GB212852A - Improvements in apparatus for testing gas mixtures - Google Patents

Improvements in apparatus for testing gas mixtures

Info

Publication number
GB212852A
GB212852A GB2875923A GB2875923A GB212852A GB 212852 A GB212852 A GB 212852A GB 2875923 A GB2875923 A GB 2875923A GB 2875923 A GB2875923 A GB 2875923A GB 212852 A GB212852 A GB 212852A
Authority
GB
United Kingdom
Prior art keywords
gas
passages
changes
block
arms
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
GB2875923A
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
Priority to GB2875923A priority Critical patent/GB212852A/en
Publication of GB212852A publication Critical patent/GB212852A/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
    • G01N27/18—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 changes in the thermal conductivity of a surrounding material to be tested
    • G01N27/185—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 changes in the thermal conductivity of a surrounding material to be tested using a catharometer

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)

Abstract

212,852. Marks, E. C. R., (Siemens & Halske Akt.-Ges.). Nov. 14, 1923. Gas analysis.-Relates to apparatus for testing flue gases &c. in which the changes of resistance in an electrically-heated conductor, due to variations in the cooling effect arising from changes in composition in the gas, are utilized to give an indication of such changes in composition. The electrically-heated conductor 11, 12 constituting the two arms of a Wheatstone's bridge, is placed in passages 7, 8 in one block of metal, and the other pair of arms 9, 10 are placed in a standard gas and in passages 5, 6 in another block of metal. The gas to be tested is passed through a passage 15 bored through the firstmentioned block and communicating with the passages 7, 8, through small openings 14 so that the flow of gas along the wires 11, 12, is considerably less than that along the passage 15. Specifications 124,453 and 127,656 are referred to.
GB2875923A 1923-11-14 1923-11-14 Improvements in apparatus for testing gas mixtures Expired GB212852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2875923A GB212852A (en) 1923-11-14 1923-11-14 Improvements in apparatus for testing gas mixtures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2875923A GB212852A (en) 1923-11-14 1923-11-14 Improvements in apparatus for testing gas mixtures

Publications (1)

Publication Number Publication Date
GB212852A true GB212852A (en) 1924-03-20

Family

ID=10280675

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2875923A Expired GB212852A (en) 1923-11-14 1923-11-14 Improvements in apparatus for testing gas mixtures

Country Status (1)

Country Link
GB (1) GB212852A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5143469A (en) * 1990-08-03 1992-09-01 Bendix Italia Retention socket for a pivot

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5143469A (en) * 1990-08-03 1992-09-01 Bendix Italia Retention socket for a pivot

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