Internal-combustion engines – Cooling – Air-cooled
Patent
1992-07-02
1993-04-06
Kamen, Noah P.
Internal-combustion engines
Cooling
Air-cooled
74572, F01P 704
Patent
active
051993880
ABSTRACT:
Disclosed herein is a flywheel comprising a hub, a flange extending from the hub and including a central portion having an under surface, an outer surface, a plurality of openings extending through the central portion in a circular array, and a like plurality of vanes which are inclined in the direction from the outer surface toward the under surface and in a first rotary direction opposite to a second or intended direction of flywheel rotation, which are respectively located between the openings, and which respectively include an outer surface extending from the central portion outer surface to the central portion under surface, and an under surface extending from the central portion outer surface to the central portion under surface in generally parallel spaced relation to the vane outer surface, whereby, and in response to flywheel rotation in the intended rotary direction, air is engaged by the vane under surfaces and forced axially in the direction from the outer surface of the central portion to the under surface of the central portion.
REFERENCES:
patent: 3782851 (1974-01-01), Harckbarth et al.
patent: 4134370 (1979-01-01), Iwahashi et al.
patent: 4550697 (1985-11-01), Campen
patent: 4603664 (1986-08-01), Jackson
patent: 4606305 (1986-08-01), Campen
patent: 4982705 (1991-01-01), Hudson
Kamen Noah P.
Outboard Marine Corporation
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