GB1437075A - Gas detectors - Google Patents

Gas detectors

Info

Publication number
GB1437075A
GB1437075A GB3076272A GB3076272A GB1437075A GB 1437075 A GB1437075 A GB 1437075A GB 3076272 A GB3076272 A GB 3076272A GB 3076272 A GB3076272 A GB 3076272A GB 1437075 A GB1437075 A GB 1437075A
Authority
GB
United Kingdom
Prior art keywords
bead
temperature
concentration
resistance
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
GB3076272A
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.)
NAT RES DEV
National Research Development Corp UK
Original Assignee
NAT RES DEV
National Research Development Corp UK
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 NAT RES DEV, National Research Development Corp UK filed Critical NAT RES DEV
Priority to GB3076272A priority Critical patent/GB1437075A/en
Priority to DE19732333270 priority patent/DE2333270A1/de
Priority to FR7324239A priority patent/FR2237545A5/fr
Publication of GB1437075A publication Critical patent/GB1437075A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB3076272A 1972-06-30 1972-06-30 Gas detectors Expired GB1437075A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB3076272A GB1437075A (en) 1972-06-30 1972-06-30 Gas detectors
DE19732333270 DE2333270A1 (de) 1972-06-30 1973-06-29 Gasdetektor
FR7324239A FR2237545A5 (enrdf_load_stackoverflow) 1972-06-30 1973-07-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3076272A GB1437075A (en) 1972-06-30 1972-06-30 Gas detectors

Publications (1)

Publication Number Publication Date
GB1437075A true GB1437075A (en) 1976-05-26

Family

ID=10312753

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3076272A Expired GB1437075A (en) 1972-06-30 1972-06-30 Gas detectors

Country Status (3)

Country Link
DE (1) DE2333270A1 (enrdf_load_stackoverflow)
FR (1) FR2237545A5 (enrdf_load_stackoverflow)
GB (1) GB1437075A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0001509A1 (en) * 1977-10-05 1979-04-18 Ford Motor Company Limited Variably resistive gas sensor and method of fabrication
DE3611596A1 (de) * 1986-03-04 1987-09-10 Proton Ag Messsonde zur bestimmung fluechtiger bestandteile eines fluessigen mediums
CN110988050A (zh) * 2019-12-10 2020-04-10 武汉微纳传感技术有限公司 一种带温度感测功能的mems气体传感器及其制备方法
CN110988049A (zh) * 2019-12-10 2020-04-10 武汉微纳传感技术有限公司 一种催化燃烧式mems气体传感器及其工作方法
CN110988051A (zh) * 2019-12-10 2020-04-10 武汉微纳传感技术有限公司 一种双模式mems气体传感器及其工作方法
CN111537664A (zh) * 2020-05-07 2020-08-14 江苏集萃智能集成电路设计技术研究所有限公司 催化式多气体传感系统
CN114245872A (zh) * 2019-06-11 2022-03-25 Msa技术有限公司 具有单独污染物检测元件的气体传感器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946198A (en) * 1974-07-01 1976-03-23 Ford Motor Company Electrical control system for an exhaust gas sensor
AU5734580A (en) * 1979-04-20 1980-10-23 Ametek, Inc. Measuring combustibles in a gas
CA1164944A (en) * 1980-01-02 1984-04-03 International Gas Detectors Limited Gas sensor elements and methods of manufacturing them
US5494826A (en) * 1994-04-18 1996-02-27 Gas Research Institute, Inc. Microcalorimeter sensor for the measurement of heat content of natural gas

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0001509A1 (en) * 1977-10-05 1979-04-18 Ford Motor Company Limited Variably resistive gas sensor and method of fabrication
DE3611596A1 (de) * 1986-03-04 1987-09-10 Proton Ag Messsonde zur bestimmung fluechtiger bestandteile eines fluessigen mediums
US4869873A (en) * 1986-03-04 1989-09-26 Dr. W. Ingold Ag Measuring probe for determining volatile consitituents in a liquid medium
CN114245872A (zh) * 2019-06-11 2022-03-25 Msa技术有限公司 具有单独污染物检测元件的气体传感器
CN110988050A (zh) * 2019-12-10 2020-04-10 武汉微纳传感技术有限公司 一种带温度感测功能的mems气体传感器及其制备方法
CN110988049A (zh) * 2019-12-10 2020-04-10 武汉微纳传感技术有限公司 一种催化燃烧式mems气体传感器及其工作方法
CN110988051A (zh) * 2019-12-10 2020-04-10 武汉微纳传感技术有限公司 一种双模式mems气体传感器及其工作方法
CN111537664A (zh) * 2020-05-07 2020-08-14 江苏集萃智能集成电路设计技术研究所有限公司 催化式多气体传感系统

Also Published As

Publication number Publication date
FR2237545A5 (enrdf_load_stackoverflow) 1975-02-07
DE2333270A1 (de) 1974-01-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee