HEAT EXCHANGER AND ASSOCIATED METHOD

摘要

A heat exchanger (10) for cooling vehicle a machine fluid and associated method. The heat exchanger (10) includes an inlet tank (12), an outlet tank (14), and a plurality of heat transfer tubes (16) connecting the inlet tank (12) to the outlet tank (14), wherein the tubes (16) are substantially flat extrusions. A plurality of dimples (46) can be extruded on at least one flat side (38) of each tube (16).