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BR8704870A - Dispositivo para a determinacao da corrente de massa e da direcao de fluxo de passagem - Google Patents

Dispositivo para a determinacao da corrente de massa e da direcao de fluxo de passagem

Info

Publication number
BR8704870A
BR8704870A BR8704870A BR8704870A BR8704870A BR 8704870 A BR8704870 A BR 8704870A BR 8704870 A BR8704870 A BR 8704870A BR 8704870 A BR8704870 A BR 8704870A BR 8704870 A BR8704870 A BR 8704870A
Authority
BR
Brazil
Prior art keywords
passage
determining
flow
mass current
mass
Prior art date
Application number
BR8704870A
Other languages
English (en)
Inventor
Wolfgang Weibler
Original Assignee
Vdo Schindling
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 Vdo Schindling filed Critical Vdo Schindling
Publication of BR8704870A publication Critical patent/BR8704870A/pt

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
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid 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
    • G01F1/6888—Thermoelectric elements, e.g. thermocouples, thermopiles
    • 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

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)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
BR8704870A 1986-11-04 1987-09-22 Dispositivo para a determinacao da corrente de massa e da direcao de fluxo de passagem BR8704870A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863637541 DE3637541A1 (de) 1986-11-04 1986-11-04 Vorrichtung zur bestimmung des massenstromes und der durchflussrichtung

Publications (1)

Publication Number Publication Date
BR8704870A true BR8704870A (pt) 1988-06-14

Family

ID=6313141

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8704870A BR8704870A (pt) 1986-11-04 1987-09-22 Dispositivo para a determinacao da corrente de massa e da direcao de fluxo de passagem

Country Status (5)

Country Link
US (2) US4774833A (pt)
EP (1) EP0269781A1 (pt)
JP (1) JPS63122919A (pt)
BR (1) BR8704870A (pt)
DE (1) DE3637541A1 (pt)

