Patent ID: 8739576

Claim:
A washing/drying machine which has a deodorization function for deodorizing a daily commodity by using cleaning air, the washing/drying machine comprising: a washing tub having a drain port; a water supply passage through which water is supplied into the washing tub, the water supply passage having a water supply trap portion; a drain passage through which water is drained out of the washing tub from the drain port, the drain passage having a drain trap portion; a heating means which heats cleaning air in the washing tub; a cleaning air supply means which supplies the cleaning air into the washing tub; a cleaning air elimination means which eliminates the cleaning air supplied into the washing tub; a separate water passage provided separately from the water supply passage, the separate water passage for supplying water directly to the drain port of the washing tub; and a control means including an operation period setting means which sets a deodorization operation period, the control means configured to form traps in the water supply trap portion and the drain trap portion based on an operation start signal, cause the cleaning air supply means to supply the cleaning air after the formation of the traps, cause the heating means to heat the cleaning air in the washing tub to maintain an inside air temperature of the washing tub within a predetermined temperature range, cause the cleaning air supply means to stop the supply of the cleaning air and turn on the cleaning air elimination means a predetermined period before an end of the deodorization operation period so as to eliminate the supplied cleaning air by the end of the deodorization operation period, supply a predetermined amount of water into the water supply passage to retain water in the water supply trap portion to form a water supply trap, and supply a predetermined amount of water directly into the drain port through the separate water passage to retain water in the drain trap portion to form a drain trap.