IT7826962A0 - Dispositivo di rivelazione del livello di un liquido. - Google Patents

Dispositivo di rivelazione del livello di un liquido.

Info

Publication number
IT7826962A0
IT7826962A0 IT7826962A IT2696278A IT7826962A0 IT 7826962 A0 IT7826962 A0 IT 7826962A0 IT 7826962 A IT7826962 A IT 7826962A IT 2696278 A IT2696278 A IT 2696278A IT 7826962 A0 IT7826962 A0 IT 7826962A0
Authority
IT
Italy
Prior art keywords
detection device
liquid level
level detection
liquid
level
Prior art date
Application number
IT7826962A
Other languages
English (en)
Other versions
IT1098112B (it
Original Assignee
Eaton Corp
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 Eaton Corp filed Critical Eaton Corp
Publication of IT7826962A0 publication Critical patent/IT7826962A0/it
Application granted granted Critical
Publication of IT1098112B publication Critical patent/IT1098112B/it

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

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Level Indicators Using A Float (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
IT26962/78A 1977-08-24 1978-08-23 Dispositivo di rivelazione del livello di un liquido IT1098112B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/827,297 US4165509A (en) 1977-08-24 1977-08-24 Dual liquid level monitor

Publications (2)

Publication Number Publication Date
IT7826962A0 true IT7826962A0 (it) 1978-08-23
IT1098112B IT1098112B (it) 1985-09-07

Family

ID=25248853

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26962/78A IT1098112B (it) 1977-08-24 1978-08-23 Dispositivo di rivelazione del livello di un liquido

Country Status (8)

Country Link
US (1) US4165509A (it)
AU (1) AU3832678A (it)
CA (1) CA1107374A (it)
DE (1) DE2836993A1 (it)
ES (1) ES472802A1 (it)
FR (1) FR2401406A1 (it)
GB (1) GB2003605A (it)
IT (1) IT1098112B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4380091A (en) * 1978-11-13 1983-04-19 Lively Olin A Control circuitry for water level control of pools
US4243116A (en) * 1979-07-23 1981-01-06 Texaco Inc. Fail-safe mechanism for generating a pulse indicating the precise moment of firing of an air gun
US4427091A (en) 1979-07-23 1984-01-24 Texaco Inc. Fail-safe circuit mechanism for generating a pulse indicating the precise moment of firing of a gas exhausting gun
US4405033A (en) * 1979-07-23 1983-09-20 Texaco Inc. Fail-safe methods for generating a pulse indicating the precise moment of firing of a gas exhausting gun
US4244385A (en) * 1979-12-12 1981-01-13 William Hotine Fluent material level control system
FR2552876B1 (fr) * 1983-09-29 1985-10-25 Commissariat Energie Atomique Systeme thermique de mesure de niveau de liquide
US4728941A (en) * 1984-02-13 1988-03-01 Emhart Industries, Inc. Fluid detection system
US4875497A (en) * 1984-04-23 1989-10-24 Worthington Ralph T Capacitance liquid level sensing and touch control system
US4763077A (en) * 1986-10-20 1988-08-09 Conax Florida Corporation Sensor circuit responsive to different fluid conductivities
US4782699A (en) * 1986-11-17 1988-11-08 General Motors Corporation Pulsed fuel level indicating system
US4952914A (en) * 1989-10-13 1990-08-28 General Motors Corporation Washer fluid monitor
US5438323A (en) * 1993-06-14 1995-08-01 Scully Signal Company Fail safe fluid level detection circuit
US9038405B2 (en) * 2010-08-25 2015-05-26 The Rectorseal Corporation Solid state control system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH86951A (de) * 1919-08-21 1920-10-16 Aegir Elektrische Bordapparate Elektrischer Fernmesser zur Anzeige wechselnder Flüssigkeitshöhen.
FR551022A (fr) * 1922-05-05 1923-03-26 Dispositif pour observer à distance les hauteurs de liquides
FR1456100A (fr) * 1965-09-10 1966-10-21 Dba Sa Indicateur de niveau
US3694804A (en) * 1969-06-11 1972-09-26 Thomas Electronics Ltd Coolant level detector for engine cooling system
BE756799A (fr) * 1969-09-29 1971-03-01 Addressograph Multigraph Dispositif de controle d'un niveau de liquide
US3978463A (en) * 1975-08-04 1976-08-31 General Motors Corporation Oscillator energized liquid level indicator

Also Published As

Publication number Publication date
DE2836993A1 (de) 1979-03-08
FR2401406A1 (fr) 1979-03-23
IT1098112B (it) 1985-09-07
AU3832678A (en) 1980-01-31
GB2003605A (en) 1979-03-14
CA1107374A (en) 1981-08-18
ES472802A1 (es) 1979-10-16
US4165509A (en) 1979-08-21

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