Patent ID: 7114553

Claim:
A heat exchanger for use with heated gas, comprising: (a) a first cylindrical member; adapted at one end to receive heated gas; (b) a first gas conduit and a second gas conduit positioned in parallel to the first cylindrical member; (c) a first collector box in communication with the first cylindrical member for dividing the gas flow from the first cylindrical member between the first and second gas conduits; (d) a third gas conduit and a fourth gas conduit positioned in parallel to the first gas conduit and the second gas conduit; (e) a first connector in communication with the first gas conduit for connecting the first gas conduit with the third gas conduit; (f) a second connector in communication with the second gas conduit for connecting the second gas conduit with the fourth gas conduit; (g) a second cylindrical member positioned in parallel with the third gas conduit and the fourth gas conduit; (h) a second collector box in communication with the third gas conduit and the fourth gas conduit for combining the gas flow from the third gas conduit and the fourth gas conduit into the second cylindrical member; and (i) means for creating a flow of the heated gas through the heat exchanger, wherein the means for creating a flow of gas through the heat exchanger comprises a blower positioned within the end of the second cylindrical member opposite the second collector box.