IT1394449B1 - Sensore di livello e relativo circuito di controllo, in particolare per un filtro di veicoli - Google Patents

Sensore di livello e relativo circuito di controllo, in particolare per un filtro di veicoli

Info

Publication number
IT1394449B1
IT1394449B1 ITTO2009A000399A ITTO20090399A IT1394449B1 IT 1394449 B1 IT1394449 B1 IT 1394449B1 IT TO2009A000399 A ITTO2009A000399 A IT TO2009A000399A IT TO20090399 A ITTO20090399 A IT TO20090399A IT 1394449 B1 IT1394449 B1 IT 1394449B1
Authority
IT
Italy
Prior art keywords
control circuit
level sensor
vehicle filter
filter
vehicle
Prior art date
Application number
ITTO2009A000399A
Other languages
English (en)
Inventor
Marco Molinaro
Paolo Colombo
Mauro Zorzetto
Original Assignee
Eltek Spa
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 Eltek Spa filed Critical Eltek Spa
Priority to ITTO2009A000399A priority Critical patent/IT1394449B1/it
Priority to US13/322,411 priority patent/US9109938B2/en
Priority to CA2762850A priority patent/CA2762850C/en
Priority to EP10730527A priority patent/EP2435803A1/en
Priority to PCT/IB2010/052301 priority patent/WO2010136959A1/en
Priority to CN201080023515.3A priority patent/CN102449442B/zh
Priority to BRPI1015438-8A priority patent/BRPI1015438A2/pt
Publication of ITTO20090399A1 publication Critical patent/ITTO20090399A1/it
Application granted granted Critical
Publication of IT1394449B1 publication Critical patent/IT1394449B1/it

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
    • G01F23/24—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 resistance of resistors due to contact with conductor fluid
    • G01F23/241—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 resistance of resistors due to contact with conductor fluid for discrete levels
    • G01F23/243—Schematic arrangements of probes combined with measuring circuits
    • G01F23/244—Schematic arrangements of probes combined with measuring circuits comprising oscillating circuits
    • 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
    • G01F23/24—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 resistance of resistors due to contact with conductor fluid
    • G01F23/241—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 resistance of resistors due to contact with conductor fluid for discrete levels
    • G01F23/242—Mounting arrangements for electrodes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
    • G01F25/24—Testing proper functioning of electronic circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Networks Using Active Elements (AREA)
ITTO2009A000399A 2009-05-26 2009-05-26 Sensore di livello e relativo circuito di controllo, in particolare per un filtro di veicoli IT1394449B1 (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ITTO2009A000399A IT1394449B1 (it) 2009-05-26 2009-05-26 Sensore di livello e relativo circuito di controllo, in particolare per un filtro di veicoli
US13/322,411 US9109938B2 (en) 2009-05-26 2010-05-25 Level sensor and associated control circuit, in particular for a filter for vehicles
CA2762850A CA2762850C (en) 2009-05-26 2010-05-25 Level sensor and associated control circuit, in particular for a filter for vehicles
EP10730527A EP2435803A1 (en) 2009-05-26 2010-05-25 Level sensor and associated control circuit, in particular for a filter for vehicles
PCT/IB2010/052301 WO2010136959A1 (en) 2009-05-26 2010-05-25 Level sensor and associated control circuit, in particular for a filter for vehicles
CN201080023515.3A CN102449442B (zh) 2009-05-26 2010-05-25 特别用于车辆过滤器的液位传感器和相关联的控制电路
BRPI1015438-8A BRPI1015438A2 (pt) 2009-05-26 2010-05-25 sensor de nível e circuito de controle de associado em particular para um filtro de veículos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO2009A000399A IT1394449B1 (it) 2009-05-26 2009-05-26 Sensore di livello e relativo circuito di controllo, in particolare per un filtro di veicoli

Publications (2)

Publication Number Publication Date
ITTO20090399A1 ITTO20090399A1 (it) 2010-11-27
IT1394449B1 true IT1394449B1 (it) 2012-06-15

Family

ID=41402576

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO2009A000399A IT1394449B1 (it) 2009-05-26 2009-05-26 Sensore di livello e relativo circuito di controllo, in particolare per un filtro di veicoli

Country Status (7)

Country Link
US (1) US9109938B2 (it)
EP (1) EP2435803A1 (it)
CN (1) CN102449442B (it)
BR (1) BRPI1015438A2 (it)
CA (1) CA2762850C (it)
IT (1) IT1394449B1 (it)
WO (1) WO2010136959A1 (it)

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* Cited by examiner, † Cited by third party
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CN103797359B (zh) * 2011-07-20 2016-06-01 奥普特克－丹奴拉特有限责任公司 用于测量液体介质的电导率的装置
CN105091976A (zh) * 2015-09-11 2015-11-25 北京美科艺数码科技发展有限公司 一种液位传感器
US10381823B2 (en) * 2016-05-20 2019-08-13 Infineon Technologies Ag Device with power switch
CN108627218B (zh) * 2017-03-20 2021-10-08 安普泰科电子韩国有限公司 产生输出信号的液体检测传感器以及连接至液体检测传感器的传感器诊断装置
DE102017127145B4 (de) * 2017-11-17 2021-03-04 BEDIA Motorentechnik GmbH & Co. KG Vorrichtung und Verfahren zur kapazitiven Messung eines Füllstands eines Füllmediums
KR102529912B1 (ko) * 2017-12-13 2023-05-08 현대자동차주식회사 배터리 시스템의 수분 유입 감지 장치 및 방법, 그리고 차량 시스템
DE102017222845A1 (de) 2017-12-15 2019-06-19 Robert Bosch Gmbh Sensoreinrichtung zum Erfassen von elektrisch leitfähigen Medien, Verfahren zum Betreiben der Sensoreinrichtung
US11175171B2 (en) * 2018-10-02 2021-11-16 GM Global Technology Operations LLC Fuel level display filter algorithm adjust to prevent fuel run out with fuel displayed on gauge
CN110806246A (zh) * 2019-11-15 2020-02-18 深圳朗特智能控制股份有限公司 一种水位监测装置及其水位监测方法、***、存储介质
US11668595B1 (en) * 2021-09-10 2023-06-06 Consolidated Nuclear Security, LLC Fluid level and conductivity sensor for high temperature applications

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US3668630A (en) * 1970-06-22 1972-06-06 Ford Motor Co Low liquid level indicator
US3978463A (en) 1975-08-04 1976-08-31 General Motors Corporation Oscillator energized liquid level indicator
JPS5727550Y2 (it) 1979-01-10 1982-06-16
US4265262A (en) * 1979-03-19 1981-05-05 William Hotine Fluent material level control system
US4638305A (en) * 1985-03-22 1987-01-20 General Motors Corporation Apparatus for detecting water in fuel
WO1996004630A1 (en) * 1994-08-03 1996-02-15 Drexelbrook Controls, Inc. High reliability instrument system
US5719556A (en) * 1995-05-22 1998-02-17 Albin; Robert Liquid level sensor utilizing AC and resistance
FR2788339B1 (fr) * 1999-01-12 2001-03-30 Peugeot Citroen Automobiles Sa Systeme de controle d'un circuit hydraulique de vehicule automobile
US6904800B2 (en) * 2001-05-24 2005-06-14 Potter Electric Signal Company Low-water cut-off system
ITTO20011087A1 (it) * 2001-11-21 2003-05-21 Fiat Auto Spa Procedimento di diagnosi di anomalie di funzionamento o guasti di un sistema ndicatore del livello del carburante contenuto nel serbatoio di
US6736006B2 (en) * 2001-12-31 2004-05-18 Trn Business Trust Level detector for a material in a container
JP3752599B2 (ja) 2002-05-29 2006-03-08 現代自動車株式会社 自動車の燃料レベルセンサーの故障判定方法
JP3849867B2 (ja) * 2002-07-24 2006-11-22 ソニー株式会社 液体検出装置及び液体量検出装置
CN1285890C (zh) 2004-06-18 2006-11-22 李虬 水位测量仪
US7373817B2 (en) * 2004-07-09 2008-05-20 Touchsensor Technologies, Llc Solid state fluid level sensor
US7219545B2 (en) 2004-07-28 2007-05-22 Vertex Pharmaceuticals, Inc. Sensor for levels of conductive liquids
DE102004048565A1 (de) 2004-10-04 2006-04-06 Mann + Hummel Gmbh Flüssigkeitsfilter
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Also Published As

Publication number Publication date
US9109938B2 (en) 2015-08-18
BRPI1015438A2 (pt) 2020-11-03
WO2010136959A1 (en) 2010-12-02
EP2435803A1 (en) 2012-04-04
CN102449442A (zh) 2012-05-09
CA2762850C (en) 2018-04-24
CN102449442B (zh) 2017-03-01
US20120073366A1 (en) 2012-03-29
CA2762850A1 (en) 2010-12-02
ITTO20090399A1 (it) 2010-11-27

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