Electricity: motive power systems – Repulsion motor systems
Reexamination Certificate
2008-05-20
2008-05-20
Donovan, Lincoln (Department: 2837)
Electricity: motive power systems
Repulsion motor systems
C318S254100, C318S132000, C318S434000
Reexamination Certificate
active
11442211
ABSTRACT:
A system for controlling the speed of a brushless repulsion motor having a series of switches mounted on a rotating armature for shorting circumferentially spaced armature coils comprising first stationary signaling means and a plurality of rotating detectors for activating said switches; second stationary signaling means for speed control; a plurality of markers on the rotating armature; a speed detector for detecting the speed of the rotating markers and generating a speed feedback signal; means for generating a speed command signal; an error calculator for comparing the speed feedback and speed command signals and generating an error signal; and a controller for controlling the signaling means based on the error signal.
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Donovan Lincoln
Dynamoters, Inc.
Fay Sharpe LLP
McCloud Renata
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