Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Patent
1994-10-17
1995-11-14
Flanigan, Allen J.
Metal working
Method of mechanical manufacture
Heat exchanger or boiler making
165166, B21D 5304
Patent
active
054654840
ABSTRACT:
A plate-fin type of heat exchanger (100) facilitates exchange of heat between two or more process streams (101, 102). It comprises a matrix (M) of two different types of heat exchange plate elements (P1, P2) inter-digitated with each other. Adjacent plate elements are metallurgically bonded together for good thermal contact by an activated diffusion bonding process. The plate elements (P1, P2) are high-integrity diffusion bonded sandwich constructions comprising two outer sheets (201, 203--FIG. 4) and a superplastically expanded core sheet structure (202) between the two outer sheets. The sandwich construction provides flow passages (P) for the process streams. Adjacent plate elements (P1, P2) carry different process streams (102, 102).
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Adderley Colin I.
Banks Simon A.
Boardman James E.
Fowler John O.
Flanigan Allen J.
Rolls-Royce and Associates
Rolls-Royce plc
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