DE602005003992D1 - Thermischer Luftströmungsmesser - Google Patents

Thermischer Luftströmungsmesser

Info

Publication number
DE602005003992D1
DE602005003992D1 DE602005003992T DE602005003992T DE602005003992D1 DE 602005003992 D1 DE602005003992 D1 DE 602005003992D1 DE 602005003992 T DE602005003992 T DE 602005003992T DE 602005003992 T DE602005003992 T DE 602005003992T DE 602005003992 D1 DE602005003992 D1 DE 602005003992D1
Authority
DE
Germany
Prior art keywords
air flow
flow meter
thermal air
thermal
meter
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.)
Active
Application number
DE602005003992T
Other languages
English (en)
Other versions
DE602005003992T2 (de
Inventor
Hiroshi Nakano
Izume Watanabe
Masamichi Yamada
Masahiro Matsumoto
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
Original Assignee
Hitachi 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 filed Critical Hitachi Ltd
Publication of DE602005003992D1 publication Critical patent/DE602005003992D1/de
Application granted granted Critical
Publication of DE602005003992T2 publication Critical patent/DE602005003992T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01F1/6845—Micromachined devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
DE602005003992T 2004-08-18 2005-08-12 Thermischer Luftströmungsmesser Active DE602005003992T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004238565A JP2006058078A (ja) 2004-08-18 2004-08-18 熱式空気流量計
JP2004238565 2004-08-18

Publications (2)

Publication Number Publication Date
DE602005003992D1 true DE602005003992D1 (de) 2008-02-07
DE602005003992T2 DE602005003992T2 (de) 2008-05-29

Family

ID=35385525

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005003992T Active DE602005003992T2 (de) 2004-08-18 2005-08-12 Thermischer Luftströmungsmesser

Country Status (4)

Country Link
US (1) US7360415B2 (de)
EP (1) EP1628117B1 (de)
JP (1) JP2006058078A (de)
DE (1) DE602005003992T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7456638B2 (en) * 2005-04-19 2008-11-25 University Of South Florida MEMS based conductivity-temperature-depth sensor for harsh oceanic environment
JP2007024589A (ja) * 2005-07-13 2007-02-01 Hitachi Ltd 気体流量計測装置
JP2008175745A (ja) * 2007-01-19 2008-07-31 Denso Corp エアフローメータ
AT505301B1 (de) * 2007-08-06 2008-12-15 Vaillant Austria Gmbh Verfahren zur fehlererkennung eines strömungssensors
JP4850105B2 (ja) * 2007-03-23 2012-01-11 日立オートモティブシステムズ株式会社 熱式流量計
JP4836864B2 (ja) * 2007-05-16 2011-12-14 日立オートモティブシステムズ株式会社 熱式流量計
US8353201B2 (en) * 2007-06-22 2013-01-15 GM Global Technology Operations LLC Intake air temperature rationality diagnostic
JP2010085137A (ja) 2008-09-30 2010-04-15 Hitachi Automotive Systems Ltd 空気流量計
DE102008052394B4 (de) * 2008-10-21 2014-07-31 Continental Automotive Gmbh Massenstromsensor und Kraftfahrzeug mit dem Massenstromsensor
JP5577198B2 (ja) * 2010-09-08 2014-08-20 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
JP5271997B2 (ja) * 2010-12-28 2013-08-21 日立オートモティブシステムズ株式会社 吸気温度センサ
JP5350413B2 (ja) * 2011-01-31 2013-11-27 日立オートモティブシステムズ株式会社 吸気温度センサおよびそれを有する熱式空気流量計
JP5629657B2 (ja) * 2011-08-03 2014-11-26 トヨタ自動車株式会社 ハイブリッド車両およびハイブリッド車両の制御方法
DE102011089897A1 (de) * 2011-12-23 2013-06-27 Continental Automotive Gmbh Sensorsystem
JP5675716B2 (ja) * 2012-06-29 2015-02-25 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
US9606074B2 (en) 2012-07-30 2017-03-28 Heinz Plöchinger Fluid property sensor with heat loss compensation and operating method thereof
JP2014032040A (ja) * 2012-08-01 2014-02-20 Keumyang Ind Co Ltd 船舶用内燃機関のピストン冷却オイルの流量及び温度感知のための熱量式流量感知及び温度計測システム
DE102012018383A1 (de) * 2012-09-18 2014-04-10 Sensus Spectrum Llc Wärmesensor
DE102012219304A1 (de) * 2012-10-23 2014-04-24 Continental Automotive Gmbh Luftmassenmesser
DE102012219305B3 (de) * 2012-10-23 2014-02-13 Continental Automotive Gmbh Luftmassenmesser mit einem Sensorelement
JP5916637B2 (ja) 2013-01-11 2016-05-11 日立オートモティブシステムズ株式会社 流量センサおよびその製造方法
JP6106559B2 (ja) 2013-09-02 2017-04-05 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
JP6201901B2 (ja) * 2014-06-04 2017-09-27 株式会社デンソー 空気流量測定装置
DE102014219541A1 (de) * 2014-09-26 2016-03-31 Continental Automotive Gmbh Luftmassenmesser mit einem Sensorelement
JP6555214B2 (ja) * 2016-08-25 2019-08-07 株式会社デンソー 圧力センサ
GB2558896B (en) * 2017-01-17 2019-10-09 Cambridge Entpr Ltd A single membane flow-pressure sensing device
US10436665B2 (en) 2017-06-01 2019-10-08 Heinz Plöchinger Fluid property sensor with heat loss compensation and operating method thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4565096A (en) * 1983-12-09 1986-01-21 Rosemount Inc. Pressure transducer
JPH06249693A (ja) * 1993-02-25 1994-09-09 Robert Bosch Gmbh 質量流量センサおよびその製造方法
GB9321398D0 (en) * 1993-10-16 1993-12-08 Lucas Ind Plc Differential pressure transducer
US5707148A (en) * 1994-09-23 1998-01-13 Ford Global Technologies, Inc. Catalytic calorimetric gas sensor
DE19808248A1 (de) * 1998-02-27 1999-09-02 Pierburg Ag Meßvorrichtung zur Messung der Masse eines strömenden Mediums
JP3513048B2 (ja) * 1999-04-13 2004-03-31 三菱電機株式会社 感熱式流量センサおよびその製造方法
JP3484372B2 (ja) * 1999-06-10 2004-01-06 三菱電機株式会社 感熱式流量センサ
LU90492B1 (de) * 1999-12-16 2001-06-18 Delphi Tech Inc Massendurchflussmesser
JP2001349759A (ja) * 2000-06-08 2001-12-21 Mitsubishi Electric Corp 熱式流量センサ
JP3655838B2 (ja) * 2001-04-27 2005-06-02 三菱電機株式会社 感熱式流量センサ
JP3538188B2 (ja) * 2002-04-02 2004-06-14 三菱電機株式会社 感熱式流量検出素子およびその製造方法
JP3920247B2 (ja) * 2003-07-02 2007-05-30 三菱電機株式会社 感熱式流量検出素子およびその製造方法

Also Published As

Publication number Publication date
EP1628117B1 (de) 2007-12-26
EP1628117A1 (de) 2006-02-22
US20060037390A1 (en) 2006-02-23
US7360415B2 (en) 2008-04-22
JP2006058078A (ja) 2006-03-02
DE602005003992T2 (de) 2008-05-29

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Inventor name: NAKANO, HIROSHI HITACHI, CHIYODA-KU TOKYO 100-, JP

Inventor name: WATANABE, IZUMI, HITACHINAKA-SHI IBARAKI 312-0, JP

Inventor name: YAMADA, MASAMICHI, CHIYODA-KU TOKYO 100-8220, JP

Inventor name: MATSUMOTO, MASAHIRO, CHIYODA-KU TOKYO 100-8220, JP

8364 No opposition during term of opposition