KR0184926B1 - Hot film type air flow quantity detecting apparatus applicable to vehicular internal combustion engine - Google Patents

Hot film type air flow quantity detecting apparatus applicable to vehicular internal combustion engine

Info

Publication number
KR0184926B1
KR0184926B1 KR1019950004351A KR19950004351A KR0184926B1 KR 0184926 B1 KR0184926 B1 KR 0184926B1 KR 1019950004351 A KR1019950004351 A KR 1019950004351A KR 19950004351 A KR19950004351 A KR 19950004351A KR 0184926 B1 KR0184926 B1 KR 0184926B1
Authority
KR
South Korea
Prior art keywords
combustion engine
internal combustion
air flow
type air
detecting apparatus
Prior art date
Application number
KR1019950004351A
Other languages
English (en)
Other versions
KR950025420A (ko
Inventor
Hiroshi Aoi
Masao Tsukada
Original Assignee
Unisia Jecs 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 Unisia Jecs Corp filed Critical Unisia Jecs Corp
Publication of KR950025420A publication Critical patent/KR950025420A/ko
Application granted granted Critical
Publication of KR0184926B1 publication Critical patent/KR0184926B1/ko

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
    • 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
    • G01F1/688—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
    • G01F1/684—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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
KR1019950004351A 1994-02-28 1995-02-28 Hot film type air flow quantity detecting apparatus applicable to vehicular internal combustion engine KR0184926B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP5462494 1994-02-28
JP94-054624 1994-02-28
JP94-150429 1994-06-08
JP06150429A JP3133608B2 (ja) 1994-02-28 1994-06-08 熱式空気流量検出装置

Publications (2)

Publication Number Publication Date
KR950025420A KR950025420A (ko) 1995-09-15
KR0184926B1 true KR0184926B1 (en) 1999-05-15

Family

ID=26395410

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950004351A KR0184926B1 (en) 1994-02-28 1995-02-28 Hot film type air flow quantity detecting apparatus applicable to vehicular internal combustion engine

Country Status (5)

Country Link
US (1) US5717136A (ko)
JP (1) JP3133608B2 (ko)
KR (1) KR0184926B1 (ko)
DE (1) DE19506605C2 (ko)
GB (1) GB2286890B (ko)

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EP0785417A3 (en) * 1996-01-17 1998-04-15 Hitachi, Ltd. Heating resistor type air flow rate measuring apparatus
US6270638B1 (en) * 1997-05-23 2001-08-07 Kabushiki Kaisha Riken Pyro-sensor and pyro-control circuit
JP3404300B2 (ja) * 1998-10-28 2003-05-06 三菱電機株式会社 感熱式流量センサ
US6477901B1 (en) * 1999-12-21 2002-11-12 Integrated Sensing Systems, Inc. Micromachined fluidic apparatus
US6763712B1 (en) * 2000-10-05 2004-07-20 Ford Global Technologies, Llc Flow-sensing device and method for fabrication
JP4157034B2 (ja) * 2001-08-14 2008-09-24 株式会社日立製作所 熱式流量計測装置
JP3969167B2 (ja) * 2002-04-22 2007-09-05 三菱電機株式会社 流体流量測定装置
GB2416394B (en) 2004-07-17 2006-11-22 Sensor Highway Ltd Method and apparatus for measuring fluid properties
JP4502256B2 (ja) * 2004-09-07 2010-07-14 株式会社山武 流量センサ
US7263882B2 (en) * 2005-02-03 2007-09-04 Integrated Sensing Systems, Inc. Fluid system and method of assessing a property of a fluid flowing therein
US7228735B2 (en) * 2005-02-03 2007-06-12 Integrated Sensing Systems, Inc. Fluid sensing device with integrated bypass and process therefor
JP4371103B2 (ja) * 2005-12-01 2009-11-25 トヨタ自動車株式会社 内燃機関の吸入空気量算出装置
JP2007248136A (ja) * 2006-03-14 2007-09-27 Hitachi Ltd 熱式ガス流量測定装置
JP5256264B2 (ja) * 2010-09-03 2013-08-07 日立オートモティブシステムズ株式会社 熱式空気流量センサ
US8286478B2 (en) * 2010-12-15 2012-10-16 Honeywell International Inc. Sensor bridge with thermally isolating apertures
DE102014217870A1 (de) * 2014-09-08 2016-03-10 Robert Bosch Gmbh Sensoranordnung zur Bestimmung wenigstens eines Parameters eines durch einen Messkanal strömenden fluiden Mediums

Family Cites Families (30)

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JPS5749846B2 (ko) * 1974-05-14 1982-10-25
JPS51127759A (en) * 1975-04-29 1976-11-08 Nippon Soken Inc Detector of air volume for internal combustion engine
JPS56108909A (en) * 1980-01-31 1981-08-28 Hitachi Ltd Air flow rate detector
DE3135793A1 (de) * 1981-09-10 1983-03-24 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zur messung der masse eines in einem stroemungsquerschnitt stroemenden pulsierenden mediums
JPS58136724A (ja) * 1982-02-10 1983-08-13 Nippon Steel Corp 連続焼鈍用スプレ−冷却装置
JPS59115864A (ja) * 1982-12-22 1984-07-04 Seiko Epson Corp インクジエツト記録ヘツドの駆動方式
DE3304710A1 (de) * 1983-02-11 1984-08-16 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und einrichtung zum messen des luftdurchsatzes im ansaugrohr einer brennkraftmaschine
US4649745A (en) * 1983-11-16 1987-03-17 Nippondenso Co., Ltd. Apparatus for measuring a flow rate of intake air for an engine
JPS60247169A (ja) * 1984-05-22 1985-12-06 Toshiba Corp 半導体流速検出器
JPS611847A (ja) * 1984-06-13 1986-01-07 Nippon Denso Co Ltd 内燃機関の制御装置
JPS612020A (ja) * 1984-06-15 1986-01-08 Hitachi Ltd 熱式空気流量計
DE3444347A1 (de) * 1984-12-05 1986-06-12 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur luftmengenmessung
JPS6214328A (ja) * 1985-07-11 1987-01-22 Ricoh Co Ltd 光デイスク駆動装置の位置調整機構
JPS6273124A (ja) * 1985-09-26 1987-04-03 Mitsubishi Electric Corp 熱式流量検出器
DE3637541A1 (de) * 1986-11-04 1988-05-05 Vdo Schindling Vorrichtung zur bestimmung des massenstromes und der durchflussrichtung
DE3637540A1 (de) * 1986-11-04 1988-05-05 Vdo Schindling Vorrichtung zur bestimmung der durchflussrichtung
DE3638137A1 (de) * 1986-11-08 1988-05-11 Bosch Gmbh Robert Vorrichtung zur bestimmung der masse eines stroemenden mediums
JPS63265118A (ja) * 1987-04-22 1988-11-01 Mitsubishi Electric Corp 流量センサ
JPH01185416A (ja) * 1988-01-20 1989-07-25 Mitsubishi Electric Corp 内燃機関用熱式流量計
US4986122A (en) * 1989-11-08 1991-01-22 Hydro Data Inc. Fluid velocity measurement instrument
US5218866A (en) * 1991-02-19 1993-06-15 The United States Of America As Represented By The Secretary Of The Army Method and device for measuring fluid velocities
DE4115040A1 (de) * 1991-05-08 1992-11-12 Bosch Gmbh Robert Messelement
JP2536803B2 (ja) * 1991-11-22 1996-09-25 旭ファイバーグラス株式会社 ストランド束の接合方法
DE4139631C1 (en) * 1991-11-30 1993-03-11 Robert Bosch Gmbh, 7000 Stuttgart, De Measuring element for intake air flowmeter of IC engine - has slot in substrate board separating film resistors
JP2784286B2 (ja) * 1991-12-09 1998-08-06 三菱電機株式会社 半導体センサー装置の製造方法
JP2851960B2 (ja) * 1991-12-24 1999-01-27 日本碍子株式会社 内燃機関の吸入空気量測定装置
JP2681569B2 (ja) * 1992-01-17 1997-11-26 株式会社ユニシアジェックス 内燃機関の吸入空気流量検出装置
DE4324040B4 (de) * 1992-07-21 2009-09-17 Robert Bosch Gmbh Massenstromsensor
US5369994A (en) * 1992-07-21 1994-12-06 Robert Bosch Gmbh Flow sensor
DE4308227C2 (de) * 1993-03-16 1996-02-01 Bosch Gmbh Robert Vorrichtung zur Bestimmung der Masse eines strömenden Mediums

Also Published As

Publication number Publication date
GB2286890B (en) 1998-03-11
GB9504022D0 (en) 1995-04-19
US5717136A (en) 1998-02-10
DE19506605A1 (de) 1995-08-31
KR950025420A (ko) 1995-09-15
DE19506605C2 (de) 1999-02-11
GB2286890A (en) 1995-08-30
JPH07286877A (ja) 1995-10-31
JP3133608B2 (ja) 2001-02-13

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E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20081216

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