Patent ID: 8202145

Claim:
In combination: a truck body having a selectively closable body compartment with an upper wall; said upper wall having an air inlet opening formed therein; an air blower including an air inlet and an air discharge; said air blower being positioned on said upper wall exteriorly of said body compartment so that said air discharge thereof is in communication with said air inlet opening in said upper wall so that said blower may force air into said body compartment; an air filter associated with said air blower which filters the air being drawn into said air inlet; said air blower including a blower housing; said air blower including a horizontally disposed impeller, having opposite ends, rotatably mounted in said blower housing about a horizontal axis; said blower housing having an air inlet formed therein at each end of said impeller; said blower housing including a lower end; said air discharge of said blower being positioned at said lower end thereof; and a cylindrical air duct, having upper and lower ends, extending around said air blower in a spaced relationship with respect thereto; said lower end of said air duct being in engagement with said upper wall of said storage compartment and extending upwardly therefrom.