Salient pole rotor with magnetic pole portions, concave portions and cylindrical cover portion with fiber filament
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United States of America Patent
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-
Oct 5, 2021
Grant Date -
Jan 24, 2019
app pub date -
Mar 9, 2016
filing date -
Mar 9, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A salient-pole rotor includes a magnetic pole portion having a plurality of protruding portions which protrude outward in a radial direction from a base portion, is disposed to be spaced apart from each other at intervals in a circumferential direction of a rotary shaft and have outer circumferential surfaces along an imaginary cylindrical surface. The magnetic pole portion includes a concave portion reinforcing portion which is provided inside the concave portion and a cylindrical reinforcing portion which covers the magnetic pole portion and the outer circumferential surface of the concave portion reinforcing portion. The base portion has a plurality of slits extending in the circumferential direction to be spaced apart from each other in the radial direction. A slit reinforcing portion formed of a non-magnetic material is provided inside the slits.
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