DE60229487D1 - Vorrichtung zur Gasdurchflussmessung - Google Patents

Vorrichtung zur Gasdurchflussmessung

Info

Publication number
DE60229487D1
DE60229487D1 DE60229487T DE60229487T DE60229487D1 DE 60229487 D1 DE60229487 D1 DE 60229487D1 DE 60229487 T DE60229487 T DE 60229487T DE 60229487 T DE60229487 T DE 60229487T DE 60229487 D1 DE60229487 D1 DE 60229487D1
Authority
DE
Germany
Prior art keywords
gas flow
flow measurement
measurement
gas
flow
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.)
Expired - Lifetime
Application number
DE60229487T
Other languages
English (en)
Inventor
Takafumi Matsumara
Kenichi Katagishi
Masahiro Matsumoto
Keiji Hanzawa
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.)
Hitachi Ltd
Hitachi Automotive Systems Engineering Co Ltd
Original Assignee
Hitachi Ltd
Hitachi Car Engineering Co Ltd
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 Hitachi Ltd, Hitachi Car Engineering Co Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE60229487D1 publication Critical patent/DE60229487D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • 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
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/2068—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements
    • F02D2041/2072—Bridge circuits, i.e. the load being placed in the diagonal of a bridge to be controlled in both directions

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)
  • Combined Controls Of Internal Combustion Engines (AREA)
DE60229487T 2001-12-04 2002-04-16 Vorrichtung zur Gasdurchflussmessung Expired - Lifetime DE60229487D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001370023A JP3753057B2 (ja) 2001-12-04 2001-12-04 気体流量測定装置

Publications (1)

Publication Number Publication Date
DE60229487D1 true DE60229487D1 (de) 2008-12-04

Family

ID=19179320

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60229487T Expired - Lifetime DE60229487D1 (de) 2001-12-04 2002-04-16 Vorrichtung zur Gasdurchflussmessung

Country Status (4)

Country Link
US (1) US6769298B2 (de)
EP (1) EP1321748B1 (de)
JP (1) JP3753057B2 (de)
DE (1) DE60229487D1 (de)

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* Cited by examiner, † Cited by third party
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JP4558647B2 (ja) * 2003-11-20 2010-10-06 日立オートモティブシステムズ株式会社 熱式流体流量計
JP4485854B2 (ja) * 2004-06-04 2010-06-23 シーケーディ株式会社 熱式流量センサ
US7230552B2 (en) * 2005-04-08 2007-06-12 Halliburton Energy Services, Inc. Temperature compensation apparatus, systems, and methods
US7293466B2 (en) 2005-07-19 2007-11-13 Hitachi, Ltd. Bolt with function of measuring strain
JP4907959B2 (ja) * 2005-11-21 2012-04-04 矢崎総業株式会社 フローセンサ用補正ユニット、流体判別装置、及び、流量計測装置
US7653503B2 (en) * 2006-04-20 2010-01-26 Tao Of Systems Integration, Inc. Temperature-compensating sensor system
AT505301B1 (de) * 2007-08-06 2008-12-15 Vaillant Austria Gmbh Verfahren zur fehlererkennung eines strömungssensors
JP4576444B2 (ja) * 2008-03-31 2010-11-10 日立オートモティブシステムズ株式会社 熱式流量計
JP2010131264A (ja) * 2008-12-05 2010-06-17 Nippon Koden Corp 呼吸気情報測定センサ
US7946167B2 (en) 2009-08-12 2011-05-24 Carefusion 207, Inc. Constant temperature hot-conductor anemometer
CN103154678A (zh) * 2010-08-02 2013-06-12 微动公司 用于确定振动计的振动传感器部件的温度的方法及装置
RU2476829C2 (ru) * 2011-08-09 2013-02-27 Игорь Борисович Амураль Устройство для измерения расхода газа
JP5665703B2 (ja) * 2011-09-16 2015-02-04 三菱電機株式会社 車両用熱式流量センサ
JP5663447B2 (ja) * 2011-09-30 2015-02-04 日立オートモティブシステムズ株式会社 気体流量測定装置
JP5743871B2 (ja) * 2011-12-07 2015-07-01 日立オートモティブシステムズ株式会社 熱式流量計
CN104081169B (zh) * 2012-01-10 2016-10-19 日立汽车系统株式会社 流量计测装置
US8710898B1 (en) * 2012-10-17 2014-04-29 Lattice Semiconductor Corporation Triple-trim reference voltage generator
JP5914388B2 (ja) * 2013-03-05 2016-05-11 日立オートモティブシステムズ株式会社 熱式流体計測装置
US9207109B2 (en) * 2013-04-09 2015-12-08 Honeywell International Inc. Flow sensor with improved linear output
JP2015050549A (ja) * 2013-08-30 2015-03-16 株式会社デンソー 発振回路
JP2015204608A (ja) 2014-04-16 2015-11-16 富士電機株式会社 物理量センサ装置および物理量センサ装置の調整方法
DE102014216867A1 (de) * 2014-08-25 2016-02-25 Robert Bosch Gmbh Vorrichtung und Verfahren zum Bestimmen eines Massenstroms eines Fluids und Verfahren zum Herstellen einer solchen Vorrichtung
JP6354538B2 (ja) * 2014-11-21 2018-07-11 株式会社デンソー 通信システム、流量測定装置および制御装置
US10655994B2 (en) 2015-04-30 2020-05-19 Hewlett-Packard Development Company, L.P. Microfluidic flow sensor
RU2610518C1 (ru) * 2015-11-10 2017-02-13 Общество с ограниченной ответственностью "ДИОТЕХ" Устройство для измерения расхода газа
CN106840287B (zh) * 2017-01-04 2020-02-11 新奥科技发展有限公司 流量传感器、流量计及流量检测方法
RU2715087C1 (ru) * 2018-12-14 2020-02-25 Акционерное общество "Военно-промышленная корпорация "Научно-производственное объединение машиностроения" Счётчик газа (варианты)
CN113799761A (zh) * 2020-06-15 2021-12-17 卓品智能科技无锡有限公司 一种增程式新能源协调控制器控制系统

