FR2795816B1 - level sensor - Google Patents

level sensor

Info

Publication number
FR2795816B1
FR2795816B1 FR9908547A FR9908547A FR2795816B1 FR 2795816 B1 FR2795816 B1 FR 2795816B1 FR 9908547 A FR9908547 A FR 9908547A FR 9908547 A FR9908547 A FR 9908547A FR 2795816 B1 FR2795816 B1 FR 2795816B1
Authority
FR
Grant status
Grant
Patent type
Prior art keywords
level sensor
sensor
level
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
FR9908547A
Other languages
French (fr)
Other versions
FR2795816A1 (en )
Inventor
Francois Baillieu
Frederic Levacher
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.)
ROXER
Original Assignee
ROXER
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
Grant date

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm
    • G01F23/22Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm by measurement of 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
    • G01F23/26Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm by measurement of 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
    • G01F23/263Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm by measurement of 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 using capacitors
    • G01F23/266Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm by measurement of 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 using capacitors measuring circuits therefor
FR9908547A 1999-07-02 1999-07-02 level sensor Expired - Fee Related FR2795816B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9908547A FR2795816B1 (en) 1999-07-02 1999-07-02 level sensor

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9908547A FR2795816B1 (en) 1999-07-02 1999-07-02 level sensor
PCT/FR2000/001867 WO2001002817A1 (en) 1999-07-02 2000-06-30 Level sensor-switch
AU6164800A AU6164800A (en) 1999-07-02 2000-06-30 Level sensor-switch

Publications (2)

Publication Number Publication Date
FR2795816A1 true FR2795816A1 (en) 2001-01-05
FR2795816B1 true FR2795816B1 (en) 2001-09-28

Family

ID=9547637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9908547A Expired - Fee Related FR2795816B1 (en) 1999-07-02 1999-07-02 level sensor

Country Status (2)

Country Link
FR (1) FR2795816B1 (en)
WO (1) WO2001002817A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1677084A1 (en) 2004-12-22 2006-07-05 Roxer Industries S.A. LIquid level sensor and method of estimation
KR20080063358A (en) * 2005-10-26 2008-07-03 이너지 오토모티브 시스템즈 리서치 (소시에떼 아노님) Capacitive gauge
FR2892509B1 (en) * 2005-10-26 2007-12-21 Inergy Automotive Systems Res capacitive gauge for tank Fuel
FR2892508B1 (en) * 2005-10-26 2007-12-28 Inergy Automotive Systems Res capacitive gauge
US8181516B2 (en) 2006-10-26 2012-05-22 Inergy Automotive Systems Research (Societe Anonyme) Measuring a liquid level in a tank with two measurement capacitors and two reference capacitors

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2058364B (en) * 1979-09-01 1983-03-23 Ferranti Ltd Capacitance measuring apparatus
US4947689A (en) * 1989-01-13 1990-08-14 Hochstein Peter A Capacitive liquid sensor
US5461321A (en) * 1993-09-17 1995-10-24 Penberthy, Inc. Apparatus and method for measuring capacitance from the duration of a charge-discharge charge cycle
WO1999010714A1 (en) * 1997-08-25 1999-03-04 Millennium Sensors Ltd. A compensated capacitive liquid level sensor

Also Published As

Publication number Publication date Type
WO2001002817A1 (en) 2001-01-11 application
FR2795816A1 (en) 2001-01-05 application

Similar Documents

Publication Publication Date Title
DE29901516U1 (en) Plug-throttle angle sensor
DE10085137T1 (en) surgical sensor
DE29907092U1 (en) pedal sensor
DE29805413U1 (en) level sensor
DE29700625U1 (en) level sensor
DE29709961U1 (en) Photoelectric Sensor
DE29705615U1 (en) sensor arrangement
DE29820546U1 (en) Precipitation Sensor
DE29818875U1 (en) radiation sensor
DE29802763U1 (en) light sensor
DE29721952U1 (en) Tank level sensor
DE29904152U1 (en) sensor element
DE29820647U1 (en) Inertielles sensor system
DE60002044T2 (en) sensor housing
DE29902818U1 (en) Tread-pressure gauge
DE60122159D1 (en) occupancy sensor
DE29905700U1 (en) sensor arrangement
DE29902592U1 (en) RF rod sensor
DE19815150B4 (en) sensor arrangement
DE29706591U1 (en) sensor arrangement
DE29902358U1 (en) length measuring
DE29803388U1 (en) sensor mounting
DE69905044T2 (en) Stratified-current sensor
DE19983808T1 (en) Difference VGMR sensor
DE29814606U1 (en) Photoelectric Sensor

Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
TP Transmission of property
TP Transmission of property
PLFP Fee payment

Year of fee payment: 17

ST Notification of lapse

Effective date: 20170331