DE112018002002T5 - Luftströmungsratenmessvorrichtung - Google Patents

Luftströmungsratenmessvorrichtung Download PDF

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Publication number
DE112018002002T5
DE112018002002T5 DE112018002002.9T DE112018002002T DE112018002002T5 DE 112018002002 T5 DE112018002002 T5 DE 112018002002T5 DE 112018002002 T DE112018002002 T DE 112018002002T DE 112018002002 T5 DE112018002002 T5 DE 112018002002T5
Authority
DE
Germany
Prior art keywords
pulsation
flow rate
air flow
pulsation error
standard deviation
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Withdrawn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
DE112018002002.9T
Other languages
German (de)
English (en)
Inventor
Noboru Kitahara
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 DE112018002002T5 publication Critical patent/DE112018002002T5/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Withdrawn legal-status Critical Current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
    • G01F1/72—Devices for measuring pulsing fluid flows
    • 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
    • F02D41/187—Circuit arrangements for generating control signals by measuring intake air flow using a hot wire flow sensor
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
    • G01F15/043—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means
    • G01F15/046—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means involving digital counting
    • 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
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F02D2041/281—Interface circuits between sensors and control unit
    • 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
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F02D2041/281—Interface circuits between sensors and control unit
    • F02D2041/285—Interface circuits between sensors and control unit the sensor having a signal processing unit external to the engine control unit

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)
DE112018002002.9T 2017-04-14 2018-03-14 Luftströmungsratenmessvorrichtung Withdrawn DE112018002002T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017-080778 2017-04-14
JP2017080778A JP6540747B2 (ja) 2017-04-14 2017-04-14 空気流量測定装置
PCT/JP2018/009852 WO2018190060A1 (ja) 2017-04-14 2018-03-14 空気流量測定装置

Publications (1)

Publication Number Publication Date
DE112018002002T5 true DE112018002002T5 (de) 2020-01-02

Family

ID=63792379

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112018002002.9T Withdrawn DE112018002002T5 (de) 2017-04-14 2018-03-14 Luftströmungsratenmessvorrichtung

Country Status (4)

Country Link
US (1) US20200033173A1 (https=)
JP (1) JP6540747B2 (https=)
DE (1) DE112018002002T5 (https=)
WO (1) WO2018190060A1 (https=)

Families Citing this family (4)

* 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
JP6952577B2 (ja) * 2017-11-02 2021-10-20 日立Astemo株式会社 気体センサ装置
DE102018204450B4 (de) * 2018-03-22 2021-12-23 Vitesco Technologies GmbH Verfahren zum Prüfen einer variablen Ventilhubsteuerung eines Verbrennungsmotors
DE112019003406T9 (de) * 2018-07-05 2021-05-12 Denso Corporation Messsteuerungsvorrichtung und Strömungsvolumenmessvorrichtung

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
JP2017080778A (ja) 2015-10-28 2017-05-18 ユニバーサル製缶株式会社 缶蓋用シェル成形装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08219839A (ja) * 1995-02-14 1996-08-30 Tokyo Gas Co Ltd 流速センサの出力補正装置および流量計
DE19933665A1 (de) * 1999-07-17 2001-01-18 Bosch Gmbh Robert Vorrichtung zur Erfassung einer pulsierenden Größe

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
JP2017080778A (ja) 2015-10-28 2017-05-18 ユニバーサル製缶株式会社 缶蓋用シェル成形装置

Also Published As

Publication number Publication date
JP2018179810A (ja) 2018-11-15
WO2018190060A1 (ja) 2018-10-18
US20200033173A1 (en) 2020-01-30
JP6540747B2 (ja) 2019-07-10

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Legal Events

Date Code Title Description
R012 Request for examination validly filed
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee