Patent ID: 6685517
Filing Date: 2004-02-03
Classification: B63B,B63H,F01P

Abstract:
A personal watercraft comprising:a water jet pump; a cooling water passage of an engine; a first water passage from the water jet pump to the cooling water passage, said first water passage having a first portion located higher than an inlet of the cooling water passage a second water passage opened in a surface of a body of the watercraft and communicating with the first water passage, said second water passage branching from a position of the first water passage between the first portion and the inlet of the cooling water passage; and an opening/closing means for opening/closing the second water passage, wherein a cooling water is forcibly sent by the water jet pump and led to the cooling water passage through the first water passage, the water flows through the cooling water passage while exchanging heat, and the resulting water is discharged outside the body of the watercraft.