Title:
パワーユニットおよびパワーユニットの組立方法
Document Type and Number:
Japanese Patent JP7429303
Kind Code:
B2
Abstract:
Provided are a power unit and a power unit assembly method in which the interference between an inner rotor and an outer stator is prevented and the number of assembly steps can be reduced. This power unit (10) has a motor (M) having a rotor shaft (S) to which an inner rotor (R) is fixed, a case (C) for housing the rotor shaft (S), and a drive gear (D) for transmitting the driving force of the rotor shaft (S) to the downstream side, wherein the drive gear (D) forms in a substantially cylindrical shape separated from the rotor shaft (S) and is configured to be capable of connecting to the outer circumferential surface of the rotor shaft (S). The outer circumferential surface of the drive gear (D) is provided with a gear portion (65) for transmitting the driving force to the downstream side and a non-gear portion (65a). The case (C) has a bearing (53) into which an outer ring (53b) is press-fitted. The non-gear portion (65a) is press-fitted into an inner ring (53a) of the bearing (53) and thereby the drive gear (D) falls at a predetermined position.
Inventors:
Kajiwara Eisuke
Makoto Fujikubo
Makoto Fujikubo
Application Number:
JP2022550279A
Publication Date:
February 07, 2024
Filing Date:
September 17, 2020
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
B60K17/14
Domestic Patent References:
| JP2003329114A | ||||
| JP200837355A |
Foreign References:
| WO2017057070A1 | ||||
| US20160099632 |
Attorney, Agent or Firm:
Masayuki Shobayashi
Kazuyoshi Hayashi
Hiroaki Hoshino
Kiyotaka Sakamoto
Toshiji Tanabe
Kazuyoshi Hayashi
Hiroaki Hoshino
Kiyotaka Sakamoto
Toshiji Tanabe