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:
Mar. 05, 2019
Filed:
Mar. 03, 2016
Asmo Co., Ltd., Kosai, Shizuoka-pref., JP;
Akio Murase, Toyohashi, JP;
DENSO CORPORATION, Aichi-Pref., JP;
Abstract
There is provided a brushless motor including (1) a motor shaft, (2) an insulator that includes a ring-shaped insulating portion covering the ring-shaped unit, (3) a centerpiece that includes a main body section that supports the motor shaft, (4) a first water stopping wall that is formed in a ring shape along the circumferential direction of the motor shaft, and that extends along the axial direction of the motor shaft from the ring-shaped insulating portion toward the main body section, and (5) a second water stopping wall that is formed in a ring shape along the circumferential direction of the motor shaft, that extends out along the axial direction of the motor shaft from the main body section toward the ring-shaped insulating portion, and that, together with the first water stopping wall, configures a labyrinth structure.