JPH07209054A - 吸入空気量を測定する方法 - Google Patents
吸入空気量を測定する方法Info
- Publication number
- JPH07209054A JPH07209054A JP6332249A JP33224994A JPH07209054A JP H07209054 A JPH07209054 A JP H07209054A JP 6332249 A JP6332249 A JP 6332249A JP 33224994 A JP33224994 A JP 33224994A JP H07209054 A JPH07209054 A JP H07209054A
- Authority
- JP
- Japan
- Prior art keywords
- additional heating
- heating element
- sensor
- additional
- temperature
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- 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
-
- 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
- G01F1/696—Circuits therefor, e.g. constant-current flow meters
- G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters
- G01F1/699—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters by control of a separate heating or cooling element
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)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4342481A DE4342481C2 (de) | 1993-12-13 | 1993-12-13 | Verfahren zum Messen der angesaugten Luftmasse |
DE4342481.3 | 1993-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH07209054A true JPH07209054A (ja) | 1995-08-11 |
Family
ID=6504886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6332249A Withdrawn JPH07209054A (ja) | 1993-12-13 | 1994-12-13 | 吸入空気量を測定する方法 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPH07209054A (fr) |
KR (1) | KR950019644A (fr) |
CN (1) | CN1113005A (fr) |
DE (1) | DE4342481C2 (fr) |
FR (1) | FR2713765B1 (fr) |
GB (1) | GB2285511B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6629456B2 (en) | 2000-12-20 | 2003-10-07 | Denso Corporation | Thermal flowmeter for detecting rate and direction of fluid flow |
US6862930B1 (en) | 1998-10-21 | 2005-03-08 | Denso Corporation | Fluid flow amount measuring apparatus responsive to fluid flow in forward and reverse directions |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10056064B4 (de) * | 2000-11-11 | 2005-09-08 | Honeywell B.V. | Verfahren zum Regeln eines Gasbrenners |
DE10218117B4 (de) * | 2002-04-23 | 2006-01-26 | Siemens Ag | Verfahren zur Ermittlung eines Luftmassenstroms |
JP3802443B2 (ja) * | 2002-05-02 | 2006-07-26 | 株式会社山武 | 流速センサ |
DE10234492B4 (de) * | 2002-07-29 | 2005-12-08 | Siemens Ag | Verfahren zur Ermittlung eines Luftmassenstroms |
JP4355792B2 (ja) * | 2002-08-29 | 2009-11-04 | 東京瓦斯株式会社 | 熱式流量計 |
CN100408981C (zh) * | 2003-11-20 | 2008-08-06 | 株式会社日立制作所 | 热式流体流量计 |
AT503955B1 (de) * | 2006-12-21 | 2008-02-15 | Vaillant Austria Gmbh | Strömungssensor und verfahren zur überprüfung und zum betrieb eines solchen strömungssensors |
CN117824771B (zh) * | 2024-03-06 | 2024-06-04 | 成都睿宝电子科技有限公司 | 一种用于热式流量计的自动温度补偿电路及补偿方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3135793A1 (de) * | 1981-09-10 | 1983-03-24 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren und vorrichtung zur messung der masse eines in einem stroemungsquerschnitt stroemenden pulsierenden mediums |
DE3515206A1 (de) * | 1984-04-26 | 1985-10-31 | Nippon Soken, Inc., Nishio, Aichi | Direkt-beheizte gasstroemungs-messvorrichtung |
DE3444347A1 (de) * | 1984-12-05 | 1986-06-12 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zur luftmengenmessung |
DE3606853A1 (de) * | 1986-03-03 | 1987-09-10 | Vdo Schindling | Messsonde |
DE3637541A1 (de) * | 1986-11-04 | 1988-05-05 | Vdo Schindling | Vorrichtung zur bestimmung des massenstromes und der durchflussrichtung |
-
1993
- 1993-12-13 DE DE4342481A patent/DE4342481C2/de not_active Expired - Lifetime
-
1994
- 1994-12-02 FR FR9414518A patent/FR2713765B1/fr not_active Expired - Fee Related
- 1994-12-13 CN CN94120786A patent/CN1113005A/zh active Pending
- 1994-12-13 GB GB9425283A patent/GB2285511B/en not_active Expired - Fee Related
- 1994-12-13 JP JP6332249A patent/JPH07209054A/ja not_active Withdrawn
- 1994-12-13 KR KR1019940033846A patent/KR950019644A/ko not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6862930B1 (en) | 1998-10-21 | 2005-03-08 | Denso Corporation | Fluid flow amount measuring apparatus responsive to fluid flow in forward and reverse directions |
US6629456B2 (en) | 2000-12-20 | 2003-10-07 | Denso Corporation | Thermal flowmeter for detecting rate and direction of fluid flow |
Also Published As
Publication number | Publication date |
---|---|
GB9425283D0 (en) | 1995-02-08 |
DE4342481A1 (de) | 1995-06-14 |
DE4342481C2 (de) | 1996-09-05 |
GB2285511A8 (en) | 1997-06-02 |
CN1113005A (zh) | 1995-12-06 |
KR950019644A (ko) | 1995-07-24 |
FR2713765B1 (fr) | 1996-12-27 |
GB2285511B (en) | 1998-01-21 |
GB2285511A (en) | 1995-07-12 |
FR2713765A1 (fr) | 1995-06-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A300 | Application deemed to be withdrawn because no request for examination was validly filed |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20020305 |