DE60137265D1 - Strömungsmesser mit widerstandsheizelement - Google Patents

Strömungsmesser mit widerstandsheizelement

Info

Publication number
DE60137265D1
DE60137265D1 DE60137265T DE60137265T DE60137265D1 DE 60137265 D1 DE60137265 D1 DE 60137265D1 DE 60137265 T DE60137265 T DE 60137265T DE 60137265 T DE60137265 T DE 60137265T DE 60137265 D1 DE60137265 D1 DE 60137265D1
Authority
DE
Germany
Prior art keywords
flowmeter
heating element
resistance heating
resistance
heating
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 - Fee Related
Application number
DE60137265T
Other languages
English (en)
Inventor
Hiromu Kikawa
Shinya Igarashi
Masayuki Kozawa
Naoki Saitou
Takayuki Saitou
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 DE60137265D1 publication Critical patent/DE60137265D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the 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
    • G01F5/00—Measuring a proportion of the volume flow

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
DE60137265T 2001-02-21 2001-02-21 Strömungsmesser mit widerstandsheizelement Expired - Fee Related DE60137265D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2001/001222 WO2002066936A1 (fr) 2001-02-21 2001-02-21 Debitmetre a dispositif de chauffage de resistance

Publications (1)

Publication Number Publication Date
DE60137265D1 true DE60137265D1 (de) 2009-02-12

Family

ID=11737036

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60137265T Expired - Fee Related DE60137265D1 (de) 2001-02-21 2001-02-21 Strömungsmesser mit widerstandsheizelement

Country Status (5)

Country Link
US (1) US7201046B2 (de)
EP (2) EP2034279B1 (de)
JP (1) JP4174321B2 (de)
DE (1) DE60137265D1 (de)
WO (1) WO2002066936A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006220419A (ja) * 2005-02-08 2006-08-24 Hitachi Ltd 発熱抵抗体式空気流量測定装置
JP4707412B2 (ja) * 2005-02-28 2011-06-22 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
JP4979262B2 (ja) * 2006-05-08 2012-07-18 日立オートモティブシステムズ株式会社 流量測定装置
JP5791759B1 (ja) * 2014-05-19 2015-10-07 三菱電機株式会社 流量測定装置
DE102021203219B3 (de) * 2021-03-30 2022-06-23 Vitesco Technologies GmbH Luftmassensensor und Kraftfahrzeug

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58105013A (ja) * 1981-12-18 1983-06-22 Hitachi Ltd 熱線式流量計
JPS604813A (ja) * 1983-06-23 1985-01-11 Nippon Soken Inc 気体流量測定装置
JPS6036916A (ja) 1983-08-10 1985-02-26 Automob Antipollut & Saf Res Center 熱式流量計
KR950009044B1 (ko) * 1987-06-17 1995-08-14 가부시키가이샤 히타치세이사쿠쇼 발열저항식 공기유량측정장치
JP2856542B2 (ja) * 1990-11-21 1999-02-10 株式会社日立製作所 熱線式空気流量計
DE4219454C2 (de) 1992-06-13 1995-09-28 Bosch Gmbh Robert Massenflußsensor
JPH06265385A (ja) 1993-03-15 1994-09-20 Hitachi Ltd 空気流量測定装置
JP3193837B2 (ja) 1994-10-18 2001-07-30 株式会社日立製作所 発熱抵抗式流量測定装置
JPH08219838A (ja) * 1995-02-15 1996-08-30 Hitachi Ltd 空気流量測定装置
JPH09145439A (ja) * 1995-11-27 1997-06-06 Nissan Motor Co Ltd 熱式流量計
JPH1114421A (ja) 1997-06-23 1999-01-22 Hitachi Ltd 発熱抵抗体式空気流量測定装置
JP3404300B2 (ja) * 1998-10-28 2003-05-06 三菱電機株式会社 感熱式流量センサ
US6658931B1 (en) * 2000-03-13 2003-12-09 Honeywell International Inc. Fluid flow sensing and control method and apparatus

Also Published As

Publication number Publication date
US20040060353A1 (en) 2004-04-01
WO2002066936A1 (fr) 2002-08-29
EP2034279B1 (de) 2016-07-06
JP4174321B2 (ja) 2008-10-29
EP1363109A4 (de) 2006-04-12
EP2034279A1 (de) 2009-03-11
EP1363109A1 (de) 2003-11-19
EP1363109B8 (de) 2009-04-08
US7201046B2 (en) 2007-04-10
JPWO2002066936A1 (ja) 2004-06-24
EP1363109B1 (de) 2008-12-31

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee