Marine engine with louvered flywheel cover shroud

Details Marine engine with louvered flywheel cover shroud Marine engine with louvered flywheel cover shroud

1988-04-01

1989-10-17

Shoop, Jr., William M.

Prime-mover dynamo plants

Miscellaneous

Drive gearing

310 89, H02K 520

Patent

active

048749591

ABSTRACT:
In a two cycle internal combustion outboard marine engine (10) having vertical crankshaft (12) extending upwardly through a crankcase (14) and an alternator stator (6), and having a flywheel (4) secured to the top of the crankshaft, a louvered flywheel cover shroud (30) is provided over the flywheel and alternator. The louvers are provided by a plurality of spaced ramps (50, 52, 54, 56) extending along spaced inclined planes and defining vent openings (36, 38, 40, 42) therebetween exhausting air, to cool the alternator.

REFERENCES:
patent: 2156957 (1939-05-01), Aydelott
patent: 2945138 (1963-10-01), Kiekhaefer
patent: 3150474 (1960-07-01), Strang
patent: 3719843 (1973-03-01), Dochterman
patent: 3937200 (1976-02-01), Sleder et al.
patent: 4093906 (1978-06-01), Draxler
patent: 4160435 (1979-07-01), Sleder
patent: 4325350 (1982-04-01), Bauer et al.
patent: 4418677 (1983-12-01), Hofmann
patent: 4647835 (1987-03-01), Fujikawa et al.
patent: 4684835 (1987-08-01), Kline, Jr. et al.
Mercury Marine Parts Catalog 90-13292, Aug. 1985, pp. 6, 7, 22, 23, 28, 29.

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