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:
Aug. 14, 1990
Filed:
Mar. 02, 1989
Applicant:
Inventors:
Leo Bertram, Stolberg, DE;
Romuald L Bukoschek, Klagenfurt, AT;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310162 ; 310 44 ; 310156 ;
Abstract
In a self-starting two-pole single-phase synchronous motor with a permanent magnetic rotor, which as a result of diametrical magnetization comprises two opposite pole faces on its circumference, the rotor is made of a plastics-bonded anisotropic magnetic material, the two opposite pole faces each being limited to an angular range of the rotor circumference starting from the rotor axis, which is smaller than 90.degree..