| 摘要 |
A heat exchanger, radiator or air conditioning condenser comprises tubes 2, constructed from plates 4, joined to plate 5, each plate having dimples 9 that project toward the inside of the tube 2 and are joined to the other plate; and ridges 10 that project externally of the tube 2 and are joined to an adjacent plate. The tubes further have open ends of height H, higher than the height h of tube body 2, and adjacent tubes contact each other via faces 4a and 5a at the ends. Where the plates 4 and 5 are joined at their edges plates 4 and 5 their walls 4b and 5b overlap. The plates 4 and 5 may be made of aluminium, which comprise a high strength aluminium alloy with an aluminium brazing cladding and may be bonded together by a diffusion bonding process. Fluid flows through the tube as arrow A (fig 1) and air flows transversely across the tube as arrow B (fig 1). |
