US Patent 8104302 Low-temperature showcase

There is disclosed a low-temperature showcase in which dew condensation water from outer surfaces of transparent walls is securely treated and in which air can smoothly be blown from a mechanical chamber to the outer surfaces of the transparent walls. The low-temperature showcase includes a showroom having the transparent walls, the mechanical chamber constituted under this showroom, and a cooling unit constituted of a compressor, a condenser, a fan for the condenser and the like arranged in the mechanical chamber. The low-temperature showcase further comprises blow-off portions which are formed at lower portions of the transparent walls and which blow air discharged from the fan for the condenser in the mechanical chamber toward outer surfaces of the transparent walls, and water receiving portions which are defined between the blow-off portions and the outer surfaces of the transparent walls and which allows inflow of dew condensation water flowing down along the outer surfaces of the transparent walls.