GB2303213B - Simple fluid detector circuit - Google Patents

Simple fluid detector circuit

Info

Publication number
GB2303213B
GB2303213B GB9514119A GB9514119A GB2303213B GB 2303213 B GB2303213 B GB 2303213B GB 9514119 A GB9514119 A GB 9514119A GB 9514119 A GB9514119 A GB 9514119A GB 2303213 B GB2303213 B GB 2303213B
Authority
GB
United Kingdom
Prior art keywords
detector circuit
fluid detector
simple fluid
circuit
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 - Fee Related
Application number
GB9514119A
Other versions
GB2303213A (en
GB9514119D0 (en
Inventor
Nicholas Roe
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9514119A priority Critical patent/GB2303213B/en
Publication of GB9514119D0 publication Critical patent/GB9514119D0/en
Publication of GB2303213A publication Critical patent/GB2303213A/en
Application granted granted Critical
Publication of GB2303213B publication Critical patent/GB2303213B/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
    • 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
    • G01F23/241—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 for discrete levels
    • G01F23/243—Schematic arrangements of probes combined with measuring circuits
    • G01F23/244—Schematic arrangements of probes combined with measuring circuits comprising oscillating circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)
GB9514119A 1995-07-11 1995-07-11 Simple fluid detector circuit Expired - Fee Related GB2303213B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9514119A GB2303213B (en) 1995-07-11 1995-07-11 Simple fluid detector circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9514119A GB2303213B (en) 1995-07-11 1995-07-11 Simple fluid detector circuit

Publications (3)

Publication Number Publication Date
GB9514119D0 GB9514119D0 (en) 1995-09-13
GB2303213A GB2303213A (en) 1997-02-12
GB2303213B true GB2303213B (en) 2000-01-12

Family

ID=10777463

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9514119A Expired - Fee Related GB2303213B (en) 1995-07-11 1995-07-11 Simple fluid detector circuit

Country Status (1)

Country Link
GB (1) GB2303213B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB896888A (en) * 1957-12-30 1962-05-23 Owens Corning Fiberglass Corp Improvements in and relating to liquid level determination and or regulation
GB1498399A (en) * 1975-11-17 1978-01-18 Itt Conductive probe level control
US4263587A (en) * 1979-04-09 1981-04-21 International Telephone And Telegraph Corporation Liquid level control system
GB2063484A (en) * 1979-11-19 1981-06-03 Honeywell Inc Resistive fluid level detecting system
GB1594533A (en) * 1977-02-17 1981-07-30 Honeywell Inc Condition responsive system
US4465088A (en) * 1980-09-03 1984-08-14 Vosper George W Construction of low water level sensing device for hot water boiler
US5111691A (en) * 1990-12-20 1992-05-12 Itt Corporation Conductance/thermal limit control apparatus and method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB896888A (en) * 1957-12-30 1962-05-23 Owens Corning Fiberglass Corp Improvements in and relating to liquid level determination and or regulation
GB1498399A (en) * 1975-11-17 1978-01-18 Itt Conductive probe level control
GB1594533A (en) * 1977-02-17 1981-07-30 Honeywell Inc Condition responsive system
US4263587A (en) * 1979-04-09 1981-04-21 International Telephone And Telegraph Corporation Liquid level control system
GB2063484A (en) * 1979-11-19 1981-06-03 Honeywell Inc Resistive fluid level detecting system
US4465088A (en) * 1980-09-03 1984-08-14 Vosper George W Construction of low water level sensing device for hot water boiler
US5111691A (en) * 1990-12-20 1992-05-12 Itt Corporation Conductance/thermal limit control apparatus and method

Also Published As

Publication number Publication date
GB2303213A (en) 1997-02-12
GB9514119D0 (en) 1995-09-13

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Legal Events

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

Effective date: 20020711