CONTROL APPARATUS FOR AN INTERNAL COMBUSTION ENGINE

In a control apparatus for an internal combustion engine provided with an electrically heated catalyst which heats a catalyst having an ability to purify an exhaust gas by heat from a heat generation element which generates heat by the supply of electric power, provision is made for a decision unit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KUMAGAI, Noriaki, YOSHIOKA, Mamoru
Format:	Patent
Sprache:	eng ; fre ; ger
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 CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES CONTROLLING COMBUSTION ENGINES ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT STEAM ENGINES TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	In a control apparatus for an internal combustion engine provided with an electrically heated catalyst which heats a catalyst having an ability to purify an exhaust gas by heat from a heat generation element which generates heat by the supply of electric power, provision is made for a decision unit that decides a restraint amount for energy inputted to the electrically heated catalyst through the exhaust gas so that a heat generation element internal temperature difference, which is a difference in temperature between predetermined portions in the heat generation element of the electrically heated catalyst at the time of cold starting of the internal combustion engine, falls within a predetermined temperature range; and a control unit that controls an operating state of the internal combustion engine according to the restraint amount for the input energy decided by the decision unit. With this construction, the occurrence of cracks inside the heat generation element of the electrically heated catalyst is suppressed.