INTERNAL COMBUSTION ENGINE
PROBLEM TO BE SOLVED: To provide an internal combustion engine capable of efficient operation while easily avoiding knocking without using a knock sensor.SOLUTION: In an internal combustion engine including a control device 70 for controlling ignition timing, the control device 70 partitions an enti...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an internal combustion engine capable of efficient operation while easily avoiding knocking without using a knock sensor.SOLUTION: In an internal combustion engine including a control device 70 for controlling ignition timing, the control device 70 partitions an entire region specified by a relation between an engine rotational speed and a throttle opening when the internal combustion engine operates into a plurality of sections, and includes a storage unit 83 storing therein oil temperature/ignition timing correction tables corresponding to the respective sections. The control device 70 determines a section is what of the plurality of sections on the basis of detected values of the engine rotational speed and the throttle opening when the internal combustion engine operates, and determines ignition timing based on the oil temperature in the oil temperature/ignition timing correction table corresponding to the determined section.
【課題】ノックセンサを用いることなく簡易にノッキングを回避しつつ効率的な運転が可能となる内燃機関を提供する。【解決手段】点火タイミングを制御する制御装置70を備える内燃機関において、制御装置70が、内燃機関稼動時におけるエンジン回転数とスロットル開度との関係で定まる領域全体を複数の区画に区画し、それぞれの区画に対応する油温・点火タイミング補正テーブルを記憶する記憶部83を有し、内燃機関稼動時におけるエンジン回転数及びスロットル開度の検出値に基づき、前記複数の区画のうちのいずれの区画であるかを判定し、判定した区画に対応する前記油温・点火タイミング補正テーブルにて、油温に基づき点火タイミングを決定する。【選択図】図2 |
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