MX172359B - Detector capacitivo de liquido - Google Patents

Detector capacitivo de liquido

Info

Publication number
MX172359B
MX172359B MX019127A MX1912790A MX172359B MX 172359 B MX172359 B MX 172359B MX 019127 A MX019127 A MX 019127A MX 1912790 A MX1912790 A MX 1912790A MX 172359 B MX172359 B MX 172359B
Authority
MX
Mexico
Prior art keywords
level
capacitance
assembly
establish
substance
Prior art date
Application number
MX019127A
Other languages
English (en)
Inventor
Peter A Hochstein
Original Assignee
Peter A Hochstein
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 Peter A Hochstein filed Critical Peter A Hochstein
Publication of MX172359B publication Critical patent/MX172359B/es

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
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
    • G01F1/06—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with tangential admission
    • G01F1/07—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects using rotating vanes with tangential admission with mechanical coupling to the indicating device
    • 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)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

La presente invención se refiere a montaje para detección de nivel capacitivo, para colocar en un recipiente a fin de determinar la cantidad de un nivel de una substancia ahí, cuyo montaje comprende: detectores que tienen primero y segundo extremos, para medir el nivel de substancia entre el primer y segundo extremo; los detectores incluyen capacitores de medida que se extienden entre primero y segundo extremos que comprenden cuando menos dos montajes conductores paralelos para establecer una capacitancia eléctrica representativa de nivel y capacitores de referencia conectados en el segundo extremo, que comprenden cuando menos dos conductores paralelos para establecer una capacitancia eléctrica representativa de la constante dieléctrica; cuyo montaje está caracterizado por controles que responden a la capacitancia de nivel y la capacitancia de referencia, para producir una señal de nivel simultáneamente que representa tanto el nivel como la constante diléctrica.
MX019127A 1989-01-13 1990-01-12 Detector capacitivo de liquido MX172359B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/297,113 US4947689A (en) 1989-01-13 1989-01-13 Capacitive liquid sensor

Publications (1)

Publication Number Publication Date
MX172359B true MX172359B (es) 1993-12-14

Family

ID=23144912

Family Applications (1)

Application Number Title Priority Date Filing Date
MX019127A MX172359B (es) 1989-01-13 1990-01-12 Detector capacitivo de liquido

Country Status (6)

Country Link
US (2) US4947689A (es)
EP (1) EP0378304A3 (es)
JP (1) JPH0674994B2 (es)
KR (1) KR940008353B1 (es)
CA (1) CA2007649C (es)
MX (1) MX172359B (es)

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FR2765333B1 (fr) * 1997-06-27 1999-10-01 Canon Kk Procede et dispositif de suivi de la consommation d'un produit, par exemple une encre d'impression, utilisant un filtre passe-bas
DE19800054A1 (de) * 1998-01-02 1999-07-08 Volkswagen Ag Meßvorrichtung für eine Kraftstoffanzeige
DE19858695B4 (de) * 1998-12-18 2005-12-22 Siemens Ag Füllstandssensor
AU1794700A (en) 1998-12-22 2000-07-12 Alcor Medical Instruments Ltd. Method and device for monitoring fluid level
FR2795816B1 (fr) * 1999-07-02 2001-09-28 Roxer Capteur de niveau
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US6351132B1 (en) * 1999-09-03 2002-02-26 Kavlico Corporation Miscible liquid capacitive sensing system
DE10053592A1 (de) * 2000-10-27 2002-05-02 Siemens Ag Füllstandssensor und Verfahren zum Betreiben eines Füllstandssensors
DE10060477A1 (de) * 2000-12-06 2002-06-27 Bosch Gmbh Robert Vorrichtung und Verfahren zum Messen der Einspritzmenge von Einspritzdüsen, insbesondere für Kraftfahrzeuge
KR100535680B1 (ko) * 2001-07-13 2005-12-09 삼성전자주식회사 수위센서
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US6968739B1 (en) 2004-06-04 2005-11-29 Joseph Baron Gauge and method for indicating a level of a liquid in a tank
DE102005057077B4 (de) * 2004-11-30 2011-04-14 Hyundai Motor Co. Vorrichtung zum Scannen von Zuständen von Motoröl
EP1677084A1 (fr) * 2004-12-22 2006-07-05 Roxer Industries S.A. Capteur de niveau d'un liquide et méthode d'estimation.
US7183777B2 (en) * 2005-01-19 2007-02-27 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Natural Resources Integrated capacitive sensor system for the measurement of resistivity and dielectric constant in geophysical, environmental, groundwater and related applications
AU2006254863B2 (en) * 2005-06-08 2011-06-30 Lumenite Control Technology Inc. Self-calibrating liquid level transmitter
JP2009513963A (ja) * 2005-10-26 2009-04-02 イナジー・オートモーティブ・システムズ・リサーチ・（ソシエテ・アノニム） 静電容量式ゲージ
FR2892509B1 (fr) * 2005-10-26 2007-12-21 Inergy Automotive Systems Res Jauge capacitive pour reservoir a carburant
JP4795029B2 (ja) * 2006-01-23 2011-10-19 矢崎総業株式会社 液面レベルセンサ
WO2010077893A1 (en) * 2008-12-16 2010-07-08 Actuant Corporation Liquid level sensor having a reference capacitance
US8225654B2 (en) 2009-07-01 2012-07-24 Tecan Trading Ag Self-compensating capacitive liquid level detector
US8549910B2 (en) * 2010-01-07 2013-10-08 Federal-Mogul Corporation Fuel system electro-static potential differential level sensor element and hardware/software configuration
DE102010010749B4 (de) * 2010-03-09 2016-12-22 Wacker Neuson Produktion GmbH & Co. KG Antriebssystem mit Vorrichtung zur Unterbrechung des Betriebs bei drohendem Betriebsstoffmangel sowie Arbeitsgerät und Verfahren
JP5742462B2 (ja) * 2011-05-20 2015-07-01 トヨタ自動車株式会社 燃料タンク構造
CN102937473A (zh) * 2012-11-19 2013-02-20 成都泛华航空仪表电器有限公司 高温差液位测量传感器
US9810567B2 (en) 2013-05-03 2017-11-07 Dickey-John Corporation Calibration-free continuous bin level sensor
EP3108968A1 (de) * 2015-06-25 2016-12-28 Robatech AG Vorrichtung zum ermitteln des füllstands von geschmolzenem klebstoff in einem behälter
US9789697B1 (en) * 2016-07-27 2017-10-17 Xerox Corporation Fluid level sensor with combined capacitance and conductance
DE102018203633A1 (de) * 2018-03-09 2019-09-12 Kautex Textron Gmbh & Co. Kg Betriebsflüssigkeitsbehälter mit kapazitiver Erfassung von Füllständen
JPWO2020059866A1 (ja) * 2018-09-20 2021-10-21 株式会社潤工社 液体検知システム
US11674838B2 (en) 2019-04-04 2023-06-13 Poseidon Systems Llc Capacitive fringe field oil level sensor with integrated humidity and temperature sensing
WO2022031239A1 (en) * 2020-08-05 2022-02-10 Siam Compressor Industry Co., Ltd. A capacitance type liquid level sensor for a compressor
DE102020128243A1 (de) * 2020-10-27 2022-04-28 Kautex Textron Gmbh & Co. Kg Betriebsflüssigkeitsbehälter mit kapazitivem Füllstandsensor, Kraftfahrzeug mit einem Betriebsflüssigkeitsbehälter und Verfahren zur Funktionsprüfung eines Betriebsflüssigkeitsbehälters
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JP7156750B1 (ja) * 2022-08-30 2022-10-19 日本インフラ計測株式会社 計測装置、計測システム及び方法

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Also Published As

Publication number Publication date
EP0378304A2 (en) 1990-07-18
US4947689A (en) 1990-08-14
CA2007649A1 (en) 1990-07-13
CA2007649C (en) 1994-05-03
USRE34601E (en) 1994-05-10
JPH02264829A (ja) 1990-10-29
KR940008353B1 (ko) 1994-09-12
KR900012087A (ko) 1990-08-03
EP0378304A3 (en) 1992-04-01
JPH0674994B2 (ja) 1994-09-21

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