NO742093L - - Google Patents

Info

Publication number
NO742093L
NO742093L NO742093A NO742093A NO742093L NO 742093 L NO742093 L NO 742093L NO 742093 A NO742093 A NO 742093A NO 742093 A NO742093 A NO 742093A NO 742093 L NO742093 L NO 742093L
Authority
NO
Norway
Prior art keywords
elements
stated
magnet
specified
appropriate
Prior art date
Application number
NO742093A
Other languages
English (en)
Norwegian (no)
Inventor
B R Hope
Original Assignee
Navaltronic As
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 Navaltronic As filed Critical Navaltronic As
Priority to NO742093A priority Critical patent/NO742093L/no
Priority to DE19752524608 priority patent/DE2524608A1/de
Priority to NL7506676A priority patent/NL7506676A/xx
Priority to DD186505A priority patent/DD119088A5/xx
Priority to SE7506577A priority patent/SE7506577L/xx
Priority to ES438360A priority patent/ES438360A1/es
Priority to DK257675A priority patent/DK257675A/da
Priority to FR7517943A priority patent/FR2274030A1/fr
Priority to JP50069246A priority patent/JPS518966A/ja
Priority to US05/585,609 priority patent/US4003259A/en
Priority to IT12646/75A priority patent/IT1049152B/it
Publication of NO742093L publication Critical patent/NO742093L/no

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
    • 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

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)
NO742093A 1974-06-10 1974-06-10 NO742093L (zh)

Priority Applications (11)

Application Number Priority Date Filing Date Title
NO742093A NO742093L (zh) 1974-06-10 1974-06-10
DE19752524608 DE2524608A1 (de) 1974-06-10 1975-06-03 Verfahren und anordnung zur kapazitiven pegelmessung
NL7506676A NL7506676A (nl) 1974-06-10 1975-06-05 Werkwijze en inrichting voor capacitieve niveau- metingen.
DD186505A DD119088A5 (zh) 1974-06-10 1975-06-06
SE7506577A SE7506577L (sv) 1974-06-10 1975-06-09 Sett och anordning for kapacitiv nivametning.
ES438360A ES438360A1 (es) 1974-06-10 1975-06-09 Un metodo para la medicion del nivel capacitivo de sustan- cias libremente flotantes; granulos, solidos o una combina- cion de dichas sustancias y dispositivo para su realizacion.
DK257675A DK257675A (da) 1974-06-10 1975-06-09 Fremgangsmade og apparat til kapacitiv niveaumaling
FR7517943A FR2274030A1 (fr) 1974-06-10 1975-06-09 Procede et dispositif de mesure capacitive de niveau
JP50069246A JPS518966A (zh) 1974-06-10 1975-06-10
US05/585,609 US4003259A (en) 1974-06-10 1975-06-10 Method and a device for capacitive level measurement
IT12646/75A IT1049152B (it) 1974-06-10 1975-06-10 Metodo e dispositivo per la misurazione capacitiva di unlivello

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO742093A NO742093L (zh) 1974-06-10 1974-06-10

Publications (1)

Publication Number Publication Date
NO742093L true NO742093L (zh) 1975-12-11

Family

ID=19881656

Family Applications (1)

Application Number Title Priority Date Filing Date
NO742093A NO742093L (zh) 1974-06-10 1974-06-10

Country Status (11)

