DE3871738T2 - Fluessigkeitsstandfuehleinrichtung. - Google Patents

Fluessigkeitsstandfuehleinrichtung.

Info

Publication number
DE3871738T2
DE3871738T2 DE8888906582T DE3871738T DE3871738T2 DE 3871738 T2 DE3871738 T2 DE 3871738T2 DE 8888906582 T DE8888906582 T DE 8888906582T DE 3871738 T DE3871738 T DE 3871738T DE 3871738 T2 DE3871738 T2 DE 3871738T2
Authority
DE
Germany
Prior art keywords
liquid level
level detector
detector
liquid
level
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
DE8888906582T
Other languages
English (en)
Other versions
DE3871738D1 (de
Inventor
Paul Labriola
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.)
Beckman Coulter Inc
Original Assignee
Beckman Instruments 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 Beckman Instruments Inc filed Critical Beckman Instruments Inc
Application granted granted Critical
Publication of DE3871738D1 publication Critical patent/DE3871738D1/de
Publication of DE3871738T2 publication Critical patent/DE3871738T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
    • 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
    • G01F23/266—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
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
    • G01N2035/1025—Fluid level sensing
DE8888906582T 1987-06-26 1988-06-09 Fluessigkeitsstandfuehleinrichtung. Expired - Lifetime DE3871738T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/067,183 US4912976A (en) 1987-06-26 1987-06-26 Liquid level sensing apparatus
PCT/US1988/001987 WO1988010412A1 (en) 1987-06-26 1988-06-09 Liquid level sensing apparatus

Publications (2)

Publication Number Publication Date
DE3871738D1 DE3871738D1 (de) 1992-07-09
DE3871738T2 true DE3871738T2 (de) 1992-12-10

Family

ID=22074259

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888906582T Expired - Lifetime DE3871738T2 (de) 1987-06-26 1988-06-09 Fluessigkeitsstandfuehleinrichtung.

Country Status (7)

Country Link
US (1) US4912976A (de)
EP (1) EP0319573B1 (de)
JP (1) JPH0641140Y2 (de)
AU (1) AU598693B2 (de)
DE (1) DE3871738T2 (de)
ES (1) ES2009298A6 (de)
WO (1) WO1988010412A1 (de)

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US5365783A (en) * 1993-04-30 1994-11-22 Packard Instrument Company, Inc. Capacitive sensing system and technique
JPH08512417A (ja) * 1993-07-09 1996-12-24 アクゾ・ノベル・エヌ・ベー 検定装置用メモリ制御装置
US5493922A (en) * 1993-07-09 1996-02-27 Akzo N.V. Liquid level sensing probe and control circuit
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US5602333A (en) * 1994-06-17 1997-02-11 Smiths Industries Apparatus for measuring the level of a liquid in a tank
DE69525570T2 (de) * 1994-07-28 2002-08-22 Hitachi Ltd Probensammler für flüssige Proben
NL9500217A (nl) * 1995-02-06 1996-09-02 Meridian Instr Bv Capacitieve meetinrichting.
US6378435B1 (en) * 1995-04-03 2002-04-30 General Dynamics Decision Systems, Inc. Variable target transition detection capability and method therefor
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US6158269A (en) * 1995-07-13 2000-12-12 Bayer Corporation Method and apparatus for aspirating and dispensing sample fluids
US5750881A (en) * 1995-07-13 1998-05-12 Chiron Diagnostics Corporation Method and apparatus for aspirating and dispensing sample fluids
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AR017411A1 (es) 1997-11-19 2001-09-05 Grifols Sa Aparato para la realizacion automatica de pruebas de laboratorio
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JP4497637B2 (ja) 1999-11-01 2010-07-07 株式会社ノーケン 静電容量式検知装置
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US6606906B2 (en) 2001-09-06 2003-08-19 Trn Business Trust Digital conversion adapter for magnetically coupled level meters
US6736006B2 (en) 2001-12-31 2004-05-18 Trn Business Trust Level detector for a material in a container
FR2838824B1 (fr) * 2002-04-19 2005-02-04 Sogem Fl Procede et dispositif pour reguler automatiquement une quantite de produit deposee de maniere repetitive par un actionneur de depose, et l'installation de depose equipee d'un tel dispositif
US6938478B2 (en) 2002-11-14 2005-09-06 Herman Diaz Arias Impedance level meter for liquids in tanks
US20040093939A1 (en) * 2002-11-14 2004-05-20 Arias Herman Diaz Non-contact level detector for fluids in a container
US7191647B2 (en) * 2003-10-30 2007-03-20 Perkinelmer Las, Inc. Method and apparatus to reject electrical interference in a capacitive liquid level sensor system
US8651824B2 (en) * 2005-03-25 2014-02-18 Diversitech Corporation Condensate pump
US8602744B2 (en) * 2005-03-25 2013-12-10 Diversitech Corporation Condensate pump
US7814788B2 (en) * 2006-10-20 2010-10-19 Abbott Laboratories, Inc. Liquid level sensor
CN101858770B (zh) * 2009-04-09 2013-04-24 深圳迈瑞生物医疗电子股份有限公司 液面检测装置及加样系统
US8225654B2 (en) * 2009-07-01 2012-07-24 Tecan Trading Ag Self-compensating capacitive liquid level detector
CH702180B1 (de) * 2009-11-02 2015-02-13 Tecan Trading Ag Verfahren zum Testen eines Laborgeräts und entsprechendes Laborgerät.
CN103551212B (zh) 2010-07-23 2016-01-20 贝克曼考尔特公司 试剂盒
US8869612B2 (en) 2011-03-08 2014-10-28 Baxter International Inc. Non-invasive radio frequency liquid level and volume detection system using phase shift
US20120291811A1 (en) * 2011-05-20 2012-11-22 Dabney James H Feeding Tube Cleaning Devices and Methods
US9529009B2 (en) 2011-06-06 2016-12-27 Hitachi High-Technologies Corporation Automatic analyzer
US9574928B2 (en) 2012-02-13 2017-02-21 Goodrich Corporation Liquid level sensing systems
US9261395B2 (en) 2012-02-13 2016-02-16 Goodrich Corporation Liquid level sensing system
JP2015087329A (ja) * 2013-10-31 2015-05-07 シスメックス株式会社 吸引部の位置調整方法及び検体処理装置
US10401209B2 (en) * 2016-06-22 2019-09-03 Abbott Laboratories Liquid level sensing apparatus and related methods
US11187569B2 (en) * 2017-03-09 2021-11-30 King Abdullah University Of Science And Technology Fluid characteristic sensor, sensor system, and method
US11069678B2 (en) * 2017-08-29 2021-07-20 Qorvo Us, Inc. Logic gate cell structure
CN114532701A (zh) * 2018-06-22 2022-05-27 必胜公司 表面清洁装置
WO2023288032A1 (en) 2021-07-15 2023-01-19 Beckman Coulter, Inc. Fluid handling systems with function checks
CN113959523A (zh) * 2021-09-22 2022-01-21 青岛海尔生物医疗科技有限公司 用于培养设备的液位检测装置及方法、培养设备及介质
WO2023086302A1 (en) 2021-11-09 2023-05-19 Beckman Coulter, Inc. Automated pipette tip organizing for fluid handling systems
US20240053184A1 (en) * 2022-08-15 2024-02-15 Instrumentation Laboratory Co. Liquid level detection based on tunable inductive-capacitive tank circuit

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Also Published As

Publication number Publication date
ES2009298A6 (es) 1989-09-16
AU2132688A (en) 1989-01-19
DE3871738D1 (de) 1992-07-09
WO1988010412A1 (en) 1988-12-29
JPH02500020U (de) 1990-04-26
EP0319573A1 (de) 1989-06-14
AU598693B2 (en) 1990-06-28
US4912976A (en) 1990-04-03
JPH0641140Y2 (ja) 1994-10-26
EP0319573B1 (de) 1992-06-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee