Patent ID: 7673672

Claim:
A heat exchanger comprising: a plurality of tubes; a plurality of fins, each of said fins being disposed adjacent at least one of said plurality of tubes; a pair of side plates, each of said side plates being disposed adjacent an outermost fin; a pair of core plates, each of said core plates being disposed at a longitudinal end of said tubes and said side plates, each of said core plates defining a plurality of tube holes and a pair of side plate through holes, each of said plurality of tubes extending through a respective one of said plurality of tube holes, each of said pair of side plates extending through a respective one of said pair of side plate through holes; and a pair of tanks, each of said tanks engaging a respective core plate to define a sealed space, each of said longitudinal ends of said tubes being disposed within a respective sealed space, each of said longitudinal ends of said side plates being disposed outside of said sealed spaces, wherein each of said longitudinal ends of said side plates also protrude into a respective separate cavity defined by an outer portion of each of said tanks, said longitudinal ends of said side plates positioned through said through holes and free from contact with any wall of said respective separate cavity.