Country Link
US (1) US4003259A (zh)
JP (1) JPS518966A (zh)
DD (1) DD119088A5 (zh)
DE (1) DE2524608A1 (zh)
DK (1) DK257675A (zh)
ES (1) ES438360A1 (zh)
FR (1) FR2274030A1 (zh)
IT (1) IT1049152B (zh)
NL (1) NL7506676A (zh)
NO (1) NO742093L (zh)
SE (1) SE7506577L (zh)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL126453B1 (en) * 1980-04-17 1983-08-31 Politechnika Wroclawska Material level sensing element for liquids and electrically conductive pourable solid materials
US4350040A (en) * 1980-06-26 1982-09-21 The United States Of America As Represented By The United States Department Of Energy Capacitance-level/density monitor for fluidized-bed combustor
EP0103321B1 (en) * 1982-09-09 1987-09-16 Shell Internationale Researchmaatschappij B.V. Capacitive level gauge
US4589077A (en) * 1983-07-27 1986-05-13 Southwest Pump Company Liquid level and volume measuring method and apparatus
GB8401221D0 (en) * 1984-01-17 1984-02-22 Shell Int Research Level gauge
US4601201A (en) * 1984-03-14 1986-07-22 Tokyo Tatsuno Co., Ltd. Liquid level and quantity measuring apparatus
JPS60192226A (ja) * 1984-03-14 1985-09-30 Tokyo Tatsuno Co Ltd 静電容量式液面計
JPS61127487A (ja) * 1984-11-15 1986-06-14 三菱重工業株式会社 充填機
US4864857A (en) * 1988-03-16 1989-09-12 Koon Terry D Level indicator
US5005407A (en) * 1988-10-11 1991-04-09 Level Electronics, Inc. Fluid level sensing system
US4994749A (en) * 1988-12-16 1991-02-19 General Electric Company Liquid sensor with high sensitivity near empty
US5182545A (en) * 1989-01-06 1993-01-26 Standex International Corporation Fluid level sensor having capacitive sensor
CA1332183C (en) * 1989-06-23 1994-09-27 Richard W. Henderson Capacitance probe assembly
JPH04158224A (ja) * 1990-10-22 1992-06-01 Toyota Tsusho Kk レベル検出回路
DE4320357C2 (de) * 1993-06-19 1997-02-13 Ier Mes Und Regeltechnik Eberh Füllstandsgeber zur Grenzwerterfassung von elektrisch oder kapazitiv leitfähigen Flüssigkeiten
US5722290A (en) * 1995-03-21 1998-03-03 The United States Of America As Represented By The United States Department Of Energy Closed-field capacitive liquid level sensor
GB9519006D0 (en) * 1995-09-16 1995-11-15 Rolls Royce & Ass Capacitance probe
CA2176860C (en) * 1996-05-17 2001-05-15 Hiroshi Kawakatsu A method for measuring a fluid level and an apparatus thereof
NO308333B2 (no) 1997-04-08 2000-08-28 Sentech As Anordning for kapasitiv elektrisk deteksjon eller maling
EP1080458B1 (en) * 1998-05-21 2007-08-15 Smiths Aerospace, Inc. Fault condition protective device for aircraft fuel gauging systems
DE19849706A1 (de) * 1998-10-28 2000-05-04 Walther Menhardt Füllstand-Meßsystem mit digitaler Signalausgabe
DE10008093B4 (de) * 2000-02-22 2007-07-05 Ifm Electronic Gmbh Kapazitives Füllstandsmessgerät
DE10261767A1 (de) * 2002-12-19 2004-07-15 Hydac Electronic Gmbh Vorrichtung und Verfahren zur Kapazitätsmessung sowie Einrichtung zum Ermitteln des Füllstandes einer Flüssigkeit mit einer solchen Vorrichtung
US6840100B1 (en) 2003-09-04 2005-01-11 Richard A. Wotiz Liquid level indicator
US6923056B2 (en) * 2003-10-10 2005-08-02 Delphi Technologies, Inc. Resonant network fluid level sensor assembly
EP1889015A4 (en) * 2005-06-08 2014-06-11 Lumenite Control Technology Inc SELF-CALIBRATING LIQUID LEVEL TRANSMITTER
EP1744132A1 (en) * 2005-07-11 2007-01-17 Siemens Milltronics Process Instruments Inc. Capacitive level sensor with a plurality of segments comprising each a capacitor and a circuit
ES2311317B2 (es) * 2005-09-08 2010-10-13 Universitat Politecnica De Catalunya Metodo y aparato para medir el nivel de liquidos, el espesor de capas de liquidos estratificados y el gradiente de concentraciones en liquidos no homogeneos.
US8448750B2 (en) * 2007-09-26 2013-05-28 Caterpillar Inc. Lubrication system level control
US7802471B2 (en) * 2007-12-28 2010-09-28 Sieh Philip J Liquid level sensing device and method
KR100983465B1 (ko) * 2008-06-03 2010-09-24 주식회사 켐트로닉스 레벨 감지 장치
GB0909510D0 (en) * 2009-06-03 2009-07-15 Airbus Uk Ltd Fuel level measurement apparatus and method
US8924167B2 (en) 2012-05-23 2014-12-30 Thomas R. Decker Sediment monitoring system for stormwater management facilities
RU2629540C2 (ru) * 2012-06-14 2017-08-29 Конинклейке Филипс Н.В. Емкостной датчик уровня
US20160298996A1 (en) * 2015-04-10 2016-10-13 Covar Applied Technologies, Inc. Discrete capacitive flow stream height measurement for partially filled pipes
ITUB20159220A1 (it) * 2015-12-24 2017-06-24 Eltek Spa Dispositivo e metodo per la rilevazione del livello di un mezzo
EP3367075B1 (en) 2017-02-22 2019-12-11 Zodiac Aerotechnics Capacitor fuel probe
IT201700082457A1 (it) * 2017-07-20 2019-01-20 Eltek Spa Dispositivo per la rilevazione del livello di un mezzo
DE102018203633A1 (de) * 2018-03-09 2019-09-12 Kautex Textron Gmbh & Co. Kg Betriebsflüssigkeitsbehälter mit kapazitiver Erfassung von Füllständen
WO2021221681A1 (en) * 2020-05-01 2021-11-04 Du Derrick Foldable and intrinsically safe plate capacitive sensors for sensing depth of solids in liquids and sensing depth of two different types of liquids in hazardous locations

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2511398A (en) * 1945-07-17 1950-06-13 Liquidometer Corp Float controlled capacitor transmitter
US3443438A (en) * 1967-02-10 1969-05-13 Robert Edgar Martin Fluid indicating apparatus
FR96297E (fr) * 1967-11-24 1972-06-16 Gen Electric Détecteur de niveau de liquides.
US3505869A (en) * 1968-04-17 1970-04-14 Us Air Force Apparatus for measuring fluid level in a container
US3646293A (en) * 1970-04-06 1972-02-29 William A Howard Electrical signal generator and liquid level indicator

Also Published As

Publication number Publication date
NL7506676A (nl) 1975-12-12
FR2274030A1 (fr) 1976-01-02
SE7506577L (sv) 1975-12-11
DK257675A (da) 1975-12-11
DD119088A5 (zh) 1976-04-05
US4003259A (en) 1977-01-18
DE2524608A1 (de) 1975-12-18
IT1049152B (it) 1981-01-20
JPS518966A (zh) 1976-01-24
ES438360A1 (es) 1977-01-16

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