Patent ID: 8205667
Filing Date: 2012-06-26
Classification: B23P,F16L,F28D,F28F,Y10T

Abstract:
1. A heat exchanger comprising: a plurality of tubes; a pair of header tanks coupled to opposite ends of the plurality of tubes communicating with the plurality of tubes; and a connector coupled to one of the pair of header tanks, wherein the connector has a substantially tubular shape and includes a female joint part to be coupled to a male joint part of an external pipe and a tubular part that extends from the female joint part and has a closed end on a side opposite to the female joint part, and the connector is disposed such that a side wall of the tubular part is located on an outer peripheral wall of the header tank, the header tank is formed with a fixing hole and a plurality of projections on a perimeter of the fixing hole, the female joint part includes an insertion portion into which the male joint part is to be fitted, the insertion portion is configured to receive the male joint part such that an end of the male joint part is inserted to a position where at least one of the projections is formed, and the projections are configured such that they don't interfere with the end of the male joint part.