Marine propulsion – Means for accomodating or moving engine fluids – Cooling for engine
Reexamination Certificate
2005-03-22
2005-03-22
Swinehart, Ed (Department: 3617)
Marine propulsion
Means for accomodating or moving engine fluids
Cooling for engine
C440S08800J, C440S0880HE
Reexamination Certificate
active
06869324
ABSTRACT:
Disclosed is a small watercraft having an engine cooling system which can lessen variation in temperature and temperature distribution of the engine between the time when the engine is starting and when the watercraft is continuously driving with a throttle in a fully open or almost fully open position. The small watercraft adapted to be propelled by a water jet pump driven by an engine, comprises: a first cooling system for cooling a cylinder block of the engine, the first cooling system having an indirect cooling structure; and a second cooling system for cooling an exhaust system, the second cooling system having a direct cooling structure.
REFERENCES:
patent: 3292373 (1966-12-01), Hiroshi
patent: 5330374 (1994-07-01), Ishino
patent: 5885121 (1999-03-01), Nanami et al.
patent: 5921829 (1999-07-01), Iwata
patent: 6524149 (2003-02-01), Hattori
patent: 6544085 (2003-04-01), Menard et al.
Kawasaki Jukogyo Kabushiki Kaisha
Kolisch & Hartwell, P.C.
Swinehart Ed
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