EP1565717A2 - Optische vorrichtung zum feststellen der anwesenheit von gasblasen in einer flüssigkeit - Google Patents

Optische vorrichtung zum feststellen der anwesenheit von gasblasen in einer flüssigkeit

Info

Publication number
EP1565717A2
EP1565717A2 EP03789495A EP03789495A EP1565717A2 EP 1565717 A2 EP1565717 A2 EP 1565717A2 EP 03789495 A EP03789495 A EP 03789495A EP 03789495 A EP03789495 A EP 03789495A EP 1565717 A2 EP1565717 A2 EP 1565717A2
Authority
EP
European Patent Office
Prior art keywords
light
liquid
detector
client system
light source
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.)
Withdrawn
Application number
EP03789495A
Other languages
English (en)
French (fr)
Inventor
Pascal Castro
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.)
SC2N SAS
Original Assignee
SC2N SAS
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 SC2N SAS filed Critical SC2N SAS
Publication of EP1565717A2 publication Critical patent/EP1565717A2/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
EP03789495A 2002-11-26 2003-11-25 Optische vorrichtung zum feststellen der anwesenheit von gasblasen in einer flüssigkeit Withdrawn EP1565717A2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0214805A FR2847670B1 (fr) 2002-11-26 2002-11-26 Detecteur par voie optique de la presence de bulles de gaz dans un liquide
FR0214805 2002-11-26
PCT/FR2003/003480 WO2004051211A2 (fr) 2002-11-26 2003-11-25 Detecteur par voie optique de la presence de bulles de gaz dans un liquide

Publications (1)

Publication Number Publication Date
EP1565717A2 true EP1565717A2 (de) 2005-08-24

Family

ID=32241613

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03789495A Withdrawn EP1565717A2 (de) 2002-11-26 2003-11-25 Optische vorrichtung zum feststellen der anwesenheit von gasblasen in einer flüssigkeit

Country Status (7)

Country Link
US (2) US7372063B2 (de)
EP (1) EP1565717A2 (de)
JP (1) JP2006508356A (de)
AU (1) AU2003294079A1 (de)
BR (1) BR0307926A (de)
FR (1) FR2847670B1 (de)
WO (1) WO2004051211A2 (de)

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JP4352874B2 (ja) * 2002-12-10 2009-10-28 株式会社ニコン 露光装置及びデバイス製造方法
EP1791164B2 (de) 2004-08-03 2014-08-20 Nikon Corporation Belichtungsgeräte, belichtungsverfahren und bauelemente-herstellungsverfahren
WO2007087081A2 (en) 2005-11-04 2007-08-02 Zolo Technologies, Inc. Method and apparatus for spectroscopic measurements in the combustion zone of a gas turbine engine
WO2009061586A2 (en) * 2007-10-16 2009-05-14 Zolo Technologies, Inc. In situ optical probe and methods
US9366621B2 (en) 2012-04-19 2016-06-14 Zolo Technologies, Inc. In-furnace retro-reflectors with steerable tunable diode laser absorption spectrometer
KR101935366B1 (ko) 2012-05-18 2019-01-04 삼성전자주식회사 미세 유체 소자 내의 유체를 감지 및 제어하는 장치 및 방법
KR20140141879A (ko) * 2013-05-31 2014-12-11 삼성전자주식회사 자동화된 핵산 분석 시스템
JP2015021932A (ja) * 2013-07-23 2015-02-02 パイオニア株式会社 気泡検出器及び気泡検出方法
US10072962B2 (en) * 2016-07-05 2018-09-11 Ecolab Usa Inc. Liquid out-of-product alarm system and method
CN106596623A (zh) * 2017-01-16 2017-04-26 沧州航天科宇测试仪器有限公司 一种沥青软化点测定仪的自适应光电检测装置及其方法
CN108896460A (zh) * 2018-08-16 2018-11-27 钟祥博谦信息科技有限公司 气体检测系统、方法、设备及存储介质
DE102019115603A1 (de) * 2019-06-07 2020-12-10 Endress+Hauser Conducta Gmbh+Co. Kg Verfahren zur Korrektur eines durch einen optischen Sensor ermittelten Primärmesssignals
JP7475151B2 (ja) * 2020-02-05 2024-04-26 アズビル株式会社 測定装置、および測定方法
CN115575340B (zh) * 2022-11-08 2023-03-10 杭州谱育科技发展有限公司 吸光度检测装置和方法

