Title:
回転電機
Document Type and Number:
Japanese Patent JP5340531
Kind Code:
B2
Abstract:
A rotary electric machine and a commutator for the rotary electric machine are disclosed wherein the commutator includes an insulating member carrying thereon a plurality of commutator segments each having a brush contact surface. Each commutator segment has an embedded portion formed with a tab tail, molded to the insulating member, and has a riser portion radially extending outward from the brush contact surface to be electrically connected to armature coils. The insulating member has a large diameter portion and an increased wall thickness portion, axially extending from the large diameter portion in a direction away from the riser portion, with a sum of axial wall thicknesses of the increased wall thickness portion and the large diameter portion lying in a value two times an axial wall thickness of the riser portion. The increased wall thickness portion is formed in a tapered shape.
Inventors:
Kazuyuki Kito
Application Number:
JP2006285091A
Publication Date:
November 13, 2013
Filing Date:
October 19, 2006
Export Citation:
Assignee:
株式会社デンソー
International Classes:
H02K13/00; H01R39/04; H02K3/04
Domestic Patent References:
| JP2003348799A | ||||
| JP2004194396A | ||||
| JP654498A | ||||
| JP6261164U | ||||
| JP1283043A | ||||
| JP4168955A | ||||
| JP4312340A | ||||
| JP200116830A | ||||
| JP898471A |
Attorney, Agent or Firm:
Takashi Ito
Ryo Iguchi
Hirohiko Usui
Ryo Iguchi
Hirohiko Usui