Cooling system of engine for personal watercraft

Details Cooling system of engine for personal watercraft Cooling system of engine for personal watercraft

2006-11-21

2006-11-21

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

C123S041080, C123S041310

Reexamination Certificate

active

07137364

ABSTRACT:
An open-looped cooling system is disclosed. The cooling system typically includes a cylinder head including a first water jacket through which cooling water flows, a cooling water inlet through which the first water jacket communicates with outside, and a first cooling water outlet through which the first water jacket communicates with outside, a cylinder block including a second water jacket through which the cooling water within the first water jacket flows, the second water jacket being configured to communicate with the first water jacket, and a second cooling water outlet through which the second water jacket communicates with outside, and a thermostat configured to control a flow rate of the cooling water flowing out from the second cooling water outlet of the cylinder block based on a temperature of the cooling water.

REFERENCES:
patent: 3358654 (1967-12-01), Shanahan et al.
patent: 4588385 (1986-05-01), Suzuki et al.
patent: HEI4-334720 (1992-11-01), None

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