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. 28, 2001
Filed:
Jan. 26, 1999
Wolfgang Hill, D-76135 Karlsruhe, DE;
Other;
Abstract
Known turn-to-turn windings with overlapping conductor lanes either only insufficiently use the groove space or are difficult to produce. In addition, uniform distribution of current density is not achieved in the winding overhang space. The disclosed multiple phase conductor layers are made of identical conductor lanes located in the groove space at the same distance from the air gap surface. The conductor layers stacked in the grooves complement each other in the use of the winding overhang space in that they lead the current in opposite directions across the width of the groove. Uniform distribution of current density and high space utilization are achieved in that the layered winding overhangs are offset in relation to the layers in the grooves in direction of the groove depth by one half the height of a layer. Each conductor lane occupies two winding overhang layers when passing through the winding overhangs, the transition between layers taking place at about the middle of the middle of the connection section at the outside of the winding overhangs. The conductor layers once removed are connected with each other. Motors and generators equipped with space-optimized turn-to-turn windings are characterized by high efficiency and power density.