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US4889101A (en) * 1987-11-06 1989-12-26 Siemens Aktiengesellschaft Arrangement for calculating the fuel injection quantity for an internal combustion engine
DE3915872A1 (de) * 1988-08-04 1990-02-08 Pierburg Gmbh Vorrichtung zur halterung eines plattenfoermig ausgebildeten elektrischen duennschichtwiderstandes
US4899584A (en) * 1988-10-31 1990-02-13 Fluid Components, Inc. Fluidic amplifier for sensing fluid motion
US4962746A (en) * 1988-11-23 1990-10-16 Ngk Spark Plug Co., Ltd. Mixing liquid ratio detector device
JPH0760107B2 (ja) * 1989-07-11 1995-06-28 三菱電機株式会社 熱式流量センサの信号処理方法
US5000039A (en) * 1989-11-21 1991-03-19 Siemens-Bendix Automotive Electronics L.P. Mass air flow integrator
US5182900A (en) * 1989-12-23 1993-02-02 W. Schlafhorst Ag & Co. Method and apparatus for checking the operation of a pneumatic splicer
JP2564415B2 (ja) * 1990-04-18 1996-12-18 株式会社日立製作所 空気流量検出器
JP2846518B2 (ja) * 1992-03-18 1999-01-13 株式会社日立製作所 空気流量検出器及びそれを使用したエンジン制御装置
DE4342481C2 (de) * 1993-12-13 1996-09-05 Siemens Ag Verfahren zum Messen der angesaugten Luftmasse
JP3133608B2 (ja) * 1994-02-28 2001-02-13 株式会社ユニシアジェックス 熱式空気流量検出装置
DE4410789A1 (de) * 1994-03-28 1995-10-05 Bosch Gmbh Robert Verfahren zur Korrektur des Ausgangssignales eines Luftmassenmessers
JP3324106B2 (ja) * 1994-06-23 2002-09-17 株式会社デンソー 熱式流量計
EP0695928A3 (en) * 1994-08-02 1996-11-27 Hitachi Ltd Intake air flow meter for an internal combustion engine
DE19501347C2 (de) * 1995-01-18 1996-12-19 Draegerwerk Ag Vorrichtung zur Messung des Durchflusses in einem Fluidkanal
JPH08219838A (ja) * 1995-02-15 1996-08-30 Hitachi Ltd 空気流量測定装置
DE19530413C1 (de) * 1995-08-18 1997-04-03 Heraeus Sensor Gmbh Verfahren zur Befestigung und Kontaktierung von Widerstandselementen für Heißfilmanemometer sowie Sensoranordnung
US5767384A (en) * 1995-08-30 1998-06-16 Hewlett-Packard Company System for developing laminar flow
US5837903A (en) * 1995-09-22 1998-11-17 The Scott Fetzer Company Inc. Device for measuring exhaust flowrate using laminar flow element
DE19603346A1 (de) * 1996-01-31 1997-08-07 Bosch Gmbh Robert Vorrichtung zur Bestimmung des Durchsatzes eines strömenden Mediums
US6267006B1 (en) * 1997-10-17 2001-07-31 Ford Motor Company Air induction assembly for a mass air flow sensor
DE19825305A1 (de) 1998-06-05 1999-12-09 Bayerische Motoren Werke Ag Verfahren zur Korrektur der durch ein Saugrohr angesaugten und im Saugrohr gemessenen Luftmasse eines Verbrennungsmotors
US6454754B1 (en) 1998-10-29 2002-09-24 Steven R. Frank Respiratory infection treatment device
JP2000171422A (ja) * 1998-12-04 2000-06-23 Fujikin Inc ガス検出センサー
DE10009153A1 (de) * 2000-02-26 2001-09-13 Bosch Gmbh Robert Vorrichtung zur Bestimmung von zumindest einem Parameter eines strömenden Gas-Flüssigkeitsgemischs bzw. Verwendung eines Strömungsgleichrichters als Kondensationsfalle bzw. Verfahren zur Kondensierung einer Flüssigkeit
US6738662B1 (en) 2000-11-21 2004-05-18 Steven R. Frank Electrolytic substance infusion device
US6708561B2 (en) 2002-04-19 2004-03-23 Visteon Global Technologies, Inc. Fluid flow meter having an improved sampling channel
US6826955B2 (en) * 2002-09-20 2004-12-07 Visteon Global Technologies, Inc. Mass fluid flow sensor having an improved housing design
DE10248194A1 (de) * 2002-10-16 2004-04-29 Robert Bosch Gmbh Verfahren und Vorrichtung zur Überwachung eines durch ein Stellelement eingestellten Massenstroms
US6973825B2 (en) * 2003-02-24 2005-12-13 Visteon Global Technologies, Inc. Hot-wire mass flow sensor with low-loss bypass passage
US7012223B2 (en) * 2003-11-25 2006-03-14 National Environmental Products, Ltd. Forced-air heater control system and method
US7084378B2 (en) * 2004-02-26 2006-08-01 Mack Trucks, Inc. Mass-flow sensor heating element protection method and apparatus
DE102004025537A1 (de) * 2004-05-25 2005-12-22 Bayerische Motoren Werke Ag Verfahren und Vorrichtung zur zylinderselektiven Ermittlung der von einem mehrzylindrigen ventilgesteuerten Verbrennungsmotor durchgesetzten Verbrennungsluft
CN100462706C (zh) * 2005-01-06 2009-02-18 清华大学 标准漏孔
US8285127B2 (en) 2007-09-05 2012-10-09 Tpi Corporation In-line duct supplemental heating and cooling device and method
NL2002633C2 (nl) * 2009-03-17 2010-09-20 Uptime Products B V Werkwijze en inrichting voor het bepalen van de koelluchtbalans in een geconditioneerde ruimte met ict apparatuur.
US8142071B1 (en) 2009-09-16 2012-03-27 Murray F Feller Thermoelectric thermal transfer sensor
JP5542505B2 (ja) * 2010-04-01 2014-07-09 日立オートモティブシステムズ株式会社 熱式流量センサ
US20140208755A1 (en) * 2013-01-28 2014-07-31 General Electric Company Gas Turbine Air Mass Flow Measuring System and Methods for Measuring Air Mass Flow in a Gas Turbine Inlet Duct
DE102014119231B4 (de) * 2014-12-19 2021-07-15 Endress + Hauser Flowtec Ag Thermisches Durchflussmessgerät mit Diagnosefunktion sowie zugehöriges Betriebsverfahren
EP3196659A1 (de) 2016-01-19 2017-07-26 Siemens Aktiengesellschaft Strömungssensor und verfahren zu seiner herstellung

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3995481A (en) * 1973-02-07 1976-12-07 Environmental Instruments, Inc. Directional fluid flow transducer
FI52500C (fi) * 1973-05-17 1977-09-12 Outokumpu Oy Ilman tai kaasun virtaussuunnan anturi kaivos- tai vastaavia olosuhtei ta varten
US4125093A (en) * 1974-09-30 1978-11-14 Chrysler Corporation Solid state fluid flow sensor
GB1488012A (en) * 1975-09-18 1977-10-05 Hawker Siddeley Dynamics Eng Mass flow transducers
US4199981A (en) * 1977-02-16 1980-04-29 Wen Young Flow control device for fluids flowing in a closed conduit
DE3009382A1 (de) * 1980-03-12 1981-09-24 Degussa Ag, 6000 Frankfurt Vorrichtung zur messung der stroemungsgeschwindigkeiten von gasen und fluessigkeiten
JPS56143915A (en) * 1980-04-11 1981-11-10 Nippon Soken Inc Measuring device for gas flow rate
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
DE3135794A1 (de) * 1981-09-10 1983-03-24 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur messung der masse eines in einem stroemungsquerschnitt stroemenden pulsierenden mediums
EP0119327B1 (en) * 1983-03-18 1987-01-07 Environmental Instruments Inc. Device for measuring the flow velocity of a medium
JPH06273124A (ja) * 1993-03-23 1994-09-30 Hitachi Electron Eng Co Ltd パンタグラフとトンネル壁面の最短距離算出方法

Also Published As

Publication number Publication date
EP0269781A1 (de) 1988-06-08
US4821700A (en) 1989-04-18
JPS63122919A (ja) 1988-05-26
DE3637541A1 (de) 1988-05-05
US4774833A (en) 1988-10-04

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