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GB2037990B - Fluid sensing - Google Patents

Fluid sensing

Info

Publication number
GB2037990B
GB2037990B GB7943907A GB7943907A GB2037990B GB 2037990 B GB2037990 B GB 2037990B GB 7943907 A GB7943907 A GB 7943907A GB 7943907 A GB7943907 A GB 7943907A GB 2037990 B GB2037990 B GB 2037990B
Authority
GB
United Kingdom
Prior art keywords
fluid sensing
sensing
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.)
Expired
Application number
GB7943907A
Other versions
GB2037990A (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.)
Smiths Group PLC
Original Assignee
Smiths Group 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 Smiths Group PLC filed Critical Smiths Group PLC
Priority to GB7943907A priority Critical patent/GB2037990B/en
Publication of GB2037990A publication Critical patent/GB2037990A/en
Application granted granted Critical
Publication of GB2037990B publication Critical patent/GB2037990B/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
    • 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
    • G01F23/24—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 resistance of resistors due to contact with conductor fluid
    • G01F23/246—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 resistance of resistors due to contact with conductor fluid thermal devices
    • G01F23/247—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 resistance of resistors due to contact with conductor fluid thermal devices for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
GB7943907A 1978-12-21 1979-12-20 Fluid sensing Expired GB2037990B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7943907A GB2037990B (en) 1978-12-21 1979-12-20 Fluid sensing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7849472 1978-12-21
GB7943907A GB2037990B (en) 1978-12-21 1979-12-20 Fluid sensing

Publications (2)

Publication Number Publication Date
GB2037990A GB2037990A (en) 1980-07-16
GB2037990B true GB2037990B (en) 1983-05-05

Family

ID=26270048

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7943907A Expired GB2037990B (en) 1978-12-21 1979-12-20 Fluid sensing

Country Status (1)

Country Link
GB (1) GB2037990B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4416153A (en) * 1982-03-15 1983-11-22 Innovative Medical Systems, Corp. Method of compensating a thermistor
DE3520126A1 (en) * 1985-06-05 1986-12-11 Vdo Adolf Schindling Ag, 6000 Frankfurt DEVICE FOR ELECTRIC OIL LEVEL MONITORING, IN PARTICULAR IN MOTOR VEHICLE COMBUSTION ENGINES
US4967593A (en) * 1989-07-20 1990-11-06 Fluid Components, Inc. Method and apparatus for distinguishing between different substances in a container
DE19929295A1 (en) * 1999-06-25 2000-12-28 Volkswagen Ag Method and device for determining the amount of liquid in a moving container

Also Published As

Publication number Publication date
GB2037990A (en) 1980-07-16

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Legal Events

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

Effective date: 19991219