IN2012DE00333A - - Google Patents

Info

Publication number
IN2012DE00333A
IN2012DE00333A IN333DE2012A IN2012DE00333A IN 2012DE00333 A IN2012DE00333 A IN 2012DE00333A IN 333DE2012 A IN333DE2012 A IN 333DE2012A IN 2012DE00333 A IN2012DE00333 A IN 2012DE00333A
Authority
IN
India
Prior art keywords
humidity
space
intake pipe
bypass passage
structural component
Prior art date
Application number
Other languages
English (en)
Inventor
Takayuki Saito
Keiji Hanzawa
Takayuki Yogo
Original Assignee
Hitachi Automotive Systems 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 Automotive Systems Ltd filed Critical Hitachi Automotive Systems Ltd
Publication of IN2012DE00333A publication Critical patent/IN2012DE00333A/en

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
    • 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
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
    • G01F15/043—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means
    • G01F15/046—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means involving digital counting
    • 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

  • 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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
IN333DE2012 2011-02-09 2012-02-06 IN2012DE00333A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011025559A JP5396410B2 (ja) 2011-02-09 2011-02-09 センサの構造

Publications (1)

Publication Number Publication Date
IN2012DE00333A true IN2012DE00333A (ja) 2015-04-10

Family

ID=45655498

Family Applications (1)

Application Number Title Priority Date Filing Date
IN333DE2012 IN2012DE00333A (ja) 2011-02-09 2012-02-06

Country Status (5)

