Patent ID: 8042283

Claim:
A washer-dryer comprising: an outer casing; a water tank placed within the outer casing; a rotary tank which is rotatably placed within the water tank and which contains therein washing loads; a fan unit for blowing air into the water tank during drying process; and a heating unit which is provided downstream of the fan unit and which heats air directed toward interior of the water tank, wherein the fan unit has: a blower fan; a fan motor for driving the blower fan into rotation; and a shaft having one end portion coupled to the blower fan and the other end portion coupled to the fan motor, and wherein the one end portion of the shaft is immersed in washing liquid fed into the water tank during washing process or rinsing process; and wherein the fan unit comprises: a seal member provided in adjacency to the shaft to maintain the blower fan and the fan motor watertight therebetween; and an aluminum cooling fan fixed integrally to the shaft so as to be positioned between the fan motor and a fan case and so as to function as a rotational radiation plate to draw heat away from the shaft for reducing thermal damage to the seal member.