JP5852978B2 - 熱式流量計 - Google Patents

熱式流量計 Download PDF

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Publication number
JP5852978B2
JP5852978B2 JP2013048569A JP2013048569A JP5852978B2 JP 5852978 B2 JP5852978 B2 JP 5852978B2 JP 2013048569 A JP2013048569 A JP 2013048569A JP 2013048569 A JP2013048569 A JP 2013048569A JP 5852978 B2 JP5852978 B2 JP 5852978B2
Authority
JP
Japan
Prior art keywords
passage
sub
flow meter
thermal flow
flow rate
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 - Fee Related
Application number
JP2013048569A
Other languages
English (en)
Japanese (ja)
Other versions
JP2014174063A (ja
Inventor
征史 深谷
征史 深谷
半沢　恵二
恵二 半沢
忍 田代
忍 田代
毅 森野
毅 森野
井上　淳
淳 井上
直生 斎藤
直生 斎藤
彰夫 保川
彰夫 保川
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 Astemo Ltd
Original Assignee
Hitachi Automotive Systems 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 Automotive Systems Ltd filed Critical Hitachi Automotive Systems Ltd
Priority to JP2013048569A priority Critical patent/JP5852978B2/ja
Priority to PCT/JP2014/051175 priority patent/WO2014141743A1/fr
Publication of JP2014174063A publication Critical patent/JP2014174063A/ja
Application granted granted Critical
Publication of JP5852978B2 publication Critical patent/JP5852978B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • G01F1/688—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0418—Air humidity

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  • 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)
JP2013048569A 2013-03-12 2013-03-12 熱式流量計 Expired - Fee Related JP5852978B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013048569A JP5852978B2 (ja) 2013-03-12 2013-03-12 熱式流量計
PCT/JP2014/051175 WO2014141743A1 (fr) 2013-03-12 2014-01-22 Dispositif de mesure de débit thermique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013048569A JP5852978B2 (ja) 2013-03-12 2013-03-12 熱式流量計

Publications (2)

Publication Number Publication Date
JP2014174063A JP2014174063A (ja) 2014-09-22
JP5852978B2 true JP5852978B2 (ja) 2016-02-03

Family

ID=51536420

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013048569A Expired - Fee Related JP5852978B2 (ja) 2013-03-12 2013-03-12 熱式流量計

Country Status (2)

Country Link
JP (1) JP5852978B2 (fr)
WO (1) WO2014141743A1 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3339761B2 (ja) * 1995-04-26 2002-10-28 三菱電機株式会社 カルマン渦式流量計
JP3770369B2 (ja) * 1999-06-21 2006-04-26 日本特殊陶業株式会社 流量及び流速測定装置
JP2001255188A (ja) * 2000-03-13 2001-09-21 Ngk Spark Plug Co Ltd 流量及び流速測定装置
DE10042400A1 (de) * 2000-08-30 2002-03-14 Bosch Gmbh Robert Vorrichtung zur Bestimmung zumindest eines Parameters eines strömenden Mediums
JP4073324B2 (ja) * 2003-01-24 2008-04-09 株式会社日立製作所 熱式流量測定装置
JP2006317295A (ja) * 2005-05-13 2006-11-24 Hitachi Ltd 熱式流量計
JP4161077B2 (ja) * 2005-09-29 2008-10-08 三菱電機株式会社 流量測定装置
JP4929335B2 (ja) * 2009-09-30 2012-05-09 日立オートモティブシステムズ株式会社 熱式流量測定装置

Also Published As

Publication number Publication date
JP2014174063A (ja) 2014-09-22
WO2014141743A1 (fr) 2014-09-18

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