Title:
モータおよびファン
Document Type and Number:
Japanese Patent JP6528501
Kind Code:
B2
Abstract:
A motor includes a rotor, a brush card assembly arranged to supply an electric current to the rotor, a housing, a permanent magnet, and a bearing. The rotor includes a core fixed to a shaft, a coil arranged to excite the core and a commutator connected to the coil. The coil is wound around the core in a concentrated winding method. The brush card assembly includes at least one pair of brushes having different polarities, the brushes disposed along a circumferential direction and connected to each other via the commutator and the coil, a X capacitor parallel-connected to the brushes, Y capacitors parallel-connected to the brushes and a brush card arranged to hold the brushes, the X capacitor and the Y capacitors. The brush card includes a ground portion. The X capacitor is positioned between the brushes in the circumferential direction. The Y capacitors are connected to the ground portion.
Inventors:
Takahiro cypress
Shohei Osuge
Shohei Osuge
Application Number:
JP2015064246A
Publication Date:
June 12, 2019
Filing Date:
March 26, 2015
Export Citation:
Assignee:
Nidec Corporation
International Classes:
H02K13/00; H02K5/14; H02K9/06; H02K11/026; H02K23/66
Domestic Patent References:
| JP2009240031A | ||||
| JP50049606U | ||||
| JP2007267448A |
Attorney, Agent or Firm:
Shiga International Patent Office