DE69118324D1 - Luftdurchflussmesser - Google Patents
LuftdurchflussmesserInfo
- Publication number
- DE69118324D1 DE69118324D1 DE69118324T DE69118324T DE69118324D1 DE 69118324 D1 DE69118324 D1 DE 69118324D1 DE 69118324 T DE69118324 T DE 69118324T DE 69118324 T DE69118324 T DE 69118324T DE 69118324 D1 DE69118324 D1 DE 69118324D1
- Authority
- DE
- Germany
- Prior art keywords
- air flow
- flow meter
- meter
- air
- flow
- 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
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
-
- 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
- G01F1/05—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 mechanical effects
- G01F1/20—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 mechanical effects by detection of dynamic effects of the flow
- G01F1/28—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 mechanical effects by detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
-
- 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
- G01F5/00—Measuring a proportion of the volume flow
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2316892A JP2856542B2 (ja) | 1990-11-21 | 1990-11-21 | 熱線式空気流量計 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69118324D1 true DE69118324D1 (de) | 1996-05-02 |
DE69118324T2 DE69118324T2 (de) | 1996-11-21 |
Family
ID=18082077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69118324T Expired - Fee Related DE69118324T2 (de) | 1990-11-21 | 1991-11-21 | Luftdurchflussmesser |
Country Status (5)
Country | Link |
---|---|
US (1) | US5325712A (de) |
EP (1) | EP0487346B1 (de) |
JP (1) | JP2856542B2 (de) |
KR (1) | KR100226618B1 (de) |
DE (1) | DE69118324T2 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
JP3260552B2 (ja) * | 1994-05-30 | 2002-02-25 | 株式会社日立製作所 | 発熱抵抗式空気流量測定装置 |
JPH07190821A (ja) * | 1993-12-24 | 1995-07-28 | Nippondenso Co Ltd | 流量計 |
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 |
DE19517676B4 (de) * | 1995-05-13 | 2008-01-31 | Robert Bosch Gmbh | Drucksensor für eine Brennkraftmaschine mit einem Ansaugrohr |
JPH11264332A (ja) * | 1997-12-17 | 1999-09-28 | Hitachi Ltd | 電制スロットルボディ一体型空気流量測定装置 |
EP1195511A1 (de) * | 1999-06-15 | 2002-04-10 | Hitachi, Ltd. | Luftmengenmessvorrictung, die mit einer elektronisch gesteuerten drosselklappe eine einheit formt |
WO2002066936A1 (fr) * | 2001-02-21 | 2002-08-29 | Hitachi, Ltd. | Debitmetre a dispositif de chauffage de resistance |
US6886401B2 (en) | 2003-02-26 | 2005-05-03 | Ckd Corporation | Thermal flow sensor having sensor and bypass passages |
US6868741B2 (en) * | 2003-03-05 | 2005-03-22 | Veris, Inc. | Device and method enabling fluid characteristic measurement utilizing fluid acceleration |
DE102004035893B4 (de) * | 2004-07-23 | 2013-03-14 | Robert Bosch Gmbh | Vorrichtung zur Bestimmung wenigstens eines Parameters eines in einer Leitung strömenden Mediums |
US8360199B2 (en) | 2006-05-30 | 2013-01-29 | Mann + Hummel Gmbh | Integrated mass air flow sensor and broadband silencer |
JP5904959B2 (ja) * | 2013-03-08 | 2016-04-20 | 日立オートモティブシステムズ株式会社 | 熱式空気流量計 |
JP6183287B2 (ja) * | 2014-04-28 | 2017-08-23 | 株式会社デンソー | 樹脂製中空体の製造方法および流量測定装置 |
JP6142840B2 (ja) * | 2014-04-28 | 2017-06-07 | 株式会社デンソー | 空気流量測定装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2859617A (en) * | 1954-10-22 | 1958-11-11 | Northrop Aircraft Inc | Thermal flowmeter |
JPS5676012A (en) * | 1979-11-27 | 1981-06-23 | Hitachi Ltd | Measuring device of suction air quantity |
JPS6053813A (ja) * | 1983-09-02 | 1985-03-27 | Nippon Denso Co Ltd | 熱式空気流量検出装置 |
US4870857A (en) * | 1986-07-28 | 1989-10-03 | Airsensors, Inc. | Throttle body with internally mounted anemometer |
KR950009044B1 (ko) * | 1987-06-17 | 1995-08-14 | 가부시키가이샤 히타치세이사쿠쇼 | 발열저항식 공기유량측정장치 |
DE3855552T2 (de) * | 1987-10-23 | 1997-02-20 | Hitachi Ltd | Heissdraht-Luftdurchflussmesser und dessen Verwendung in einer Brennkraftmaschine |
-
1990
- 1990-11-21 JP JP2316892A patent/JP2856542B2/ja not_active Expired - Fee Related
-
1991
- 1991-11-21 KR KR1019910020805A patent/KR100226618B1/ko not_active IP Right Cessation
- 1991-11-21 DE DE69118324T patent/DE69118324T2/de not_active Expired - Fee Related
- 1991-11-21 EP EP91310753A patent/EP0487346B1/de not_active Expired - Lifetime
-
1993
- 1993-10-21 US US08/140,813 patent/US5325712A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0487346A2 (de) | 1992-05-27 |
EP0487346A3 (en) | 1993-12-08 |
DE69118324T2 (de) | 1996-11-21 |
KR920010266A (ko) | 1992-06-26 |
US5325712A (en) | 1994-07-05 |
JP2856542B2 (ja) | 1999-02-10 |
KR100226618B1 (ko) | 1999-10-15 |
EP0487346B1 (de) | 1996-03-27 |
JPH04186123A (ja) | 1992-07-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |