GB2285511B - Method for measuring air intake mass - Google Patents
Method for measuring air intake massInfo
- Publication number
- GB2285511B GB2285511B GB9425283A GB9425283A GB2285511B GB 2285511 B GB2285511 B GB 2285511B GB 9425283 A GB9425283 A GB 9425283A GB 9425283 A GB9425283 A GB 9425283A GB 2285511 B GB2285511 B GB 2285511B
- Authority
- GB
- United Kingdom
- Prior art keywords
- air intake
- measuring air
- intake mass
- mass
- measuring
- 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
-
- 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
- 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
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4342481A DE4342481C2 (en) | 1993-12-13 | 1993-12-13 | Method of measuring the intake air mass |
Publications (4)
Publication Number | Publication Date |
---|---|
GB9425283D0 GB9425283D0 (en) | 1995-02-08 |
GB2285511A GB2285511A (en) | 1995-07-12 |
GB2285511A8 GB2285511A8 (en) | 1997-06-02 |
GB2285511B true GB2285511B (en) | 1998-01-21 |
Family
ID=6504886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9425283A Expired - Fee Related GB2285511B (en) | 1993-12-13 | 1994-12-13 | Method for measuring air intake mass |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPH07209054A (en) |
KR (1) | KR950019644A (en) |
CN (1) | CN1113005A (en) |
DE (1) | DE4342481C2 (en) |
FR (1) | FR2713765B1 (en) |
GB (1) | GB2285511B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3981907B2 (en) | 1998-10-21 | 2007-09-26 | 株式会社デンソー | Flow measuring device |
DE10056064B4 (en) * | 2000-11-11 | 2005-09-08 | Honeywell B.V. | Method for controlling a gas burner |
JP4474771B2 (en) | 2000-12-20 | 2010-06-09 | 株式会社デンソー | Flow measuring device |
DE10218117B4 (en) * | 2002-04-23 | 2006-01-26 | Siemens Ag | Method for determining an air mass flow |
JP3802443B2 (en) * | 2002-05-02 | 2006-07-26 | 株式会社山武 | Flow rate sensor |
DE10234492B4 (en) * | 2002-07-29 | 2005-12-08 | Siemens Ag | Method for determining an air mass flow |
JP4355792B2 (en) * | 2002-08-29 | 2009-11-04 | 東京瓦斯株式会社 | Thermal flow meter |
JP4558647B2 (en) * | 2003-11-20 | 2010-10-06 | 日立オートモティブシステムズ株式会社 | Thermal fluid flow meter |
AT503955B1 (en) * | 2006-12-21 | 2008-02-15 | Vaillant Austria Gmbh | Sensor measuring mass flowrate of gas or air supplied to heating equipment, includes switched series resistors in drift-sensitive circuit assessing measurement plausibility |
CN117824771B (en) * | 2024-03-06 | 2024-06-04 | 成都睿宝电子科技有限公司 | Automatic temperature compensation circuit and compensation method for thermal flowmeter |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2105850A (en) * | 1981-09-10 | 1983-03-30 | Bosch Gmbh Robert | Measurement of the mass of a flowing medium |
EP0184011A1 (en) * | 1984-12-05 | 1986-06-11 | Robert Bosch Gmbh | Air flow meter |
EP0235360A1 (en) * | 1986-03-03 | 1987-09-09 | VDO Adolf Schindling AG | Measuring probe |
EP0269781A1 (en) * | 1986-11-04 | 1988-06-08 | VDO Adolf Schindling AG | Device for determining mass flow and the flow direction |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3515206A1 (en) * | 1984-04-26 | 1985-10-31 | Nippon Soken, Inc., Nishio, Aichi | DIRECTLY HEATED GAS FLOW MEASURING DEVICE |
-
1993
- 1993-12-13 DE DE4342481A patent/DE4342481C2/en not_active Expired - Lifetime
-
1994
- 1994-12-02 FR FR9414518A patent/FR2713765B1/en not_active Expired - Fee Related
- 1994-12-13 CN CN94120786A patent/CN1113005A/en active Pending
- 1994-12-13 GB GB9425283A patent/GB2285511B/en not_active Expired - Fee Related
- 1994-12-13 KR KR1019940033846A patent/KR950019644A/en not_active Application Discontinuation
- 1994-12-13 JP JP6332249A patent/JPH07209054A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2105850A (en) * | 1981-09-10 | 1983-03-30 | Bosch Gmbh Robert | Measurement of the mass of a flowing medium |
EP0184011A1 (en) * | 1984-12-05 | 1986-06-11 | Robert Bosch Gmbh | Air flow meter |
EP0235360A1 (en) * | 1986-03-03 | 1987-09-09 | VDO Adolf Schindling AG | Measuring probe |
US4831876A (en) * | 1986-03-03 | 1989-05-23 | Vdo Adolf Schindling Ag | Measurement probe |
EP0269781A1 (en) * | 1986-11-04 | 1988-06-08 | VDO Adolf Schindling AG | Device for determining mass flow and the flow direction |
Also Published As
Publication number | Publication date |
---|---|
FR2713765A1 (en) | 1995-06-16 |
DE4342481A1 (en) | 1995-06-14 |
FR2713765B1 (en) | 1996-12-27 |
GB2285511A (en) | 1995-07-12 |
JPH07209054A (en) | 1995-08-11 |
GB9425283D0 (en) | 1995-02-08 |
GB2285511A8 (en) | 1997-06-02 |
KR950019644A (en) | 1995-07-24 |
DE4342481C2 (en) | 1996-09-05 |
CN1113005A (en) | 1995-12-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20001213 |