JP4569831B2 - 空気流量測定装置 - Google Patents
空気流量測定装置 Download PDFInfo
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- JP4569831B2 JP4569831B2 JP2006109829A JP2006109829A JP4569831B2 JP 4569831 B2 JP4569831 B2 JP 4569831B2 JP 2006109829 A JP2006109829 A JP 2006109829A JP 2006109829 A JP2006109829 A JP 2006109829A JP 4569831 B2 JP4569831 B2 JP 4569831B2
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- Japan
- Prior art keywords
- bypass passage
- air flow
- flow rate
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- section
- 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.)
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Description
前記空気流路を迂回するバイパス通路と、前記バイパス通路内であって前記バイパス通路の断面中央から偏った位置に配置される流量測定素子と、前記バイパス通路内で前記流量測定素子の上流側であって、断面方向で前記流量測定装置が位置する前記断面中央から偏った側の一部断面を絞る絞り部と、を有することを特徴とする。
2…エアフローメータ(空気流量測定装置)
5…ベンチュリ流路部
6…バイパス流路部
7…取付部
9…回路モジュール部
11…取付穴
13…ベンチュリ通路
14…バイパス通路
15…外管
16…仕切壁
17…入口側バイパス通路
18…出口側バイパス通路
20(20a、20b)…絞り部
21…絞り部出口側空間部
23…上端
27、28、29、30…支持部材
31…発熱素子(流量測定素子)
32…感温素子
35…サーミスタ
Claims (4)
- 空気流路を流れる空気流量を測定する熱式の空気流量測定装置であって、
前記空気流路を迂回するバイパス通路と、
前記バイパス通路内であって前記バイパス通路の断面中央から偏った位置に配置される流量測定素子と、
前記バイパス通路内で前記流量測定素子の上流側であって、断面方向で前記流量測定装置が位置する前記断面中央から偏った側の一部断面を絞る絞り部と、
を有することを特徴とする空気流量測定装置。 - 前記絞り部は前記バイパス通路の壁面近傍にて前記バイパス通路を絞る部材である請求項1に記載の空気流量測定装置。
- 前記絞り部は前記バイパス通路の壁面近傍にあって前記流量測定素子が前記断面中央
から偏った側の一部断面を絞る部材である請求項1に記載の空気流量測定装置。 - 前記バイパス通路断面における前記流量測定素子が配置された位置とずれた位置であって該バイパス通路内に配置された感温素子を有する請求項1〜3のいずれかに記載の空気流量測定装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006109829A JP4569831B2 (ja) | 2006-04-12 | 2006-04-12 | 空気流量測定装置 |
US11/727,814 US7661877B2 (en) | 2006-04-12 | 2007-03-28 | Thermal flow detecting apparatus and method for detecting flow using the same |
CNB2007100965245A CN100535609C (zh) | 2006-04-12 | 2007-04-11 | 热流量检测装置及利用该装置检测流量的方法 |
DE102007000215.9A DE102007000215B4 (de) | 2006-04-12 | 2007-04-11 | Thermisches Strömungserfassungsgerät und Verfahren zum Messen einer Strömung mittels des Geräts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006109829A JP4569831B2 (ja) | 2006-04-12 | 2006-04-12 | 空気流量測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007285715A JP2007285715A (ja) | 2007-11-01 |
JP4569831B2 true JP4569831B2 (ja) | 2010-10-27 |
Family
ID=38514760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006109829A Active JP4569831B2 (ja) | 2006-04-12 | 2006-04-12 | 空気流量測定装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7661877B2 (ja) |
JP (1) | JP4569831B2 (ja) |
CN (1) | CN100535609C (ja) |
DE (1) | DE102007000215B4 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8235592B2 (en) * | 2009-10-07 | 2012-08-07 | Wika Alexander Wiegand Se & Co. Kg | Gauge on a pipe section |
DE102010002480A1 (de) * | 2010-03-01 | 2011-09-01 | Robert Bosch Gmbh | Vorrichtung zur Fixierung eines Temperatursensors |
EP2606318B1 (en) * | 2010-08-17 | 2017-03-22 | Sensirion AG | Flow sensor arrangement |
JP5542614B2 (ja) * | 2010-10-27 | 2014-07-09 | 日立オートモティブシステムズ株式会社 | 流量測定装置 |
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 |
CN102252780B (zh) * | 2011-04-29 | 2012-11-28 | 上海交通大学 | 电站锅炉炉膛烟气温度的测量装置及其测量方法 |
US8931338B2 (en) * | 2011-10-20 | 2015-01-13 | Honeywell International Inc. | Flow sensor with bypass taps in laminar flow element laminarizing channel |
CN102401807B (zh) * | 2011-11-09 | 2013-06-05 | 浙江大学 | 高热流密度受热试件传热试验系统 |
DE202011109511U1 (de) * | 2011-12-23 | 2012-02-02 | Bürkert Werke GmbH | Massendurchflussmess- oder -regelgerät |
