| 摘要 |
The invention relates to a heat exchanger ( 1 ), in particular, a gas cooler for a vehicle air-conditioning unit, comprising several flat tubes ( 2 ) arranged in two or more parallel rows, a collector tube ( 6 ), with one or more longitudinal separating walls ( 12 ), running along the longitudinal axis of the collector tube ( 6 ), dividing the collector tube ( 6 ) into two or more collector channels, whereby the collector tube ( 6 ) is embodied from two metal sheets ( 8 ) and openings ( 4 ) are provided in at least one of the metal sheets ( 8 ), for accommodating the ends of the flat tubes ( 2 ). Each longitudinal separating wall ( 12 ) is provided with tongue-like projections ( 14 ) arranged in grooves ( 16 ) in at least one of the metal sheets ( 8 ) and fixed on the outer side of the metal sheet ( 8 ). |
