WO2002010694A1 - Thermal type air flowmeter - Google Patents

Thermal type air flowmeter Download PDF

Info

Publication number
WO2002010694A1
WO2002010694A1 PCT/JP2000/005016 JP0005016W WO0210694A1 WO 2002010694 A1 WO2002010694 A1 WO 2002010694A1 JP 0005016 W JP0005016 W JP 0005016W WO 0210694 A1 WO0210694 A1 WO 0210694A1
Authority
WO
WIPO (PCT)
Prior art keywords
intake
support
air temperature
air
measuring element
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.)
Ceased
Application number
PCT/JP2000/005016
Other languages
English (en)
French (fr)
Inventor
Keiichi Nakada
Izumi Watanabe
Kei Ueyama
Masamichi Yamada
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.)
Hitachi Ltd
Astemo Ltd
Original Assignee
Hitachi Ltd
Hitachi Car Engineering 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 Hitachi Ltd, Hitachi Car Engineering Co Ltd filed Critical Hitachi Ltd
Priority to US09/763,967 priority Critical patent/US6516785B1/en
Priority to PCT/JP2000/005016 priority patent/WO2002010694A1/ja
Priority to KR10-2002-7011233A priority patent/KR100511049B1/ko
Priority to EP07002337A priority patent/EP1790954A3/en
Priority to JP2002516574A priority patent/JP3583773B2/ja
Priority to EP00948246A priority patent/EP1319929A4/en
Priority to CNB008192685A priority patent/CN1272606C/zh
Publication of WO2002010694A1 publication Critical patent/WO2002010694A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • 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
    • G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the fluid flow
    • 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
    • G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
    • G01F1/69—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
    • G01F1/692—Thin-film arrangements
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F5/00—Measuring a proportion of the volume flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/01—Manufacture or treatment
    • H10W72/015—Manufacture or treatment of bond wires
    • H10W72/01515—Forming coatings
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/071—Connecting or disconnecting
    • H10W72/075—Connecting or disconnecting of bond wires

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Volume Flow (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
PCT/JP2000/005016 2000-07-27 2000-07-27 Thermal type air flowmeter Ceased WO2002010694A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US09/763,967 US6516785B1 (en) 2000-07-27 2000-07-27 Air flow sensor
PCT/JP2000/005016 WO2002010694A1 (en) 2000-07-27 2000-07-27 Thermal type air flowmeter
KR10-2002-7011233A KR100511049B1 (ko) 2000-07-27 2000-07-27 열식 공기유량계
EP07002337A EP1790954A3 (en) 2000-07-27 2000-07-27 Air flow sensor
JP2002516574A JP3583773B2 (ja) 2000-07-27 2000-07-27 熱式空気流量計
EP00948246A EP1319929A4 (en) 2000-07-27 2000-07-27 AIR THERMAL TYPE AIR FLOW GAUGE
CNB008192685A CN1272606C (zh) 2000-07-27 2000-07-27 热式空气流量计

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/005016 WO2002010694A1 (en) 2000-07-27 2000-07-27 Thermal type air flowmeter

Publications (1)

Publication Number Publication Date
WO2002010694A1 true WO2002010694A1 (en) 2002-02-07

Family

ID=11736299

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/005016 Ceased WO2002010694A1 (en) 2000-07-27 2000-07-27 Thermal type air flowmeter

Country Status (6)

Country Link
US (1) US6516785B1 (ja)
EP (2) EP1319929A4 (ja)
JP (1) JP3583773B2 (ja)
KR (1) KR100511049B1 (ja)
CN (1) CN1272606C (ja)
WO (1) WO2002010694A1 (ja)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004205520A (ja) * 2002-12-20 2004-07-22 Heraeus Sensor Technology Gmbh 流動センサー素子およびその使用
JP2006258677A (ja) * 2005-03-18 2006-09-28 Hitachi Ltd エンジン物理量測定装置
JP2007121036A (ja) * 2005-10-26 2007-05-17 Yamatake Corp 流量計
JP2010151795A (ja) * 2008-11-28 2010-07-08 Hitachi Automotive Systems Ltd 熱式空気流量センサ
JP2010528303A (ja) * 2007-05-29 2010-08-19 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング ホットフィルム式エアフローメータ及びその製造方法
JP2010197144A (ja) * 2009-02-24 2010-09-09 Denso Corp エアフローメータ
JP2010204005A (ja) * 2009-03-05 2010-09-16 Denso Corp 熱式流量計
EP2472236A1 (en) 2010-12-28 2012-07-04 Hitachi Automotive Systems, Ltd. Intake temperature sensor
WO2013084700A1 (ja) * 2011-12-07 2013-06-13 日立オートモティブシステムズ株式会社 熱式流量計
JP2013217943A (ja) * 2013-08-01 2013-10-24 Denso Corp 空気流量測定装置
JP2015132632A (ja) * 2015-04-27 2015-07-23 日立オートモティブシステムズ株式会社 物理量測定装置
JP2015132633A (ja) * 2015-04-27 2015-07-23 日立オートモティブシステムズ株式会社 熱式流量計
JP2016031341A (ja) * 2014-07-30 2016-03-07 日立オートモティブシステムズ株式会社 物理量検出装置
WO2016072166A1 (ja) * 2014-11-06 2016-05-12 日立オートモティブシステムズ株式会社 熱式空気流量計
JP2016194465A (ja) * 2015-04-01 2016-11-17 日立オートモティブシステムズ株式会社 物理量検出素子
JP2017044712A (ja) * 2016-12-09 2017-03-02 日立オートモティブシステムズ株式会社 物理量測定装置
WO2017056694A1 (ja) * 2015-09-30 2017-04-06 日立オートモティブシステムズ株式会社 物理量検出装置
JP2017228798A (ja) * 2017-09-11 2017-12-28 日立オートモティブシステムズ株式会社 熱式流量計
JP2018538537A (ja) * 2015-12-16 2018-12-27 コンチネンタル オートモーティヴ ゲゼルシャフト ミット ベシュレンクテル ハフツングＣｏｎｔｉｎｅｎｔａｌ Ａｕｔｏｍｏｔｉｖｅ ＧｍｂＨ エアフローメータ
JP2019138917A (ja) * 2019-04-23 2019-08-22 日立オートモティブシステムズ株式会社 物理量検出素子
JP2020079808A (ja) * 2020-03-02 2020-05-28 日立オートモティブシステムズ株式会社 熱式空気流量計
JP2021089190A (ja) * 2019-12-03 2021-06-10 株式会社デンソー 流量検出装置

