FR2556469B3 - APPARATUS FOR GAS CONTROL - Google Patents

APPARATUS FOR GAS CONTROL

Info

Publication number
FR2556469B3
FR2556469B3 FR8319959A FR8319959A FR2556469B3 FR 2556469 B3 FR2556469 B3 FR 2556469B3 FR 8319959 A FR8319959 A FR 8319959A FR 8319959 A FR8319959 A FR 8319959A FR 2556469 B3 FR2556469 B3 FR 2556469B3
Authority
FR
France
Prior art keywords
gas control
gas
control
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
FR8319959A
Other languages
French (fr)
Other versions
FR2556469A1 (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
Application filed by Individual filed Critical Individual
Priority to FR8319959A priority Critical patent/FR2556469B3/en
Priority to EP19850900133 priority patent/EP0164386A1/en
Priority to PCT/FR1984/000288 priority patent/WO1985002680A2/en
Priority to JP50451084A priority patent/JPS61500631A/en
Publication of FR2556469A1 publication Critical patent/FR2556469A1/en
Application granted granted Critical
Publication of FR2556469B3 publication Critical patent/FR2556469B3/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
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
FR8319959A 1983-12-07 1983-12-07 APPARATUS FOR GAS CONTROL Expired FR2556469B3 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR8319959A FR2556469B3 (en) 1983-12-07 1983-12-07 APPARATUS FOR GAS CONTROL
EP19850900133 EP0164386A1 (en) 1983-12-07 1984-12-06 Gas testing apparatus
PCT/FR1984/000288 WO1985002680A2 (en) 1983-12-07 1984-12-06 Gas testing apparatus
JP50451084A JPS61500631A (en) 1983-12-07 1984-12-06 gas test equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8319959A FR2556469B3 (en) 1983-12-07 1983-12-07 APPARATUS FOR GAS CONTROL

Publications (2)

Publication Number Publication Date
FR2556469A1 FR2556469A1 (en) 1985-06-14
FR2556469B3 true FR2556469B3 (en) 1987-06-05

Family

ID=9295126

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8319959A Expired FR2556469B3 (en) 1983-12-07 1983-12-07 APPARATUS FOR GAS CONTROL

Country Status (4)

Country Link
EP (1) EP0164386A1 (en)
JP (1) JPS61500631A (en)
FR (1) FR2556469B3 (en)
WO (1) WO1985002680A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803843A (en) * 1988-02-12 1989-02-14 Carrier Corporation Low pressure refrigerant contaminant tester

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2795223A (en) * 1952-08-06 1957-06-11 Drager Otto H Apparatus for sampling the human breath
US3114610A (en) * 1961-05-17 1963-12-17 Martin Marietta Corp Continuous sampling gas analyzer
DE2143282C3 (en) * 1971-08-30 1980-12-04 Draegerwerk Ag, 2400 Luebeck Gas detector or dust detector and measuring device
US3870469A (en) * 1973-04-30 1975-03-11 Nalco Chemical Co Apparatus and method for monitoring the presence of volatile organic lead compounds
DE2848337A1 (en) * 1978-11-08 1980-05-22 Draegerwerk Ag RESPIRATORY ALCOHOL TEST

Also Published As

Publication number Publication date
JPS61500631A (en) 1986-04-03
WO1985002680A3 (en) 1985-08-01
WO1985002680A2 (en) 1985-06-20
EP0164386A1 (en) 1985-12-18
FR2556469A1 (en) 1985-06-14

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Legal Events

Date Code Title Description
ST Notification of lapse