LAMINATED HEADER, HEAT EXCHANGER, AND AIR CONDITIONING DEVICE

摘要

A stacking header 3 includes a first plate unit having a first inlet flow path and a first outlet flow path, a second plate unit attached to the first plate unit and having at least a part of a first passing flow path for refrigerant flowing from the first inlet flow path to pass through and at least a part of a second passing flow path for refrigerant to pass through to the first outlet flow path, and a first pipe connecting an end portion of the first passing flow path not communicating with the first inlet flow path and an end portion of the second passing flow path not communicating with the first outlet flow path, to constitute a first turnback flow path.