JP7068103B2 - 流量測定装置 - Google Patents

流量測定装置 Download PDF

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Publication number
JP7068103B2
JP7068103B2 JP2018157230A JP2018157230A JP7068103B2 JP 7068103 B2 JP7068103 B2 JP 7068103B2 JP 2018157230 A JP2018157230 A JP 2018157230A JP 2018157230 A JP2018157230 A JP 2018157230A JP 7068103 B2 JP7068103 B2 JP 7068103B2
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JP
Japan
Prior art keywords
flow path
flow rate
measuring device
rate measuring
branch
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.)
Active
Application number
JP2018157230A
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English (en)
Japanese (ja)
Other versions
JP2020030171A (ja
JP2020030171A5 (cg-RX-API-DMAC7.html
Inventor
和明 上田
健悟 伊藤
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.)
Denso Corp
Original Assignee
Denso Corp
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 Denso Corp filed Critical Denso Corp
Priority to JP2018157230A priority Critical patent/JP7068103B2/ja
Priority to PCT/JP2019/022339 priority patent/WO2020039691A1/ja
Priority to DE112019004243.2T priority patent/DE112019004243T5/de
Publication of JP2020030171A publication Critical patent/JP2020030171A/ja
Publication of JP2020030171A5 publication Critical patent/JP2020030171A5/ja
Priority to US17/181,261 priority patent/US20210172780A1/en
Application granted granted Critical
Publication of JP7068103B2 publication Critical patent/JP7068103B2/ja
Active 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
    • 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
    • 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
    • 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
    • F02D41/185—Circuit arrangements for generating control signals by measuring intake air flow using a vortex flow sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10373—Sensors for intake systems
    • F02M35/10386—Sensors for intake systems for flow rate
    • 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
    • G01F1/6847—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
    • 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
    • G01F1/72—Devices for measuring pulsing fluid flows

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Measuring Volume Flow (AREA)
  • Analytical Chemistry (AREA)
JP2018157230A 2018-08-24 2018-08-24 流量測定装置 Active JP7068103B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2018157230A JP7068103B2 (ja) 2018-08-24 2018-08-24 流量測定装置
PCT/JP2019/022339 WO2020039691A1 (ja) 2018-08-24 2019-06-05 流量測定装置
DE112019004243.2T DE112019004243T5 (de) 2018-08-24 2019-06-05 Durchflussmesser
US17/181,261 US20210172780A1 (en) 2018-08-24 2021-02-22 Flowmeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018157230A JP7068103B2 (ja) 2018-08-24 2018-08-24 流量測定装置

Publications (3)

Publication Number Publication Date
JP2020030171A JP2020030171A (ja) 2020-02-27
JP2020030171A5 JP2020030171A5 (cg-RX-API-DMAC7.html) 2020-12-03
JP7068103B2 true JP7068103B2 (ja) 2022-05-16

Family

ID=69593039

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018157230A Active JP7068103B2 (ja) 2018-08-24 2018-08-24 流量測定装置

Country Status (4)

Country Link
US (1) US20210172780A1 (cg-RX-API-DMAC7.html)
JP (1) JP7068103B2 (cg-RX-API-DMAC7.html)
DE (1) DE112019004243T5 (cg-RX-API-DMAC7.html)
WO (1) WO2020039691A1 (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7068095B2 (ja) * 2018-08-14 2022-05-16 株式会社Soken 流量測定装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1221593A1 (en) 2001-01-05 2002-07-10 NGK Spark Plug Company Limited Gas flow measurement device
JP2010261771A (ja) 2009-05-01 2010-11-18 Denso Corp 空気流量測定装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3292817B2 (ja) * 1997-04-24 2002-06-17 三菱電機株式会社 感熱式流量センサ
JP2002005713A (ja) * 2000-04-17 2002-01-09 Denso Corp 空気流量測定装置
JP3716163B2 (ja) * 2000-06-16 2005-11-16 株式会社日立製作所 空気流量測定装置
JP5408195B2 (ja) * 2011-07-19 2014-02-05 株式会社デンソー 空気流量測定装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1221593A1 (en) 2001-01-05 2002-07-10 NGK Spark Plug Company Limited Gas flow measurement device
JP2010261771A (ja) 2009-05-01 2010-11-18 Denso Corp 空気流量測定装置

Also Published As

Publication number Publication date
DE112019004243T5 (de) 2021-05-12
US20210172780A1 (en) 2021-06-10
JP2020030171A (ja) 2020-02-27
WO2020039691A1 (ja) 2020-02-27

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