KR950019135A - 내연기관의 제어장치 및 방법 - Google Patents

내연기관의 제어장치 및 방법 Download PDF

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Publication number
KR950019135A
KR950019135A KR1019940036167A KR19940036167A KR950019135A KR 950019135 A KR950019135 A KR 950019135A KR 1019940036167 A KR1019940036167 A KR 1019940036167A KR 19940036167 A KR19940036167 A KR 19940036167A KR 950019135 A KR950019135 A KR 950019135A
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South Korea
Prior art keywords
fuel
internal combustion
combustion engine
control means
amount
Prior art date
Application number
KR1019940036167A
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English (en)
Other versions
KR100377645B1 (ko
Inventor
마모루 후지에다
도시하루 노기
요시시게 오오야마
미노루 오오스가
다꾸야 시라이시
Original Assignee
가나이 쯔도무
가부시끼 가이샤 히다찌 세이사꾸쇼
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Priority claimed from JP33489593A external-priority patent/JP4075080B2/ja
Priority claimed from JP33492893A external-priority patent/JP3635670B2/ja
Application filed by 가나이 쯔도무, 가부시끼 가이샤 히다찌 세이사꾸쇼 filed Critical 가나이 쯔도무
Publication of KR950019135A publication Critical patent/KR950019135A/ko
Application granted granted Critical
Publication of KR100377645B1 publication Critical patent/KR100377645B1/ko

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
    • 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
    • F02D13/0223—Variable control of the intake valves only
    • F02D13/0226—Variable control of the intake valves only changing valve lift or valve lift and timing
    • F02D13/023—Variable control of the intake valves only changing valve lift or valve lift and timing the change of valve timing is caused by the change in valve lift, i.e. both valve lift and timing are functionally related
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • F01L1/267—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder with means for varying the timing or the lift of the valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
    • F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
    • F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B17/00—Engines characterised by means for effecting stratification of charge in cylinders
    • F02B17/005—Engines characterised by means for effecting stratification of charge in cylinders having direct injection in the combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/12—Engines characterised by precombustion chambers with positive ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F02B23/101—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the injector being placed on or close to the cylinder centre axis, e.g. with mixture formation using spray guided concepts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • F02D11/105—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the function converting demand to actuation, e.g. a map indicating relations between an accelerator pedal position and throttle valve opening or target engine torque
    • 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
    • F02D13/0261—Controlling the valve overlap
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D33/00—Controlling delivery of fuel or combustion-air, not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D37/00—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
    • F02D37/02—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition
    • 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
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0215—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission
    • F02D41/0225—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission in relation with the gear ratio or shift lever position
    • 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
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • F02D41/0215—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission
    • F02D41/023—Introducing corrections for particular conditions exterior to the engine in relation with elements of the transmission in relation with the gear ratio shifting
    • 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
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1473—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the regulation method
    • F02D41/1475—Regulating the air fuel ratio at a value other than stoichiometry
    • 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
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
    • F02D41/1488—Inhibiting the regulation
    • F02D41/149—Replacing of the control value by an other parameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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
    • F02D41/1497—With detection of the mechanical response of the engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
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    • F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
    • F02D41/3017—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
    • F02D41/3023—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the stratified charge spark-ignited mode
    • F02D41/3029—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the stratified charge spark-ignited mode further comprising a homogeneous charge spark-ignited mode
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    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
    • F02D41/3064—Controlling fuel injection according to or using specific or several modes of combustion with special control during transition between modes
    • F02D41/307—Controlling fuel injection according to or using specific or several modes of combustion with special control during transition between modes to avoid torque shocks
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    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/3082—Control of electrical fuel pumps
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    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/32—Controlling fuel injection of the low pressure type
    • F02D41/34—Controlling fuel injection of the low pressure type with means for controlling injection timing or duration
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    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
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    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/3809—Common rail control systems
    • F02D41/3836—Controlling the fuel pressure
    • F02D41/3845—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
    • 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
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/042—Positioning of injectors with respect to engine, e.g. in the air intake conduit
    • F02M69/045—Positioning of injectors with respect to engine, e.g. in the air intake conduit for injecting into the combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2201/00—Electronic control systems; Apparatus or methods therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2800/00—Methods of operation using a variable valve timing mechanism
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    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F02B2023/102—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder the spark plug being placed offset the cylinder centre axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    • F02B23/00—Other engines characterised by special shape or construction of combustion chambers to improve operation
    • F02B23/08—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition
    • F02B23/10—Other engines characterised by special shape or construction of combustion chambers to improve operation with positive ignition with separate admission of air and fuel into cylinder
    • F02B2023/108—Swirl flow, i.e. the axis of rotation of the main charge flow motion is vertical
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    • F02B75/00—Other engines
    • F02B75/12—Other methods of operation
    • F02B2075/125—Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
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    • F02D—CONTROLLING COMBUSTION ENGINES
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    • F02D41/30—Controlling fuel injection
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    • F02D2041/389—Controlling fuel injection of the high pressure type for injecting directly into the cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/06—Fuel or fuel supply system parameters
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    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1446—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being exhaust temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
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    • F02D41/02—Circuit arrangements for generating control signals
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F02M2026/001—Arrangements; Control features; Details
    • F02M2026/002—EGR valve being controlled by vacuum or overpressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M2026/001—Arrangements; Control features; Details
    • F02M2026/003—EGR valve controlled by air measuring device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/55—Systems for actuating EGR valves using vacuum actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/55—Systems for actuating EGR valves using vacuum actuators
    • F02M26/56—Systems for actuating EGR valves using vacuum actuators having pressure modulation valves
    • F02M26/57—Systems for actuating EGR valves using vacuum actuators having pressure modulation valves using electronic means, e.g. electromagnetic valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0213—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
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    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
    • F16H63/50—Signals to an engine or motor
    • F16H63/502—Signals to an engine or motor for smoothing gear shifts
    • 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
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    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies
    • 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

Abstract

(목적) 부분부하에서는 충상연소에 의하여 펌프손실을 없애고 연비를 높여 최대출력시는 예비혼합연소에 의하여 출력을 크게 한다.
(구성) 부분부하시에는 연료분사밸브(13)의 근방에 점화원(14)을 설치하고, 연료를 분사한 후에 혼합기에 점화히여 생긴 불꽃을 연료의 분무로 실린더내에 확산하고, 충상 연소시킨다. 한편, 부하가 커져 충상연소로 매연등의 발생할 경우는 연료분사를 복수회로 하고 전반의 분사로 실린더내에 예비혼합기를 만들고, 이 예비혼합기를 후반의 분사로 만든 불꽃을 기통내에 분사하고, 예비혼합기를 단시간에 연소한다.
(효과) 본 발명에 의하여 연소시간이 단축하 노크를 방지할 수 있고, 엔진의 압축비가 높아져 열효율이 상승하여 연비가 높아진다. 층상 흡기에 의하여 미연탄화수소의 발생을 방지할 수 있다. 기통연료 분사에 의하여 연료의 응답성이 높아져 운전성이 향상한다.

Description

내연기관의 제어장치 및 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제7도는 연료압력의 제어장치의 블록도.

Claims (29)

  1. 연료를 불꽃 점화기관의 연소실에 직접 분사하는 연료분사 수단과; 상기 연소실내의 혼합기에 점화하는 점화수단과; 상기 불꽃 점화관의 출력토크를 검출하는 토크검출수단과; 상기 연소실에 흡입공기를 도입하는 밸브수단과; 상기 연로분사수단으로부터 분사되는 연로의 연료량과 분사시기를 제어하는 연료제어수단과; 상기 점화수단의 점화시기를 제어하는 점화시기의 제어수단과; 상기 연소실에의 흡입 공기량을 제어하는 흡입공기량 제어수단으로 이루어지는 불꽃점화 내연기관의 제어장치에 있어서, 상기 토크검출수단이 검출한 출력토크의 값이 미리 결정된 값에 근접하도록 상기 연료제어수단은 연료량을 변화시키고, 상기 흡입공기량 제어 수단은 흡입공기량을 변화시켜 공연비를 변화시키고, 상기 연료분사수단의 근방에 상기 점화수단을 설치하고, 부분부하시에는 연료를 분사한 후에 혼합기로 점화하여 생긴 불꽃을 연료 분무로 실린더내에 확산하여 연소시키고, 부하가 커져 접상연소에서 매연등이 발생하는 경우는 연료분사를 복수회로 나누어, 전반의분사로 실린더내에 예비혼합기를 만들고, 이 예비 혼합기를 후반의 분사로 만든 불꽃을 기통내로 분사하여 예비혼합기를 연소시키는 것을 특징으로 하는 불꽃점화 내연기관의 제어장치.
  2. 제1항에 있어서, 상기 흡입공기량 제어수단은 흡입공기량을 일정하게 하고, 상기 연료 제어수단은 연료량을 변화시켜 공연비를 변화시키는 것을 특징으로 하는 불꽃점화 내연기관의 제어장치.
  3. 제1항에 있어서, 상기 흡입공기량 제어수단은 흡입공기량을 스텝상으로 변화시키고, 상기 연료제어수단은 연료량을 변화시켜 공연비를 변화시키는 것을 특징으로 하는 불꽃점화 내연기관의 제어장치.
  4. 제1항에 있어서, 상기 흡입공기량 제어수단은 흡입공기량을 결정된 함수에 따라 변화시키고, 상기 연료제어수단은 연료량을 변화시켜 공연비를 변화시키는 것을 특징으로 하는 불꽃점화 내연기관의 제어장치.
  5. 연료분사수단은 연료를 불꽃점화기관의 연소실에 직접 분사하고, 점화수단은 상기 연소실내의 혼합기에 점화하고; 토크검출수단은 상기 불꽃점화기관의 출력토크를 검출하고; 밸브수단은 상기 연소실 흡입공기를 도이하고; 연료제어수단은, 상기 연료분사수단으로부터 연료의 연료량과 분사시기를 제어하고; 점화시기 제어수단은 상기 점화수단의 점화시기를 제어하고; 흡입공기량 제어수단은 상기 연소실에 흡입공기량을 제어하는 불꽃점화 내연기관의 제어방법에 있어서, 상기 토크검출수단이 검출한 출력토크의 값이 미리 결정된 값에 근접하도록 상기 연료제어수단은 연료량을 변화시키고, 상기 흡입 공기량 제어수단은 흡입공기량을 변화시켜 공연비를 변화시키고, 상기 연료분사수단의 근방에 상기 점화수단을 설치하고, 부분부하시에는 연료를 분사한 후에 혼합기에 점화하여 생긴 불꽃을 연료의 분무로 실린더내에 확산하여 연소시키고, 부하가 분무로 실린더내에 확산하여 연소시키고, 부하가 커져 충상연소로 매연등이 발생하는 경우는, 연료분사를 복수회로 나누어, 전반의 분사로 실린더내에 예비혼합기를 만들고, 이 예비혼합기를 후반의 분사로 만든 불꽃을 기통내에 분사하여 예비혼합기를 연소시키는 것을 특징으로 하는 불꽃점화 내연기관의 제어방법.
  6. 제5항에 있어서, 상기 흡입공기량 제어수단은 흡입공기량을 일정하게 하고, 상기 연료제어수단은 연료량을 변화시켜 공연비를 변화시키는 것을 특징으로 하는 불꽃점화 내연기관의 제어방법.
  7. 제5항에 있어서, 상기 흡입공기량 제어수단은 흡입공기량을 스텝상으로 변화시키고, 상기 연료제어 수단은 연료량을 변화시켜 공연비를 변화시키는 것을 특징으로 하는 불꽃점화 내연기관의 제어방법.
