Method of making a multiple cell condensing heat exchanger

Details Method of making a multiple cell condensing heat exchanger Method of making a multiple cell condensing heat exchanger

1986-07-03

1990-01-30

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

291573R, B21D 5302

Patent

active

048964115

ABSTRACT:
A gas fired condensing furnace comprising a multiple cell condensing heat exchanger is provided wherein each condensing heat exchanger cell has a condensing flow passage of serpentine shape formed from a single flat sheet metal blank. The condensing heat exchanger cell is formed to be compact in size and to minimize heating fluid side pressure drop therethrough. The condensing flow passage for each condensing heat exchanger cell provides high velocity fluid flow therethrough for increasing its heat transfer characteristics.

REFERENCES:
patent: 3757856 (1973-09-01), Kun
patent: 4298061 (1981-11-01), Hoeffken

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