Cooling system for a small watercraft

Details Cooling system for a small watercraft Cooling system for a small watercraft

2005-04-05

2005-04-05

Avila, Stephen (Department: 3617)

Marine propulsion

Means for accomodating or moving engine fluids

Cooling for engine

Reexamination Certificate

active

06875070

ABSTRACT:
A cooling system is provided for a small watercraft which can prevent corrosion or freezing in a water channel. Water outside the watercraft is fed through a pump30and piping P1or the like to a engine in the watercraft and cools the same, and then is drained from the watercraft. Drain hoses DH1to3are connected to portions of the engine and piping where water tends to remain, and drain ports DH1ato3a, which are capable of being opened and closed, are provided at the other ends of the drain hose. A single drain valve DV is provided at the drain port for opening and closing the drain hose.

REFERENCES:
patent: 4932348 (1990-06-01), Nix et al.
patent: 5628285 (1997-05-01), Logan et al.
patent: 2001098942 (2001-04-01), None

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