CONNECTION STRUCTURE FOR HEAT EXCHANGER

PROBLEM TO BE SOLVED: To reduce installation space, to reduce costs, and to improve operation efficiency. SOLUTION: The connection structure for the heat exchanger is for serially connecting a plurality of heat exchangers 21 and 22 provided with tanks 28, 29, 30 and 31 in end parts of cores 25 and 26. It is characterized by that it is composed such that a communication hole 42 is bored in an end face of each tank 28, 29, 30 and 31, a packing 43 is airtightly provided along a circumferential rim part of the communication hole 42, the packings 43 are connected by closely contacting them to each other, and the tanks 28, 29, 30, and 31 are communicated with each other via the communication holes 42. COPYRIGHT: (C)2006,JPO&NCIPI