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JP2003139593A (ja) * 2001-11-07 2003-05-14 Hitachi Ltd 車載電子機器および熱式流量計
US6923072B2 (en) * 2002-02-21 2005-08-02 Carrier Corporation Method and device for measuring airflows through HVAC grilles
GB0222658D0 (en) * 2002-10-01 2002-11-06 Bae Systems Plc Corrosion sensing microsensors
US7014357B2 (en) 2002-11-19 2006-03-21 Rosemount Aerospace Inc. Thermal icing conditions detector
US7201154B2 (en) * 2003-01-17 2007-04-10 Siemens Canada Limited Flow sensor for purge valve diagnostic
DE10345584A1 (de) * 2003-09-29 2005-04-28 Bosch Gmbh Robert Leiterplatte mit Kunststoffteil zur Aufnahme einer Messeinrichtung
FR2864617B1 (fr) * 2003-12-29 2006-06-23 Jean Francois Pineau Jauge et microcapteur de debit de fluide gazeux ainsi que dispositif de mesure les comportant
JP4609019B2 (ja) * 2004-09-24 2011-01-12 株式会社デンソー 熱式流量センサ及びその製造方法
JP4501684B2 (ja) * 2004-12-28 2010-07-14 株式会社デンソー 流量測定装置
DE102005016449A1 (de) * 2005-04-11 2006-10-12 Robert Bosch Gmbh Beheizter Heißfilmluftmassenmesser
JP2007139672A (ja) * 2005-11-21 2007-06-07 Yazaki Corp 流体計測装置及び流体計測方法
US7278309B2 (en) * 2006-03-01 2007-10-09 Honeywell International Inc. Interdigitated, full wheatstone bridge flow sensor transducer
JP2007248136A (ja) * 2006-03-14 2007-09-27 Hitachi Ltd 熱式ガス流量測定装置
JP4226616B2 (ja) * 2006-06-21 2009-02-18 株式会社日立製作所 熱式流量計測装置
JP4317556B2 (ja) * 2006-07-21 2009-08-19 株式会社日立製作所 熱式流量センサ
US7320220B1 (en) 2006-12-15 2008-01-22 Caterpillar Inc. EGR valve having integrated motor, controller, and flow meter
US7946117B2 (en) * 2006-12-15 2011-05-24 Caterpillar Inc. Onboard method of determining EGR flow rate
JP2008170382A (ja) * 2007-01-15 2008-07-24 Hitachi Ltd 熱式流体流量センサ及びその製造方法
JP4426606B2 (ja) * 2007-06-29 2010-03-03 三菱電機株式会社 流量測定装置
DE102008037206B4 (de) * 2008-08-11 2014-07-03 Heraeus Sensor Technology Gmbh 300°C-Flowsensor
JP5243348B2 (ja) * 2009-06-12 2013-07-24 三菱電機株式会社 流量検出装置
JP5208099B2 (ja) * 2009-12-11 2013-06-12 日立オートモティブシステムズ株式会社 流量センサとその製造方法、及び流量センサモジュール
US8161811B2 (en) * 2009-12-18 2012-04-24 Honeywell International Inc. Flow sensors having nanoscale coating for corrosion resistance
JP5178806B2 (ja) * 2010-11-01 2013-04-10 三菱電機株式会社 流量測定装置
JP2013024710A (ja) * 2011-07-20 2013-02-04 Denso Corp 空気流量測定装置
EP2789994B1 (en) * 2011-12-07 2018-02-28 Hitachi Automotive Systems, Ltd. Airflow measuring apparatus
JP5743922B2 (ja) 2012-02-21 2015-07-01 日立オートモティブシステムズ株式会社 熱式空気流量測定装置
DE102012208054A1 (de) * 2012-05-14 2013-11-14 Continental Automotive Gmbh Sauerstoffsensor und diesen aufweisende Brennkraftmaschine
JP5632881B2 (ja) * 2012-06-15 2014-11-26 日立オートモティブシステムズ株式会社 熱式流量計
JP5645880B2 (ja) 2012-06-15 2014-12-24 日立オートモティブシステムズ株式会社 熱式流量計
JP5675706B2 (ja) * 2012-06-15 2015-02-25 日立オートモティブシステムズ株式会社 熱式流量計
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WO2016092984A1 (ja) * 2014-12-08 2016-06-16 日立オートモティブシステムズ株式会社 物理量検出装置
CN104524723B (zh) * 2015-01-31 2017-09-29 重庆金瓯科技发展有限责任公司 一种气流检测消防喷淋头、消防喷淋系统及其检测方法
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JP6507804B2 (ja) * 2015-04-03 2019-05-08 株式会社デンソー 空気流量測定装置
US10444175B2 (en) 2015-04-03 2019-10-15 Denso Corporation Measurement device
JP5936744B1 (ja) * 2015-05-15 2016-06-22 三菱電機株式会社 流量測定装置
JP6435420B2 (ja) * 2015-09-30 2018-12-05 日立オートモティブシステムズ株式会社 樹脂成形体およびセンサ装置
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JP6156523B2 (ja) * 2016-01-11 2017-07-05 株式会社デンソー 流量センサ
US9874415B2 (en) 2016-02-15 2018-01-23 International Business Machines Corporation Airflow sensor for a heat sink
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JP6454809B2 (ja) * 2018-05-09 2019-01-16 日立オートモティブシステムズ株式会社 熱式流量計
JP7127441B2 (ja) * 2018-09-06 2022-08-30 株式会社デンソー 物理量計測装置及び流量計測装置
JP7095507B2 (ja) * 2018-09-06 2022-07-05 株式会社デンソー 物理量計測装置
JP6561192B2 (ja) * 2018-12-14 2019-08-14 日立オートモティブシステムズ株式会社 熱式流量計
CN113841029B (zh) * 2019-06-13 2025-03-07 日立安斯泰莫株式会社 流量测量装置
JP6603003B2 (ja) * 2019-07-19 2019-11-06 日立オートモティブシステムズ株式会社 熱式流量計
JP7112001B2 (ja) 2020-10-15 2022-08-03 ダイキン工業株式会社 熱式流速・流量センサ、及び空気調和機
US20230408343A1 (en) * 2022-06-21 2023-12-21 Air Distribution Technologies Ip, Llc Sensor systems and methods for hvac systems
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See also references of EP1319929A4 *

