COLLECTOR PLATE, CORRESPONDING HEADER BOX AND CORRESPONDING HEAT EXCHANGER

摘要

The invention relates to a collector plate (11) for a heat exchanger (1), the collector plate (11) comprising:a peripheral groove (21) having a bottom (22),at least one upper step (25) protruding with respect to the bottom (22) of the said groove (21) over a predefined height (H1), andat at least one longitudinal end of the collector plate (11), an intermediate portion (27) between the upper step (25) and the said groove (21),;According to the invention, at the said at least one longitudinal end of the collector plate (11), the said groove (21) has an inner wall (23), at least one section of which connects the intermediate portion (27) to the bottom (22) of the said groove (21) and extends over a height (H2) which is not zero and is less than the height (H1) of the upper step (25).;The invention also relates to a corresponding header box (3) and a corresponding heat exchanger (1).