Internal-combustion engines – Cooling – Air-cooled
Patent
1992-07-02
1993-09-21
Kamen, Noah P.
Internal-combustion engines
Cooling
Air-cooled
123149D, 74572, F01P 704
Patent
active
052459543
ABSTRACT:
Disclosed herein is a flywheel comprising a flywheel structure including a hub portion having an axis, an inner end, and an outer end spaced axially from the inner end, a central flange portion extending radially outwardly from the outer end of the hub portion in generally perpendicular relation to the axis of the hub portion, and having a circular outer periphery, an outer portion including a generally cylindrical wall part extending from the outer periphery of the central flange portion in generally spaced and parallel relation to the hub portion and including an end axially adjacent the inner end of the hub portion, and a plurality of exit openings located in the central flange portion and permitting air flow relative to the central flange portion, and a fan structure including a like plurality of inclined vanes located between the exit openings and extending, in inclined relation in the rotary direction counter to the intended direction of flywheel rotation, and operable to cause air flow through the exit openings.
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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