Patent attributes
An evaporator including a heat exchange core of tube groups in plural parallel rows in a front-rear direction, each including plural heat exchange tubes in a left-right direction at a spacing, and a tank at the heat exchange core lower end and having headers in the front-rear direction. The heat exchange tubes are joined to the headers, while inserted through respective tube insertion holes in a top wall of the header. Adjacent headers connect to each other by a connector providing a drain gutter with front, rear opposite side faces extending respectively forwardly, rearwardly away from each other as the side faces extend upward. Each insertion hole has one end adjacent to the connector positioned in the drain gutter side face and each heat exchange tube has a side end adjacent to the connector positioned in the drain gutter. The connector has drain holes extending therethrough.
