Patent ID: 8186184
Filing Date: 2012-05-29
Classification: D06F

Abstract:
1. A washing-drying/drying machine comprising: a heater to generate hot air; a rotatable drum in which laundry is placed to be dried; a tub configured to encompass the drum and allow the hot air to flow in and out, the tub having a cooling water supply hole configured to allow cooling water to flow in and a water flow passage for the cooling water; and a plate provided in the tub, the plate configured to form the water flow passage between the plate and an inner surface of the tub and a hot air flow passage between the plate and the drum wherein the water flow passage includes a gap(t) which is determined based on an equation t=4r/(pghx), wherein t is a width of the gap, r is a surface tension constant, p is density of water, g is the acceleration of gravity, h is a longitudinal length of the water flow passage, and x is a number in a range 0<x<=0.5.