Brushless DC motor with means for compensating ripple torque
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 14, 1988
Grant Date -
N/A
app pub date -
Apr 28, 1987
filing date -
Apr 28, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A brushless DC motor comprising a stator with plural exciting windings and a rotor made of a permanent magnet is provided with a compensation winding wound in the stator and compensation magnetic poles disposed on the rotor such that a torque which is generated between the compensation winding and the compensation magnetic poles of the rotor may eliminate fluctuation of the torque generated by interaction of the exciting windings of the stator and the main magnet of the rotor.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully