GB1065134A - Automatic device for measuring methane content in underground mines - Google Patents
Automatic device for measuring methane content in underground minesInfo
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/14—Investigating 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
- G01N27/16—Investigating 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)
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)
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)
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 |
-
1965
- 1965-06-21 BE BE665686D patent/BE665686A/xx unknown
- 1965-06-22 GB GB2642765A patent/GB1065134A/en not_active Expired
- 1965-06-22 DE DE19651598482 patent/DE1598482C3/de not_active Expired
Cited By (1)
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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