DE3565720D1 - Pick-up for a fluid flow at the thermal-transition point - Google Patents
Pick-up for a fluid flow at the thermal-transition pointInfo
- Publication number
- DE3565720D1 DE3565720D1 DE8585401365T DE3565720T DE3565720D1 DE 3565720 D1 DE3565720 D1 DE 3565720D1 DE 8585401365 T DE8585401365 T DE 8585401365T DE 3565720 T DE3565720 T DE 3565720T DE 3565720 D1 DE3565720 D1 DE 3565720D1
- Authority
- DE
- Germany
- Prior art keywords
- pick
- thermal
- fluid flow
- transition point
- transition
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
- G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
- G01F1/69—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
- G01F1/692—Thin-film arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
- G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
- G01F1/6986—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters with pulsed heating, e.g. dynamic methods
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8410926A FR2567642B1 (fr) | 1984-07-10 | 1984-07-10 | Capteur de debit de fluide a point de transition thermique |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3565720D1 true DE3565720D1 (en) | 1988-11-24 |
Family
ID=9305959
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585401365T Expired DE3565720D1 (en) | 1984-07-10 | 1985-07-05 | Pick-up for a fluid flow at the thermal-transition point |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0170575B1 (de) |
DE (1) | DE3565720D1 (de) |
FR (1) | FR2567642B1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8901602A (nl) * | 1989-06-23 | 1991-01-16 | Bronkhorst High Tech Bv | Geintegreerde halfgeleider-schakeling voor thermische metingen. |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1665309B2 (de) * | 1966-01-03 | 1971-10-28 | Metrofinanz Ets | Biegsames widerstandsmaterial fuer flaechenheizwiderstaende |
DE2013483C3 (de) * | 1970-03-20 | 1974-04-18 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Vorrichtung zum Messen und/oder Überwachen von Temperaturen, Niveauhöhen und/oder Strömungszuständen flüssiger oder gasförmiger Medien |
US4017715A (en) * | 1975-08-04 | 1977-04-12 | Raychem Corporation | Temperature overshoot heater |
DE2444511C3 (de) * | 1974-09-18 | 1981-07-30 | Volkswagenwerk Ag, 3180 Wolfsburg | Thermischer Strömungsmesser für gasförmige Medien |
US4043195A (en) * | 1975-03-13 | 1977-08-23 | Hunting Curtis J | Digital thermodynamic flow-meter |
-
1984
- 1984-07-10 FR FR8410926A patent/FR2567642B1/fr not_active Expired
-
1985
- 1985-07-05 DE DE8585401365T patent/DE3565720D1/de not_active Expired
- 1985-07-05 EP EP19850401365 patent/EP0170575B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2567642A1 (fr) | 1986-01-17 |
FR2567642B1 (fr) | 1989-08-04 |
EP0170575A1 (de) | 1986-02-05 |
EP0170575B1 (de) | 1988-10-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |