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. 16, 2019
Filed:
Nov. 17, 2017
Fanuc Corporation, Yamanashi, JP;
Hidetoshi Uematsu, Yamanashi, JP;
Akihiro Hosoda, Yamanashi, JP;
FANUC CORPORATION, Yamanashi, JP;
Abstract
In a method for manufacturing a stator of the present invention, positions of stamping out the first stator core and the second stator core are respectively set so that an angular difference between respective rolling directions thereof becomes 360 degrees÷(4×motor pole pair number), when laminating the first stator core which is not circular stamped out from a first electromagnetic steel sheet, and the second stator core which is not circular stamped out from a second electromagnetic steel sheet. For the second stator core, orientation of a shortest segment among virtual segments linking opposite sides or diagonals which pass through a center thereof is not orthogonal to the rolling direction, and at least two are stamped out alongside in a width direction.