Patent ID: 6619380
Filing Date: 2003-09-16
Classification: F01P,F16K,Y10T

Abstract:
A heat exchanger (10) comprising;at least one manifold (12) having walls (14) defining a chamber for retaining fluid therein with a reservoir (36) disposed at a bottom of said chamber; a plurality of tubes (16) connected to said manifold (12) and in fluid communication with said chamber; a plurality of corrugated fins (18) interconnecting said tubes (16); a drain port (20) mounted to said manifold (12) and in selective fluid communication with said reservoir (36) for selectively draining the fluid from said manifold (12); and a frangible wall (40) disposed between said drain port (20) and said reservoir (36) to close said drain port (20) and prevent fluid communication between said drain port (20) and said reservoir (36), said frangible wall (40) being fracturable from the manifold to provide said fluid communication between said drain port (20) and said reservoir (36) for draining the fluid from said manifold (12).