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IT1063454B - Tipo perfezionato di indicatore di livello per liquidi - Google Patents

Tipo perfezionato di indicatore di livello per liquidi

Info

Publication number
IT1063454B
IT1063454B IT29055/76A IT2905576A IT1063454B IT 1063454 B IT1063454 B IT 1063454B IT 29055/76 A IT29055/76 A IT 29055/76A IT 2905576 A IT2905576 A IT 2905576A IT 1063454 B IT1063454 B IT 1063454B
Authority
IT
Italy
Prior art keywords
liquids
level indicator
perfected type
perfected
type
Prior art date
Application number
IT29055/76A
Other languages
English (en)
Original Assignee
Edwards Harrison F
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 Edwards Harrison F filed Critical Edwards Harrison F
Application granted granted Critical
Publication of IT1063454B publication Critical patent/IT1063454B/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
    • G01F23/26—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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
IT29055/76A 1975-11-06 1976-11-05 Tipo perfezionato di indicatore di livello per liquidi IT1063454B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/629,653 US4038871A (en) 1975-11-06 1975-11-06 Liquid level gauge

Publications (1)

Publication Number Publication Date
IT1063454B true IT1063454B (it) 1985-02-11

Family

ID=24523903

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29055/76A IT1063454B (it) 1975-11-06 1976-11-05 Tipo perfezionato di indicatore di livello per liquidi

Country Status (13)

Country Link
US (1) US4038871A (it)
JP (1) JPS5258562A (it)
AU (1) AU501812B2 (it)
BE (1) BE847002A (it)
CA (1) CA1067981A (it)
CH (1) CH611414A5 (it)
DE (1) DE2649921A1 (it)
ES (1) ES453032A1 (it)
FR (1) FR2331004A1 (it)
GB (1) GB1531290A (it)
IL (1) IL50637A (it)
IT (1) IT1063454B (it)
NL (1) NL7612054A (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2824144C2 (de) * 1978-06-02 1983-12-08 Vdo Adolf Schindling Ag, 6000 Frankfurt Einrichtung zur kapazitiven Niveauhöhenmessung von Flüssigkeiten oder Feststoffen
US4295366A (en) * 1979-05-29 1981-10-20 A. C. Company Drilling fluid circulating and monitoring system and method
US4290305A (en) * 1979-05-29 1981-09-22 A. C. Company Drilling fluid circulating and monitoring system and method
US4347740A (en) * 1979-11-13 1982-09-07 Magnetrol International, Incorporated Capacitive level sensing device
DE3149463A1 (de) * 1980-12-15 1982-07-22 Nissan Motor Co., Ltd., Yokohama, Kanagawa Fluessigkeitsbehaelter
DE3373703D1 (en) * 1982-09-09 1987-10-22 Shell Int Research Capacitive level gauge
US4589077A (en) * 1983-07-27 1986-05-13 Southwest Pump Company Liquid level and volume measuring method and apparatus
FR2550337B1 (fr) * 1983-08-03 1986-11-07 Renault Sonde de mesure de niveau de liquide dans un reservoir ou une conduite
US5097703A (en) * 1984-11-30 1992-03-24 Aisin Seiki Kabushiki Kaisha Capacitive probe for use in a system for remotely measuring the level of fluids
DE3617234A1 (de) * 1986-05-22 1987-11-26 Meyer Fa Rud Otto Wasser- oder feuchtemelder
US4947689A (en) * 1989-01-13 1990-08-14 Hochstein Peter A Capacitive liquid sensor
US5005409A (en) * 1989-01-13 1991-04-09 Teleflex Incorporated Capacitive liquid sensor
US4982606A (en) * 1989-03-06 1991-01-08 Raytheon Company Fluid level sensor and controller
DE3920723A1 (de) * 1989-06-24 1991-01-10 Karlheinz Beckhausen Als profilkoerper ausgebildeter sensor
AT402237B (de) * 1994-02-09 1997-03-25 Konecny Franz Ing Füllstandsmessvorrichtung
AU2434497A (en) * 1996-04-03 1997-10-22 Robertshaw Controls Company Fluid sensor
FR2851653B1 (fr) * 2003-02-26 2005-06-10 Intertechnique Sa Jauge de mesure de niveau de carburant dans un reservoir et systeme de mesure de la masse de combustible dans ce reservoir
CN200986950Y (zh) * 2006-08-14 2007-12-05 奇鋐科技股份有限公司 具有液位侦测功能的燃料储存装置
US8410948B2 (en) * 2008-05-12 2013-04-02 John Vander Horst Recreational vehicle holding tank sensor probe
US8590375B2 (en) * 2011-03-22 2013-11-26 Rochester Gauges, Inc. Self-calibrating capacitive liquid level sensor assembly and method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2138677A (en) * 1934-08-08 1938-11-29 Charles A Meyer Liquid measuring device
US2356593A (en) * 1939-03-22 1944-08-22 Koeppe Walter Liquid operated electric control device
US2428700A (en) * 1943-09-17 1947-10-07 Wolgen Company Capacitative feed-back device for electrical testing
US2622442A (en) * 1949-06-10 1952-12-23 Phillips Petroleum Co Apparatus for measuring liquid levels
US2797284A (en) * 1953-07-27 1957-06-25 Phillips Petroleum Co Liquid level measurement and control
US3103815A (en) * 1961-07-13 1963-09-17 Bendix Corp Level gages
US3260883A (en) * 1962-01-09 1966-07-12 Atomic Energy Authority Uk Switch for fast electrical discharge having a plurality of electrodes with a non-porous dielectric material inserted between the electrodes
DE1498404B2 (de) * 1965-05-17 1973-05-30 Ott, Albert, Dipl Ing , 6201 Aurin gen Kapazitiver messumformer zur niveauhoehenmessung
US3553575A (en) * 1967-11-27 1971-01-05 Sonic Eng Corp Capacitive sensing device having a slidable probe
US3774237A (en) * 1971-10-08 1973-11-20 Spearhead Inc Differential methods and apparatus for measuring dielectric constant to determine a condition of a material
US3916689A (en) * 1973-06-25 1975-11-04 Simmonds Precision Products Capacitance fuel tank gauge
US3935739A (en) * 1974-04-10 1976-02-03 Liquidometer Corporation Liquid level gauging apparatus

Also Published As

Publication number Publication date
FR2331004A1 (fr) 1977-06-03
DE2649921A1 (de) 1977-05-12
CH611414A5 (it) 1979-05-31
JPS5258562A (en) 1977-05-14
AU501812B2 (en) 1979-06-28
BE847002A (fr) 1977-01-31
NL7612054A (nl) 1977-05-10
AU1853976A (en) 1978-04-20
US4038871A (en) 1977-08-02
GB1531290A (en) 1978-11-08
CA1067981A (en) 1979-12-11
ES453032A1 (es) 1977-11-16
IL50637A (en) 1979-01-31
IL50637A0 (en) 1976-12-31
FR2331004B3 (it) 1979-06-08

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