GB9812012D0 - A liquid level transducer - Google Patents

A liquid level transducer

Info

Publication number
GB9812012D0
GB9812012D0 GBGB9812012.4A GB9812012A GB9812012D0 GB 9812012 D0 GB9812012 D0 GB 9812012D0 GB 9812012 A GB9812012 A GB 9812012A GB 9812012 D0 GB9812012 D0 GB 9812012D0
Authority
GB
United Kingdom
Prior art keywords
liquid level
level transducer
transducer
liquid
level
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Withdrawn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
GBGB9812012.4A
Other versions
GB2325984A (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.)
FOZMULA Ltd
Original Assignee
FOZMULA 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 FOZMULA Ltd filed Critical FOZMULA Ltd
Publication of GB9812012D0 publication Critical patent/GB9812012D0/en
Publication of GB2325984A publication Critical patent/GB2325984A/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Withdrawn legal-status Critical Current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
    • G01F23/268—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 mounting arrangements of probes
    • 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
    • G01F23/266—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 measuring circuits therefor

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)
GB9812012A 1997-06-05 1998-06-05 Capacitive liquid level sensor Withdrawn GB2325984A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9711522.4A GB9711522D0 (en) 1997-06-05 1997-06-05 A liquid level transducer

Publications (2)

Publication Number Publication Date
GB9812012D0 true GB9812012D0 (en) 1998-07-29
GB2325984A GB2325984A (en) 1998-12-09

Family

ID=10813536

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9711522.4A Pending GB9711522D0 (en) 1997-06-05 1997-06-05 A liquid level transducer
GB9812012A Withdrawn GB2325984A (en) 1997-06-05 1998-06-05 Capacitive liquid level sensor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9711522.4A Pending GB9711522D0 (en) 1997-06-05 1997-06-05 A liquid level transducer

Country Status (1)

Country Link
GB (2) GB9711522D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10258417B3 (en) * 2002-12-13 2004-08-12 Beru Ag Method and circuit arrangement for detecting and / or determining the nature of a medium

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1092527A (en) * 1964-12-08 1967-11-29 Simmonds Precision Products Improvements in pressure sensitive transducers
US3918306A (en) * 1974-03-15 1975-11-11 Drexelbrook Controls System for measuring fluid levels in a vehicle transmission
IT1131315B (en) * 1980-06-13 1986-06-18 Logic Spa DETECTION AND SIGNALING SYSTEM OF THE FUEL QUANTITY CONTAINED IN A VEHICLE TANK, ESPECIALLY OF AIR VEHICLES
US4417473A (en) * 1982-02-03 1983-11-29 Tward 2001 Limited Multi-capacitor fluid level sensor
US4730489A (en) * 1986-10-30 1988-03-15 Mutech Holland B.V. Variable level capacitor sensor
JPH05322629A (en) * 1992-05-25 1993-12-07 Japan Aviation Electron Ind Ltd Electrostatic level sensor

Also Published As

Publication number Publication date
GB2325984A (en) 1998-12-09
GB9711522D0 (en) 1997-07-30

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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)