PURPOSE: To securely prevent dewing inside a container by a method wherein an air blower is provided at an air exhaust outlet of the container for transporting a large amount of cargoes and actuated when the container wall temp. or temp. change per unit hour inside the container is not lower than a predetermined value.
CONSTITUTION: An air inlet 200 is formed on the upper part of a door installed at the front opening of a container 100 and an air exhaust outlet 201 is formed on the upper part of the rear wall thereof in a position apart diagonally from the air inlet 200. An air inlet unit so constructed as to prevent the intrusion of rainwater by a baffle plate is provided at an air inlet 210 and an air exhaust unit 220 having an air blower 230 driven by a dry battery is provided at the air exhaust outlet 201. The air exhaust unit 220 is also provided with a wall temp. sensor and a control unit for inputting an electric signal from an inner container temp. sensor and, when either container wall temp. or a change in the inner container temp. per unit hour is not lower than a predetermined value, the air blower 230 is actuated.
KONDO FUMINOBU
MURAMATSU TORU
KOKUBO NAOCHIKA
NIPPON DENSO CO