Refrigeration – Display type – Means removing or preventing condensate on transparent panel
Patent
1987-06-03
1988-06-14
Tapolcai, William E.
Refrigeration
Display type
Means removing or preventing condensate on transparent panel
62256, A47F 304
Patent
active
047503351
ABSTRACT:
A refrigerated food display case of the closed front type is provided with an improved means for inhibiting the formation of condensation on the front display window. To this end, the display case includes means dividing chilled air circulated within the case, into primary and secondary air curtains flowing across the display window. A heating means mounted only within the secondary air passage operates throughout each refrigeration cycle, to heat only the chilled air flowing within the secondary passage, thereby forming it into a secondary air curtain interposed between the window and the primary, fully chilled flow of air that has passed through the primary air passage and hence has not been exposed to the heating means. The warm air curtain, impinging upon the surface of the window, inhibits the formation of condensate thereon, such as commonly occurs due to the disparity of ambient temperature and the lower, interior case temperature.
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Foy Robert M.
Wallace George E.
Hill Refrigeration Corporation
Tapolcai William E.
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