Electric motor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 24, 2002
Grant Date -
Jun 21, 2001
app pub date -
Dec 20, 2000
filing date -
Dec 20, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A frame for an electric motor is provided with a high heat discharge efficiency at low manufacturing cost wherein a plurality of cooling media paths, grooves, groove paths, media paths and communication paths are formed on the frame using a diecast process. A plurality of fins are formed in the grooves and a plurality of cooling media guide members are secured about the periphery of the frame to control the flow of the cooling media.
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