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:
Jan. 28, 2025

Filed:

May. 23, 2022
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Masashi Matsumoto, Nagoya, JP;

Kohei Watanabe, Okazaki, JP;

Hiroshi Inano, Miyoshi, JP;

Hazuki Kawamura, Nisshin, JP;

Tomoyuki Sawada, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 3/24 (2006.01); H02K 1/20 (2006.01); H02K 9/19 (2006.01);
U.S. Cl.
CPC ...
H02K 3/24 (2013.01); H02K 1/20 (2013.01); H02K 9/19 (2013.01);
Abstract

A cooling system is provided. Coil ends protrude outward from a first end of a stator core in a direction along a central axis. An imaginary straight line is orthogonal to both of a central axis of a core body and an axis extending in an up-down direction. Half the coil ends above the imaginary straight line are in a first portion. Each of the segment coils in the first portion includes an outer peripheral surface that faces in a direction opposite from the central axis. The outer peripheral surface of each of the segment coils includes a twisted surface. The direction in which the twisted surface faces becomes closer to the direction facing the stator core as the twisted surface extends toward the first end of the stator core.


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