CONDENSATION PREVENTING VENT STRUCTURE

摘要

A CONDENSATION PREVENTING VENT STRUCTURE HAS THEREIN AT LEAST ONE BLADE INCLUDING AN INNERMOST VENT TO DEFINE A PASSAGE FOR A FLOW OF AIR. THE INNERMOST FIN IS PROVIDED WITH OPEN UPPER AND LOWER ENDS TO DEFINE THEREIN AN INNER AIR FLOW PASSAGE.AN AIR FLOW DAMPER IS PROVIDED ABOVE OR IN THE INNERMOST FIN TO RESTRICT THE AIR FLOW IN THE CENTRAL PORTION OF THE FLOW PASSAGE.