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. 12, 2011
Filed:
Jan. 12, 2009
Jun Jie Chu, Hong Kong, CN;
Xiao Peng MA, Shenzhen, CN;
Jun Jie Chu, Hong Kong, CN;
Xiao Peng Ma, Shenzhen, CN;
Johnson Electric S.A., La Chaux-de-Fonds, CH;
Abstract
A stator winding for a slotless motor is formed by winding a magnet wireinto a single layer coil. The coilis deformed e.g., by pressing, to form a double layer webwhich is rolled up end to end to form a cylindrical stator winding. The coilis divided into a number of phase windingsextending between connection tappings. The magnet wireis a multi-core magnet wire formed from a plurality of core wires. Each core wireis an insulated single core wire. Optionally the core wires are twisted together. The core wiresare electrically connected together at the connection tappingsto form a plurality of parallel electrical paths or sub-windings.