Uni-directional fin-and-tube heat exchanger

Details Uni-directional fin-and-tube heat exchanger Uni-directional fin-and-tube heat exchanger

1986-09-08

1987-12-01

Davis, Jr., Albert W.

Heat exchange

With impeller or conveyor moving exchange material

Mechanical gas pump

165151, 165182, F24B 106

Patent

active

047097531

ABSTRACT:
A fin-and-tube heat exchanger designed for one-way airflow, in which louvers, formed from the fin stock, progressively increase in length from the fin leading edge to its trailing edge. Their end walls channel air into stagnant air spaces behind the tubes. The tube collars may be offset somewhat toward the fin trailing edge, further reducing the stagnant air zones. In those bent heat exchangers in which air flows in from outside the curve, offsetting the collars also lessens the angular convergence of fin trailing edges inside the curve and presents less resistance to airflow.

REFERENCES:
patent: 2023739 (1935-12-01), Mason
patent: 2532301 (1950-12-01), Hayward
patent: 2610484 (1952-09-01), Lange
patent: 3438433 (1969-04-01), Gunter
patent: 3478821 (1969-11-01), Fieni

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