Heat exchanger

Details Heat exchanger Heat exchanger

1989-04-28

1990-10-02

Cohan, Alan

Heat exchange

Movable heating or cooling surface

Hollow strirrer or scraper

165 96, F28F 504

Patent

active

049601687

ABSTRACT:
A heat exchanger fan having a hollow central shaft. Hollow blades are formed on the central shaft and a peripheral flange is attached to the distal ends of the hollow blades. The interior of the shaft communicates with the interior of the blades, and openings at the distal ends of the blades extend through the peripheral flange.

REFERENCES:
patent: 1561461 (1925-11-01), Choinski

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