Title:
電動機
Document Type and Number:
Japanese Patent JP5819703
Kind Code:
B2
Abstract:
Provided is a motor including a stator with a coil, a stator frame, an end cover, bearings, and a heat conducting resin (60) in the stator frame. The coil includes first and second coil ends. The stator frame includes end walls, whose respective central parts form a first and a second boss (36, 46) each holding a bearing. The heat conducting resin (60) includes a first resin part (61) covering the first coil end and contacting an inner surface of the stator frame as well as the first boss (36). The heat conducting resin (60) further includes and a second resin part (62) covering the second coil end and being separated from the second boss (46). That is, the first resin part (61) has a portion between the first coil end and the first boss (36), the portion being thicker than that of the second resin part (62).
Inventors:
Akira Tsutsui
Seiji Saeki
Kazushige Koiwai
Nakazumi Akira
Seiji Saeki
Kazushige Koiwai
Nakazumi Akira
Application Number:
JP2011235849A
Publication Date:
November 24, 2015
Filing Date:
October 27, 2011
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
Kobelco Construction Machinery Co., Ltd.
Kobelco Construction Machinery Co., Ltd.
International Classes:
H02K3/44
Domestic Patent References:
| JP2007143245A | ||||
| JP2001037158A | ||||
| JP56115154A | ||||
| JP2010035310A | ||||
| JP5146106A | ||||
| JP3048373U | ||||
| JP59097558U | ||||
| JP2002535954A | ||||
| JP2009543537A |
Attorney, Agent or Firm:
Etsushi Kotani
Masataka Otani
Muramatsu Toshiro
Masataka Otani
Muramatsu Toshiro