The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 18, 1984
Filed:
Sep. 19, 1983
Aktiebolaget Electrolux, Stockholm, SE;
Abstract
A two-pole reluctance motor comprises a stator having two diametrically opposed poles with windings, and a rotor of soft magnetic material having two correspondingly positioned poles, each rotor pole having a first portion with a peripheral extension which coincides with the corresponding extension of the respective stator pole, and an additional portion adjacent the first portion and having a pole surface situated closer to the shaft of the rotor than the first portion. A device is arranged during the starting process of the motor to drive the motor by current pulses of a magnitude which in areas of pole overlap saturates at least those portions of the stator and the rotor pole, respectively, closest to the pole surfaces.