Fin for a plate heat exchanger, methods for the manufacture...

Details Fin for a plate heat exchanger, methods for the manufacture... Fin for a plate heat exchanger, methods for the manufacture...

2007-05-22

2007-05-22

Flanigan, Allen J. (Department: 3744)

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

Reexamination Certificate

active

10674340

ABSTRACT:
A fin produced from thick sheet-metal and having a pattern reproduced in a general direction in accordance with a geometric pitch such that the ratio of the minimum thickness of the sheet-metal to the geometric pitch is greater than 0.2. The fin is obtained either by a hot-extrusion operation or by a material-removing machining operation.

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Patent Abstracts of Japan vol. 1997, No. 03, Mar. 31, 1997 -& JP 08 285486 A (Kobe Steel Ltd), Nov. 1, 1996 *ambrege; figures*.

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