PLATE-TYPE HEAT EXCHANGER, ESPECIALLY OIL/COOLANT CHILLER IN VEHICLES

摘要

Disclosed is a heat exchanger comprised of a collar-fitted (4) stacked plates (2, 2') having a connecting element (12), connecting holes (5) and fastening means consisting of at least one passage (15) with self-aligned holes in said plates (2, 2') and in the connecting plate (26) and through which a tie-rod can be inserted, whereby one end of the tie-rod rests upon the connecting plate (26) or the adjacent heat exchanger plate (2, 2') and the aligned holes (6, 27) of each heat exchanger plate (2, 2') are tight in relation to the next adjacent heat exchanger plate (2, 2').