FR2301007A1 - Procede et dispositif pour determiner la composition et la vitesse des gaz - Google Patents
Procede et dispositif pour determiner la composition et la vitesse des gazInfo
- Publication number
- FR2301007A1 FR2301007A1 FR7522657A FR7522657A FR2301007A1 FR 2301007 A1 FR2301007 A1 FR 2301007A1 FR 7522657 A FR7522657 A FR 7522657A FR 7522657 A FR7522657 A FR 7522657A FR 2301007 A1 FR2301007 A1 FR 2301007A1
- Authority
- FR
- France
- Prior art keywords
- gases
- determining
- composition
- speed
- 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.)
- Granted
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)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2505669A DE2505669B2 (de) | 1975-02-11 | 1975-02-11 | Verfahren und Gasanalysator zur Messung der Wärmeleitfähigkeit eines Gasgemisches |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2301007A1 true FR2301007A1 (fr) | 1976-09-10 |
FR2301007B1 FR2301007B1 (xx) | 1980-01-25 |
Family
ID=5938587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7522657A Granted FR2301007A1 (fr) | 1975-02-11 | 1975-07-21 | Procede et dispositif pour determiner la composition et la vitesse des gaz |
Country Status (6)
Country | Link |
---|---|
DE (1) | DE2505669B2 (xx) |
DK (1) | DK255875A (xx) |
FR (1) | FR2301007A1 (xx) |
GB (1) | GB1544818A (xx) |
NL (1) | NL7506344A (xx) |
SE (1) | SE426990B (xx) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4849636A (en) * | 1988-05-18 | 1989-07-18 | Mine Safety Appliances Company | Analyzer with compensation |
DE102005000964B3 (de) * | 2005-01-07 | 2006-07-06 | Dräger Medical AG & Co. KG | Vorrichtung und Verfahren zur Messung einer Volumenstromdifferenz |
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 (de) * | 2016-09-30 | 2018-11-07 | Siemens Aktiengesellschaft | Wärmeleitfähigkeitsdetektor für gasgemische mit mindestens drei komponenten |
-
1975
- 1975-02-11 DE DE2505669A patent/DE2505669B2/de active Granted
- 1975-05-29 NL NL7506344A patent/NL7506344A/xx not_active Application Discontinuation
- 1975-06-06 DK DK255875A patent/DK255875A/da unknown
- 1975-07-21 FR FR7522657A patent/FR2301007A1/fr active Granted
- 1975-10-01 SE SE7511016A patent/SE426990B/xx not_active IP Right Cessation
-
1976
- 1976-02-11 GB GB5472/76A patent/GB1544818A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2301007B1 (xx) | 1980-01-25 |
DK255875A (da) | 1976-08-12 |
SE7511016L (sv) | 1976-08-12 |
NL7506344A (nl) | 1976-08-13 |
DE2505669C3 (xx) | 1979-08-02 |
DE2505669B2 (de) | 1978-11-23 |
DE2505669A1 (de) | 1976-09-02 |
GB1544818A (en) | 1979-04-25 |
SE426990B (sv) | 1983-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |