F - Mech Eng,Light,Heat,Weapons – 01 – P
Patent
F - Mech Eng,Light,Heat,Weapons
01
P
F01P 11/08 (2006.01) F01M 5/00 (2006.01)
Patent
CA 2518353
To provide an internal combustion engine for a small-sized planing boat in which the use of an oil cooler is controlled, supercooling is avoided in the cold and the dilution of lubricating oil can be prevented. The invention is based upon an internal combustion engine for a small-sized planing boat provided with an oil cooler for cooling lubricating oil in the small-sized planing boat in which the internal combustion engine for driving a jet propulsion pump is mounted in a hull encircled by the bottom of the hull and a deck and a rider rides on the deck and is characterized in an internal combustion engine for a small-sized planing boat where a bypass oil path connecting an upstream oil path and a downstream oil path of the oil cooler for detouring the oil cooler and an oil thermostat for selectively opening the side of the oil cooler provided to the upstream oil path and the bypass oil path to switch the flow of lubricating oil are provided, the oil thermostat opens the bypass oil path when the temperature of the lubricating oil is below predetermined temperature and opens the side of the oil cooler when the temperature of the lubricating oil is equal to or exceeds the predetermined temperature.
Hoi Yosuke
Izumi Michio
Matsuo Hisashi
Okada Kazunori
Dennison Associates
Honda Motor Co. Ltd.
LandOfFree
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