Heat exchangers and methods of manufacture thereof

Details Heat exchangers and methods of manufacture thereof Heat exchangers and methods of manufacture thereof

1995-03-27

1996-04-09

Flanigan, Allen J.

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

29890042, F28F 314

Patent

active

055052568

ABSTRACT:
It is common practice to assemble heat exchangers from a multitude of pre-formed and sometimes extremely delicate pieces. The pieces have to be held in jigs along with appropriately placed braze material and then heated to achieve brazing. The invention takes advantage of the ability which some materials have, to considerably extend their areas without rupturing, by using such materials in that they are assembled in the flat condition and then diffusion bonded, followed by inflation of the parts of the assembly which are to provide the fluid passageways, inlet manifolds and headers. The construction of heat exchangers is thus considerably simplified.

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RRA Leaflet (undated).
Article in "Chemical Engineer", Dec. 1986, pp. 36-38.
AGARD-LS-154 "Superplasticity" Sep. 1987.

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