COVER FOR ELECTRIC MOTOR HOUSING

摘要

In a motor comprising: a motor housing having cooling fins installed on the outer peripheral surface thereof; a cover installed on one side of the motor housing; a rotary shaft installed by passing through the motor housing and the cover; a bearing installed between the rotary shaft and the cover; and a fan hood having a cooling fan provided therein and installed on the other side of the motor housing, the cover for a motor housing comprises: a first main body unit having a first hollow hole formed in the center thereof; a second main body unit installed on the inner surface of the first main body unit; and a plurality of cooling passages formed between the first main body unit and the second main body unit to cool the bearing by air discharged by the cooling fan. The cover for a motor housing according to the present invention can prevent the thermal deformation of the bearing.