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.

Date of Patent:
Jun. 25, 2019

Filed:

Dec. 20, 2016
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Inventors:

Fujio Ando, Nagoya, JP;

Hirotsugu Iwamoto, Nisshin, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 3/12 (2006.01); H02K 3/28 (2006.01); H02K 15/00 (2006.01); F01D 9/00 (2006.01);
U.S. Cl.
CPC ...
H02K 15/0087 (2013.01); F01D 9/00 (2013.01); H02K 3/12 (2013.01); H02K 3/28 (2013.01); Y10T 29/49316 (2015.01);
Abstract

A method for manufacturing a stator operatively associated with an inner and outer circumferential jigs including sequentially ordered steps of inserting segment coils, each constituting of a pair of straight portions connected with a connecting portion in a U-like shape, in slots of a stator core, rotating a twisting ring while distal end parts of the pairs of straight portions protruding on an opposite side to the connecting portions are engaged with ring grooves of the twisting ring to twist and shape in one direction the distal end parts located in odd-numbered positions from an outer circumferential side or an inner circumferential side in a radial direction and twist and shape the distal end parts located in even-numbered positions in an opposite direction to the one direction, and welding the distal end parts twisted in the one direction and the distal end parts twisted in the opposite direction.


Find Patent Forward Citations

Loading…