[go: up one dir, main page]

FR2516235B1 - Dispositif capacitif de jaugeage de liquide - Google Patents

Dispositif capacitif de jaugeage de liquide

Info

Publication number
FR2516235B1
FR2516235B1 FR8218965A FR8218965A FR2516235B1 FR 2516235 B1 FR2516235 B1 FR 2516235B1 FR 8218965 A FR8218965 A FR 8218965A FR 8218965 A FR8218965 A FR 8218965A FR 2516235 B1 FR2516235 B1 FR 2516235B1
Authority
FR
France
Prior art keywords
gauge device
capacitive liquid
liquid gauge
capacitive
liquid
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
FR8218965A
Other languages
English (en)
Other versions
FR2516235A1 (fr
Inventor
Terence John Coates
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
Publication of FR2516235A1 publication Critical patent/FR2516235A1/fr
Application granted granted Critical
Publication of FR2516235B1 publication Critical patent/FR2516235B1/fr
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
    • G01F23/26—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)
FR8218965A 1981-11-11 1982-11-09 Dispositif capacitif de jaugeage de liquide Expired FR2516235B1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2516235A1 FR2516235A1 (fr) 1983-05-13
FR2516235B1 true FR2516235B1 (fr) 1986-11-07

Family

ID=10525806

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8218965A Expired FR2516235B1 (fr) 1981-11-11 1982-11-09 Dispositif capacitif de jaugeage de liquide

Country Status (3)

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

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
AU2434497A (en) * 1996-04-03 1997-10-22 Robertshaw Controls Company Fluid sensor
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
US8869612B2 (en) 2011-03-08 2014-10-28 Baxter International Inc. Non-invasive radio frequency liquid level and volume detection system using phase shift
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
US4472968A (en) 1984-09-25
IT1154521B (it) 1987-01-21
IT8224114A0 (it) 1982-11-08
FR2516235A1 (fr) 1983-05-13

Similar Documents

Publication Publication Date Title
FR2475642B1 (fr) Distributeur de liquide
FR2482875B1 (fr) Dispositif a jet de liquide
FR2530499B1 (fr) Pulverisateur de liquide
BE887593A (fr) Dispositif de distribution de liquide.
NO164387C (no) Fremvisningsanordning.
EP0076861A4 (fr) Dispositif de mesure de deplacement.
JPS55119018A (en) Capacitanceetype liquid level measuring device
GB2097932B (en) A thermoelectric liquid level measuring device
BR8203034A (pt) Dispositivo de exibicao eletrocronico
DE3272970D1 (en) Electronic liquid level gauge
FR2502283B1 (fr) Dispositif reducteur de pression
GB2036980B (en) Liquid level detecting device
FR2560180B1 (fr) Dispositif de soutirage de liquides
BR8206214A (pt) Dispositivo alimentador de liquido
FR2615761B1 (fr) Dispositif applicateur de liquide
FR2516235B1 (fr) Dispositif capacitif de jaugeage de liquide
AU511578B2 (en) Liquid flow sensing device
FR2524141B1 (fr) Dispositif de jaugeage de liquide
GB2091425B (en) Capacitance liquid gauge
BE893885A (fr) Dispositif distributeur doseur
FR2514496B1 (fr) Compteur de liquide
FR2507104B1 (fr) Appareil pulverisateur de liquide
FR2480937B1 (fr) Jaugeur de niveau de liquide
FR2540259B1 (fr) Dispositif conditionneur-doseur de liquide
IT1148327B (it) Dispositivo di dosaggio per sostanze liquide o gassose

Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse
ST Notification of lapse