Patent ID: 6662863
Filing Date: 2003-12-16
Classification: F28F,Y10S

Abstract:
A heat exchanger tank structure comprising:a tank body formed from a bent metal plate in the shape of an elongated groove, said tank body having a bottom and two parallel sidewalls; a tube plate having an open side which confronts said bottom of said tank body, said open side adapted to securely be fitted to said tank body; said bottom of said tank body having one or more first slits formed over the full width of said bottom in a parallel relationship in the width direction; and a metallic reinforcement member having an outer periphery which conforms to the contour of said tank body, said reinforcement member having at its top a slit fitting portion which mates with said first slit, said reinforcement member having at its both sides a pair of second slits into which said two sidewalls are inserted; wherein the top of said reinforcement member is fitted in said first slit of said tank body, with said pair of second slits of said reinforcement member clamping both sides of said tank body, to thereby provide a liquid-tight connection therebetween.