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004205520A (ja) * 2002-12-20 2004-07-22 Heraeus Sensor Technology Gmbh 流動センサー素子およびその使用
JP2006258677A (ja) * 2005-03-18 2006-09-28 Hitachi Ltd エンジン物理量測定装置
JP2007121036A (ja) * 2005-10-26 2007-05-17 Yamatake Corp 流量計
JP2010528303A (ja) * 2007-05-29 2010-08-19 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング ホットフィルム式エアフローメータ及びその製造方法
US8448508B2 (en) 2007-05-29 2013-05-28 Robert Bosch Gmbh Hot film air mass meter and method for its manufacture
JP2010151795A (ja) * 2008-11-28 2010-07-08 Hitachi Automotive Systems Ltd 熱式空気流量センサ
JP2010197144A (ja) * 2009-02-24 2010-09-09 Denso Corp エアフローメータ
JP2010204005A (ja) * 2009-03-05 2010-09-16 Denso Corp 熱式流量計
US8813556B2 (en) 2010-12-28 2014-08-26 Hitachi Automotive Systems, Ltd. Intake temperature sensor
EP2472236A1 (en) 2010-12-28 2012-07-04 Hitachi Automotive Systems, Ltd. Intake temperature sensor
US10012522B2 (en) 2011-12-07 2018-07-03 Hitachi Automotive Systems, Ltd. Thermal flow meter
US10345131B2 (en) 2011-12-07 2019-07-09 Hitachi Automotive Systems, Ltd. Thermal flow meter
JP2013120103A (ja) * 2011-12-07 2013-06-17 Hitachi Automotive Systems Ltd 熱式流量計
WO2013084700A1 (ja) * 2011-12-07 2013-06-13 日立オートモティブシステムズ株式会社 熱式流量計
US9658094B2 (en) 2011-12-07 2017-05-23 Hitachi Automotive Systems, Ltd. Thermal flow meter
JP2013217943A (ja) * 2013-08-01 2013-10-24 Denso Corp 空気流量測定装置
JP2016031341A (ja) * 2014-07-30 2016-03-07 日立オートモティブシステムズ株式会社 物理量検出装置
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KR100511049B1 (ko) 2005-08-31
EP1319929A1 (en) 2003-06-18
KR20020077513A (ko) 2002-10-11
EP1790954A3 (en) 2007-07-04
JP3583773B2 (ja) 2004-11-04
US6516785B1 (en) 2003-02-11
CN1437697A (zh) 2003-08-20
EP1319929A4 (en) 2006-07-12
EP1790954A2 (en) 2007-05-30
CN1272606C (zh) 2006-08-30

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