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:
Apr. 18, 1995
Filed:
May. 05, 1993
Mario Trevisan, Arese, IT;
Industrie Magneti Marelli S.p.A., Milan, IT;
Abstract
A method for producing stator windings for an electric motor, particularly a brushless motor, with n phases. The stator is disposed inside the rotor and its periphery is divided into a plurality of pole extensions. n conducting wires are then wound around equiangularly spaced groups of polar extensions forming n first coils. The wires are then wound around further groups of polar extensions, adjacent to the first groups, avoiding any superpositions between adjacent coils formed by a same wire. The process is then repeated so that the successions of coils formed by each of the wires is progressively superimposed to the successions of coils formed by the other wires, forming n equiangularly spaced spirals.