DE60038087D1 - Resistiver Flüssigkeitsstandssensor und Steuerungssystem - Google Patents

Resistiver Flüssigkeitsstandssensor und Steuerungssystem

Info

Publication number
DE60038087D1
DE60038087D1 DE60038087T DE60038087T DE60038087D1 DE 60038087 D1 DE60038087 D1 DE 60038087D1 DE 60038087 T DE60038087 T DE 60038087T DE 60038087 T DE60038087 T DE 60038087T DE 60038087 D1 DE60038087 D1 DE 60038087D1
Authority
DE
Germany
Prior art keywords
control system
liquid level
level sensor
resistive liquid
resistive
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60038087T
Other languages
English (en)
Inventor
Chaffar Kazkaz
Richard C Francke
Bradley Space Beiermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
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 Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Application granted granted Critical
Publication of DE60038087D1 publication Critical patent/DE60038087D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
DE60038087T 1999-11-16 2000-11-07 Resistiver Flüssigkeitsstandssensor und Steuerungssystem Expired - Lifetime DE60038087D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/441,309 US6634229B1 (en) 1999-11-16 1999-11-16 Resistive fluid level sensing and control system

Publications (1)

Publication Number Publication Date
DE60038087D1 true DE60038087D1 (de) 2008-04-03

Family

ID=23752390

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60038087T Expired - Lifetime DE60038087D1 (de) 1999-11-16 2000-11-07 Resistiver Flüssigkeitsstandssensor und Steuerungssystem

Country Status (9)

Country Link
US (1) US6634229B1 (de)
EP (1) EP1103795B1 (de)
JP (1) JP2001174312A (de)
KR (1) KR100805310B1 (de)
CN (1) CN1184460C (de)
AR (1) AR022659A1 (de)
BR (1) BR0005264A (de)
CA (1) CA2323243C (de)
DE (1) DE60038087D1 (de)

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US6938476B2 (en) * 2003-06-25 2005-09-06 Agilent Technologies, Inc. Apparatus and methods for sensing fluid levels
DE102004026396B4 (de) * 2004-05-29 2007-10-31 Itw Automotive Products Gmbh & Co. Kg Vorrichtung zur Messung der Füllstandshöhe und/oder der Temperatur in einem Behälter
US7219545B2 (en) * 2004-07-28 2007-05-22 Vertex Pharmaceuticals, Inc. Sensor for levels of conductive liquids
US7436187B2 (en) * 2005-01-07 2008-10-14 Itt Manufacturing Enterprises, Inc. Conductance control for detecting foam and/or an unstable fluid line
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US7892217B2 (en) * 2005-04-10 2011-02-22 Future Path Medical, Llc Variable cross-section containment structure liquid measurement device
US8813551B2 (en) * 2005-04-10 2014-08-26 Future Path Medical Holding Co. Llc Device that accurately measures physiological fluid flow
WO2006133357A2 (en) * 2005-06-08 2006-12-14 Lumenite Control Technology Inc. Self-calibrating liquid level transmitter
US7392700B2 (en) * 2005-07-15 2008-07-01 Chrysler Llc Method and system for determining fuel level
WO2008073718A2 (en) * 2006-11-29 2008-06-19 Future Path Medical Llc Container for physiological fluids
US8196656B2 (en) * 2007-09-19 2012-06-12 Welldynamics, Inc. Position sensor for well tools
US8134462B1 (en) * 2008-08-08 2012-03-13 The United States Of America As Represented By The Secretary Of The Navy Self-contained sensor package for water security and safety
CN101819055A (zh) * 2010-05-14 2010-09-01 浙江苏泊尔家电制造有限公司 液位检测装置
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CN102928046B (zh) * 2012-10-24 2015-05-27 浙江无限新能源股份有限公司 无级式水位传感器
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JP6158057B2 (ja) * 2013-12-04 2017-07-05 株式会社東芝 電極式液位検出装置及び電極式液位検出方法
DE102014223945A1 (de) * 2014-11-25 2016-05-25 Volkswagen Aktiengesellschaft Traktionsbatterie eines Elektrofahrzeugs umfassend ein Flüssigkeitsdetektionssystem und Verfahren zum Erkennen einer Standhöhe einer Flüssigkeit in der Traktionsbatterie
CN107003169B (zh) * 2014-12-02 2019-09-24 株式会社富士金 液面检测电路、液位计、含有液位计的容器以及使用该容器的气化器
CN105185549A (zh) * 2015-09-22 2015-12-23 刘伟 具有退位开关的梯度性可控电感器、电子电路、电力系统
CN105161268A (zh) * 2015-09-22 2015-12-16 刘伟 具有退位开关的绕线式抽头型动态电感器、电能储存装置控制电路、电网设施
CN105161272A (zh) * 2015-09-22 2015-12-16 刘伟 具有进位开关的绕线式抽头型可控电感器、电子电路、自动化机械设备
CN105161271A (zh) * 2015-09-22 2015-12-16 刘伟 具有进位开关的绕线式抽头型动态电感器、电子设备、机电设备
CN105161266A (zh) * 2015-09-22 2015-12-16 刘伟 感抗渐减的线性动态电感器、弱电设备、超高压电力设备
CN105161270A (zh) * 2015-09-22 2015-12-16 刘伟 具有进位开关的梯度性可控电感器、电子电路、电力系统
CN105280381A (zh) * 2015-09-22 2016-01-27 刘伟 具有退位开关的串式梯度动态电容器、电机启动装置、矿山设备
CN105185547A (zh) * 2015-09-22 2015-12-23 刘伟 电感值渐大的线性可控电感器、电气设备、自动化工厂控制系统
CN105244128A (zh) * 2015-09-22 2016-01-13 刘伟 具有进位开关的绕线式抽头型动态电阻器、电子电路、用于核能发电的机械手设备
CN105321693A (zh) * 2015-09-22 2016-02-10 刘伟 具有退位开关的梯度性动态电感器、装置、电力系统
US10836178B2 (en) * 2016-10-05 2020-11-17 Hewlett Packard Develpment Company, L.P. Printing fluid cartridge with electrodes and method to the level of fluid in a printing fluid cartridge
CN106679763B (zh) * 2016-12-27 2019-04-19 西北工业大学 一种双丝分离电阻式熔融金属液液位传感器
CN107037834B (zh) * 2017-03-24 2020-07-03 金川集团股份有限公司 一种用于不规则小水箱液位的变频控制方法
US11867551B2 (en) * 2018-07-10 2024-01-09 Vitesco Technologies GmbH Signal transmitter for a fill level sensor of a container of a motor vehicle, and method for producing a signal transmitter for a fill level sensor of a container of a motor vehicle
JP7152340B2 (ja) * 2019-03-25 2022-10-12 トヨタ自動車株式会社 熱量制御装置及び熱量制御方法
CN113819976B (zh) * 2020-06-19 2024-06-07 广州极飞科技股份有限公司 水位与水电阻间映射关系生成、水位测量方法和装置
JP7109643B1 (ja) * 2021-10-20 2022-07-29 日本航空電子工業株式会社 静電容量式水位計
KR102438275B1 (ko) * 2021-12-22 2022-08-30 (주)티앤아이텍 솔더링장치의 솔더용융조 수위조절장치

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Also Published As

Publication number Publication date
JP2001174312A (ja) 2001-06-29
KR20010087119A (ko) 2001-09-15
EP1103795B1 (de) 2008-02-20
CN1296166A (zh) 2001-05-23
CA2323243A1 (en) 2001-05-16
BR0005264A (pt) 2001-07-03
CA2323243C (en) 2003-08-19
AR022659A1 (es) 2002-09-04
KR100805310B1 (ko) 2008-02-20
US6634229B1 (en) 2003-10-21
CN1184460C (zh) 2005-01-12
EP1103795A1 (de) 2001-05-30

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Legal Events

Date Code Title Description
8332 No legal effect for de