Patent attributes
A heat exchanger assembly has a front portion, a middle portion rearward of the front portion, a rear portion rearward of the middle portion, a top part and a bottom part disposed below the top part. At least one of the front and rear portions is curved from the middle portion. The at least one of the front and rear portions extends below the middle portion. The bottom part is joined to the top part. At least one of the top and bottom parts defines a recess. The top and bottom parts define therebetween a passage formed in part by the recess. A width of the passage varies along a length of the heat exchanger assembly. The passage has an inlet and an outlet. A snowmobile with a heat exchanger assembly and a method of manufacturing a heat exchanger assembly are also disclosed.