DE602005020617D1 - Kapazitiver flüssigkeitszustandssensor - Google Patents

Kapazitiver flüssigkeitszustandssensor

Info

Publication number
DE602005020617D1
DE602005020617D1 DE602005020617T DE602005020617T DE602005020617D1 DE 602005020617 D1 DE602005020617 D1 DE 602005020617D1 DE 602005020617 T DE602005020617 T DE 602005020617T DE 602005020617 T DE602005020617 T DE 602005020617T DE 602005020617 D1 DE602005020617 D1 DE 602005020617D1
Authority
DE
Germany
Prior art keywords
status sensor
capacitive liquid
liquid status
capacitive
sensor
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.)
Active
Application number
DE602005020617T
Other languages
English (en)
Inventor
Yoshikuni Sato
Takashi Yamamoto
Takeo Sasanuma
Hideki Toyoda
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.)
Niterra Co Ltd
Original Assignee
NGK Spark Plug Co Ltd
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 NGK Spark Plug Co Ltd filed Critical NGK Spark Plug Co Ltd
Publication of DE602005020617D1 publication Critical patent/DE602005020617D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01F23/268—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
DE602005020617T 2004-05-18 2005-05-18 Kapazitiver flüssigkeitszustandssensor Active DE602005020617D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004148025 2004-05-18
PCT/JP2005/009037 WO2005111552A1 (ja) 2004-05-18 2005-05-18 静電容量式液状態検知センサ

Publications (1)

Publication Number Publication Date
DE602005020617D1 true DE602005020617D1 (de) 2010-05-27

Family

ID=35394260

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005020617T Active DE602005020617D1 (de) 2004-05-18 2005-05-18 Kapazitiver flüssigkeitszustandssensor

Country Status (5)

Country Link
US (1) US20070227887A1 (de)
EP (1) EP1754961B1 (de)
CN (1) CN100420924C (de)
DE (1) DE602005020617D1 (de)
WO (1) WO2005111552A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4828936B2 (ja) * 2005-12-27 2011-11-30 日本特殊陶業株式会社 液状態検知センサ
KR100983465B1 (ko) * 2008-06-03 2010-09-24 주식회사 켐트로닉스 레벨 감지 장치
US20100089037A1 (en) * 2008-10-15 2010-04-15 Ford Global Technologies, Llc Optimized discrete level sensing system for vehicle reductant reservoir
JP5529684B2 (ja) * 2010-09-03 2014-06-25 三菱重工業株式会社 静電容量型レベル計
DE112015004614T5 (de) * 2014-10-08 2017-06-22 Semiconductor Components Industries, Llc Pegelsensor und Verfahren
EP3285954A4 (de) * 2015-04-23 2019-01-09 Bryan Prucher Verbesserte schweisselektrodenkappe
CN106092262B (zh) * 2016-07-29 2019-05-31 上海航天设备制造总厂 用于低温绝缘介质液位连续测量的装置
JP6918680B2 (ja) * 2017-10-27 2021-08-11 ラピスセミコンダクタ株式会社 参照電極
DE102018101206A1 (de) 2018-01-19 2019-07-25 Endress+Hauser SE+Co. KG Sondeneinheit
GB2579794B (en) * 2018-12-13 2021-05-19 Charles Austen Pumps Ltd A capacitive liquid level sensor and liquid sensor assembly
CN109459113A (zh) * 2018-12-28 2019-03-12 成都市美金迪不锈钢制品有限公司 一种lng气瓶电容式液位传感器的壳体结构
RU2762020C1 (ru) * 2020-12-31 2021-12-14 Осаюхинг Омникомм Чувствительный элемент емкостного датчика уровня границы раздела сред
RU208412U1 (ru) * 2020-12-31 2021-12-16 Осаюхинг Омникомм Корпус для электродов для емкостного датчика уровня границы раздела сред
RU2759784C9 (ru) * 2020-12-31 2022-04-29 Осаюхинг Омникомм Изобретения, относящиеся к емкостному датчику уровня границы раздела сред
RU2761094C1 (ru) * 2020-12-31 2021-12-03 Осаюхинг Омникомм Система, относящаяся к емкостному датчику уровня границы раздела сред
RU2759692C1 (ru) * 2020-12-31 2021-11-16 Осаюхинг Омникомм Изобретения, относящиеся к емкостному датчику уровня границы раздела сред
RU2758995C1 (ru) * 2020-12-31 2021-11-08 Общество с ограниченной ответственностью "Омникомм Технологии" Изобретения, относящиеся к емкостному датчику уровня границы раздела сред
RU2761492C1 (ru) * 2020-12-31 2021-12-08 Осаюхинг Омникомм Система, относящаяся к емкостному датчику уровня границы раздела сред

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2918818A (en) * 1954-02-15 1959-12-29 Meyer Franklin Compensated capacitive gravimetric apparatus
JPS63101815U (de) * 1986-12-20 1988-07-02
CN2241325Y (zh) * 1995-06-30 1996-11-27 陈�光 电容式液位传感器
DE59713051D1 (de) * 1997-12-24 2011-01-20 Endress & Hauser Gmbh & Co Kg Probe
CN2319792Y (zh) * 1997-12-31 1999-05-19 李载达 小量程液位传感器
CN2386423Y (zh) * 1999-08-13 2000-07-05 毛克记 电容式锅炉水位传感器
US6443006B1 (en) * 2000-05-09 2002-09-03 Engineered Machined Products, Inc. Device which measures oil level and dielectric strength with a capacitance based sensor using a ratiometric algorithm
CA2384257A1 (en) * 2002-04-29 2003-10-29 Siemens Milltronics Process Instruments Inc. Time domain reflectometry probe for level sensing

Also Published As

Publication number Publication date
CN100420924C (zh) 2008-09-24
EP1754961A1 (de) 2007-02-21
EP1754961A4 (de) 2008-01-30
US20070227887A1 (en) 2007-10-04
WO2005111552A1 (ja) 2005-11-24
EP1754961B1 (de) 2010-04-14
CN1954197A (zh) 2007-04-25

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