Country Link
US (1) US8549901B2 (ja)
EP (1) EP2487355B1 (ja)
JP (1) JP5396410B2 (ja)
CN (1) CN102636218B (ja)
IN (1) IN2012DE00333A (ja)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5178388B2 (ja) * 2008-08-11 2013-04-10 日立オートモティブシステムズ株式会社 空気流量測定装置
DE102009053433A1 (de) * 2009-11-17 2011-05-19 Daimler Ag Saugrohrabschnitt und Sauganlage
JP2012052809A (ja) * 2010-08-31 2012-03-15 Hitachi Automotive Systems Ltd センサの構造
DE102010043062A1 (de) * 2010-10-28 2012-05-03 Robert Bosch Gmbh Sensorvorrichtung zur Erfassung einer Strömungseigenschaft eines fluiden Mediums
DE102010043083A1 (de) * 2010-10-28 2012-05-03 Robert Bosch Gmbh Sensorvorrichtung zur Erfassung einer Strömungseigenschaft eines fluiden Mediums
JP5557767B2 (ja) * 2011-02-09 2014-07-23 日立オートモティブシステムズ株式会社 センサの構造
JP5445535B2 (ja) * 2011-08-09 2014-03-19 株式会社デンソー 空気流量測定装置
JP5675708B2 (ja) * 2012-06-15 2015-02-25 日立オートモティブシステムズ株式会社 熱式流量計
JP5675717B2 (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 空気物理量検出装置
DE102012218758A1 (de) 2012-10-15 2014-04-17 Robert Bosch Gmbh Sensoranordnung zur Bestimmung des Feuchtegehalts eines in einer Hauptströmungsrichtung strömenden fluiden Mediums
JP6090116B2 (ja) * 2013-11-07 2017-03-08 株式会社デンソー 流量測定装置
JP6208251B2 (ja) * 2013-11-07 2017-10-04 日立オートモティブシステムズ株式会社 物理量計測装置
JP6121567B2 (ja) * 2013-12-10 2017-04-26 日立オートモティブシステムズ株式会社 湿度計測装置
JP6142840B2 (ja) * 2014-04-28 2017-06-07 株式会社デンソー 空気流量測定装置
JP6194852B2 (ja) 2014-06-06 2017-09-13 株式会社デンソー 湿度検出機能付き空気流量測定装置
JP6237495B2 (ja) * 2014-06-27 2017-11-29 株式会社デンソー 空気流量測定装置
JP6184915B2 (ja) * 2014-07-30 2017-08-23 日立オートモティブシステムズ株式会社 物理量検出装置
CN106662475B (zh) 2014-07-30 2019-05-10 日立汽车系统株式会社 物理量检测装置
JP6325107B2 (ja) * 2014-07-30 2018-05-16 日立オートモティブシステムズ株式会社 物理量検出装置
US10655991B2 (en) 2014-07-30 2020-05-19 Hitachi Automotive Systems, Ltd. Physical-quantity detection device for intake air in an internal combustion engine
JP5826355B1 (ja) * 2014-10-03 2015-12-02 三菱電機株式会社 流量測定装置
JP6686276B2 (ja) * 2014-12-09 2020-04-22 株式会社デンソー エアフロメータ
JP6426205B2 (ja) * 2015-01-30 2018-11-21 日立オートモティブシステムズ株式会社 電子装置
JP6413930B2 (ja) * 2015-05-28 2018-10-31 株式会社デンソー 空気流量測定装置
JP6641789B2 (ja) * 2015-08-27 2020-02-05 株式会社デンソー 空気流量測定装置
JP6641820B2 (ja) * 2015-09-16 2020-02-05 株式会社デンソー 流量測定装置
JP6720200B2 (ja) * 2015-09-30 2020-07-08 日立オートモティブシステムズ株式会社 物理量検出装置
JP6474342B2 (ja) * 2015-10-28 2019-02-27 日立オートモティブシステムズ株式会社 物理量検出装置
JP6387953B2 (ja) * 2015-12-22 2018-09-12 株式会社デンソー 空気流量測定装置
JP6812688B2 (ja) * 2016-07-20 2021-01-13 株式会社デンソー 吸気流量測定装置
JP6565867B2 (ja) 2016-10-28 2019-08-28 株式会社デンソー 空気物理量センサ
JP6919176B2 (ja) * 2016-10-28 2021-08-18 株式会社デンソー 空気物理量センサ
US10900820B2 (en) * 2016-11-30 2021-01-26 Hitachi Automotive Systems, Ltd. Air flow rate measurement device having a segmented board portion at an upstream side to suppress flow disturbances
JP6851466B2 (ja) * 2017-04-21 2021-03-31 日立Astemo株式会社 湿度測定装置
DE112018003407B4 (de) * 2017-09-29 2024-09-05 Hitachi Astemo, Ltd. Detektionsvorrichtung für physikalische Größen
DE202018100186U1 (de) * 2018-01-15 2018-01-26 Sensirion Automotive Solutions Ag Sensormodul zur Luftgütemessung
JP7225549B2 (ja) 2018-03-23 2023-02-21 株式会社デンソー 吸気装置
WO2020202723A1 (ja) * 2019-03-29 2020-10-08 日立オートモティブシステムズ株式会社 物理量検出装置
JP2021039026A (ja) * 2019-09-04 2021-03-11 株式会社デンソー 空気流量測定装置
AT524543B1 (de) * 2021-03-25 2022-07-15 Avl List Gmbh Messvorrichtung zur Bestimmung eines Stickstoff- und/oder Wasserstoffdurchflusses
CN114593780B (zh) * 2022-05-09 2022-07-15 江苏双辉环境科技有限公司 一种冷却塔挡水帘飘水率测试装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0441523B2 (en) * 1990-02-07 2001-05-09 Hitachi, Ltd. Air flow rate measuring device for an internal combustion engine
JPH07229776A (ja) * 1994-02-21 1995-08-29 Hitachi Ltd 空気流量測定装置
JP2786434B2 (ja) * 1996-12-25 1998-08-13 株式会社日立製作所 熱式空気流量計
JP3335860B2 (ja) * 1997-01-16 2002-10-21 株式会社日立製作所 熱式空気流量計用測定素子及び熱式空気流量計
JP3523022B2 (ja) 1997-06-26 2004-04-26 株式会社日立製作所 発熱抵抗体式空気流量測定装置及び内燃機関の吸気系システム及び内燃機関の制御システム
DE19815654A1 (de) 1998-04-08 1999-10-14 Bosch Gmbh Robert Meßvorrichtung zum Messen der Masse eines in einer Leitung strömenden Mediums
JP3985801B2 (ja) * 2004-04-28 2007-10-03 株式会社デンソー 空気流量測定装置
US7520051B2 (en) * 2007-01-04 2009-04-21 Honeywell International Inc. Packaging methods and systems for measuring multiple measurands including bi-directional flow
JP4416012B2 (ja) 2007-06-06 2010-02-17 株式会社日立製作所 吸入空気流量測定装置
JP4910179B2 (ja) * 2008-05-28 2012-04-04 Ｓｍｃ株式会社 フローセンサ
JP5178388B2 (ja) * 2008-08-11 2013-04-10 日立オートモティブシステムズ株式会社 空気流量測定装置
JP4929333B2 (ja) * 2009-09-30 2012-05-09 日立オートモティブシステムズ株式会社 センサの構造

Also Published As

Publication number Publication date
US20120198925A1 (en) 2012-08-09
US8549901B2 (en) 2013-10-08
CN102636218B (zh) 2015-04-08
EP2487355A1 (en) 2012-08-15
EP2487355B1 (en) 2021-05-26
CN102636218A (zh) 2012-08-15
JP2012163505A (ja) 2012-08-30
JP5396410B2 (ja) 2014-01-22

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