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

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14Investigating 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
    • G01N27/16Investigating 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 (de)

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 (de)

Family

ID=9773410

Family Applications (2)

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

Family Applications After (1)

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

Country Status (4)

Country Link
US (1) US3237181A (de)
DE (1) DE1294707B (de)
GB (1) GB980169A (de)
NL (2) NL260653A (de)

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 (de) * 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
GB980169A (en) 1965-01-13
NL260653A (de)
DE1294707B (de) 1969-05-08
US3237181A (en) 1966-02-22

Similar Documents

Publication Publication Date Title
BE609442A (de)
JPS37007012B1 (de)
BE641378A (de)
BE602100A (de)
BE597854A (de)
BE600141A (de)
BE600873A (de)
BE601348A (de)
BE601542A (de)
BE601546A (de)
BE601606A (de)
BE601742A (de)
BE601903A (de)
BE674600A (de)
BE602901A (de)
BE603712A (de)
BE604458A (de)
BE604487A (de)
BE604938A (de)
BE604945A (de)
BE605181A (de)
BE605223A (de)
BE605373A (de)
BE605948A (de)
BE606303A (de)