Title:
MOTOR AND MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2022/003835
Kind Code:
A1
Abstract:
A motor (100) of an inner rotor type is provided with: a stator core (1) having an annular back yoke part (2) and a plurality of tooth parts (3) protruding radially inward from an inner circumferential portion of the back yoke part (2); and a first housing (4) that is made of an aluminum alloy and that holds the stator core (1). Each of the tooth parts (3) is molded integrally with the back yoke part (2). The back yoke part (2) is insert molded in the first housing (4). In the first housing (4), a first passage (21) for cooling liquid is formed.
Inventors:
MAEBAYASHI AKIRA (JP)
KAWASAKI SACHIKO (JP)
KAWASAKI SACHIKO (JP)
Application Number:
PCT/JP2020/025703
Publication Date:
January 06, 2022
Filing Date:
June 30, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K9/19; H02K1/12
Foreign References:
| JPH08237900A | 1996-09-13 | |||
| JP2013188030A | 2013-09-19 | |||
| JP2009136130A | 2009-06-18 | |||
| JP2012115050A | 2012-06-14 |
Attorney, Agent or Firm:
SANNO PATENT ATTORNEYS OFFICE (JP)
Download PDF: