Refrigeration – With means preventing or handling atmospheric condensate... – By external heater
Patent
1976-10-13
1978-05-30
Bartis, A.
Refrigeration
With means preventing or handling atmospheric condensate...
By external heater
219201, 219301, 219365, 219530, 219534, 219540, 338316, F25D 2108, H05B 300
Patent
active
040916375
ABSTRACT:
Apparatus for defrosting a heat exchanger, comprises a plurality of spaced parallel heat exchanger fins having sets of circular, collared, axially aligned apertures. The collars of each set coacting to define an essentially continuous tube. Refrigerant tubes pass through the essentially continuous tubes defined by a majority of the sets of apertures and are sized for engagement by the collars of the apertures in intimate heat conductive relation. Axially replaceable electrical heating elements traverse the essentially continuous tubes defined by a minority of sets of apertures instead of refrigerant tubes and the heating elements are sized to fit loosely in the apertures so the heat is transmitted from the element to the collars both by radiation and by conduction and so that axial relative movement between the elements and the collars is enabled.
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patent: 3280581 (1966-10-01), Turner
Peterson Dean R.
Vogel Kenneth E.
Bartis A.
McQuay-Perfex Inc.
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