Engine having vertical crankshaft

Details Engine having vertical crankshaft Engine having vertical crankshaft

1988-12-27

1990-01-02

Kamen, Noah P.

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

123 4166, 123195C, F01P 102

Patent

active

048905844

ABSTRACT:
An engine having a vertically disposed crankshaft includes an engine cover for closing a whole upper area of an engine body and having a skirt portion protruding downwardly from a periphery of the engine cover, and a cooling fan with a flywheel fixed to an output shaft of the engine below the engine body. The engine further includes a protruded shroud formed integrally on a wall portion of the engine body to completely close an annular clearance between the wall portion and the skirt portion, and a plurality of apertures formed in the protruded shroud to constitute a cooling air intake inlet.

REFERENCES:
patent: 1691319 (1928-11-01), Watkins
patent: 3183899 (1965-05-01), Tuggle
patent: 4432309 (1984-02-01), Hutchison et al.
patent: 4570587 (1986-02-01), Watanabe et al.

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