GB8302257D0 - Measuring fluid levels - Google Patents

Measuring fluid levels

Info

Publication number
GB8302257D0
GB8302257D0 GB838302257A GB8302257A GB8302257D0 GB 8302257 D0 GB8302257 D0 GB 8302257D0 GB 838302257 A GB838302257 A GB 838302257A GB 8302257 A GB8302257 A GB 8302257A GB 8302257 D0 GB8302257 D0 GB 8302257D0
Authority
GB
United Kingdom
Prior art keywords
fluid levels
measuring fluid
levels
measuring
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.)
Withdrawn
Application number
GB838302257A
Other versions
GB2118308A (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.)
TWARD 2001 Ltd
Original Assignee
TWARD 2001 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
Priority claimed from US06/345,351 external-priority patent/US4417472A/en
Priority claimed from US06/345,350 external-priority patent/US4448071A/en
Priority claimed from US06/345,352 external-priority patent/US4448072A/en
Application filed by TWARD 2001 Ltd filed Critical TWARD 2001 Ltd
Publication of GB8302257D0 publication Critical patent/GB8302257D0/en
Publication of GB2118308A publication Critical patent/GB2118308A/en
Withdrawn legal-status Critical Current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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
GB08302257A 1982-02-03 1983-01-27 Method of measuring and indicating fluid levels Withdrawn GB2118308A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/345,351 US4417472A (en) 1982-02-03 1982-02-03 Fluid level sensor
US06/345,350 US4448071A (en) 1982-02-03 1982-02-03 Method of measuring and indicating fluid levels
US06/345,352 US4448072A (en) 1982-02-03 1982-02-03 Fluid level measuring system

Publications (2)

Publication Number Publication Date
GB8302257D0 true GB8302257D0 (en) 1983-03-02
GB2118308A GB2118308A (en) 1983-10-26

Family

ID=27407684

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08302257A Withdrawn GB2118308A (en) 1982-02-03 1983-01-27 Method of measuring and indicating fluid levels

Country Status (4)

Country Link
CA (1) CA1195529A (en)
DE (1) DE3303340A1 (en)
FR (1) FR2520867A1 (en)
GB (1) GB2118308A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014003270A1 (en) * 2014-03-12 2015-09-17 BEDIA Motorentechnik GmbH & Co. KG Capacitive measuring device for determining the filling level

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2357023A (en) * 1941-01-30 1944-08-29 Reid Oliver Walter Liquid level measuring apparatus
US3193760A (en) * 1961-04-28 1965-07-06 Collins Radio Co Air pressure sensitive bridge
US4417473A (en) * 1982-02-03 1983-11-29 Tward 2001 Limited Multi-capacitor fluid level sensor
US4432238A (en) * 1982-07-22 1984-02-21 Tward 2001 Limited Capacitive pressure transducer

Also Published As

Publication number Publication date
CA1195529A (en) 1985-10-22
DE3303340A1 (en) 1983-09-29
FR2520867A1 (en) 1983-08-05
GB2118308A (en) 1983-10-26

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)