GB682663A - Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gases - Google Patents

Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gases

Info

Publication number
GB682663A
GB682663A GB963647A GB963647A GB682663A GB 682663 A GB682663 A GB 682663A GB 963647 A GB963647 A GB 963647A GB 963647 A GB963647 A GB 963647A GB 682663 A GB682663 A GB 682663A
Authority
GB
United Kingdom
Prior art keywords
filament
diaphragm
switch
gases
inflammable
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
GB963647A
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.)
Individual
Original Assignee
Individual
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 to BE517125D priority Critical patent/BE517125A/xx
Application filed by Individual filed Critical Individual
Priority to GB963647A priority patent/GB682663A/en
Priority to DER5671A priority patent/DE916859C/de
Publication of GB682663A publication Critical patent/GB682663A/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
    • G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
    • G01N7/10—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing diffusion of components through a porous wall and measuring a pressure or volume difference
    • G01N7/12—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing diffusion of components through a porous wall and measuring a pressure or volume difference the diffusion being followed by combustion or catalytic oxidation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (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)
  • Emergency Alarm Devices (AREA)
  • Feeding And Controlling Fuel (AREA)
GB963647A 1947-04-11 1947-04-11 Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gases Expired GB682663A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE517125D BE517125A (enrdf_load_stackoverflow) 1947-04-11
GB963647A GB682663A (en) 1947-04-11 1947-04-11 Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gases
DER5671A DE916859C (de) 1947-04-11 1951-04-01 Geraet zum Anzeigen entzuendbarer Gase

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB963647A GB682663A (en) 1947-04-11 1947-04-11 Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gases

Publications (1)

Publication Number Publication Date
GB682663A true GB682663A (en) 1952-11-12

Family

ID=9875818

Family Applications (1)

Application Number Title Priority Date Filing Date
GB963647A Expired GB682663A (en) 1947-04-11 1947-04-11 Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gases

Country Status (3)

Country Link
BE (1) BE517125A (enrdf_load_stackoverflow)
DE (1) DE916859C (enrdf_load_stackoverflow)
GB (1) GB682663A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE517125A (enrdf_load_stackoverflow)
DE916859C (de) 1954-08-19

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