  8. 제5항에 있어서, 상기 흡입공기량 제어수단은 흡입공기량을 결정된 함수에 따라 변화시키고, 상기 연료제어수단은 연료량을 변화시켜 공연비를 변화시키는 것을 특징으로 하는 불꽃점화 내연기관의 제어방법.
  9. 내연기관의 연소실에 연료를 분사하는 개구부를 구비한 연료분사수단과, 기통내의 공기량을 제어하는 공기량제어수단과, 변속기를 구비한 시스템에 있어서, 구동토크를 연료분사량과 공기량 및 변속기의 기어단중, 적어도 어느 하나로 제어하는 구동토크 제어수단을 구비한 것을 특징으로 하는 내연기관의 제어장치.
  10. 제9항에 있어서, 상기 구동토크 제어수단은 엔진토크가 미리 결정된 값보다 작을 때에는 공연비를 거의 일정하게 하여 드로틀밸브를 제어하고, 토크가 미리 결정된 상기 값보다 클 때에는 공연비를 변화시키도록 제어하는 것을 특징으로 하는 내연기관의 제어장치.
  11. 제9항에 있어서, 상기 구동토크 제어수단은 변속시에 구동토크의 변동이 없도록 연료량을 제어하는 것을 특징으로 하는 내연기관의 제어장치.
  12. 제9항에 있어서, 상기 구동토크 제어수단은 변속시에 공연비를 변환하고, 그때 토크의 변동이 없도록 변속기의 기어비를 선택하는 것을 특징으로 하는 내연기관의 제어장치.
  13. 제9항에 있어서, 상기 구동토크 제어수단은 최소기어비를 선택할 때 NOX의 배출량이 많아지는 공연비를 피하고, 그때 구동토크의 단차가 없도록 드로틀밸브 개방도를 제어하는 것을 특징으로 하는 내연기관의 제어장치.
  14. 제9항에 있어서, 상기 구동토크 제어수단은 감속시에 충전동작을 행하는 것을 특징으로 하는 내연기관의 제어장치.
  15. 제9항에 있어서, 상기 구동토크 제어수단은 촉매온도를 미리 결정한 값으로 제어하는 것을 특징으로 하는 내연기관의 제어장치.
  16. 제9항에 있어서, 상기 구동토크 제어수단은 촉매온도를 점화시기에서 제어하는 것을 특징으로 하는 내연기관의 제어장치.
  17. 제9항에 있어서, 상기 구동토크 제어수단은 배기농도를 미리 결정한 값으로 제어하는 것을 특징으로 하는 내연기관의 제어장치.
  18. 제17항에 있어서, 상기 구동토크 제어수단은 배기농도를 촉매의 입구에 설치한 골기 도입수단으로 행하는 것을 특징으로 하는 내연기관의 제어장치.
  19. 연료분사수단은 내연기관의 연소실에 연료를 분사하는 개구부를 구비하고, 공기량 제어수단은 기통내의 공기량을 제어하는 내연기관의 제어방법에 있어서, 상기 내연기관에 접속된 변속기의 출력측이 구동토크를 상기 연료분사수단의 연료분사량과, 상기 공기량 제어수단의 공기량 및, 상기 변속기의 기어단 중 적어도 어느 하나로 제어하는 것을 특징으로 하는 내연기관의 제어방법.
  20. 제19항에 있어서, 내연기관의 출력측이 엔진토크가 작을 때에는 공연비를 대략 일정하게 하여 드로틀밸브를 제어하고, 토크가 클 때에는 공연비를 제어하는 것을 특징으로 하는 내연기관의 제어방법.
  21. 제19항에 있어서, 변속시에 구동토크의 변동이 없도록 연료량을 제어하는 것을 특징으로 하는 내연기관의 제어방법.
  22. 제19항에 있어서, 변속시에 공연비를 변환하고, 그때 토크의 변동이 없도록 변속기의 기어비를 선택하는 것을 특징으로 하는 내연기관의 제어방법.
  23. 제19항에 있어서, 최소기어비를 선택할 때 NOX의 배출량이 많아지는 공연비를 피하고, 그때 구동토크의 단차가 없도록 드로틀밸브 개방도를 제어하는 것을 특징으로 하는 내연기관의 제어방법.
  24. 제19항에 있어서, 감속시에 충전동작을 행하는 것을 특징으로 하는 내연기관의 제어방법.
  25. 제19항에 있어서, 촉매온도를 미리 결정한 값으로 제어하는 것을 특징으로 하는 내연기관의 제어방법.
  26. 제25항에 있어서, 촉매온도를 점화시기에서 제어하는 것을 특징으로 하는 내연기관의 제어방법.
  27. 제25항에 있어서, 배기농도를 미리 결정한 값으로 제어하는 것을 특징으로 하는 내연기관의 제어방법.
  28. 제24항에 있어서, 배기농도를 촉매의 입구에 설치한 공기도입수단으로 행하는 것을 특징으로 하는 내연기관의 제어방법.
  29. 원통부분과 펜트루프부분과 상하운동을 하는 피스톤에 의하여 둘러싸인 연소실과; 상기 연소실의 공기와 연료의 혼합기에 점화하는 점화수단과; 상기 점화수단의 점화시기를 제어하는 점화시기 제어수단으로 이루어지는 불꽃점화 내연기관에 있어서, 상기 연소실의 상기 원통부분의 내주벽면에 상기 점화 수단을 설치하고, 상기 점화수단은 가스킷에 전극과 절연층을 가지는 것을 특징으로 하는 불꽃점화 내연기관.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940036167A 1993-12-28 1994-12-23 내연기관의제어장치및방법 KR100377645B1 (ko)

