GB2138566B - Thermal mass flow sensor for fluids - Google Patents
Thermal mass flow sensor for fluidsInfo
- Publication number
- GB2138566B GB2138566B GB08310273A GB8310273A GB2138566B GB 2138566 B GB2138566 B GB 2138566B GB 08310273 A GB08310273 A GB 08310273A GB 8310273 A GB8310273 A GB 8310273A GB 2138566 B GB2138566 B GB 2138566B
- Authority
- GB
- United Kingdom
- Prior art keywords
- fluids
- mass flow
- flow sensor
- thermal mass
- thermal
- 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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Measuring Volume Flow (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08310273A GB2138566B (en) | 1983-04-15 | 1983-04-15 | Thermal mass flow sensor for fluids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08310273A GB2138566B (en) | 1983-04-15 | 1983-04-15 | Thermal mass flow sensor for fluids |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8310273D0 GB8310273D0 (en) | 1983-05-18 |
GB2138566A GB2138566A (en) | 1984-10-24 |
GB2138566B true GB2138566B (en) | 1987-01-28 |
Family
ID=10541169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08310273A Expired GB2138566B (en) | 1983-04-15 | 1983-04-15 | Thermal mass flow sensor for fluids |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2138566B (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4594889A (en) * | 1984-12-06 | 1986-06-17 | Ford Motor Company | Mass airflow sensor |
US4685331A (en) * | 1985-04-10 | 1987-08-11 | Innovus | Thermal mass flowmeter and controller |
DE3527868A1 (en) * | 1985-08-02 | 1987-02-12 | Schmidt Feintechnik Gmbh | METHOD AND MEASURING PROBE FOR PROBING THE LEVEL OF THE MASS CURRENT, THE FLUID TYPE, THE FLUID COMPOSITION OR THE LIKE IN A CONTAINER, PIPE OR THE LIKE CONTAINING ONE OR MORE FLUIDS |
GB8523684D0 (en) * | 1985-09-25 | 1985-10-30 | Imi Pactrol | Flow sensing device |
DE3606851A1 (en) * | 1986-03-03 | 1987-09-10 | Vdo Schindling | ARRANGEMENT FOR MEASURING THE FLOW RATE |
CN1009579B (en) * | 1986-11-18 | 1990-09-12 | 张开逊 | Pn conjunction senser relative with the temperature changing |
US4712996A (en) * | 1986-11-21 | 1987-12-15 | Emerson Electric Co. | Gas burner control system with mass flow sensor |
US4771271A (en) * | 1987-03-11 | 1988-09-13 | Ford Motor Company | Silicon based low level liquid sensor having a fast response time |
GB9127337D0 (en) * | 1991-12-24 | 1992-02-19 | Toleman Bernard J | System for measuring fluid flow |
GB2283328B (en) * | 1993-10-26 | 1998-03-25 | Stephen David Marshall | Fluid speed monitor |
DE19603346A1 (en) * | 1996-01-31 | 1997-08-07 | Bosch Gmbh Robert | Device for determining the throughput of a flowing medium |
US6208254B1 (en) | 1999-09-15 | 2001-03-27 | Fluid Components Intl | Thermal dispersion mass flow rate and liquid level switch/transmitter |
WO2005071367A1 (en) * | 2004-01-08 | 2005-08-04 | Analog Devices, Inc. | Anemometer circuit |
EP2330391A1 (en) | 2009-12-02 | 2011-06-08 | ABB Research Ltd. | Flowmeters and methods for diagnosis of sensor units |
DE102017210152A1 (en) * | 2017-06-19 | 2018-12-20 | Ab Elektronik Sachsen Gmbh | Device for detecting media |
DE102017210153A1 (en) | 2017-06-19 | 2018-12-20 | Ab Elektronik Sachsen Gmbh | Device for level detection of media in containers |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL177629C (en) * | 1979-07-09 | 1985-10-16 | Brooks Instr Bv | DIRECTIONAL SENSITIVE FLOW SPEEDOMETER. |
-
1983
- 1983-04-15 GB GB08310273A patent/GB2138566B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2138566A (en) | 1984-10-24 |
GB8310273D0 (en) | 1983-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
746 | Register noted 'licences of right' (sect. 46/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |