Heat exchanger

Heat exchange – Movable heating or cooling surface – Hollow screw type impeller

Patent

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Details

165 92, 165 86, 416 96R, F28F 506

Patent

active

048565806

ABSTRACT:
A conveying screw having a tubular helical flight attached only at its opposite end portions to a hollow conveying screw body. Heat exchange medium introduced into the hollow body is transferred along the tubular helical flight.

REFERENCES:
patent: 2610033 (1952-09-01), Rietz
patent: 2639898 (1953-05-01), Reich
patent: 2761657 (1956-09-01), Rietz
patent: 3263748 (1966-08-01), Jemal et al.
patent: 3486740 (1969-12-01), Christian
patent: 4398607 (1983-08-01), Reichardt
patent: 4429782 (1984-02-01), Pierson
patent: 4596286 (1986-06-01), Stetler

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