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US3612689A (en) * 1967-04-10 1971-10-12 American Standard Inc Suspended particle concentration determination using polarized light
GB1340485A (en) * 1969-12-02 1973-12-12 Nat Res Dev Apparatus for handling series of signals
JPS5987369A (ja) * 1982-11-10 1984-05-19 Nippon Furnace Kogyo Kaisha Ltd 水流モデルにおける速度測定方法
US4749871A (en) * 1985-05-08 1988-06-07 Adt, Inc. Self-diagnostic projected-beam smoke detector
US4659218A (en) * 1985-05-23 1987-04-21 Canadian Patents & Development Corporation Multi-probe system for measuring bubble characteristics gas hold-up, liquid hold-up and solid hold-up in a three-phase fluidized bed
US4740709A (en) * 1986-04-10 1988-04-26 The United States Of America As Represented By The Department Of Health And Human Services Method of sensing fluid properties independent of bubble concentrations
US4830494A (en) * 1986-07-10 1989-05-16 Kowa Company Ltd. Method and apparatus for measuring particles in a fluid
EP0277629B1 (de) * 1987-02-04 1993-05-05 Harro Höfliger Verpackungsmaschinen GmbH Verfahren und Vorrichtung zum Feststellen von Fremdkörpern in Fluiden
US4986659A (en) * 1988-02-29 1991-01-22 Aerometrics, Inc. Method for measuring the size and velocity of spherical particles using the phase and intensity of scattered light
US4885676A (en) * 1988-03-09 1989-12-05 Storage Technology Corporation Control loop instability detection and correction apparatus
JPH0390835A (ja) * 1989-09-02 1991-04-16 Murata Mach Ltd 配管部品の漏れチェック装置
US5331177A (en) * 1993-04-26 1994-07-19 Honeywell Inc. Turbidity sensor with analog to digital conversion capability
US5508521A (en) * 1994-12-05 1996-04-16 Cardiovascular Diagnostics Inc. Method and apparatus for detecting liquid presence on a reflecting surface using modulated light
JPH11503236A (ja) * 1995-04-06 1999-03-23 アルファ・ラヴァル・アグリ・アクチボラゲット 流体中の粒子の定量決定方法及びその装置
EP0979111B1 (de) * 1997-04-29 2006-02-01 Medtronic, Inc. Optische erkennung und quantifizierung von mikrobläschen in blut
JP2002505003A (ja) * 1997-06-06 2002-02-12 テキサコ・デベロップメント・コーポレーション 冷却装置内に入り込んだガスの光学的検知
DE19825518C2 (de) * 1998-06-08 2001-10-04 Fresenius Ag Vorrichtung zur Messung von Parameteränderungen an lichtdurchlässigen Objekten
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Non-Patent Citations (1)

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Title
See references of WO2004051211A3 *

Also Published As

Publication number Publication date
FR2847670A1 (fr) 2004-05-28
BR0307926A (pt) 2005-08-23
US20080218746A1 (en) 2008-09-11
WO2004051211A2 (fr) 2004-06-17
US20060061763A1 (en) 2006-03-23
WO2004051211A3 (fr) 2005-06-09
US7372063B2 (en) 2008-05-13
AU2003294079A1 (en) 2004-06-23
FR2847670B1 (fr) 2005-06-10
JP2006508356A (ja) 2006-03-09

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Inventor name: CASTRO, PASCAL

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