GB547452A - Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gas - Google Patents

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

Info

Publication number
GB547452A
GB547452A GB6992/41A GB699241A GB547452A GB 547452 A GB547452 A GB 547452A GB 6992/41 A GB6992/41 A GB 6992/41A GB 699241 A GB699241 A GB 699241A GB 547452 A GB547452 A GB 547452A
Authority
GB
United Kingdom
Prior art keywords
vessel
gas
porous
filament
ring
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
GB6992/41A
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 BE472732D priority Critical patent/BE472732A/xx
Application filed by Individual filed Critical Individual
Priority to GB6992/41A priority patent/GB547452A/en
Publication of GB547452A publication Critical patent/GB547452A/en
Priority to FR945506D priority patent/FR945506A/fr
Priority to US743260A priority patent/US2534796A/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)
  • Sampling And Sample Adjustment (AREA)
GB6992/41A 1941-05-31 1941-05-31 Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gas Expired GB547452A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE472732D BE472732A (enrdf_load_stackoverflow) 1941-05-31
GB6992/41A GB547452A (en) 1941-05-31 1941-05-31 Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gas
FR945506D FR945506A (fr) 1941-05-31 1947-04-19 Appareil utilisable notamment dans les mines pour indiquer la présence de vapeurs ou gaz inflammables
US743260A US2534796A (en) 1941-05-31 1947-04-23 Apparatus for indicating the presence of inflammable vapors or gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6992/41A GB547452A (en) 1941-05-31 1941-05-31 Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gas

Publications (1)

Publication Number Publication Date
GB547452A true GB547452A (en) 1942-08-27

Family

ID=9824573

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6992/41A Expired GB547452A (en) 1941-05-31 1941-05-31 Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gas

Country Status (4)

Country Link
US (1) US2534796A (enrdf_load_stackoverflow)
BE (1) BE472732A (enrdf_load_stackoverflow)
FR (1) FR945506A (enrdf_load_stackoverflow)
GB (1) GB547452A (enrdf_load_stackoverflow)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1174370A (en) * 1915-04-12 1916-03-07 Henry Roberts Webster Gas-detecting apparatus.
US1652448A (en) * 1923-03-26 1927-12-13 Martienssen Oscar Fire-damp indicator
GB276234A (en) * 1926-10-23 1927-08-25 Hermann Sewerin Improved gas indicator
GB357017A (en) * 1929-11-29 1931-09-17 Jules Gaston Daloz Improvements in and relating to eudiometric apparatus especially to those for measuring firedamp
US2109355A (en) * 1933-08-29 1938-02-22 Clarence H Lank Liquid level gauge
GB484194A (en) * 1936-08-01 1938-05-02 Henry Thomas Ringrose Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gases

Also Published As

Publication number Publication date
US2534796A (en) 1950-12-19
FR945506A (fr) 1949-05-06
BE472732A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
NL102073C (enrdf_load_stackoverflow)
GB547452A (en) Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gas
GB754496A (en) An improved air-purifier, more particularly for damping the noise at suction
GB397815A (en) Improvements in and relating to gas detectors
GB588954A (en) Improvements in or relating to gas or vapour detector devices
GB711133A (en) Improvements in or relating to apparatus for indicating the presence of explosive orinflammable vapours or gases
GB829595A (en) Improvements relating to gas burners
GB586530A (en) Improvements in or relating to apparatus responsive to the presence of non-condensible gases in vapours
ES246419A3 (es) Un dispositivo de filtro para liquidos volatiles.
GB1044609A (en) Improvements in or relating to apparatus for containing molten material in contact with a gaseous atmosphere
ES257689A1 (es) Un quemador de gas butano para aparatos de calefacciën
GB553318A (en) Improvements relating to gas testing apparatus
FR1043619A (fr) Appareil de contrôle du vide d'une enceinte et de détection des fuites de gaz de celle-ci
GB819574A (en) A new or improved gas-conditioning device
ES47160U (es) Caña valvular para cubiertas de neumático sin cámara
GB616772A (en) Apparatus for dispersing ethereal oils and the like in air through vaporization
GB451041A (en) An indicator for locating punctures in pneumatic or gas tubes
GB714030A (en) Improvements relating to air cleaner units
ES233414A1 (es) UN SISTEMA DE CIERRE PARA UNA ABERTURA EN UN RECIPIENTE SOMETIDO A ALTA PRESIoN INTERNA
GB728350A (en) Improvements in or relating to incandescent pressure lamps
GB887167A (en) A pressure responsive device and vented seal therefor
GB344287A (en) Improvements in or relating to apparatus for indicating the presence of inflammable vapours or gases
GB685383A (en) Improvements in or relating to pressure lamps
GB998814A (en) Improvements in or relating to liquid fuel burners
GB767127A (en) Method for indicating the content of a volatile combustible liquid in a mixture containing said liquid, and apparatus therefor