GB721077A - Improvements in or relating to instruments for the analysis of combustible gases - Google Patents

Improvements in or relating to instruments for the analysis of combustible gases

Info

Publication number
GB721077A
GB721077A GB30920/52A GB3092052A GB721077A GB 721077 A GB721077 A GB 721077A GB 30920/52 A GB30920/52 A GB 30920/52A GB 3092052 A GB3092052 A GB 3092052A GB 721077 A GB721077 A GB 721077A
Authority
GB
United Kingdom
Prior art keywords
chambers
determined
instruments
relating
analysis
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
GB30920/52A
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Publication of GB721077A publication Critical patent/GB721077A/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
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
    • G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
    • G01N25/28—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly
    • G01N25/30—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using electric temperature-responsive elements
    • G01N25/32—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the rise in temperature of the gases resulting from combustion being measured directly using electric temperature-responsive elements using thermoelectric elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (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 Using Thermal Means (AREA)

Abstract

<PICT:0721077/III/1> Combustible constituents of a gas are determined by passing the gas mixed with air successively through two chambers 15, 16 preferably set in a solid block 1, the chambers being preheated by coils (not shown) to the same temperature which is higher than the ignition temperature of the constituent to be determined and may be below the ignition temperature of another constituent not to be determined. Combustion occurring in the first chamber 15 causes a rise in temperature which is determined e.g. by a multiple thermo-couple, the junctions 12 of which are in thermal contact with the walls of the two chambers, or by resistance thermometers inside or outside the chambers.
GB30920/52A 1951-12-05 1952-12-05 Improvements in or relating to instruments for the analysis of combustible gases Expired GB721077A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE721077X 1951-12-05

Publications (1)

Publication Number Publication Date
GB721077A true GB721077A (en) 1954-12-29

Family

ID=6629112

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30920/52A Expired GB721077A (en) 1951-12-05 1952-12-05 Improvements in or relating to instruments for the analysis of combustible gases

Country Status (2)

Country Link
FR (1) FR1067474A (en)
GB (1) GB721077A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010020306A1 (en) * 2008-08-19 2010-02-25 Rolls-Royce Fuel Cell Systems Limited A method for inferring temperature in an enclosed volume

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1046916B (en) * 1956-01-24 1958-12-18 Junkalor Dessau Explosion warning device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010020306A1 (en) * 2008-08-19 2010-02-25 Rolls-Royce Fuel Cell Systems Limited A method for inferring temperature in an enclosed volume
US9450260B2 (en) 2008-08-19 2016-09-20 Lg Fuel Cell Systems Inc. Method for inferring temperature in an enclosed volume

Also Published As

Publication number Publication date
FR1067474A (en) 1954-06-16

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