Marine propulsion – Means for accomodating or moving engine fluids – Cooling for engine
Patent
1998-06-18
2000-06-06
Avila, Stephen
Marine propulsion
Means for accomodating or moving engine fluids
Cooling for engine
B63H 2110
Patent
active
060711582
ABSTRACT:
A multiple cylinder engine for a small watercraft is provided with a separately structured cylinder head and cylinder head cover which cooperate when fastened together to define a cylinder head water jacket with chambers for cooling each cylinder in the engine. A longitudinally oriented coolant passage runs past and communicates with each water jacket chamber to facilitate flow of cooling water out of each chamber. In an embodiment in which the cylinders are inclined, the coolant passage is positioned in a higher location than the water jacket chambers.
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Avila Stephen
Yamaha Hatsudoki Kabushiki Kaisha
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