Patent ID: 8863405

Claim:
A clothes dryer, comprising: a cabinet in which a drum is rotatably installed; a circulation passage which becomes a path of the air passing through the drum in the cabinet to dry the clothes; a heat exchanger comprising an evaporator, a compressor, an expansion valve and a condenser to cool and heat the air in the circulation passage; an inlet port provided on a surface of the cabinet through which the outdoor air flows; a discharge wall upwardly projecting from a bottom surface of the cabinet and being configured to discharge the outdoor air therethrough toward beneath the bottom of the cabinet, the discharge wall having a first wall surface; and an outlet port provided on the first wall surface to discharge outdoor air, wherein the outdoor air flowing into the cabinet through the inlet port is discharged through the outlet port, thus forming an outdoor air passage, the outdoor air passage is independent from the circulation passage, the first wall surface is configured such that the outlet port opens toward a downstream of the outdoor air passage and the compressor is provided in the outdoor air passage to exchange heat with the outdoor air.