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DK1477781T3 - Masseflowmeter - Google Patents

Masseflowmeter

Info

Publication number
DK1477781T3
DK1477781T3 DK04076259.3T DK04076259T DK1477781T3 DK 1477781 T3 DK1477781 T3 DK 1477781T3 DK 04076259 T DK04076259 T DK 04076259T DK 1477781 T3 DK1477781 T3 DK 1477781T3
Authority
DK
Denmark
Prior art keywords
sensing surface
mass flow
flow meter
planar
substrate
Prior art date
Application number
DK04076259.3T
Other languages
English (en)
Inventor
Joost Conrad Loetters
Original Assignee
Berkin Bv
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
Priority claimed from NL1023405A external-priority patent/NL1023405C2/nl
Application filed by Berkin Bv filed Critical Berkin Bv
Application granted granted Critical
Publication of DK1477781T3 publication Critical patent/DK1477781T3/da

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
    • G01F1/699—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters by control of a separate heating or cooling element
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6845—Micromachined devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6847—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow where sensing or heating elements are not disturbing the fluid flow, e.g. elements mounted outside the flow duct

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Glass Compositions (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
DK04076259.3T 2003-05-13 2004-04-28 Masseflowmeter DK1477781T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1023405A NL1023405C2 (nl) 2003-05-13 2003-05-13 Massadebietmeter.
NL1025617A NL1025617C2 (nl) 2003-05-13 2004-03-02 Massadebietmeter.

Publications (1)

Publication Number Publication Date
DK1477781T3 true DK1477781T3 (da) 2010-09-20

Family

ID=33032452

Family Applications (1)

Application Number Title Priority Date Filing Date
DK04076259.3T DK1477781T3 (da) 2003-05-13 2004-04-28 Masseflowmeter

Country Status (8)

Country Link
US (1) US6945106B2 (da)
EP (1) EP1477781B1 (da)
JP (1) JP4709499B2 (da)
AT (1) ATE471498T1 (da)
DE (1) DE602004027682D1 (da)
DK (1) DK1477781T3 (da)
ES (1) ES2347145T3 (da)
NL (1) NL1025617C2 (da)

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DE602006019548D1 (de) * 2006-03-31 2011-02-24 Sensirion Holding Ag Durchflusssensor mit Thermoelementen
DE602006019688D1 (de) * 2006-03-31 2011-03-03 Sensirion Holding Ag Durchflusssensor mit durchflussanpassbarem Analog-Digital-Wandler
JPWO2008105197A1 (ja) * 2007-02-28 2010-06-03 株式会社山武 フローセンサ
CN101627286B (zh) * 2007-02-28 2012-10-17 阿自倍尔株式会社 流量传感器、流量传感器的温度控制方法和异常恢复方法
JP2009025098A (ja) * 2007-07-18 2009-02-05 Star Micronics Co Ltd 熱式流量センサ
US7603898B2 (en) * 2007-12-19 2009-10-20 Honeywell International Inc. MEMS structure for flow sensor
EP2355692A1 (en) * 2008-11-11 2011-08-17 Koninklijke Philips Electronics N.V. Medical device comprising a probe for measuring temperature data in a patient's tissue
IL205084A (en) * 2010-04-14 2017-08-31 Vasa Applied Tech Ltd Probe learned flow
US20110252882A1 (en) * 2010-04-19 2011-10-20 Honeywell International Inc. Robust sensor with top cap
US8356514B2 (en) 2011-01-13 2013-01-22 Honeywell International Inc. Sensor with improved thermal stability
DE102011081922B4 (de) * 2011-08-31 2021-12-23 Hahn-Schickard-Gesellschaft für angewandte Forschung e.V. Strömumgssensor zur Bestimmung eines Strömungsparameters
DE102012001060A1 (de) * 2011-10-24 2013-04-25 Hydrometer Gmbh Verfahren zur Korrektur von Offset-Drift-Effekten einer thermischen Messeinrichtung, thermische Messeinrichtung und Gasdurchflussmessgerät
EP2762864B1 (en) 2013-01-31 2018-08-08 Sensirion AG Membrane-based sensor device and method for manufacturing the same
JP5971199B2 (ja) * 2013-06-12 2016-08-17 株式会社デンソー 空気流量調整装置
US9366557B2 (en) * 2013-12-04 2016-06-14 Itron, Inc. Thermal flow sensors having isolated membranes
US9612146B2 (en) 2014-02-07 2017-04-04 Honeywell International, Inc. Airflow sensor with dust reduction
US11293794B1 (en) 2014-07-13 2022-04-05 Lev Volftsun Thermal flow sensor for beverage metering
EP2930475B1 (en) 2014-12-22 2017-11-15 Sensirion AG Flow sensor arrangement
US11192770B1 (en) * 2015-04-15 2021-12-07 Sestra Systems Self serve beverage by the glass
US10757973B2 (en) * 2016-07-25 2020-09-01 Fontem Holdings 1 B.V. Electronic cigarette with mass air flow sensor
WO2019028399A1 (en) * 2017-08-03 2019-02-07 MedCision, Inc. SYSTEMS, DEVICES AND METHODS FOR AUTOMATED DEFROSTING OF BAG FORMAT STORAGE CONTAINERS
PL3781028T3 (pl) * 2018-04-19 2025-01-20 Healthup S.A. Przenośny, trzymany w dłoni spirometr elektroniczny
KR102087133B1 (ko) * 2018-10-05 2020-03-12 한국생산기술연구원 탄소나노튜브를 이용한 열전 발전 장치 및 센서
JP2020122747A (ja) * 2019-01-31 2020-08-13 オムロン株式会社 検出装置
US11073415B2 (en) * 2019-10-21 2021-07-27 Flusso Limited Thermal fluid flow sensor having a dielectric membrane comprising discontinuities between the heating element and an edge

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JPH0713924Y2 (ja) * 1989-10-31 1995-04-05 吉川工業株式会社 管の内壁の倣い切削装置
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JP2001272260A (ja) * 2000-03-27 2001-10-05 Ngk Spark Plug Co Ltd 質量流量センサ及びそれを用いた質量流量計
US6446504B1 (en) * 2000-03-30 2002-09-10 Mks Instruments, Inc. Constant temperature gradient differential thermal mass flow sensor
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US6729181B2 (en) * 2000-08-23 2004-05-04 Sensiron Ag Flow sensor in a housing
JP2002340668A (ja) * 2001-05-18 2002-11-27 Denso Corp サーモパイル式赤外線センサおよびその検査方法
EP1365216B1 (en) * 2002-05-10 2018-01-17 Azbil Corporation Flow sensor and method of manufacturing the same

Also Published As

Publication number Publication date
DE602004027682D1 (de) 2010-07-29
NL1025617C2 (nl) 2004-11-18
JP2004340964A (ja) 2004-12-02
US6945106B2 (en) 2005-09-20
US20040261520A1 (en) 2004-12-30
ATE471498T1 (de) 2010-07-15
JP4709499B2 (ja) 2011-06-22
EP1477781B1 (en) 2010-06-16
EP1477781A1 (en) 2004-11-17
ES2347145T3 (es) 2010-10-26

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