Maine propulsion device with closed deck

Metal working – Method of mechanical manufacture – Prime mover or fluid pump making

Patent

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Details

29888061, B23B 528

Patent

active

052281949

ABSTRACT:
Disclosed herein is an engine comprising a closed deck cylinder block including a cylinder bore having an outer end, a counter bore at the outer end of the cylinder bore, and an outer wall including an outer cylinder head mounting surface extending from the counter bore, a coolant jacket located in spaced surrounding relation to the cylinder bore and being defined in part by the outer wall, and a passage located in the outer wall and communicating between the cylinder head mounting surface and the coolant jacket, a cylinder liner received in the cylinder bore and defining, with the counter bore, a U-shaped annular groove in the cylinder head mounting surface, a cylinder head including a cylinder block mounting surface engaged with the cylinder head mounting surface of the cylinder block, an interior coolant jacket, and a passage extending from the coolant jacket in the cylinder head to the cylinder block mounting surface of the cylinder head and communicating with the passage in the cylinder block.

REFERENCES:
patent: 4545101 (1985-10-01), Hilts

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