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0675247B2 (ja) * 1983-11-04 1994-09-21 株式会社日立製作所 空気流量検出装置
JPS627842A (ja) * 1985-07-03 1987-01-14 Kawasaki Steel Corp 延性が良好な高張力合金化溶融亜鉛めつき鋼板およびその製造方法
DE4004552C2 (de) * 1989-02-14 1994-07-07 Mitsubishi Electric Corp Signalverarbeitungsverfahren für einen thermischen Durchflußsensor
JP2933953B2 (ja) 1989-08-14 1999-08-16 富士通株式会社 発券機におけるストックナンバーチェック装置
US5187674A (en) * 1989-12-28 1993-02-16 Honeywell Inc. Versatile, overpressure proof, absolute pressure sensor
US5335186A (en) * 1990-03-30 1994-08-02 Texas Instruments Incorporated Intelligent programmable sensing
JPH04169915A (ja) * 1990-11-02 1992-06-17 Hitachi Ltd 半導体集積回路
JP2677923B2 (ja) 1991-12-06 1997-11-17 株式会社日立製作所 発熱抵抗体式空気流量計
JP3073089B2 (ja) * 1992-02-13 2000-08-07 株式会社日立製作所 空気流量計
JP2948040B2 (ja) * 1993-01-12 1999-09-13 株式会社日立製作所 発熱抵抗式空気流量計
JPH08278178A (ja) 1995-04-03 1996-10-22 Hitachi Ltd 熱式空気流量計
US5805403A (en) * 1996-03-28 1998-09-08 3Com Ltd. Integrated circuit temperature monitoring and protection system
JP3363360B2 (ja) 1997-10-08 2003-01-08 株式会社日立製作所 センサ調整回路
US6311136B1 (en) * 1997-11-26 2001-10-30 Invensys Systems, Inc. Digital flowmeter
JP2000338193A (ja) 1999-05-31 2000-12-08 Hitachi Ltd 集積回路及び物理量検出システム
US6504489B1 (en) * 2000-05-15 2003-01-07 Rosemount Inc. Process control transmitter having an externally accessible DC circuit common
CH694474A5 (de) * 2000-06-23 2005-01-31 Sensirion Ag Gaszähler und Verwendung des Gaszählers.

Also Published As

Publication number Publication date
US6769298B2 (en) 2004-08-03
EP1321748A3 (de) 2005-09-14
US20030101809A1 (en) 2003-06-05
JP3753057B2 (ja) 2006-03-08
EP1321748B1 (de) 2008-10-22
EP1321748A2 (de) 2003-06-25
JP2003166865A (ja) 2003-06-13

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: MATSUMOTO, MASAHIRO, HITACHI-SHI, IBARAKI 319-, JP

Inventor name: KATAGISHI, KENICHI, HITACHINAKA-SHI, IBARAKI 3, JP

Inventor name: MATSUMURA, TAKAFUMI, HITACHINAKA-SHI, IBARAKI , JP

Inventor name: HANZAWA, KEIJI, MITO-SHI, IBARAKI 310-0836, JP

8364 No opposition during term of opposition