Invention Grant
- Patent Title: Motor with seal member having first and second seal portions fitted through inclined surface
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Application No.: US15075949Application Date: 2016-03-21
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Publication No.: US10411546B2Publication Date: 2019-09-10
- Inventor: Kenichiro Hamagishi , Hironori Kizaki
- Applicant: Nidec Corporation
- Applicant Address: JP Kyoto
- Assignee: NIDEC CORPORATION
- Current Assignee: NIDEC CORPORATION
- Current Assignee Address: JP Kyoto
- Agency: Cantor Colburn LLP
- Priority: JP2015-074563 20150331
- Main IPC: H02K5/132
- IPC: H02K5/132 ; H02K5/10 ; H02K5/14

Abstract:
A motor may include an armature; a cylindrical housing; a brush card assembly; a cylindrical bracket positioned under the brush card assembly and directly fixed to the housing; and a seal member made of elastomer. The brush card assembly may include a cylindrical portion and a flange portion. The seal member may include a first seal portion fitted between the top surface of the flange portion and the housing, or the bottom surface of the flange portion and the bracket, in an axial direction while contacting the top surface and the housing or the bottom surface and the bracket. At least one of a radially inner surface of the housing and a radially inner surface of the bracket may include an inclined surface. The first seal portion may be fitted between the housing and the bracket through the inclined surface while contacting the housing and the bracket.
Public/Granted literature
- US20160294246A1 MOTOR Public/Granted day:2016-10-06
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