Patent ID: 7096986

Claim:
A vehicle comprising: chassis structure defining an enclosed packaging space; body structure separable from and interchangeable with the chassis structure and defining an enclosed cockpit space; at least one of the chassis structure and body structure defining an interface therebetween for at least partially defining the enclosed cockpit space and the enclosed packaging space; a first passageway defined by the body structure and configured to receive ram air for circulation throughout the cockpit space; and a second passageway defined by the chassis structure and configured to receive ram air for circulation through the packaging space; wherein the definition of the first passageway includes a pair of spaced ram air inlets, a pair of spaced hollow longitudinal roof rails respectively in communication with the pair of ram air inlets, and a pair of spaced hollow transverse rails in communication with the pair of spaced hollow longitudinal roof rails to form a circumambient air flow circuit having outlet openings in communication with the enclosed cockpit space.