NL127048C - - Google Patents

Info

Publication number
NL127048C
NL127048C NL127048DA NL127048C NL 127048 C NL127048 C NL 127048C NL 127048D A NL127048D A NL 127048DA NL 127048 C NL127048 C NL 127048C
Authority
NL
Netherlands
Application number
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.)
Publication of NL127048C publication Critical patent/NL127048C/xx

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)
NL127048D 1960-02-05 NL127048C (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4242/60A GB980169A (en) 1960-02-05 1960-02-05 Improvements in and relating to gas detecting apparatus

Publications (1)

Publication Number Publication Date
NL127048C true NL127048C (sv)

Family

ID=9773410

Family Applications (2)

Application Number Title Priority Date Filing Date
NL260653D NL260653A (sv) 1960-02-05
NL127048D NL127048C (sv) 1960-02-05

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL260653D NL260653A (sv) 1960-02-05

Country Status (4)

Country Link
US (1) US3237181A (sv)
DE (1) DE1294707B (sv)
GB (1) GB980169A (sv)
NL (2) NL127048C (sv)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1281722B (de) * 1965-02-19 1968-10-31 Auergesellschaft M B H Geraet zur Messung der Konzentration brennbarer Gase und Daempfe
US3478574A (en) * 1965-05-24 1969-11-18 Abcor Inc Thermal conductivity detector
CH546988A (de) * 1971-07-15 1974-03-15 Cerberus Ag Automatischer feuermelder.
US3793605A (en) * 1971-07-16 1974-02-19 Signetics Corp Ion sensitive solid state device and method
US3771960A (en) * 1971-07-28 1973-11-13 Ambac Ind Gas analyzer
US3788124A (en) * 1971-12-20 1974-01-29 A Teton Gas concentration measuring
JPS4898195U (sv) * 1973-02-10 1973-11-20
US3926558A (en) * 1973-07-05 1975-12-16 Robert E Davis Method for measuring conversion efficiency of catalysts
US4146887A (en) * 1977-08-05 1979-03-27 American Optical Corporation Respirator cartridge end-of-service life indicator
FR2434389A1 (fr) * 1978-08-25 1980-03-21 Charbonnages De France Appareil de mesure d'un constituant d'une atmosphere
DE3132297C2 (de) * 1981-08-12 1985-05-15 Auergesellschaft Gmbh, 1000 Berlin Schaltungsanordnung für ein Gerät zur Messung und Anzeige der Konzentration von in Luft enthaltenen brennbaren Gasen und Dämpfen
GB2105849B (en) * 1981-09-11 1985-05-15 Coal Ind Electrical gas analyser for sensing at least two gases
DE3638789A1 (de) * 1986-06-09 1987-12-10 American Sterilizer Co Konzentrationssensor sowie konzentrationsregelanordnung
US5184500A (en) * 1990-03-20 1993-02-09 J And N Associates, Inc. Gas detector
US5347223A (en) * 1993-01-22 1994-09-13 J And N Associates, Inc. Gas leak detector sensing tip with interior concentric bores and corona current generation
US5831146A (en) * 1996-05-09 1998-11-03 Cts Corporation Gas sensor with multiple exposed active elements
US5804703A (en) * 1997-06-09 1998-09-08 General Motors Corporation Circuit for a combustible gas sensor
US6148659A (en) * 1998-10-08 2000-11-21 Traina; John E. Gas concentration monitor having a bridge configured flow system
DE10153823C1 (de) 2001-11-05 2003-01-23 Walterscheid Gmbh Gkn Kuppelhilfe zum Ankuppeln von gezogenen Geräten oder Anhängern, die eine Deichsel aufweisen, an einen Traktor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE410661C (de) * 1922-09-29 1925-03-12 Nautische Instr G M B H Ges Schlagwetteranzeiger
US1798977A (en) * 1927-12-05 1931-03-31 Union Carbide Corp Head for gas detectors
US1955897A (en) * 1928-01-09 1934-04-24 Electro Metallurg Co Protection device for gas detecting apparatus
US1756793A (en) * 1928-08-01 1930-04-29 Oxweld Acetylene Co Head for gas detectors
DE657747C (de) * 1932-04-10 1938-03-11 Eduard Hibou Vorrichtung zur Anzeige brennbarer Gase
GB574601A (en) * 1944-02-07 1946-01-11 Ralph Poole Improvements in or relating to apparatus for detecting explosive gases
GB587934A (en) * 1944-04-06 1947-05-09 Cities Service Oil Co Improvements in gas analyzers
GB589691A (en) * 1945-03-27 1947-06-26 Ralph Poole Improvements in or relating to apparatus for detecting the presence of explosive or other dangerous gases
DE1719993U (de) * 1955-11-30 1956-04-05 Charbonnages De France Quantitativ arbeitendes pruefgeraet fuer brennbare gase.
US2904406A (en) * 1956-05-04 1959-09-15 Nat Lead Co Hydrocarbon detection

Also Published As

Publication number Publication date
NL260653A (sv)
US3237181A (en) 1966-02-22
DE1294707B (de) 1969-05-08
GB980169A (en) 1965-01-13

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