A refrigerator comprising: a refrigerator main body having a storage chamber ; a cool air circulation passage arranged to guide air of the storage chamber ; and a fan-motor assembly arranged to circulate the air, wherein the fan-motor assembly comprises: a fan including a hub having a first accommodation space therein and a plurality of blades being disposed outside the hub ; a motor including a stator and a rotor , the stator having a plurality of stator coils , the motor located in a case , the case being disposed in the first accommodation space of the hub , the stator being disposed in the case , and the rotor having a rotational shaft coupled to the hub and being rotatably disposed in a rotor accommodation space of the stator ; and a support plate that is coupled to the case and supports the fan and the motor , characterized in that the case comprises: a first body ; a second body coupled to the first body to define a second accommodation space having a circular shape, in which the stator and the rotor are inserted; and a coupling rod protruding from one of the first body and the second body through a space between adjacent stator coils of the stator and coupling to another of the first body and the second body . a refrigerator main body having a storage chamber ; a cool air circulation passage arranged to guide air of the storage chamber ; and a fan-motor assembly arranged to circulate the air, wherein the fan-motor assembly comprises: a fan including a hub having a first accommodation space therein and a plurality of blades being disposed outside the hub ; a motor including a stator and a rotor , the stator having a plurality of stator coils , the motor located in a case , the case being disposed in the first accommodation space of the hub , the stator being disposed in the case , and the rotor having a rotational shaft coupled to the hub and being rotatably disposed in a rotor accommodation space of the stator ; and a support plate that is coupled to the case and supports the fan and the motor , characterized in that the case comprises: a first body ; a second body coupled to the first body to define a second accommodation space having a circular shape, in which the stator and the rotor are inserted; and a coupling rod protruding from one of the first body and the second body through a space between adjacent stator coils of the stator and coupling to another of the first body and the second body . a fan including a hub having a first accommodation space therein and a plurality of blades being disposed outside the hub ; a motor including a stator and a rotor , the stator having a plurality of stator coils , the motor located in a case , the case being disposed in the first accommodation space of the hub , the stator being disposed in the case , and the rotor having a rotational shaft coupled to the hub and being rotatably disposed in a rotor accommodation space of the stator ; and a support plate that is coupled to the case and supports the fan and the motor , characterized in that the case comprises: a first body ; a second body coupled to the first body to define a second accommodation space having a circular shape, in which the stator and the rotor are inserted; and a coupling rod protruding from one of the first body and the second body through a space between adjacent stator coils of the stator and coupling to another of the first body and the second body . a first body ; a second body coupled to the first body to define a second accommodation space having a circular shape, in which the stator and the rotor are inserted; and a coupling rod protruding from one of the first body and the second body through a space between adjacent stator coils of the stator and coupling to another of the first body and the second body . <EOS>