WO2014011871A1 (en) * | 2012-07-11 | 2014-01-16 | Trane International Inc. | Methods and systems to measure fluid flow |
CN103575413B (zh) * | 2012-08-09 | 2016-06-01 | 金洋产业株式会社 | 船用内燃机活塞冷却油的热动式流量检测及温度测量系统 |
DE202013103404U1 (de) | 2012-10-19 | 2013-08-20 | Endress + Hauser Flowtec Ag | Temperatursensor und Thermisches Durchflussmessgerät |
US9534857B2 (en) | 2013-02-21 | 2017-01-03 | Pratt & Whitney Canada Corp. | Liquid cooling system with thermal valve deflector |
US9347899B2 (en) | 2013-12-06 | 2016-05-24 | Rolls-Royce Corporation | Thermographic inspection techniques |
CN106908621A (zh) * | 2015-12-23 | 2017-06-30 | 江苏迈拓智能仪表有限公司 | 一种通过感温发热元件测量管段流速的方法 |
EP3290883B1 (en) * | 2016-08-31 | 2019-08-14 | Ansaldo Energia Switzerland AG | Temperature probe |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0455516U (ja) * | 1990-09-19 | 1992-05-13 | ||
JP2005315724A (ja) * | 2004-04-28 | 2005-11-10 | Denso Corp | 空気流量測定装置 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5789673A (en) * | 1993-09-14 | 1998-08-04 | Hitachi, Ltd. | Thermal type air flow measuring instrument for internal combustion engine |
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 |
JP3527813B2 (ja) * | 1996-09-02 | 2004-05-17 | 株式会社日立製作所 | 発熱抵抗体式空気流量測定装置 |
JP3783896B2 (ja) | 1997-10-13 | 2006-06-07 | 株式会社デンソー | 空気流量測定装置 |
DE19942502A1 (de) * | 1999-09-07 | 2001-03-08 | Bosch Gmbh Robert | Vorrichtung zur Messung von zumindest einem Parameter eines in einer Leitung strömenden Mediums |
JP2002005713A (ja) * | 2000-04-17 | 2002-01-09 | Denso Corp | 空気流量測定装置 |
JP4608843B2 (ja) * | 2002-02-19 | 2011-01-12 | 株式会社デンソー | 流量測定装置 |
US6786089B2 (en) * | 2002-03-28 | 2004-09-07 | Denso Corporation | Airflow meter |
US6708561B2 (en) * | 2002-04-19 | 2004-03-23 | Visteon Global Technologies, Inc. | Fluid flow meter having an improved sampling channel |
JP3709385B2 (ja) * | 2002-07-01 | 2005-10-26 | 株式会社日立製作所 | 内燃機関用気体流量測定装置 |
JP4168417B2 (ja) * | 2002-11-18 | 2008-10-22 | 株式会社山武 | 流体検出装置 |
US6983653B2 (en) * | 2002-12-13 | 2006-01-10 | Denso Corporation | Flow sensor having thin film portion and method for manufacturing the same |
US6918295B1 (en) * | 2004-04-01 | 2005-07-19 | Mks Instruments, Inc. | Thermal mass flow rate sensor providing increased rate of heat transfer to gas |
JP4140553B2 (ja) * | 2004-04-28 | 2008-08-27 | 株式会社デンソー | 空気流量測定装置 |
JP4957081B2 (ja) * | 2005-09-15 | 2012-06-20 | 株式会社デンソー | 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 |
JP2007155533A (ja) * | 2005-12-06 | 2007-06-21 | Denso Corp | 空気流量測定装置 |
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 |
US8182143B2 (en) * | 2006-08-09 | 2012-05-22 | Spectrasensors, Inc. | Mobile temperature sensor |
-
2006
- 2006-04-12 JP JP2006109829A patent/JP4569831B2/ja active Active
-
2007
- 2007-03-28 US US11/727,814 patent/US7661877B2/en not_active Expired - Fee Related
- 2007-04-11 DE DE102007000215.9A patent/DE102007000215B4/de not_active Expired - Fee Related
- 2007-04-11 CN CNB2007100965245A patent/CN100535609C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0455516U (ja) * | 1990-09-19 | 1992-05-13 | ||
JP2005315724A (ja) * | 2004-04-28 | 2005-11-10 | Denso Corp | 空気流量測定装置 |
Also Published As
Publication number | Publication date |
---|---|
DE102007000215A1 (de) | 2007-10-18 |
US7661877B2 (en) | 2010-02-16 |
CN101055202A (zh) | 2007-10-17 |
US20070242725A1 (en) | 2007-10-18 |
CN100535609C (zh) | 2009-09-02 |
JP2007285715A (ja) | 2007-11-01 |
DE102007000215B4 (de) | 2015-11-12 |
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