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Title:
SLIP RING DEVICE
Document Type and Number:
Japanese Patent JP2013192427
Kind Code:
A
Abstract:

To provide a slip ring device the cooling efficiency of which can be enhanced when compared with prior art.

A slip ring device 10A comprises: a slip ring 11 provided on a rotating shaft 1; and a brush 12 being pressed against the surface of the slip ring 11. A plurality of slip rings 11 are provided, side by side in the axis Ax direction, on the rotating shaft 1. The plurality of slip rings 11 are arranged while spaced apart in the axis Ax direction so as not to come into contact with each other. An insulation ring 13 is provided coaxially with the rotating shaft 1 between adjoining slip rings 11. When viewed from a direction orthogonal to the axis Ax direction, the insulation ring 13 has a cross-sectional surface formed asymmetrically with respect to the axis Ax direction.


Inventors:
TOKOZAKURA DAISUKE
ARAKAWA KAZUYA
TAKAHASHI HIROYA
ICHIGE KEISUKE
Application Number:
JP2012058822A
Publication Date:
September 26, 2013
Filing Date:
March 15, 2012
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
TOYOTA CENTRAL RES & DEV
International Classes:
H02K13/00; H01R39/00; H02K9/28
Domestic Patent References:
JP2010262902A2010-11-18
JPH01162762A1989-06-27
JP2001069726A2001-03-16
Foreign References:
US4294500A1981-10-13
Attorney, Agent or Firm:
Koji Yamamoto
Tatsuo Egami
Satoshi Nakamura