Patent ID: 6267174
Filing Date: 2001-07-31
Classification: F28D,F28F

Abstract:
A heat exchanger through which air passes, the heat exchanger comprising:a first core portion having a plurality of first tubes through which a first fluid flows and performing a heat exchange between the first fluid and the air;a second core portion arranged in line with the first core portion in an air-flow direction in which the air flows, the second core portion having a plurality of second tubes through which a second fluid flows and performing a heat exchange between the second fluid and the air;a first tank disposed at a flow-path end of the first tubes to extend in a direction perpendicular to a longitudinal direction of the first tubes and to communicate with the first tubes;a second tank disposed at a flow-path end of the second tubes to extend in a direction perpendicular to a longitudinal direction of the second tubes and to communicate with the second tubes; anda first tank cap for closing an open end of the first tank in the direction perpendicular to the longitudinal direction of the first tubes, the first tank cap having a protrusion protruding from the first tank cap toward the second tank and contacting the second tank to form a gap between the first tank and the second tank.