Title:
電動機および換気扇
Document Type and Number:
Japanese Patent JP6714162
Kind Code:
B2
Abstract:
A motor includes: a stator, a rotor disposed inside the stator; a shaft (8) connected to the rotor and extending along a center axis of the stator; a board case (13) provided at one end of the stator in a direction along the center axis; a circuit board (15) provided oppositely to the stator with the board case (13) being interposed therebetween; a connecting portion provided on a mounting surface (15a) of the circuit board (15), the circuit board having a surface facing the stator and opposite to the mounting surface; a lead wire (40) connected to the connecting portion, and a protection tube (41) to cover a circumference of the lead wire (40). The board case (13) has a first holding portion (25) and a second holding portion (26) that are formed thereon, the first holding portion (25) protruding above the mounting surface (15a) out of the circuit board (15), the second holding portion (26) protruding above the mounting surface (15a) out of the circuit board (15) and facing the first holding portion (25), and the protection tube (41) is sandwiched and thus held between the first holding portion (25) and the second holding portion (26).
Inventors:
Takuya Nakamura
Junji Okada
Junji Okada
Application Number:
JP2019530268A
Publication Date:
June 24, 2020
Filing Date:
July 18, 2017
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H02K11/33; F04D25/08; F04D29/00
Domestic Patent References:
| JP4537331B2 |
Foreign References:
| WO2012008135A1 | ||||
| WO2013157035A1 |
Attorney, Agent or Firm:
Jun Takamura