SHIP PROPELLING SYSTEM AND SHIP

PROBLEM TO BE SOLVED: To effectively use boil-off gas of an LNG tank as a power generating fuel in the case of adopting a two-cycle (low-speed) gas-fired diesel engine as a main propelling engine.SOLUTION: A ship propelling system using boil-off gas (BOG) of an LNG tank (10) includes: two-cycle main...

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Bibliographische Detailangaben
Hauptverfasser:	TOTANI YOSHIHIKO, SHIJI TOSHIO, TANAKA ICHIRO, OGAWA MITSUYA, SHIKANO KENJI
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARIES ON VESSELS BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES EQUIPMENT FOR SHIPPING HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MARINE PROPULSION OR STEERING MECHANICAL ENGINEERING PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To effectively use boil-off gas of an LNG tank as a power generating fuel in the case of adopting a two-cycle (low-speed) gas-fired diesel engine as a main propelling engine.SOLUTION: A ship propelling system using boil-off gas (BOG) of an LNG tank (10) includes: two-cycle main gas-fired diesel engines (5a, 5b) at least using LNG as a fuel and main propellers (1a, 1b); a gas compressor (30) for compressing the boil-off gas; gas-fired power generating diesel engines (20a, 20b, 20c) at least using the boil-off gas compressed by the gas compressor as a fuel; generators (21a, 21b, 21c) for generating power with motive power of the gas-fired power generating diesel engines; and auxiliary propelling devices (3a, 3b) for energizing the drive of the main propellers by the main gas-fired diesel engines according to the power generated by the generators.