Heat exchange – Three non-communicating fluids
Patent
1993-06-04
1994-04-19
Rivell, John
Heat exchange
Three non-communicating fluids
165144, 165148, F28F 926
Patent
active
053037707
ABSTRACT:
A modular heat exchanger includes unitary finned tubular core elements which can be assembled into a multi-module heat exchanger without any brazed, soldered or welded connections. The heat exchanger may be constructed to be fully disassemblable or, in another embodiment, larger subassemblies of modules welded together may be used to provide units which are partly disassemblable to effect easy field replacement. The modules are preferably made from extruded aluminum blocks into which the heat exchanging fins are cut and into the ends of which flow accumulating passages may be bored. The modules are clamped together with tie rods and the sealed joints are positioned to be automatically compressed into sealing engagement upon tightening the tie rods.
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