Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1980-12-22
1983-02-01
Richter, Sheldon J.
Heat exchange
Movable heating or cooling surface
Rotary drum
165 87, 165 94, F28D 1102, F28G 1504
Patent
active
043710328
ABSTRACT:
An improved heat transfer system of the helical screw type, including endless loop guided volute passage driven scraping means for continuously cleaning the helical screw heat transfer member to prevent the build-up of workable material on an outer surface of the helical screw, while at the same time minimizing the power necessary for rotating the helical screw.
REFERENCES:
patent: 2838780 (1958-06-01), Kean
patent: 3216271 (1965-11-01), Erdmenger
patent: 3255814 (1966-06-01), Zimmermann et al.
patent: 3628602 (1971-12-01), Brunner
patent: 3775041 (1973-11-01), Buttner
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