| 摘要 |
An electric motor including a housing; an output shaft stuck out from an end face of the housing; an air purge device having an inner circumferential surface and a mounting surface, the inner circumferential surface surrounding an outer circumferential surface of the output shaft, the mounting surface is mounted on the end face of the housing, the air purge device being configured to supply air to a clearance between the inner circumferential surface and the outer circumferential surface of the output shaft; and a fastening part fastening the air purge device to the end face of the housing in a detachable manner. The housing and the air purge device respectively having fitting parts at which the housing and the air purge device are fitted to each other when mounting the air purge device to the end face of the housing. |
