One-piece flywheel having outer ring gear portion, and process of manufacturing the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 5, 2002
Grant Date -
N/A
app pub date -
Jan 28, 2000
filing date -
Jul 30, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A generally disc-shaped flywheel which is an integral one-piece forged structure formed by forging of a carbon steel blank and consisting of an inner portion having a friction surface and an outer ring gear portion disposed radially outwardly of the inner portion. The flywheel is formed by forging the carbon steel blank to obtain an intermediate product consisting of the inner portion and the outer ring gear portion, hardening the friction surface of the inner portion of the intermediate product, and shot peening the hardened friction surface to form a multiplicity of recesses in the hardened friction surface.
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