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. 14, 1993
Filed:
Aug. 08, 1991
Herbert Auinger, Nurnberg, DE;
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Abstract
A polyphase alternating current motor has in addition to a main winding that can be connected to a voltage source, a auxiliary winding arranged in the stator, such that at least one condenser is connected to both windings per phase. A decrease in condenser size while at the same time improving the degree of effectiveness is possible by virtue of the fact that the main and auxiliary windings are arranged in such a way as to yield an increase and phase leading of the voltage adjacent to the condenser. The condensers are connected to the windings in such a way that only capacitative leakage current flows in the auxiliary winding and the geometrical total of active and leakage current flow in the main current.