Heat transfer device and method of making same

Details Heat transfer device and method of making same Heat transfer device and method of making same

1997-12-09

2000-02-01

Lazarus, Ira S.

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

165DIG906, 165153, 165DIG505, 165DIG486, F28F 300

Patent

active

060191694

ABSTRACT:
Finned-tube blocks of charge air coolers of stacked construction are provided with end strips forming a tube bottom. Side surfaces of the end strips adjoining the coolant ducts are configured as exterior surfaces of lips projecting in a direction of the corrugated fins, the tips of these lips not touching the corrugated fins. The end strip cross-section, however, uniformly increases toward the side facing away from the corrugated fins. This further development leads to a considerable reduction of thermal induced tension peaks and therefore contributes to lengthening the useful life of charge air coolers provided with such finned-tube blocks.

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patent: 4434845 (1984-03-01), Steeb
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patent: 5538079 (1996-07-01), Pawlick
patent: 5845701 (1998-12-01), Ruppel et al.
Search Report 04/16/1997 ,Gremany.

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