DE69739014D1 - Luftdurchflussmesser mit einem umgekehrten U-förmigen Bypasskanal - Google Patents

Luftdurchflussmesser mit einem umgekehrten U-förmigen Bypasskanal

Info

Publication number
DE69739014D1
DE69739014D1 DE69739014T DE69739014T DE69739014D1 DE 69739014 D1 DE69739014 D1 DE 69739014D1 DE 69739014 T DE69739014 T DE 69739014T DE 69739014 T DE69739014 T DE 69739014T DE 69739014 D1 DE69739014 D1 DE 69739014D1
Authority
DE
Germany
Prior art keywords
inverted
air flow
flow meter
bypass channel
shaped bypass
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
DE69739014T
Other languages
English (en)
Inventor
Ryo Nagasaka
Yasushi Kohno
Masaaki Konishi
Minoru Kondo
Katsumi Nakashima
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.)
Denso Corp
Original Assignee
Denso 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
Priority claimed from JP10177696A external-priority patent/JP3649258B2/ja
Priority claimed from JP8103028A external-priority patent/JPH09287991A/ja
Application filed by Denso Corp filed Critical Denso Corp
Application granted granted Critical
Publication of DE69739014D1 publication Critical patent/DE69739014D1/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
    • G01F1/684—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
    • G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the fluid flow

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Sampling And Sample Adjustment (AREA)
DE69739014T 1996-04-24 1997-04-23 Luftdurchflussmesser mit einem umgekehrten U-förmigen Bypasskanal Expired - Lifetime DE69739014D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10177696A JP3649258B2 (ja) 1996-04-24 1996-04-24 空気流量測定装置
JP8103028A JPH09287991A (ja) 1996-04-25 1996-04-25 空気流量測定装置

Publications (1)

Publication Number Publication Date
DE69739014D1 true DE69739014D1 (de) 2008-11-13

Family

ID=26442592

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69739014T Expired - Lifetime DE69739014D1 (de) 1996-04-24 1997-04-23 Luftdurchflussmesser mit einem umgekehrten U-förmigen Bypasskanal

Country Status (3)

