WO2006000378A3 - Contactless capacitative filling level measurement - Google Patents
Contactless capacitative filling level measurement Download PDFInfo
- Publication number
- WO2006000378A3 WO2006000378A3 PCT/EP2005/006683 EP2005006683W WO2006000378A3 WO 2006000378 A3 WO2006000378 A3 WO 2006000378A3 EP 2005006683 W EP2005006683 W EP 2005006683W WO 2006000378 A3 WO2006000378 A3 WO 2006000378A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filling level
- capacitative
- contactless
- level measurement
- reception electrode
- Prior art date
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)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410030740 DE102004030740A1 (en) | 2004-06-25 | 2004-06-25 | Non-contact capacitive level measurement |
DE102004030740.7 | 2004-06-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006000378A2 WO2006000378A2 (en) | 2006-01-05 |
WO2006000378A3 true WO2006000378A3 (en) | 2006-07-06 |
Family
ID=35507952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/006683 WO2006000378A2 (en) | 2004-06-25 | 2005-06-21 | Contactless capacitative filling level measurement |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102004030740A1 (en) |
WO (1) | WO2006000378A2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7794737B2 (en) | 2003-10-16 | 2010-09-14 | Kimberly-Clark Worldwide, Inc. | Odor absorbing extrudates |
DE102011054133A1 (en) | 2011-10-01 | 2013-04-04 | Hamilton Bonaduz Ag | Level measuring device for humidifier |
DE102014114943B3 (en) * | 2014-10-15 | 2015-07-16 | Endress + Hauser Gmbh + Co. Kg | Vibronic sensor |
CN113984138B (en) * | 2021-09-10 | 2023-09-05 | 中国航空工业集团公司西安航空计算技术研究所 | Aviation fuel measurement system based on FFT (fast Fourier transform) spectrum analysis |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3218863A (en) * | 1962-05-07 | 1965-11-23 | Wayne Kerr Lab Ltd | Pressure responsive apparatus |
US4749988A (en) * | 1986-11-20 | 1988-06-07 | Imtec Products, Inc. | Non-invasive liquid level sensor |
US5582798A (en) * | 1995-02-23 | 1996-12-10 | Cyberlab Inc. | Volume sensing device |
DE19645970A1 (en) * | 1996-11-07 | 1998-05-14 | Heinz Dipl Ing Ploechinger | Capacitive level sensor for measuring filling level of liquid in container |
-
2004
- 2004-06-25 DE DE200410030740 patent/DE102004030740A1/en not_active Ceased
-
2005
- 2005-06-21 WO PCT/EP2005/006683 patent/WO2006000378A2/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3218863A (en) * | 1962-05-07 | 1965-11-23 | Wayne Kerr Lab Ltd | Pressure responsive apparatus |
US4749988A (en) * | 1986-11-20 | 1988-06-07 | Imtec Products, Inc. | Non-invasive liquid level sensor |
US5582798A (en) * | 1995-02-23 | 1996-12-10 | Cyberlab Inc. | Volume sensing device |
DE19645970A1 (en) * | 1996-11-07 | 1998-05-14 | Heinz Dipl Ing Ploechinger | Capacitive level sensor for measuring filling level of liquid in container |
Also Published As
Publication number | Publication date |
---|---|
DE102004030740A1 (en) | 2006-01-19 |
WO2006000378A2 (en) | 2006-01-05 |
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