DE10392936D2 - level sensor - Google Patents

level sensor

Info

Publication number
DE10392936D2
DE10392936D2 DE10392936T DE10392936T DE10392936D2 DE 10392936 D2 DE10392936 D2 DE 10392936D2 DE 10392936 T DE10392936 T DE 10392936T DE 10392936 T DE10392936 T DE 10392936T DE 10392936 D2 DE10392936 D2 DE 10392936D2
Authority
DE
Germany
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.)
Withdrawn - After Issue
Application number
DE10392936T
Other languages
German (de)
Inventor
Andreas Schalk
Rainer Schalk
Franz Stuhlbacher
Martin Trsek
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.)
Exess Engineering Graz GmbH
Original Assignee
Exess Engineering Graz GmbH
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 Exess Engineering Graz GmbH filed Critical Exess Engineering Graz GmbH
Application granted granted Critical
Publication of DE10392936D2 publication Critical patent/DE10392936D2/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current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
    • G01F23/266—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 measuring circuits therefor
    • 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
    • G01F23/265—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 for discrete levels
    • 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
    • G01F23/268—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 mounting arrangements of probes

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)
DE10392936T 2002-07-15 2003-07-15 level sensor Withdrawn - After Issue DE10392936D2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10231946A DE10231946A1 (en) 2002-07-15 2002-07-15 Method for measuring the level of a fluid in a container and corresponding level sensor
PCT/EP2003/007662 WO2004008084A1 (en) 2002-07-15 2003-07-15 Method for measuring the level of a fluid in a container and corresponding level sensor comprising at least one capacitive sensor element

Publications (1)

Publication Number Publication Date
DE10392936D2 true DE10392936D2 (en) 2005-06-02

Family

ID=29796367

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10231946A Withdrawn DE10231946A1 (en) 2002-07-15 2002-07-15 Method for measuring the level of a fluid in a container and corresponding level sensor
DE10392936T Withdrawn - After Issue DE10392936D2 (en) 2002-07-15 2003-07-15 level sensor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10231946A Withdrawn DE10231946A1 (en) 2002-07-15 2002-07-15 Method for measuring the level of a fluid in a container and corresponding level sensor

Country Status (3)

Country Link
AU (1) AU2003246704A1 (en)
DE (2) DE10231946A1 (en)
WO (1) WO2004008084A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7260988B2 (en) * 2004-12-17 2007-08-28 Visteon Global Technologies, Inc. Fuel level sender circuit with alternating current direction
DE102005032131A1 (en) * 2005-07-07 2007-01-18 Endress + Hauser Gmbh + Co. Kg Device for capacitive determination and / or monitoring of the filling level
WO2011002594A1 (en) * 2009-07-02 2011-01-06 Illinois Tool Works Inc. Brake reservoir fluid sensing system
DE102016109102B3 (en) * 2016-05-18 2016-10-27 Sick Ag Capacitive sensor and method for determining the permittivity distribution in an object
WO2020112227A1 (en) 2018-11-30 2020-06-04 Carrier Corporation Printed capacitive liquid level sensor for fire suppression

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB847107A (en) * 1957-04-10 1960-09-07 Fielden Electronics Ltd Means for determining the depth of fluent material in a container
US3161054A (en) * 1961-12-20 1964-12-15 Simmonds Precision Products Capacity-type measuring system
GB1601338A (en) * 1977-03-14 1981-10-28 Huddart R Measuring apparatus using parameter dependant capacitance
US5287086A (en) * 1990-01-02 1994-02-15 Raptor, Inc. Proximity detection system and oscillator
FR2785046B1 (en) * 1998-10-23 2001-01-26 Claude Launay MEASURING DEVICE BASED ON INDIRECT PERMITTIVITY MEASUREMENT

Also Published As

Publication number Publication date
AU2003246704A1 (en) 2004-02-02
WO2004008084A1 (en) 2004-01-22
DE10231946A1 (en) 2004-01-29

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Legal Events

Date Code Title Description
8141 Disposal/no request for examination