Patent ID: 6378342
Filing Date: 2002-04-30
Classification: D06F

Abstract:
A washer-dryer comprising:an inner tub for receiving a wash load, said inner tub having an approximately cylindrical shape and being rotatable around a substantially vertical axis; an outer tub housing said inner tub; a separation board covering a top part of said outer tub, said separation board being operable to prevent air from escaping; a faucet being disposed in said separation board; a water supply valve being operable to supply water into said inner tub; a water supply duct coupling said faucet to said water supply valve; agitation means for agitating the wash load, said agitation means being freely rotatable and being provided inside of said inner tub, wherein said agitation means comprises a pulsator having a sloped surface around an outer circumference of said pulsator and a plurality of ribs extending in radial directions across said sloped surface as far as an outer edge of said pulsator; a motor being operable to rotate said inner tub or said agitation means; a connection duct being operable to receive humid hot air from a bottom part of said outer tub; a heat exchanger being operable to cool and dehydrate the humid hot air; a hot air supply channel operable to supply air into said inner tub; heating means for heating air supplied from said heat exchanger; a drying air blower operable to deliver the air supplied from said heat exchanger into said inner tub via said hot air supply channel; control means for controlling each respective process of washing, rinsing, spin-drying and drying, by exerting control on operations of at least said motor, said heating means, said drying air blower.