GB9425283D0 - Method and device for measuring intake air mass - Google Patents

Method and device for measuring intake air mass

Info

Publication number
GB9425283D0
GB9425283D0 GBGB9425283.0A GB9425283A GB9425283D0 GB 9425283 D0 GB9425283 D0 GB 9425283D0 GB 9425283 A GB9425283 A GB 9425283A GB 9425283 D0 GB9425283 D0 GB 9425283D0
Authority
GB
United Kingdom
Prior art keywords
intake air
air mass
measuring intake
measuring
mass
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.)
Granted
Application number
GBGB9425283.0A
Other versions
GB2285511B (en
GB2285511A8 (en
GB2285511A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of GB9425283D0 publication Critical patent/GB9425283D0/en
Publication of GB2285511A publication Critical patent/GB2285511A/en
Publication of GB2285511A8 publication Critical patent/GB2285511A8/en
Application granted granted Critical
Publication of GB2285511B publication Critical patent/GB2285511B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
GB9425283A 1993-12-13 1994-12-13 Method for measuring air intake mass Expired - Fee Related GB2285511B (en)

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 true GB9425283D0 (en) 1995-02-08
GB2285511A GB2285511A (en) 1995-07-12
GB2285511A8 GB2285511A8 (en) 1997-06-02
GB2285511B 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)

* Cited by examiner, † Cited by third party
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
CN100408981C (en) * 2003-11-20 2008-08-06 株式会社日立制作所 Thermal flowmeter of fluid
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135793A1 (en) * 1981-09-10 1983-03-24 Robert Bosch Gmbh, 7000 Stuttgart METHOD AND DEVICE FOR MEASURING THE MEASUREMENT OF A PULSATING MEDIUM FLOWING IN A FLOW SECTION
DE3515206A1 (en) * 1984-04-26 1985-10-31 Nippon Soken, Inc., Nishio, Aichi DIRECTLY HEATED GAS FLOW MEASURING DEVICE
DE3444347A1 (en) * 1984-12-05 1986-06-12 Robert Bosch Gmbh, 7000 Stuttgart DEVICE FOR AIR QUANTITY MEASUREMENT
DE3606853A1 (en) * 1986-03-03 1987-09-10 Vdo Schindling MEASURING PROBE
DE3637541A1 (en) * 1986-11-04 1988-05-05 Vdo Schindling DEVICE FOR DETERMINING THE MASS CURRENT AND THE FLOW DIRECTION

Also Published As

Publication number Publication date
DE4342481A1 (en) 1995-06-14
KR950019644A (en) 1995-07-24
GB2285511B (en) 1998-01-21
GB2285511A8 (en) 1997-06-02
JPH07209054A (en) 1995-08-11
GB2285511A (en) 1995-07-12
FR2713765B1 (en) 1996-12-27
DE4342481C2 (en) 1996-09-05
CN1113005A (en) 1995-12-06
FR2713765A1 (en) 1995-06-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20001213