Internal-combustion engines – Particular piston and enclosing cylinder construction – Piston
Patent
1991-09-27
1992-07-14
Cross, E. Rollins
Internal-combustion engines
Particular piston and enclosing cylinder construction
Piston
1231936, 1231932, 92223, 2988804, 29888048, 2988806, F02F 100, F02F 300
Patent
active
051293781
ABSTRACT:
A two-cycle, water-cooled marine engine having an engine block composed of a hypereutectic aluminum-silicon alloy. The silicon is distributed as discrete particles throughout the block, including the area bordering the walls of the cylinder bores. An aluminum piston is mounted for movement within each cylinder bore and the outer peripheral surface of each piston is plated with iron. With the iron plated piston in combination with the aluminum silicon alloy engine block, the engine is capable of being restarted after the engine seizes due to overheating caused by a blockage of the water cooling system.
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Donahue Raymond J.
Lanpheer Richard A.
Schultz W. Donald
Sheaffer Benjamin L.
Brunswick Corporation
Cross E. Rollins
Macy M.
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