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:
Aug. 06, 2024

Filed:

Jan. 21, 2022
Applicant:

Yasa Limited, Kidlington, GB;

Inventors:

Tom Hillman, Kidlington, GB;

Richard Phillips, Banbury, GB;

Ryan Potter, Kidlington, GB;

Tim Woolmer, Waterperry, GB;

Assignee:

YASA Limited, Kidlington, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 21/24 (2006.01); H02K 1/14 (2006.01); H02K 3/42 (2006.01);
U.S. Cl.
CPC ...
H02K 3/42 (2013.01); H02K 1/146 (2013.01); H02K 21/24 (2013.01);
Abstract

Various implementations include a stator assembly for an axial flux permanent magnet machine. The stator assembly may include a set of stator bars and a set of shoes for the stator bars. A shoe may be provided at one or each end of a stator bar. The stator assembly may further include a set of coils each wound around a respective stator bar. Each shoe has an inner surface adjacent to the end of one of the stator bars. The end of each stator bar has a rim, and each inner surface has a cut-away region over part of the rim to reduce a component of magnetic flux at the end of the stator bar.


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