IT1154521B - Impianto capacitivo misuratore di fluido - Google Patents

Impianto capacitivo misuratore di fluido

Info

Publication number
IT1154521B
IT1154521B IT24114/82A IT2411482A IT1154521B IT 1154521 B IT1154521 B IT 1154521B IT 24114/82 A IT24114/82 A IT 24114/82A IT 2411482 A IT2411482 A IT 2411482A IT 1154521 B IT1154521 B IT 1154521B
Authority
IT
Italy
Prior art keywords
meter system
fluid meter
capacitive fluid
capacitive
meter
Prior art date
Application number
IT24114/82A
Other languages
English (en)
Other versions
IT8224114A0 (it
Inventor
Terence John Coates
Original Assignee
Smiths Industries 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 Industries Plc filed Critical Smiths Industries Plc
Publication of IT8224114A0 publication Critical patent/IT8224114A0/it
Application granted granted Critical
Publication of IT1154521B publication Critical patent/IT1154521B/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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
IT24114/82A 1981-11-11 1982-11-08 Impianto capacitivo misuratore di fluido IT1154521B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8134053 1981-11-11

Publications (2)

Publication Number Publication Date
IT8224114A0 IT8224114A0 (it) 1982-11-08
IT1154521B true IT1154521B (it) 1987-01-21

Family

ID=10525806

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24114/82A IT1154521B (it) 1981-11-11 1982-11-08 Impianto capacitivo misuratore di fluido

Country Status (3)

Country Link
US (1) US4472968A (it)
FR (1) FR2516235B1 (it)
IT (1) IT1154521B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686857A (en) * 1983-03-04 1987-08-18 Kabushiki Kaisha Toyota Chuo Kenkyusho Method and apparatus for evaluating the performance of dielectric substances
US5627304A (en) * 1994-05-23 1997-05-06 Smiths Industries System for automatic real-time calibration of remotely-located capacitive-type fuel quantity measurement probes
ES2206702T3 (es) * 1996-04-03 2004-05-16 Robertshaw Controls Company Sensor de fluido.
DE19643286C1 (de) * 1996-10-21 1998-04-09 Ringwald Armin Vorrichtung zum Erkennen von strömenden Medien
US6798350B2 (en) * 2001-04-30 2004-09-28 Baker Hughes Incorporated Method for repeating messages in long intelligent completion system lines
KR100517305B1 (ko) 2002-12-09 2005-09-27 손덕수 전송선을 이용한 자동차 연료 게이지
US8281655B2 (en) * 2009-04-03 2012-10-09 Eaton Corporation Fuel gauging system utilizing a digital fuel gauging probe
US9907908B2 (en) 2011-03-08 2018-03-06 Baxter International Inc. Non-invasive radio frequency medical fluid level and volume detection system and method
GB201520277D0 (en) * 2015-11-17 2015-12-30 Kennedy Hygiene Products Ltd Dispensing apparatus and method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2918818A (en) * 1954-02-15 1959-12-29 Meyer Franklin Compensated capacitive gravimetric apparatus
US2941403A (en) * 1955-04-29 1960-06-21 Bendix Aviat Corp Liquid depth gauge
US3083572A (en) * 1958-07-25 1963-04-02 Honeywell Regulator Co Fluid level systems
US3283577A (en) * 1964-06-29 1966-11-08 Honeywell Inc Divided capacitance probe level gauge
US3391547A (en) * 1966-02-28 1968-07-09 Varian Associates Capacitive liquid level sensor using phase sensitive detector means
GB1320451A (en) * 1971-01-27 1973-06-13 Cheeseman K A Linear analogue to frequency converter
US4212202A (en) * 1979-08-09 1980-07-15 The Bendix Corporation Distributed compensation for capacitance-type fluid measuring apparatus
DE2945965A1 (de) * 1979-11-14 1981-05-27 Vdo Adolf Schindling Ag, 6000 Frankfurt Einrichtung zur kapazitiven fuellstandsmessung
US4347741A (en) * 1980-07-17 1982-09-07 Endress & Hauser, Inc. Control system for a capacitive level sensor
US4417473A (en) * 1982-02-03 1983-11-29 Tward 2001 Limited Multi-capacitor fluid level sensor

Also Published As

Publication number Publication date
IT8224114A0 (it) 1982-11-08
FR2516235A1 (fr) 1983-05-13
FR2516235B1 (fr) 1986-11-07
US4472968A (en) 1984-09-25

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971126