F - Mech Eng,Light,Heat,Weapons – 28 – D
Patent
F - Mech Eng,Light,Heat,Weapons
28
D
F28D 9/00 (2006.01) F28D 1/02 (2006.01) F28F 1/16 (2006.01) F28F 3/04 (2006.01)
Patent
CA 2117566
A heat exchanger has a core assembled of integrally formed modules (11). Each module encloses channels (17) separated by strengthening webs (16) and its large, flat, external faces carry respective arrays of fins (18, 19). By stacking the modules, with facing arrays of fins interleaving, further channels (20) are formed. The enlarged surface area of channels (20) compared with channels (15) (preferably these surface areas are in a ratio of over 7:1) makes the stack of modules suitable for heat exchange between parallel counterflows of fluids of differing heat capacities. Preferred apparatus has air fan-forced, via straight manifolds, through channels (20) - the interleaved fins serving to even out air temperatures and speeds across the channels' widths - whilst the ends of channels (17) are closed and a liquid (or liquids) enters and leaves channels (17) at right angles thereto although once in the channels (17) the liquid flows in parallel counterflow to the air flow.
Jurisich Milne
Melanesia International Trust Company Limited
Ridout & Maybee Llp
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