Provided is a catalyst warm-up control method for a hybrid vehicle configured to supply electric power to an electric motor (4) by a battery (3), to charge the battery by a power generation engine (1), and to treat exhaust gas discharged from the engine (1) with a catalyst (not illustrated), the hybrid vehicle capable of selecting a manner mode in which power generation using the engine (1) is stopped. The catalyst warm-up control method performs catalyst warm-up control such that when the temperature of the catalyst becomes lower than a normal threshold temperature for activating the catalyst, the target rotation speed of the engine (1) is controlled to a first warm-up required rotation speed at which the catalyst can be heated to a temperature that is higher than the normal threshold temperature. When the manner mode is selected, the catalyst warm-up control is performed when the temperature of the catalyst becomes lower than a manner mode threshold temperature that is equal to or less than the normal threshold temperature.
CATALYST WARM-UP CONTROL METHOD FOR HYBRID VEHICLE AND CATALYST WARM-UP CONTROL APPARATUS FOR HYBRID VEHICLE
VERFAHREN ZUR STEUERUNG DES WARMLAUFENS EINES KATALYSATORS FÜR EIN HYBRIDFAHRZEUG UND VORRICHTUNG ZUR STEUERUNG DES WARMLAUFENS EINES KATALYSATORS FÜR EIN HYBRIDFAHRZEUG
PROCÉDÉ DE COMMANDE DE RÉCHAUFFAGE DE CATALYSEUR POUR VÉHICULE HYBRIDE ET APPAREIL DE COMMANDE DE RÉCHAUFFAGE DE CATALYSEUR POUR VÉHICULE HYBRIDE
2021-08-11
Patent
Elektronische Ressource
Englisch
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
Europäisches Patentamt | 2022
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