PROBLEM TO BE SOLVED: To reduce burdens on a driving operation in an engine system for a marine vessel having an auxiliary system.SOLUTION: An engine system includes: an auxiliary system that includes at least one of an auxiliary super charger juxtaposed to a main super charger for rising exhaust air pressure, a water emulsion unit for adding water to pure fuel, and an EGR unit that intakes exhaust air into scavenging air so as to recycle the exhaust air through an engine body; and a control device that stores auxiliary system operation conditions for each operation mode in advance, the conditions including at least one of operating/stopping of the auxiliary super charger, a water ratio added to pure fuel, and a ratio of exhaust air to occupancy of scavenging air, and sends a control signal to the auxiliary system so as to satisfy the auxiliary system operation conditions corresponding to the selected operation mode for setting the auxiliary system.SELECTED DRAWING: Figure 3
【課題】補助システムを備えた船舶用のエンジンシステムにおいて、運転操作の負担を軽減する。【解決手段】エンジンシステムにおいて、補助システムは、主過給機と並列に配置されて掃気を昇圧する副過給機、純燃料に水を添加する水エマルジョンユニット、及び、排気を掃気内に取り入れて当該排気をエンジン本体に再循環させるEGRユニットのうちの少なくとも1つを含み、制御装置は、副過給機の運転又は停止、純燃料に添加する水の割合、及び、掃気に占める排気の割合のうち少なくとも1つを含む補助システム運転条件を運転モードごとに予め記憶しており、選択された運転モードに対応する補助システム運転条件を満たすよう補助システムに制御信号を送信し、補助システムを設定するよう構成されている。【選択図】図3
ENGINE SYSTEM FOR MARINE VESSEL AND CONTROL METHOD THEREOF
船舶用のエンジンシステム及びその制御方法
2016-12-01
Patent
Elektronische Ressource
Japanisch
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