Patent ID: 8162730

Claim:
A ventilator device for a transportable freight container, the device comprising: a main body for positioning over an airflow vent formed in the external surface of a freight container; a first compartment region positioned at said main body comprising an air outlet to allow air flow communication between the first compartment region and the vent of the freight container; a second compartment region positioned at the main body comprising an air inlet to allow air flow into the second compartment region; a partition means to separate the internal fluid communication between the first compartment region and the second compartment region, the partition means comprising at least one aperture to allow air flow communication between the first compartment region and the second compartment region; a float housed within the second compartment region configured to shuttle back and forth against the aperture, the float configured to move in to engaging contact with the aperture of the partition to prevent fluid from flowing from the second compartment region to the first compartment region and in to the interior of the freight container; and a manual actuator connected to the float to provide manual control of the position of the float within the second compartment region and to move the float in contact with the aperture to prevent fluid flow through the device, wherein the manual actuator comprises a lever positioned external of the second compartment.