English (en)
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.)
Glowny Instytut Gornictwa
Original Assignee
Glowny Instytut Gornictwa
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 PL104960A external-priority patent/PL51800B1/pl
Application filed by Glowny Instytut Gornictwa filed Critical Glowny Instytut Gornictwa
Publication of GB1065134A publication Critical patent/GB1065134A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/16Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB2642765A 1964-06-22 1965-06-22 Automatic device for measuring methane content in underground mines Expired GB1065134A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL104960A PL51800B1 (de) 1964-06-22

Publications (1)

Publication Number Publication Date
GB1065134A true GB1065134A (en) 1967-04-12

Family

ID=19942615

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2642765A Expired GB1065134A (en) 1964-06-22 1965-06-22 Automatic device for measuring methane content in underground mines

Country Status (3)

Country Link
BE (1) BE665686A (de)
DE (1) DE1598482C3 (de)
GB (1) GB1065134A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2511506A1 (fr) * 1981-08-12 1983-02-18 Auergesellschaft Gmbh Montage pour un appareil servant a mesurer et a afficher la concentration de gaz et de vapeurs combustibles contenus dans l'air

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109945189B (zh) * 2019-03-20 2023-09-05 中国矿业大学 一种改进主管的低浓度瓦斯脉动燃烧器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2511506A1 (fr) * 1981-08-12 1983-02-18 Auergesellschaft Gmbh Montage pour un appareil servant a mesurer et a afficher la concentration de gaz et de vapeurs combustibles contenus dans l'air

Also Published As

Publication number Publication date
BE665686A (de) 1965-10-18
DE1598482A1 (de) 1970-04-16
DE1598482C3 (de) 1975-03-27
DE1598482B2 (de) 1974-08-08

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