Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Patent
1991-02-19
1991-12-10
Flanigan, Allen J.
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
165170, 29 61, B21D 5304
Patent
active
050706071
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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patent: 3348290 (1967-10-01), Broverman et al.
patent: 3408723 (1968-11-01), Myers
patent: 4820355 (1989-04-01), Bampton
Boardman James E.
Fowler John O.
Flanigan Allen J.
Rolls-Royce plc
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