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:
Jul. 25, 2000
Filed:
Jun. 04, 1999
Applicant:
Inventors:
Romuald L Bukoschek, Klagenfurt, AT;
Albrecht Griesshammer, Keutschach, AT;
Martin Sonnek, St. Veit/Glan, AT;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ; H02K / ; H02P / ; H02P / ;
U.S. Cl.
CPC ...
310 / ; 310 50 ; 318252 ;
Abstract
In an appliance having an a.c. series motor, which comprises a rotor coil configuration and two stator coils, switching means are provided for switching the a.c. series motor to different speeds or speed characteristics. Both coil ends of each of the two stator coils are accessible from outside of the a.c. series motor and are connected to the switching means. The switching means connects either one stator coil or both stator coils in series or both stator coils in parallel and in series with the rotor coil configuration.