GB2256478B - Flow measurement device - Google Patents

Flow measurement device

Info

Publication number
GB2256478B
GB2256478B GB9112351A GB9112351A GB2256478B GB 2256478 B GB2256478 B GB 2256478B GB 9112351 A GB9112351 A GB 9112351A GB 9112351 A GB9112351 A GB 9112351A GB 2256478 B GB2256478 B GB 2256478B
Authority
GB
United Kingdom
Prior art keywords
measurement device
flow measurement
flow
measurement
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 - Lifetime
Application number
GB9112351A
Other versions
GB9112351D0 (en
GB2256478A (en
Inventor
Malcolm Charles Brown
Paul Edwin Hammond
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.)
Masar Ltd
Original Assignee
Masar 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 Masar Ltd filed Critical Masar Ltd
Priority to GB9112351A priority Critical patent/GB2256478B/en
Publication of GB9112351D0 publication Critical patent/GB9112351D0/en
Priority to DE19924218899 priority patent/DE4218899A1/en
Publication of GB2256478A publication Critical patent/GB2256478A/en
Priority to US08/207,703 priority patent/US5487309A/en
Application granted granted Critical
Publication of GB2256478B publication Critical patent/GB2256478B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • 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
    • G01F1/007—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 measuring the level variations of storage tanks relative to the time
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • 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
    • G01P5/18—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Measuring Volume Flow (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
GB9112351A 1991-06-08 1991-06-08 Flow measurement device Expired - Lifetime GB2256478B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9112351A GB2256478B (en) 1991-06-08 1991-06-08 Flow measurement device
DE19924218899 DE4218899A1 (en) 1991-06-08 1992-06-09 FLOW MEASURING DEVICE
US08/207,703 US5487309A (en) 1991-06-08 1994-03-09 Device for testing medical infusion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9112351A GB2256478B (en) 1991-06-08 1991-06-08 Flow measurement device

Publications (3)

Publication Number Publication Date
GB9112351D0 GB9112351D0 (en) 1991-07-31
GB2256478A GB2256478A (en) 1992-12-09
GB2256478B true GB2256478B (en) 1995-09-13

Family

ID=10696326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9112351A Expired - Lifetime GB2256478B (en) 1991-06-08 1991-06-08 Flow measurement device

Country Status (2)

Country Link
DE (1) DE4218899A1 (en)
GB (1) GB2256478B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0619476B1 (en) * 1992-12-19 1999-09-22 Boehringer Mannheim Gmbh Device for detection of a fluidic interface in a transparent measuring tube
US5355735A (en) * 1993-02-23 1994-10-18 Datrend Systems Inc. Apparatus for metering liquid flow
FR2752297B1 (en) * 1996-08-07 1999-05-28 Poirier Marc DEVICE FOR MONITORING THE FLOW OF A LIQUID OUTSIDE A TANK
DE20009083U1 (en) * 2000-05-19 2000-08-17 Accelab Laborautomations Gmbh Device for detecting phase boundaries between different liquids
DE102013111796A1 (en) * 2013-10-25 2015-04-30 Dominik Niedenzu sensor device
CN110068691B (en) * 2019-05-14 2022-03-11 温州市人民医院 Blood test paper batch dips in gets device
CN111473840B (en) * 2020-04-24 2021-11-12 泰华智慧产业集团股份有限公司 Waveform identification type ultrasonic liquid level meter and measuring method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1151530A (en) * 1966-12-22 1969-05-07 Rosemount Eng Co Ltd Improvements in or relating to Fluid Level Sensors
GB2200445A (en) * 1987-01-21 1988-08-03 Mascar Limited Flow measuring device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1151530A (en) * 1966-12-22 1969-05-07 Rosemount Eng Co Ltd Improvements in or relating to Fluid Level Sensors
GB2200445A (en) * 1987-01-21 1988-08-03 Mascar Limited Flow measuring device

Also Published As

Publication number Publication date
DE4218899A1 (en) 1992-12-10
GB9112351D0 (en) 1991-07-31
GB2256478A (en) 1992-12-09

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20110607