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JP93-334895 1993-12-28
JP33489593A JP4075080B2 (ja) 1993-12-28 1993-12-28 自動車用制御装置及びその制御方法
JP33492893A JP3635670B2 (ja) 1993-12-28 1993-12-28 火花点火内燃機関の制御装置及び方法
JP98-334928 1993-12-28
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EP1136685B1 (en) 2004-06-16
DE69430596D1 (de) 2002-06-13
EP0890725A2 (en) 1999-01-13
US6453871B1 (en) 2002-09-24
DE69416502D1 (de) 1999-03-25
EP1136685A3 (en) 2002-04-03
KR100377645B1 (ko) 2003-06-18
DE69433853T2 (de) 2005-07-14
EP0661432A3 (en) 1996-08-07
US5666916A (en) 1997-09-16
EP0890725B1 (en) 2002-05-08
DE69433853D1 (de) 2004-07-22
EP0890725A3 (en) 1999-04-14
EP0661432A2 (en) 1995-07-05
US6644270B2 (en) 2003-11-11
EP1136685A2 (en) 2001-09-26
US5875761A (en) 1999-03-02
US6148791A (en) 2000-11-21
US20030005908A1 (en) 2003-01-09
EP0661432B1 (en) 1999-02-10
DE69416502T2 (de) 1999-06-24
US20020069850A1 (en) 2002-06-13
US6343585B1 (en) 2002-02-05
DE69430596T2 (de) 2002-11-14

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