发明名称 Small watercraft
摘要 Disclosed is a small watercraft having an engine cooling system which can lessen a temperature distribution of an engine. The small watercraft comprises an engine for driving a propulsion unit of the watercraft, and the engine includes a first cooling passage formed inside a cylinder head of the engine, for cooling the cylinder head with a coolant flowing therethrough, and a second cooling passage formed inside a cylinder block of the engine, for cooling the cylinder block of the engine with a coolant flowing therethrough, the first and second cooling passages being independent of each other.
申请公布号 US2003166363(A1) 申请公布日期 2003.09.04
申请号 US20030376670 申请日期 2003.02.26
申请人 MATSUDA YOSHIMOTO 发明人 MATSUDA YOSHIMOTO
分类号 B63H11/08;B63B35/73;B63H21/38;F01N13/12;F01P3/20;F02B61/04;(IPC1-7):B63H21/10 主分类号 B63H11/08
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