Dual flow condenser with through connections

Details Dual flow condenser with through connections Dual flow condenser with through connections

1983-04-08

1984-11-27

Ostrager, Allen M.

Heat exchange

Flow passages for two confined fluids

165170, F28F 922, F28F 314, F25B 2702

Patent

active

044846231

ABSTRACT:
A coiled heat exchanger utilizing a sandwich plate type construction with a plurality of spot welds equally spaced throughout, the plate being inflated to expand the passageways therebetween, has fluid tight connections feeding through the outside of the coil for accessing both passageways adjacent and opposite the center divider plate. One or more arcuate slots are punched in the center divider plate and surround a spot weld, with a larger hole punched in the adjacent outer plate and a tube welded against the divider plate to seal the arcuate slot and form a fluid connection between the passageway opposite the divider plate and the outside of the coil.

REFERENCES:
patent: 4111659 (1978-09-01), Bowley
patent: 4305456 (1981-12-01), Muell

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