Heat transfer assembly for a motor vehicle and method of assembling same

Claim 1

A heat transfer assembly for a motor vehicle comprising: a fin/tube block having flat tubes and corrugated fins, all tube ends of the flat tubes being widened for a flat and flush contact, two collection containers contacting the tube ends of the flat tubes and set on opposite sides of the fin/tube block at the tube ends, said collection containers gripping flush over the tube ends, and two side parts which extend over the length of the fin/tube block and contact opposite sides of the fin/tube block, wherein each collection container is structured with open side areas with respect to its longitudinal axis, and the side parts have respective end sections which close off the side areas of the collection containers, wherein each open side area has at least one inner contour that extends over a certain axial length of each collection container, and each end section is provided with an end contour which is adapted to one inner contour of a corresponding side area so that the end sections can be inserted flush into the side areas, wherein the collection containers can be hermetically brazed with the tube ends of the fin/tube block and the end sections of the side parts, wherein the end contour of each end section is made from an installation flange which extends axially with respect to a longitudinal axis of one of the collection containers and closes off flat against the inner contour of the corresponding side area, and wherein the end sections of the side parts are provided with securing elements with corresponding guidance parts, and the securing elements and the guidance parts grip each other in a security position.