Patent ID: 7281572

Claim:
A heat exchanger for an air-conditioning system in a motor vehicle, comprising: a plurality of tubes; at least one collecting tube in communication with the plurality of tubes; and at least one connecting flange connected in a leak-proof manner to the at least one collecting tube at one side of the collecting tube, wherein the at least one connecting flange is configured to be connected to a line, wherein the at least one connecting flange and the at least one collecting tube are joined in a positive fit by a connector, wherein the connector is positioned on the collecting tube, is received in a positive fit in a receiving opening in the connecting flange, and has a flow passageway through it, wherein the connecting flange comprises a connecting end on the collecting tube side which is shaped to fit the contour of the collecting tube and a duct which communicates with the collecting tube, and wherein the duct in the connecting flange is axially aligned with the connector flow passageway.