Patent ID: 6786275
Filing Date: 2004-09-07
Classification: F28D,F28F

Abstract:
A manifold for a heat exchanger comprising a plurality of tubes arranged to receive fluid therein, a plurality of fins for interspacing the tubes, the fins extending along the length of the tubes to thereby define a core section, said manifold comprising:a header section including: a tray portion; a plurality of collar raised above said tray portion and defining tube slots through which said plurality of tubes of said core section pass, said tube slots defining a first inner surface providing a first brazing interface with said tubes of said core section; and at least one wall section extending from a periphery of said tray portion, said wall section extending in a downward direction away from said plurality of collars and defining a second inner surface providing a second brazing interface with said plurality of tubes of said core section; wherein said first inner surface and said second inner surface define a multi-point brazing interface for securing said header and said core section during a brazing process.