NO833187L - Kapasitiv nivaamaaler - Google Patents

Kapasitiv nivaamaaler

Info

Publication number: NO833187L
Authority: NO; Norway
Prior art keywords: capacity levels; levels; capacity
Prior art date: 1982-09-09

Application number

NO833187A

Other languages

English (en)

Other versions

NO157753C (no

NO157753B (no

Inventor

Klaas Spaargaren

Original Assignee

Shell Int Research

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.)

1982-09-09

Filing date

1983-09-07

Publication date

1984-03-12

1983-09-07 Application filed by Shell Int Research filed Critical Shell Int Research

1984-03-12 Publication of NO833187L publication Critical patent/NO833187L/no

1988-02-01 Publication of NO157753B publication Critical patent/NO157753B/no

1988-05-11 Publication of NO157753C publication Critical patent/NO157753C/no

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)

NO833187A 1982-09-09 1983-09-07 Kapasitiv nivaamaaler. NO157753C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8225676		1982-09-09

Publications (3)

Publication Number	Publication Date
NO833187L true NO833187L (no)	1984-03-12
NO157753B NO157753B (no)	1988-02-01
NO157753C 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 (no)
EP (1)	EP0103321B1 (no)
JP (1)	JPS5968627A (no)
CA (1)	CA1212259A (no)
DE (1)	DE3373703D1 (no)
NO (1)	NO157753C (no)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
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
US6138508A (en) *	1993-10-27	2000-10-31	Kdi Precision Products, Inc.	Digital liquid level sensing apparatus
US5406843A (en) *	1993-10-27	1995-04-18	Kdi Corporation, Inc.	Digital liquid level sensing apparatus
US6125696A (en) *	1993-10-27	2000-10-03	Kdi Precision Products, Inc.	Digital liquid level sensing apparatus
US5613399A (en) *	1993-10-27	1997-03-25	Kdi Precision Products, Inc.	Method for liquid level detection
US5437184A (en) *	1993-10-27	1995-08-01	Kdi/Triangle Electronics, Inc.	Capacitive liquid level sensor having phase detecting circuitry
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
EP0931244A1 (en) *	1997-06-12	1999-07-28	Andrew M. Matulek	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
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
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
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
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
US10914698B2 (en)	2006-11-16	2021-02-09	General Electric Company	Sensing method and system
US9658178B2 (en)	2012-09-28	2017-05-23	General Electric Company	Sensor systems for measuring an interface level in a multi-phase fluid composition
US9538657B2 (en)	2012-06-29	2017-01-03	General Electric Company	Resonant sensor and an associated sensing method
US9589686B2 (en)	2006-11-16	2017-03-07	General Electric Company	Apparatus for detecting contaminants in a liquid and a system for use thereof
US9536122B2 (en)	2014-11-04	2017-01-03	General Electric Company	Disposable multivariable sensing devices having radio frequency based sensors
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
US9574928B2 (en)	2012-02-13	2017-02-21	Goodrich Corporation	Liquid level sensing systems
US9261395B2 (en)	2012-02-13	2016-02-16	Goodrich Corporation	Liquid level sensing system
EA030927B1 (ru)	2012-08-22	2018-10-31	Дженерал Электрик Компани	Система и способ беспроводного измерения параметров рабочего состояния машины
US10598650B2 (en)	2012-08-22	2020-03-24	General Electric Company	System and method for measuring an operative condition of a machine
US10684268B2 (en)	2012-09-28	2020-06-16	Bl Technologies, Inc.	Sensor systems for measuring an interface level in a multi-phase fluid composition
US10451467B2 (en) *	2014-10-08	2019-10-22	Semiconductor Components Industries, Llc	Level sensor and method

Family Cites Families (14)

* Cited by examiner, † Cited by third party
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
US3935739A (en) *	1974-04-10	1976-02-03	Liquidometer Corporation	Liquid level gauging apparatus
US3911744A (en) *	1974-04-10	1975-10-14	Liquidometer Corp	Liquid level gauging apparatus
NO742093L (no) *	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 DE DE8383201174T patent/DE3373703D1/de not_active Expired
- 1983-08-09 EP EP83201174A patent/EP0103321B1/en 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 NO NO833187A patent/NO157753C/no not_active IP Right Cessation
- 1983-09-07 JP JP58164930A patent/JPS5968627A/ja active Granted

Also Published As

Publication number	Publication date
EP0103321A1 (en)	1984-03-21
DE3373703D1 (en)	1987-10-22
JPH0356412B2 (no)	1991-08-28
CA1212259A (en)	1986-10-07
NO157753C (no)	1988-05-11
NO157753B (no)	1988-02-01
EP0103321B1 (en)	1987-09-16
US4553434A (en)	1985-11-19
JPS5968627A (ja)	1984-04-18

Publication	Publication Date	Title
NO833187L (no)	1984-03-12	Kapasitiv nivaamaaler
BE895653A (fr)	1983-05-16	Katalytische verbrander
DK320783A (da)	1984-01-14	Klaebemiddel
SE8403944D0 (sv)	1984-08-01	Utloppsvermepanna
BE895921A (fr)	1983-06-16	Sterilet
BE894865A (fr)	1983-04-29	Biertransportwagen
AT381170B (de)	1986-09-10	Hypsometer
AT382452B (de)	1987-02-25	Drehrohrofen
ATA127782A (de)	1983-04-15	Ruestungstraeger
BE895597A (fr)	1983-05-02	Verwarmingsstelsel
KR830004253U (ko)	1983-12-30	레 벨 기
ATA446582A (de)	1984-11-15	Wasserwaage
DK209382A (da)	1983-11-11	Dobbelstroemkreds-akkumulator
ES268760Y (es)	1984-08-01	Caja-bandeja mejorada
BR8203089A (pt)	1984-01-03	Aquecedor-pressurizador
BR6200467U (pt)	1983-11-16	Pantalha
BR6201241U (pt)	1984-04-17	Poli-movel
BR6201240U (pt)	1984-04-17	Multi-movel
BR6201225U (pt)	1984-04-17	Unisola
BR6201181U (pt)	1984-04-03	Varal
BR6201022U (pt)	1982-11-30	Fiteiro
BR6200964U (pt)	1984-02-28	Plafonnier
BR6200901U (pt)	1982-12-14	Canudo sanfonado
BR6200792U (pt)	1984-01-10	Micro-destilaria
BR6200787U (pt)	1984-01-10	Despoluidor eolico

Legal Events

Date	Code	Title	Description
2001-04-30	MM1K	Lapsed by not paying the annual fees	Free format text: LAPSED IN MARCH 2001