Refrigeration cooling unit with non-uniform heat input for defro

Details Refrigeration cooling unit with non-uniform heat input for defro Refrigeration cooling unit with non-uniform heat input for defro

1978-04-04

1979-05-08

King, Lloyd L.

Refrigeration

Processes

Defrosting or frost inhibiting

62151, 62275, F25D 2100, F25D 2106

Patent

active

041529006

ABSTRACT:
A cooling unit for refrigeration systems having a substantially vertically disposed air cooling element, utilizing either a volatile or a non-volatile refrigerant, upon which element frost accumulates during the course of the refrigeration process. The element includes heaters to periodically warm the element to a temperature above 32.degree. F. to thaw the frost. These heaters have their heating capacity adjusted so that more heat is applied at the bottom portion of the frost-collecting air cooling element and less heat is supplied to the upper portion.

REFERENCES:
patent: 1998575 (1935-04-01), Furnas
patent: 2001323 (1935-05-01), Dick
patent: 2496143 (1950-01-01), Backstrom
patent: 3013399 (1961-12-01), Simmons et al.
patent: 3013400 (1961-12-01), Sharpe
patent: 3464224 (1969-09-01), Swanson
patent: 3756037 (1973-09-01), Raufeisen et al.
patent: 3834176 (1974-09-01), Clarke

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