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To perform proper quick catalyst warmup control during idling-off.SOLUTION: During an idling-off in which an engine idling operation is not being indicated, when quick catalyst warmup for warming up a catalyst of a purification device is to be performed by operating an engine by making fuel injectio...

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Bibliographische Detailangaben
Hauptverfasser: NASU JUMPEI, IMAI SOICHI, UCHIDA TAKAHIRO, ANDO HIROKAZU, ASAMI YOSHIKAZU, NAWATA HIDEKAZU, IDOGAWA MASANAO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To perform proper quick catalyst warmup control during idling-off.SOLUTION: During an idling-off in which an engine idling operation is not being indicated, when quick catalyst warmup for warming up a catalyst of a purification device is to be performed by operating an engine by making fuel injection at a compression stroke or an expansion stroke and retarding an ignition timing, the engine and a first electric motor are controlled so that the engine is operated at a first prescribed rotation number while outputting a prescribed torque, and a second electric motor is controlled so that a drive force based on a required drive force is output.SELECTED DRAWING: Figure 3 【課題】アイドルオフ時により適正な急速触媒暖機制御を実行する。【解決手段】エンジンのアイドル運転が指示されていないアイドルオフのときに、エンジンを圧縮行程または膨張行程で燃料噴射行なうと共に点火時期を遅角して運転することにより浄化装置の触媒を暖機する急速触媒暖機を実行するときには、エンジンが所定トルクを出力しながら第1所定回転数で運転されるようにエンジンと第1電動機とを制御すると共に要求駆動力に基づく駆動力が出力されるように第2電動機を制御する。【選択図】図3