Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1975-10-17
1978-02-07
Schwadron, Martin P.
Heat exchange
Movable heating or cooling surface
Rotary drum
34 20, 165 48, 165122, 425143, 366 69, F25B 2900
Patent
active
040721850
ABSTRACT:
Air-cooling apparatus for a heat-exchange jacket which surrounds the outside of a vertical extruder barrel. The apparatus comprises a hood which surrounds the jacket and includes a plenum chamber at one side of the jacket, an outlet opening at the opposite side of the jacket and a restricted inlet opening between the jacket and plenum chamber wherein the hood provides a through-passage between the inlet and outlet openings. Means are provided for forcing air into the plenum chamber to create a super-atmospheric pressure therein and provide an air flow through the through-passage. The hood also includes an outlet chamber adjacent the outlet opening which has the same vertical cross-sectional configuration as the plenum chamber to provide a balanced air draft condition on opposite sides of the heat-exchange jacket.
REFERENCES:
patent: 3167812 (1965-02-01), Von Bennigsen
patent: 3353212 (1967-11-01), Nelson
patent: 3394754 (1968-07-01), Schneeberg
patent: 3493036 (1970-02-01), Good
patent: 3743252 (1973-07-01), Schott, Jr.
patent: 3751014 (1973-08-01), Waterloo
patent: 3781132 (1973-12-01), Latinen
patent: 3799510 (1974-03-01), Schott, Jr.
patent: 3866669 (1975-02-01), Gardiner
patent: 3946803 (1976-03-01), Heitzer
Crompton & Knowles Corporation
Hershkovitz Abraham
Schwadron Martin P.
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