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GB2138566B - Thermal mass flow sensor for fluids - Google Patents

Thermal mass flow sensor for fluids

Info

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
Application number
GB08310273A
Other versions
GB2138566A (en
GB8310273D0 (en
Inventor
David William Satchell
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB08310273A priority Critical patent/GB2138566B/en
Publication of GB8310273D0 publication Critical patent/GB8310273D0/en
Publication of GB2138566A publication Critical patent/GB2138566A/en
Application granted granted Critical
Publication of GB2138566B publication Critical patent/GB2138566B/en
Expired legal-status Critical Current

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)
GB08310273A 1983-04-15 1983-04-15 Thermal mass flow sensor for fluids Expired GB2138566B (en)

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)

* Cited by examiner, † Cited by third party
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
US7140263B2 (en) 2004-01-08 2006-11-28 Analog Devices, Inc. Anemometer circuit
EP2330391A1 (en) 2009-12-02 2011-06-08 ABB Research Ltd. Flowmeters and methods for diagnosis of sensor units
DE102017210153A1 (en) 2017-06-19 2018-12-20 Ab Elektronik Sachsen Gmbh Device for level detection of media in containers
DE102017210152A1 (en) 2017-06-19 2018-12-20 Ab Elektronik Sachsen Gmbh Device for detecting media

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL177629C (en) * 1979-07-09 1985-10-16 Brooks Instr Bv DIRECTIONAL SENSITIVE FLOW SPEEDOMETER.

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