GB2453159B - Estimating mass air flow rates for multiple intake internal combustion engines - Google Patents

Estimating mass air flow rates for multiple intake internal combustion engines

Info

Publication number
GB2453159B
GB2453159B GB0718924.4A GB0718924A GB2453159B GB 2453159 B GB2453159 B GB 2453159B GB 0718924 A GB0718924 A GB 0718924A GB 2453159 B GB2453159 B GB 2453159B
Authority
GB
United Kingdom
Prior art keywords
internal combustion
air flow
flow rates
combustion engines
mass air
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.)
Active
Application number
GB0718924.4A
Other versions
GB2453159A (en
GB0718924D0 (en
Inventor
Harjit Singh Rai
Ian Frank Kuriger
Richard Leonard Chant
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.)
Jaguar Land Rover Ltd
Ford Global Technologies LLC
Original Assignee
Jaguar Cars Ltd
Ford Global Technologies LLC
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 Jaguar Cars Ltd, Ford Global Technologies LLC filed Critical Jaguar Cars Ltd
Publication of GB0718924D0 publication Critical patent/GB0718924D0/en
Publication of GB2453159A publication Critical patent/GB2453159A/en
Application granted granted Critical
Publication of GB2453159B publication Critical patent/GB2453159B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation
    • G01D3/022—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation having an ideal characteristic, map or correction data stored in a digital memory
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/08—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
    • 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
    • G01F1/6965—Circuits therefor, e.g. constant-current flow meters comprising means to store calibration data for flow signal calculation or correction
    • 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
    • G01F1/72—Devices for measuring pulsing fluid flows
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/028—Compensating or correcting for variations in pressure, density or temperature for low flow rates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
    • G01F15/043—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/02—Compensating or correcting for variations in pressure, density or temperature
    • G01F15/04—Compensating or correcting for variations in pressure, density or temperature of gases to be measured
    • G01F15/043—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means
    • G01F15/046—Compensating or correcting for variations in pressure, density or temperature of gases to be measured using electrical means involving digital counting
    • G01F25/0053—
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
    • G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
    • G01F25/15—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters specially adapted for gas meters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0203—Variable control of intake and exhaust valves
    • F02D13/0215—Variable control of intake and exhaust valves changing the valve timing only
    • 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
    • F02D41/0002—Controlling intake air
    • F02D2041/001—Controlling intake air for engines with variable valve actuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/04—Engine intake system parameters
    • F02D2200/0402—Engine intake system parameters the parameter being determined by using a model of the engine intake or its components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
    • F02D2400/08—Redundant elements, e.g. two sensors for measuring the same parameter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Technology Law (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
GB0718924.4A 2006-10-03 2007-09-28 Estimating mass air flow rates for multiple intake internal combustion engines Active GB2453159B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0619434.4A GB0619434D0 (en) 2006-10-03 2006-10-03 Multiple intake internal combustion engines

Publications (3)

Publication Number Publication Date
GB0718924D0 GB0718924D0 (en) 2007-11-07
GB2453159A GB2453159A (en) 2009-04-01
GB2453159B true GB2453159B (en) 2012-04-25

Family

ID=37435087

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0619434.4A Ceased GB0619434D0 (en) 2006-10-03 2006-10-03 Multiple intake internal combustion engines
GB0718924.4A Active GB2453159B (en) 2006-10-03 2007-09-28 Estimating mass air flow rates for multiple intake internal combustion engines

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0619434.4A Ceased GB0619434D0 (en) 2006-10-03 2006-10-03 Multiple intake internal combustion engines

Country Status (1)

Country Link
GB (2) GB0619434D0 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3133514A1 (en) * 1981-08-25 1983-03-17 Interton-Electronic GmbH, 5000 Köln Consumption measuring device for motor vehicles
DE3516303A1 (en) * 1985-05-07 1986-11-13 Robert Bosch Gmbh, 7000 Stuttgart Method for transforming the signal characteristic of a sensor signal
EP0628715A2 (en) * 1993-04-08 1994-12-14 Hitachi, Ltd. Engine control equipment and its air meter
EP0924495A2 (en) * 1997-12-19 1999-06-23 Hitachi, Ltd. Air flow measurement apparatus
JP2005002932A (en) * 2003-06-13 2005-01-06 Toyota Motor Corp Control system of internal combustion engine
EP1783348A1 (en) * 2004-07-07 2007-05-09 HONDA MOTOR CO., Ltd. Device, method, and program for estimating intake air amount

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3133514A1 (en) * 1981-08-25 1983-03-17 Interton-Electronic GmbH, 5000 Köln Consumption measuring device for motor vehicles
DE3516303A1 (en) * 1985-05-07 1986-11-13 Robert Bosch Gmbh, 7000 Stuttgart Method for transforming the signal characteristic of a sensor signal
EP0628715A2 (en) * 1993-04-08 1994-12-14 Hitachi, Ltd. Engine control equipment and its air meter
EP0924495A2 (en) * 1997-12-19 1999-06-23 Hitachi, Ltd. Air flow measurement apparatus
JP2005002932A (en) * 2003-06-13 2005-01-06 Toyota Motor Corp Control system of internal combustion engine
EP1783348A1 (en) * 2004-07-07 2007-05-09 HONDA MOTOR CO., Ltd. Device, method, and program for estimating intake air amount

Also Published As

Publication number Publication date
GB2453159A (en) 2009-04-01
GB0718924D0 (en) 2007-11-07
GB0619434D0 (en) 2006-11-08

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application