Country Link
US (1) US5804718A (de)
EP (2) EP0803712B1 (de)
DE (1) DE69739014D1 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3285513B2 (ja) * 1997-05-28 2002-05-27 三菱電機株式会社 感熱式流量センサおよび内燃機関の吸気装置
JP3783896B2 (ja) * 1997-10-13 2006-06-07 株式会社デンソー 空気流量測定装置
JP3758111B2 (ja) 1998-03-06 2006-03-22 株式会社デンソー 空気流量測定装置
DE19815654A1 (de) * 1998-04-08 1999-10-14 Bosch Gmbh Robert Meßvorrichtung zum Messen der Masse eines in einer Leitung strömenden Mediums
JP3553422B2 (ja) 1999-06-08 2004-08-11 三菱電機株式会社 流量センサ
KR20010039993A (ko) * 1999-10-06 2001-05-15 오카무라 가네오 유량 및 유속 측정장치
AT4442U1 (de) * 1999-11-03 2001-07-25 Technoplast Kunststofftechnik Vorrichtung zur bestimmung des betriebszustandes eines extruders zur erzeugung eines kunststoffprofils
JP2001255189A (ja) * 2000-03-13 2001-09-21 Ngk Spark Plug Co Ltd 流量及び流速測定装置
JP2002005713A (ja) * 2000-04-17 2002-01-09 Denso Corp 空気流量測定装置
DE10019149B4 (de) * 2000-04-18 2007-06-06 Robert Bosch Gmbh Vorrichtung zur Bestimmung zumindest eines Parameters eines strömenden Mediums
JP2002122452A (ja) * 2000-08-11 2002-04-26 Ngk Spark Plug Co Ltd 分流式流量計
US6474154B2 (en) * 2001-01-05 2002-11-05 Ngk Spark Plug Co., Ltd. Flow measurement device for measuring flow rate and flow velocity
DE10138482A1 (de) * 2001-08-04 2003-02-13 Bosch Gmbh Robert Vorrichtung zumindest bestehend aus zwei Teilen, die miteinander verbunden sind
DE10139933C2 (de) * 2001-08-14 2003-10-30 Siemens Ag Massenstrommesser
JP3764860B2 (ja) * 2001-09-11 2006-04-12 株式会社日立製作所 流量計測装置
US6622555B2 (en) 2001-10-11 2003-09-23 Visteon Global Technologies, Inc. Fluid flow meter
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
US6973825B2 (en) * 2003-02-24 2005-12-13 Visteon Global Technologies, Inc. Hot-wire mass flow sensor with low-loss bypass passage
JP3848934B2 (ja) * 2003-05-16 2006-11-22 三菱電機株式会社 空気流量測定装置
DE102004022271A1 (de) * 2003-07-14 2005-02-03 Robert Bosch Gmbh Vorrichtung zur Bestimmung wenigstens eines Parameters eines in einer Leitung strömenden Mediums
US7360414B2 (en) 2003-07-14 2008-04-22 Robert Bosch Gmbh Device for determining at least one parameter of a medium flowing in a conduit and having a separation opening in the bypass passage
JP4034251B2 (ja) * 2003-09-26 2008-01-16 株式会社ケーヒン 内燃機関の吸気装置及び吸入空気量測定方法
JP2005140753A (ja) * 2003-11-10 2005-06-02 Mitsubishi Electric Corp 内燃機関の吸入空気量測定装置
US7047805B2 (en) 2004-04-09 2006-05-23 Visteon Global Technologies, Inc. Fluid flow meter having an auxiliary flow passage
JP4089654B2 (ja) * 2004-04-28 2008-05-28 株式会社デンソー 空気流量測定装置
JP3985801B2 (ja) * 2004-04-28 2007-10-03 株式会社デンソー 空気流量測定装置
DE102004035893B4 (de) * 2004-07-23 2013-03-14 Robert Bosch Gmbh Vorrichtung zur Bestimmung wenigstens eines Parameters eines in einer Leitung strömenden Mediums
US7375613B2 (en) * 2005-04-15 2008-05-20 Honeywell International Inc. Passive entry sensor system
JP4957081B2 (ja) * 2005-09-15 2012-06-20 株式会社デンソー 流量測定装置
JP4161077B2 (ja) * 2005-09-29 2008-10-08 三菱電機株式会社 流量測定装置
JP4752472B2 (ja) * 2005-12-02 2011-08-17 株式会社デンソー 空気流量測定装置
JP4488031B2 (ja) 2007-06-14 2010-06-23 株式会社デンソー 空気流量測定装置
JP4412357B2 (ja) * 2007-06-14 2010-02-10 株式会社デンソー 空気流量測定装置
JP4488030B2 (ja) * 2007-06-14 2010-06-23 株式会社デンソー 空気流量測定装置
JP4792427B2 (ja) * 2007-06-15 2011-10-12 トヨタ自動車株式会社 配管防水接続構造
JP5263324B2 (ja) * 2011-03-24 2013-08-14 株式会社デンソー 空気流量測定装置
JP5397425B2 (ja) 2011-07-16 2014-01-22 株式会社デンソー 空気流量測定装置
DE112012005626B4 (de) 2012-01-10 2021-08-12 Hitachi Automotive Systems, Ltd. Durchflussmessvorrichtung
JP6477195B2 (ja) * 2015-04-21 2019-03-06 株式会社デンソー 流量測定装置
JP6365388B2 (ja) * 2015-04-21 2018-08-01 株式会社デンソー 流量測定装置
JP6690899B2 (ja) * 2015-06-29 2020-04-28 株式会社デンソー 空気流量測定装置
JP6289585B1 (ja) * 2016-10-25 2018-03-07 三菱電機株式会社 流量測定装置
JP7097333B2 (ja) * 2019-06-25 2022-07-07 日立Astemo株式会社 物理量検出装置
CN112857499A (zh) * 2021-04-06 2021-05-28 浙江双良汽车零部件有限公司 一种空气流量计

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3557482A (en) * 1969-02-04 1971-01-26 Us Army Means for controlling the headspacing of grenade cartridges in a single-shot launcher
JPS6045806B2 (ja) * 1979-08-22 1985-10-12 株式会社日立製作所 発熱抵抗体を用いた空気流量計
JPS56108908A (en) 1980-01-31 1981-08-28 Hitachi Ltd Detector for sucked air flow rate of internal combustion engine
JPS58105013A (ja) * 1981-12-18 1983-06-22 Hitachi Ltd 熱線式流量計
US4571996A (en) * 1984-08-10 1986-02-25 Allied Corporation Air flow sensor
JPS6282240A (ja) * 1985-10-04 1987-04-15 Hitachi Ltd 吸入空気量測定装置
JPH0672793B2 (ja) * 1986-01-08 1994-09-14 株式会社日立製作所 流量検出装置
JPH085427B2 (ja) 1987-02-17 1996-01-24 本田技研工業株式会社 車両用後退制御装置
JP2694664B2 (ja) 1989-03-07 1997-12-24 株式会社日立製作所 熱線式空気流量計及び該流量計を備えた内燃機関
DE69231960T2 (de) * 1991-12-19 2001-12-06 Denso Corp., Kariya Durchflussmesser
JP2846207B2 (ja) * 1992-09-17 1999-01-13 株式会社日立製作所 空気流量測定装置
US5537870A (en) 1994-10-03 1996-07-23 Ford Motor Company Contaminant free backflow reducing insert for mass air flow sensors

Also Published As

Publication number Publication date
EP1764588A3 (de) 2008-02-27
EP1764588A2 (de) 2007-03-21
EP0803712A2 (de) 1997-10-29
EP0803712A3 (de) 1998-08-05
EP1764588B1 (de) 2015-01-07
US5804718A (en) 1998-09-08
EP0803712B1 (de) 2008-10-01

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition