Electric motor with fan motor

Abstract

An electric motor comprising: an motor main body, a fan motor for cooling the motor main body, and a casing which is attached to the motor main body to hold the fan motor, wherein the fan motor has engagement parts, and both of the motor main body and the casing are provided with engagement parts which can engage with the engagement parts on the fan motor to fasten the fan motor.

1 . An electric motor comprising:
 a motor main body,   a fan motor for cooling said motor main body, and   a casing which is attached to said motor main body to hold said fan motor, wherein   said fan motor has engagement parts, and   both of said motor main body and said casing are provided with engagement parts ( 1 E,  3 E) which can engage with the engagement parts on said fan motor to fasten said fan motor.   
     
     
         2 . The electric motor according to  claim 1 , wherein
 the engagement parts on said fan motor are provided on only one of the two end faces of said fan motor in the blowing direction of said fan motor, and   the engagement parts on said motor main body and the engagement parts on said casing have common structures with each other.   
     
     
         3 . The electric motor according to  claim 1 , wherein the engagement parts on said fan motor are provided on both of the two end faces of said fan motor in the blowing direction of said fan motor. 
     
     
         4 . The electric motor according to  claim 1 , wherein
 said fan motor has fitting parts which can fit with both said motor main body and said casing.   
     
     
         5 . The electric motor according to  claim 4 , wherein
 said fitting parts are formed on both of the two end faces of said fan motor in the blowing direction of said fan motor.