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(11) | EP 0 179 646 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Heat exchanger fin arrays |
(57) Heat exchanger fin (12) arrays of uniform width are made and are subsequently divided
lengthwise into arrays of smaller width. A pattern (11) of weaknesses is provided
for facilitating lengthwise division. Before such division, the array may be attached
to a uniform number of heat exchange elements (13) to form a heat exchanger sub-assembly
of uniform size. Lengthwise division then produces smaller sub-assemblies. The invention
allows flowline production of heat exchangers of a wide variety of different sizes
and utilizing fin forming and welding apparatus at or near full capacity. |