GB2351563B - Air/fuel ratio control system - Google Patents

Air/fuel ratio control system

Info

Publication number
GB2351563B
GB2351563B GB0011155A GB0011155A GB2351563B GB 2351563 B GB2351563 B GB 2351563B GB 0011155 A GB0011155 A GB 0011155A GB 0011155 A GB0011155 A GB 0011155A GB 2351563 B GB2351563 B GB 2351563B
Authority
GB
United Kingdom
Prior art keywords
air
control system
fuel ratio
ratio control
fuel
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
Application number
GB0011155A
Other versions
GB2351563A (en
GB0011155D0 (en
Inventor
Donald J Lewis
John David Russell
Allan Joseph Kotwicki
Ross Dykstra Pursifull
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.)
Ford Motor Co
Original Assignee
Ford Motor Co
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
Priority claimed from US09/090,125 external-priority patent/US6138504A/en
Application filed by Ford Motor Co filed Critical Ford Motor Co
Publication of GB0011155D0 publication Critical patent/GB0011155D0/en
Publication of GB2351563A publication Critical patent/GB2351563A/en
Application granted granted Critical
Publication of GB2351563B publication Critical patent/GB2351563B/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
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0047—Controlling exhaust gas recirculation [EGR]
    • F02D41/0065—Specific aspects of external EGR control
    • F02D41/0072—Estimating, calculating or determining the EGR rate, amount or 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
    • G01F1/34—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 measuring pressure or differential pressure
    • 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
    • G01F1/34—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 measuring pressure or differential pressure
    • G01F1/36—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 measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/363—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 measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction with electrical or electro-mechanical indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
    • G01F9/001—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine with electric, electro-mechanic or electronic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F9/00—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine
    • G01F9/02—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine wherein the other variable is the speed of a vehicle
    • G01F9/023—Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine wherein the other variable is the speed of a vehicle with electric, electro-mechanic or electronic means
    • 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413—Controller structures or design
    • F02D2041/1432—Controller structures or design the system including a filter, e.g. a low pass or high pass filter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

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)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
GB0011155A 1998-06-04 1999-06-01 Air/fuel ratio control system Expired - Fee Related GB2351563B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/090,125 US6138504A (en) 1998-06-04 1998-06-04 Air/fuel ratio control system
GB9912595A GB2338070B (en) 1998-06-04 1999-06-01 Air/fuel ratio control system

Publications (3)

Publication Number Publication Date
GB0011155D0 GB0011155D0 (en) 2000-06-28
GB2351563A GB2351563A (en) 2001-01-03
GB2351563B true GB2351563B (en) 2001-06-27

Family

ID=27269736

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0011155A Expired - Fee Related GB2351563B (en) 1998-06-04 1999-06-01 Air/fuel ratio control system

Country Status (1)

Country Link
GB (1) GB2351563B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017209127A1 (en) * 2017-05-31 2018-12-06 Robert Bosch Gmbh Method for calculating a mass flow from a tank ventilation system into a suction pipe of an internal combustion engine
IT201800004431A1 (en) * 2018-04-12 2019-10-12 DEVICE AND METHOD OF CONTROL OF AN INTERNAL COMBUSTION ENGINE WITH COMMANDED IGNITION

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5677543A (en) * 1979-11-29 1981-06-25 Toyota Motor Corp Exhaust gas recirculation controller
US5390649A (en) * 1992-06-05 1995-02-21 Siemens Aktiengesellschaft Method for controlling an internal combustion engine operating with exhaust gas recirculation
US5613479A (en) * 1995-12-08 1997-03-25 Ford Motor Company Pressure feedback exhaust gas recirculation system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5677543A (en) * 1979-11-29 1981-06-25 Toyota Motor Corp Exhaust gas recirculation controller
US5390649A (en) * 1992-06-05 1995-02-21 Siemens Aktiengesellschaft Method for controlling an internal combustion engine operating with exhaust gas recirculation
US5613479A (en) * 1995-12-08 1997-03-25 Ford Motor Company Pressure feedback exhaust gas recirculation system

Also Published As

Publication number Publication date
GB2351563A (en) 2001-01-03
GB0011155D0 (en) 2000-06-28

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Legal Events

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

Effective date: 20030601

728V Application for restoration filed (sect. 28/1977)
7281 Application for restoration withdrawn (sect. 28/1977)