NO157753C - Kapasitiv nivaamaaler. - Google Patents
Kapasitiv nivaamaaler.Info
- Publication number
- NO157753C NO157753C NO833187A NO833187A NO157753C NO 157753 C NO157753 C NO 157753C NO 833187 A NO833187 A NO 833187A NO 833187 A NO833187 A NO 833187A NO 157753 C NO157753 C NO 157753C
- Authority
- NO
- Norway
- Prior art keywords
- capacity levels
- levels
- capacity
- 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
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)
- Networks Using Active Elements (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8225676 | 1982-09-09 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO833187L NO833187L (no) | 1984-03-12 |
NO157753B NO157753B (no) | 1988-02-01 |
NO157753C true NO157753C (no) | 1988-05-11 |
Family
ID=10532783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO833187A NO157753C (no) | 1982-09-09 | 1983-09-07 | Kapasitiv nivaamaaler. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4553434A (de) |
EP (1) | EP0103321B1 (de) |
JP (1) | JPS5968627A (de) |
CA (1) | CA1212259A (de) |
DE (1) | DE3373703D1 (de) |
NO (1) | NO157753C (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5197376A (en) * | 1990-09-17 | 1993-03-30 | Services Alimentaires, S.A. | Apparatus for dispensing a cooked food product |
US5613399A (en) * | 1993-10-27 | 1997-03-25 | Kdi Precision Products, Inc. | Method for liquid level detection |
US5406843A (en) * | 1993-10-27 | 1995-04-18 | Kdi Corporation, Inc. | Digital liquid level sensing apparatus |
US5437184A (en) * | 1993-10-27 | 1995-08-01 | Kdi/Triangle Electronics, Inc. | Capacitive liquid level sensor having phase detecting circuitry |
US6125696A (en) * | 1993-10-27 | 2000-10-03 | Kdi Precision Products, Inc. | Digital liquid level sensing apparatus |
US6138508A (en) * | 1993-10-27 | 2000-10-31 | Kdi Precision Products, Inc. | Digital liquid level sensing apparatus |
GB9519006D0 (en) * | 1995-09-16 | 1995-11-15 | Rolls Royce & Ass | Capacitance probe |
US5747689A (en) * | 1996-12-09 | 1998-05-05 | Ford Global Technologies, Inc. | Fluid level sensing system |
WO1998057132A1 (en) * | 1997-06-12 | 1998-12-17 | Matulek Andrew M | Capacitive liquid level indicator |
US6240778B1 (en) | 1998-03-02 | 2001-06-05 | Kdi Precision Products, Inc. | Liquid level point switch sensor |
US6925398B2 (en) * | 2003-07-07 | 2005-08-02 | Colorado Vnet, Llc | Water measurement apparatus and methods |
US7255004B2 (en) * | 2004-09-13 | 2007-08-14 | United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Wireless fluid level measuring system |
US7047807B2 (en) * | 2004-09-13 | 2006-05-23 | United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Flexible framework for capacitive sensing |
US7506541B2 (en) * | 2006-01-09 | 2009-03-24 | The United States Of America As Represented By The National Aeronautics And Space Administration | System and method for wirelessly determining fluid volume |
US9536122B2 (en) | 2014-11-04 | 2017-01-03 | General Electric Company | Disposable multivariable sensing devices having radio frequency based sensors |
US10914698B2 (en) | 2006-11-16 | 2021-02-09 | General Electric Company | Sensing method and system |
US9176083B2 (en) | 2012-09-28 | 2015-11-03 | General Electric Company | Systems and methods for measuring an interface level in a multi-phase fluid composition |
US9589686B2 (en) | 2006-11-16 | 2017-03-07 | General Electric Company | Apparatus for detecting contaminants in a liquid and a system for use thereof |
US9538657B2 (en) | 2012-06-29 | 2017-01-03 | General Electric Company | Resonant sensor and an associated sensing method |
US9658178B2 (en) | 2012-09-28 | 2017-05-23 | General Electric Company | Sensor systems for measuring an interface level in a multi-phase fluid composition |
US20090198458A1 (en) * | 2008-01-29 | 2009-08-06 | Mcdermid John | Water measurement auto-networks |
US8424381B1 (en) | 2009-06-05 | 2013-04-23 | Liquid Measurement Systems, Inc. | Fluid level measuring device |
US8549910B2 (en) * | 2010-01-07 | 2013-10-08 | Federal-Mogul Corporation | Fuel system electro-static potential differential level sensor element and hardware/software configuration |
US8542023B2 (en) | 2010-11-09 | 2013-09-24 | General Electric Company | Highly selective chemical and biological sensors |
US9261395B2 (en) | 2012-02-13 | 2016-02-16 | Goodrich Corporation | Liquid level sensing system |
US9574928B2 (en) | 2012-02-13 | 2017-02-21 | Goodrich Corporation | Liquid level sensing systems |
US10598650B2 (en) | 2012-08-22 | 2020-03-24 | General Electric Company | System and method for measuring an operative condition of a machine |
DE112013004129T5 (de) | 2012-08-22 | 2015-05-21 | General Electric Company | Drahtloses System und Verfahren zum Messen einer Betriebsbedingung einer Maschine |
US10684268B2 (en) | 2012-09-28 | 2020-06-16 | Bl Technologies, Inc. | Sensor systems for measuring an interface level in a multi-phase fluid composition |
CN110567554B (zh) * | 2014-10-08 | 2020-12-08 | 半导体元件工业有限责任公司 | 用于检测填充水平的设备 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2963908A (en) * | 1955-04-19 | 1960-12-13 | Sun Oil Co | Apparatus for impedance measurements |
GB1110175A (en) * | 1964-06-04 | 1968-04-18 | Rosemount Eng Co Ltd | Improvements in or relating to fluid level sensors |
US3349301A (en) * | 1964-10-13 | 1967-10-24 | Simmonds Precision Products | High speed open capacitance probe for fuel systems |
DE1931370A1 (de) * | 1968-06-21 | 1970-01-02 | Smiths Industries Ltd | Kapazitive Vorrichtung fuer Fluessigkeits-Inhaltsmesser |
US3911744A (en) * | 1974-04-10 | 1975-10-14 | Liquidometer Corp | Liquid level gauging apparatus |
US3935739A (en) * | 1974-04-10 | 1976-02-03 | Liquidometer Corporation | Liquid level gauging apparatus |
NO742093L (de) * | 1974-06-10 | 1975-12-11 | Navaltronic As | |
US4038871A (en) * | 1975-11-06 | 1977-08-02 | Liquidometer Corporation | Liquid level gauge |
US4099167A (en) * | 1977-02-10 | 1978-07-04 | P.R. Mallory & Co. Inc. | Capacitive means for measuring the level of a liquid |
DE2717301B1 (de) * | 1977-04-19 | 1978-08-31 | Pfaudler Werke Ag | Messumformer zur kapazitiven Fuellstandsmessung von Fluessigkeitsfuellungen |
US4389900A (en) * | 1979-06-14 | 1983-06-28 | The United States Of America As Represented By The Secretary Of The Interior | Capacitance probe sensor device |
DE2951849A1 (de) * | 1979-12-21 | 1981-07-02 | Vega Vertrieb und Fertigung elektronischer Geräte und Apparate Grieshaber KG, 7620 Wolfach | Anordnung zur kapazitiven fuellstandsmessung in einem behaelter |
PL126453B1 (en) * | 1980-04-17 | 1983-08-31 | Politechnika Wroclawska | Material level sensing element for liquids and electrically conductive pourable solid materials |
US4418571A (en) * | 1980-08-22 | 1983-12-06 | Veeder Industries, Inc. | Liquid level measuring system |
-
1983
- 1983-08-09 EP EP83201174A patent/EP0103321B1/de not_active Expired
- 1983-08-09 DE DE8383201174T patent/DE3373703D1/de not_active Expired
- 1983-08-17 CA CA000434819A patent/CA1212259A/en not_active Expired
- 1983-08-19 US US06/524,514 patent/US4553434A/en not_active Expired - Fee Related
- 1983-09-07 JP JP58164930A patent/JPS5968627A/ja active Granted
- 1983-09-07 NO NO833187A patent/NO157753C/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS5968627A (ja) | 1984-04-18 |
NO833187L (no) | 1984-03-12 |
JPH0356412B2 (de) | 1991-08-28 |
NO157753B (no) | 1988-02-01 |
CA1212259A (en) | 1986-10-07 |
US4553434A (en) | 1985-11-19 |
EP0103321B1 (de) | 1987-09-16 |
DE3373703D1 (en) | 1987-10-22 |
EP0103321A1 (de) | 1984-03-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN MARCH 2001 |