NL7506344A - METHOD AND GAS ANALYZER FOR DETERMINING THE COMPOSITION AND FLOW SPEED OF GASES. - Google Patents

METHOD AND GAS ANALYZER FOR DETERMINING THE COMPOSITION AND FLOW SPEED OF GASES.

Info

Publication number
NL7506344A
NL7506344A NL7506344A NL7506344A NL7506344A NL 7506344 A NL7506344 A NL 7506344A NL 7506344 A NL7506344 A NL 7506344A NL 7506344 A NL7506344 A NL 7506344A NL 7506344 A NL7506344 A NL 7506344A
Authority
NL
Netherlands
Prior art keywords
gases
determining
composition
flow speed
gas analyzer
Prior art date
Application number
NL7506344A
Other languages
Dutch (nl)
Original Assignee
Draegerwerk Ag
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 Draegerwerk Ag filed Critical Draegerwerk Ag
Publication of NL7506344A publication Critical patent/NL7506344A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
    • G01P5/12—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables using variation of resistance of a heated conductor
    • 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
    • G01N27/18—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 changes in the thermal conductivity of a surrounding material to be tested

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
NL7506344A 1975-02-11 1975-05-29 METHOD AND GAS ANALYZER FOR DETERMINING THE COMPOSITION AND FLOW SPEED OF GASES. NL7506344A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2505669A DE2505669B2 (en) 1975-02-11 1975-02-11 Method and gas analyzer for measuring the thermal conductivity of a gas mixture

Publications (1)

Publication Number Publication Date
NL7506344A true NL7506344A (en) 1976-08-13

Family

ID=5938587

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7506344A NL7506344A (en) 1975-02-11 1975-05-29 METHOD AND GAS ANALYZER FOR DETERMINING THE COMPOSITION AND FLOW SPEED OF GASES.

Country Status (6)

Country Link
DE (1) DE2505669B2 (en)
DK (1) DK255875A (en)
FR (1) FR2301007A1 (en)
GB (1) GB1544818A (en)
NL (1) NL7506344A (en)
SE (1) SE426990B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4849636A (en) * 1988-05-18 1989-07-18 Mine Safety Appliances Company Analyzer with compensation
DE102005000964B3 (en) * 2005-01-07 2006-07-06 Dräger Medical AG & Co. KG Apparatus for measuring a flow quantity difference between an inspiratory incoming flow and an expiratory outgoing flow in a breathing apparatus using the ouputs of a voltage splitter
EP2204555B1 (en) 2009-01-02 2011-08-03 Sensirion AG Ammonia storage system
EP2392898B1 (en) 2010-06-04 2017-12-13 Sensirion AG Sensor system
EP3301441B1 (en) * 2016-09-30 2018-11-07 Siemens Aktiengesellschaft Thermal conductivity detector for gas mixtures having at least three components

Also Published As

Publication number Publication date
DE2505669A1 (en) 1976-09-02
DE2505669B2 (en) 1978-11-23
SE426990B (en) 1983-02-21
FR2301007A1 (en) 1976-09-10
DK255875A (en) 1976-08-12
DE2505669C3 (en) 1979-08-02
SE7511016L (en) 1976-08-12
FR2301007B1 (en) 1980-01-25
GB1544818A (en) 1979-04-25

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed