Patent ID: 6427768
Filing Date: 2002-08-06
Classification: B23K,F28D,F28F,Y10S

Abstract:
A heat exchanger comprising:a heat exchange core (110) having a fluid passage (113) through which a fluid flows, for executing heat exchange of said fluid flowing inside said fluid passage; a casing (120) having openings (120a, 120b ) for inserting said heat exchange core, for storing said heat exchange core; fall preventing members (130, 140, 180, 190) to prevent said heat exchange core from falling from said casing, brazed to said casing after being fixed to said casing; and seal surface plates (150, 160) finished to predetermined surface texture, and brazed to at least one of the sides of said fall preventing members and said casing after said heat exchange core and said fall preventing members are fixed to said casing.