GB9226800D0 - System for measuring fluid flow - Google Patents

System for measuring fluid flow

Info

Publication number
GB9226800D0
GB9226800D0 GB929226800A GB9226800A GB9226800D0 GB 9226800 D0 GB9226800 D0 GB 9226800D0 GB 929226800 A GB929226800 A GB 929226800A GB 9226800 A GB9226800 A GB 9226800A GB 9226800 D0 GB9226800 D0 GB 9226800D0
Authority
GB
United Kingdom
Prior art keywords
fluid flow
measuring fluid
measuring
flow
fluid
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
Application number
GB929226800A
Other versions
GB2262811B (en
GB2262811A (en
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.)
FLOW CHECK SERVICES Ltd
Original Assignee
FLOW CHECK SERVICES Ltd
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 FLOW CHECK SERVICES Ltd filed Critical FLOW CHECK SERVICES Ltd
Publication of GB9226800D0 publication Critical patent/GB9226800D0/en
Publication of GB2262811A publication Critical patent/GB2262811A/en
Application granted granted Critical
Publication of GB2262811B publication Critical patent/GB2262811B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • 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
    • 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
    • G01F1/6965—Circuits therefor, e.g. constant-current flow meters comprising means to store calibration data for flow signal calculation or correction
GB9226800A 1991-12-24 1992-12-23 System for measuring fluid flow Expired - Fee Related GB2262811B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919127337A GB9127337D0 (en) 1991-12-24 1991-12-24 System for measuring fluid flow

Publications (3)

Publication Number Publication Date
GB9226800D0 true GB9226800D0 (en) 1993-02-17
GB2262811A GB2262811A (en) 1993-06-30
GB2262811B GB2262811B (en) 1994-08-17

Family

ID=10706787

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919127337A Pending GB9127337D0 (en) 1991-12-24 1991-12-24 System for measuring fluid flow
GB9226800A Expired - Fee Related GB2262811B (en) 1991-12-24 1992-12-23 System for measuring fluid flow

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919127337A Pending GB9127337D0 (en) 1991-12-24 1991-12-24 System for measuring fluid flow

Country Status (1)

Country Link
GB (2) GB9127337D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2948040B2 (en) * 1993-01-12 1999-09-13 株式会社日立製作所 Heating resistance type air flow meter
US5460039A (en) * 1994-07-12 1995-10-24 Bear Medical Systems, Inc. Flow sensor system
DE19933664A1 (en) * 1999-07-17 2001-01-18 Bosch Gmbh Robert Device for analog or digital signal processing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904154A1 (en) * 1979-02-03 1980-08-14 Bosch Gmbh Robert DEVICE FOR MEASURING THE MASS OF A FLOWING MEDIUM
GB2138566B (en) * 1983-04-15 1987-01-28 Standard Telephones Cables Ltd Thermal mass flow sensor for fluids
DE3638137A1 (en) * 1986-11-08 1988-05-11 Bosch Gmbh Robert DEVICE FOR DETERMINING THE SIZE OF A FLOWING MEDIUM
US4884443A (en) * 1987-12-23 1989-12-05 Siemens-Bendix Automotive Electronics L. P. Control and detection circuitry for mass airflow sensors
GB2222705A (en) * 1988-05-19 1990-03-14 Thomas Arthur Wisbey Wheeler Reduced pressure enclosure
DE69112251T2 (en) * 1990-04-13 1996-02-22 Yamatake Honeywell Co Ltd Membrane sensor.

Also Published As

Publication number Publication date
GB2262811B (en) 1994-08-17
GB9127337D0 (en) 1992-02-19
GB2262811A (en) 1993-06-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20041223