DE112018002008T5 - Luftströmungsmessvorrichtung - Google Patents

Luftströmungsmessvorrichtung Download PDF

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Publication number
DE112018002008T5
DE112018002008T5 DE112018002008.8T DE112018002008T DE112018002008T5 DE 112018002008 T5 DE112018002008 T5 DE 112018002008T5 DE 112018002008 T DE112018002008 T DE 112018002008T DE 112018002008 T5 DE112018002008 T5 DE 112018002008T5
Authority
DE
Germany
Prior art keywords
pulsation
air flow
flow rate
air
information
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Withdrawn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
DE112018002008.8T
Other languages
German (de)
English (en)
Inventor
Teruaki Kaifu
Noboru Kitahara
Kengo Ito
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
Publication of DE112018002008T5 publication Critical patent/DE112018002008T5/de
Withdrawn legal-status Critical Current

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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
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/6965—Circuits therefor, e.g. constant-current flow meters comprising means to store calibration data for flow signal calculation or correction
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
    • 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
    • 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
    • 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
    • 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
    • F02D2200/0402—Engine intake system parameters the parameter being determined by using a model of the engine intake or its components
    • 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
    • F02D2200/0411—Volumetric efficiency
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/14—Timing of measurement, e.g. synchronisation of measurements to the engine cycle
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425—Particular ways of programming the data
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2474—Characteristics of sensors

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)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
DE112018002008.8T 2017-04-14 2018-03-14 Luftströmungsmessvorrichtung Withdrawn DE112018002008T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017080777A JP6531773B2 (ja) 2017-04-14 2017-04-14 空気流量測定装置
JP2017-080777 2017-04-14
PCT/JP2018/009851 WO2018190059A1 (ja) 2017-04-14 2018-03-14 空気流量測定装置

Publications (1)

Publication Number Publication Date
DE112018002008T5 true DE112018002008T5 (de) 2020-01-09

Family

ID=63792688

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112018002008.8T Withdrawn DE112018002008T5 (de) 2017-04-14 2018-03-14 Luftströmungsmessvorrichtung

Country Status (4)

Country Link
US (1) US20200003597A1 (enExample)
JP (1) JP6531773B2 (enExample)
DE (1) DE112018002008T5 (enExample)
WO (1) WO2018190059A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6531774B2 (ja) 2017-04-14 2019-06-19 株式会社デンソー 空気流量測定装置
EP4220187A1 (en) * 2020-09-28 2023-08-02 Kyocera Corporation Measuring device, measuring system, measuring method, and program
USD961895S1 (en) 2021-08-17 2022-08-30 Nike, Inc. Shoe
USD961898S1 (en) 2021-08-17 2022-08-30 Nike, Inc. Shoe
USD961897S1 (en) 2021-08-17 2022-08-30 Nike, Inc. Shoe
USD961899S1 (en) 2021-08-17 2022-08-30 Nike, Inc. Shoe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014020212A (ja) 2012-07-12 2014-02-03 Hitachi Automotive Systems Ltd 内燃機関の制御装置
JP2016109625A (ja) 2014-12-09 2016-06-20 株式会社デンソー エアフロメータ
JP2017080777A (ja) 2015-10-28 2017-05-18 いすゞ自動車株式会社 歯車及びその製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11264332A (ja) * 1997-12-17 1999-09-28 Hitachi Ltd 電制スロットルボディ一体型空気流量測定装置
DE19933665A1 (de) * 1999-07-17 2001-01-18 Bosch Gmbh Robert Vorrichtung zur Erfassung einer pulsierenden Größe
JP2004019450A (ja) * 2002-06-12 2004-01-22 Toyota Motor Corp 内燃機関の吸入空気量検出装置
JP4190321B2 (ja) * 2003-03-18 2008-12-03 東京瓦斯株式会社 流量計測方法および流量計測装置
JP2011252785A (ja) * 2010-06-02 2011-12-15 Daihatsu Motor Co Ltd 内燃機関の吸入空気量補正方法
JP5387617B2 (ja) * 2011-05-19 2014-01-15 株式会社デンソー 流量測定装置の調整方法
JP5527350B2 (ja) * 2011-09-07 2014-06-18 株式会社デンソー 空気流量測定装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014020212A (ja) 2012-07-12 2014-02-03 Hitachi Automotive Systems Ltd 内燃機関の制御装置
JP2016109625A (ja) 2014-12-09 2016-06-20 株式会社デンソー エアフロメータ
JP2017080777A (ja) 2015-10-28 2017-05-18 いすゞ自動車株式会社 歯車及びその製造方法

Also Published As

Publication number Publication date
JP6531773B2 (ja) 2019-06-19
JP2018179809A (ja) 2018-11-15
WO2018190059A1 (ja) 2018-10-18
US20200003597A1 (en) 2020-01-02

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R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee