Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456
GB2138573B - Catalytic gas detection systems - Google Patents
[go: Go Back, main page]

GB2138573B - Catalytic gas detection systems - Google Patents

Catalytic gas detection systems

Info

Publication number
GB2138573B
GB2138573B GB08411808A GB8411808A GB2138573B GB 2138573 B GB2138573 B GB 2138573B GB 08411808 A GB08411808 A GB 08411808A GB 8411808 A GB8411808 A GB 8411808A GB 2138573 B GB2138573 B GB 2138573B
Authority
GB
United Kingdom
Prior art keywords
gas detection
detection systems
catalytic gas
catalytic
systems
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
GB08411808A
Other versions
GB2138573A (en
GB8411808D0 (en
Inventor
Ronald Wilson
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
Priority claimed from GB8201618A external-priority patent/GB2091882B/en
Application filed by NAT RES DEV, National Research Development Corp UK filed Critical NAT RES DEV
Priority to GB08411808A priority Critical patent/GB2138573B/en
Publication of GB8411808D0 publication Critical patent/GB8411808D0/en
Publication of GB2138573A publication Critical patent/GB2138573A/en
Application granted granted Critical
Publication of GB2138573B publication Critical patent/GB2138573B/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • 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)
GB08411808A 1981-01-26 1984-05-09 Catalytic gas detection systems Expired GB2138573B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08411808A GB2138573B (en) 1981-01-26 1984-05-09 Catalytic gas detection systems

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8102233 1981-01-26
GB8201618A GB2091882B (en) 1981-01-26 1982-01-20 Electrical catalytic gas detection systems
GB08411808A GB2138573B (en) 1981-01-26 1984-05-09 Catalytic gas detection systems

Publications (3)

Publication Number Publication Date
GB8411808D0 GB8411808D0 (en) 1984-06-13
GB2138573A GB2138573A (en) 1984-10-24
GB2138573B true GB2138573B (en) 1985-05-22

Family

ID=27261100

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08411808A Expired GB2138573B (en) 1981-01-26 1984-05-09 Catalytic gas detection systems

Country Status (1)

Country Link
GB (1) GB2138573B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030156988A1 (en) * 2000-06-02 2003-08-21 Sondergaard Lars Moller Filament controller
AU746609B2 (en) * 2000-06-02 2002-05-02 Austech Instruments Pty Limited A filament controller
GB2369437A (en) * 2000-11-28 2002-05-29 Graviner Ltd Kidde An LED based temperature sensor
ES2238184B8 (en) * 2004-02-09 2014-06-05 Consejo Superior De Investigaciones Cientificas PROCEDURE AND DEVICE FOR MEASURING THE POWER DISSIPED BY THE HYDRURATION REACTION IN TUBULAR TUBES AND PODS AND THE CORRESPONDING VARIATION OF ELECTRICAL RESISTANCE.

Also Published As

Publication number Publication date
GB2138573A (en) 1984-10-24
GB8411808D0 (en) 1984-06-13

Similar Documents

Publication Publication Date Title
GB8407663D0 (en) Muffler system
DE3268657D1 (en) Catalytic gas reformer
GB2109268B (en) Gas purifiers
GB2154326B (en) Fluid detection system
DE3274015D1 (en) Pattern detection system
GB2104697B (en) Testing systems
GB2114344B (en) Fire detection system
GB2091882B (en) Electrical catalytic gas detection systems
GB8332006D0 (en) Fission gas detection system
GB2125218B (en) Catalytic gas sensor reference element
DE3267604D1 (en) Cation emission type halogenated hydrocarbon gas detecting element
GB2113828B (en) Inspection systems
DE3264660D1 (en) Exhaust gas catalyst
GB8519971D0 (en) Gas detection systems
GB2095014B (en) Alarm system
GB2138573B (en) Catalytic gas detection systems
GB2121180B (en) Catalytic combustible-gas detectors
ZA824450B (en) Hot gas system
GB2125554B (en) Catalytic gas detector
GB2112151B (en) Excess gas flow detectors
GB2101310B (en) Gas detection apparatus
GB2110851B (en) Radiopaging systems
JPS57129126A (en) Frequency detecting system
JPS57166653A (en) Error detection system
GB8304838D0 (en) Gas detection

Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930120