CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE

PROBLEM TO BE SOLVED: To reduce reduction of torque in changing a mechanical compression ratio from a high compression ratio to a low compression ratio, in an internal combustion engine having a variable compression ratio mechanism with a variable length connecting rod.SOLUTION: A control system of...

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Bibliographische Detailangaben
Hauptverfasser:	SUGIHIRA SHIGEHIRO, MORIGUCHI RYUTARO, KATO NAOTO, SHIBAIKE YUSHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INSTRUMENTATION OR DASHBOARDS FOR VEHICLES INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To reduce reduction of torque in changing a mechanical compression ratio from a high compression ratio to a low compression ratio, in an internal combustion engine having a variable compression ratio mechanism with a variable length connecting rod.SOLUTION: A control system of an internal combustion engine is configured to, when a variable compression ratio mechanism changes a mechanical compression ratio from a high compression ratio to a low compression ratio, execute control of increasing combustion energy generated by combusting fuel, and when change of the mechanical compression ratio from the high compression ratio to the low compression ratio is completed, execute control of decreasing the combustion energy generated by combusting the fuel.SELECTED DRAWING: Figure 5 【課題】本発明は、可変長コンロッドを用いた可変圧縮比機構を有する内燃機関において、機械圧縮比を高圧縮比から低圧縮比に変更する際のトルクの低下を低減することを目的とする。【解決手段】本発明では、可変圧縮比機構が機械圧縮比を高圧縮比から低圧縮比に変更する際には燃料が燃焼することで生じる燃焼エネルギを増量させる制御を実行し、且つ、該機械圧縮比の高圧縮比から低圧縮比への変更が完了したときには燃料が燃焼することで生じる燃焼エネルギを減量させる制御を実行する。【選択図】図５