AU2003246704A1 - Method for measuring the level of a fluid in a container and corresponding level sensor comprising at least one capacitive sensor element - Google Patents
Method for measuring the level of a fluid in a container and corresponding level sensor comprising at least one capacitive sensor elementInfo
- Publication number
- AU2003246704A1 AU2003246704A1 AU2003246704A AU2003246704A AU2003246704A1 AU 2003246704 A1 AU2003246704 A1 AU 2003246704A1 AU 2003246704 A AU2003246704 A AU 2003246704A AU 2003246704 A AU2003246704 A AU 2003246704A AU 2003246704 A1 AU2003246704 A1 AU 2003246704A1
- Authority
- AU
- Australia
- Prior art keywords
- level
- container
- fluid
- measuring
- sensor element
- 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.)
- Abandoned
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)
Applications Claiming Priority (3)
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 |
DE10231946.4 | 2002-07-15 | ||
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 |
---|---|
AU2003246704A1 true AU2003246704A1 (en) | 2004-02-02 |
Family
ID=29796367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2003246704A Abandoned AU2003246704A1 (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 |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2003246704A1 (en) |
DE (2) | DE10231946A1 (en) |
WO (1) | WO2004008084A1 (en) |
Families Citing this family (5)
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)
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 |
-
2002
- 2002-07-15 DE DE10231946A patent/DE10231946A1/en not_active Withdrawn
-
2003
- 2003-07-15 AU AU2003246704A patent/AU2003246704A1/en not_active Abandoned
- 2003-07-15 DE DE10392936T patent/DE10392936D2/en not_active Withdrawn - After Issue
- 2003-07-15 WO PCT/EP2003/007662 patent/WO2004008084A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE10231946A1 (en) | 2004-01-29 |
DE10392936D2 (en) | 2005-06-02 |
WO2004008084A1 (en) | 2004-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |