Apparatus for manufacturing enhanced heat transfer surface

Details Apparatus for manufacturing enhanced heat transfer surface Apparatus for manufacturing enhanced heat transfer surface

1987-08-05

1988-08-23

Rosenbaum, Mark

Metal working

Means to assemble or disassemble

Heat exchanger

291573A, 72 98, 72370, B23P 1526

Patent

active

047650583

ABSTRACT:
An apparatus for producing a high performance evaporator tube having a subsurface channel formed between adjacent helical fins with the subsurface channels having alternating closed portions and open pores above the subsurface channels. The fins of the tube are rolled-over toward the adjacent fin and then contacted with a notched disc to form the alternating closed portions and open pores.

REFERENCES:
patent: 3906604 (1975-09-01), Kakizaki et al.
patent: 4425696 (1984-01-01), Torniainen
patent: 4692978 (1987-09-01), Cunningham et al.

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