Patent ID: 6997248
Filing Date: 2006-02-14
Classification: F28D,F28F,Y10S

Abstract:
1. A charge air cooler for cooling a first gas having a first temperature and that passes through heat transfer tubes by flowing a second gas having a second temperature over the surface of the tubes, wherein the first gas temperature is different than the second gas temperature, the cooler comprising: plural rows of heat exchange tubes formed of copper or a copper alloy that have a substantially round cross-section, with the first gas passing through the tubes, and with some of the rows being arranged in a first configuration which allows the second gas to flow in a first direction and other rows being arranged in a second configuration where the second gas must change direction to continue to flow past the rows of tubes, with each row forming an angle of about 10 to about 30 degrees with respect to a horizontal center line of the charge air cooler; and first and second manifolds that have substantially round cross-sections in fluid communication with the tubes and being located at each end of the plurality of rows of the tubes, such that each end of each tube is connected to one of the manifolds, wherein the cooler can withstand operation at pressures greater than about 3 bars and temperatures greater than about 250° C.