Plate-type evaporator to suppress noise and maintain thermal...

Details Plate-type evaporator to suppress noise and maintain thermal... Plate-type evaporator to suppress noise and maintain thermal...

2007-09-04

2007-09-04

Walberg, Teresa J. (Department: 3744)

Heat exchange

Flow passages for two confined fluids

Interdigitated plural first and plural second fluid passages

C165S153000, C165S170000

Reexamination Certificate

active

11209500

ABSTRACT:
A heat exchanger assembly including a plurality of pairs of plates disposed in series for fluid flow from a pass through one pair of plates to a pass through the next pair of plates. Each pair of plates includes a central rib to define a U-shaped passage having a fluid entering leg and a fluid exiting leg interconnected by an open bottom interconnecting the legs below the lower end of the engaging central ribs. A plurality of dimples project into the passage to interact with fluid flow through the passage and each of the dimples has a hemispherical shape and a divider rib is disposed in the passage to co-act with the hemispherical dimples to reduce whistling noise.

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