Patent ID: 6851468

Claim:
A heat exchanger suitable for use as a refrigerant condenser, comprising: a block of tubes and fins and collecting tubes which are arranged on both sides and receive the ends of the tubes; a collector which is arranged adjacent and parallel to one collecting tube and is in refrigerant communication with the collecting tube via two overflow openings, said collector comprising a tube; and means, including at least one additional structural part of the heat exchanger, for producing a temporary mechanical engagement between the collector and the adjacent collecting tube, said engagement producing means being sufficient to hold the collector and collecting tube in relative position for final permanent connection thereof, wherein the engagement producing means comprises (1) a cover for covering one end of the collector, the cover including a lateral extension part, and wherein the cover with the extension part is connected both to the tube of the collector and also to the adjacent collecting tube and (2) at least one of apertures and projections which engage in the overflow openings of the collector.