Internal-combustion engines – Cooling – Air-cooled
Patent
1999-01-27
1999-12-28
Kamen, Noah P.
Internal-combustion engines
Cooling
Air-cooled
416 60, F01P 704
Patent
active
060067039
ABSTRACT:
A cooling fan made of synthetic resin for an air-cooled engine which is fixedly secured to a side of the body of a flywheel includes a plurality of cooling fins formed along a circumferential direction thereof, and a circular reinforcement rib projecting axially from the periphery of a backboard, thereby reducing deformation of the fan during running of the engine and preventing deformation of the fan during transportation, without significantly increasing the weight of the fan.
REFERENCES:
patent: 3905822 (1975-09-01), Kiefer
patent: 3952712 (1976-04-01), Hermanson
Kobayashi Kazuyuki
Kouchi Hiroyoshi
Nagase Yuji
Nakamura Shogo
Kamen Noah P.
Mitsubishi Heavy Industries Ltd.
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