Abstract: Alternating current electric induction motor, in particular a motor (12-22) which is fed by a frequency variator, comprising a casing (4) which supports a rotor (9) by means of roller bearings (8) and which supports a stator (13) with a coaxial ring-shaped core (16) made of a magnetic material, characterized in that the stator (13) is provided with an auxiliary closed loop toroidal winding (20).
Type:
Grant
Filed:
April 6, 2010
Date of Patent:
November 4, 2014
Assignee:
KS Research S.A.
Inventors:
Stefan Kupisiewicz, Jacuqes Jean Schoebrechts