Low temperature display case

Refrigeration – Display type – With air controlling or directing means

Patent

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Details

62285, A47F 304

Patent

active

057619220

ABSTRACT:
Provided is a low temperature display case, which comprises: a duct that is so formed that it communicates with a rear and a lower portion of a storage chamber having an opening at the front, an evaporator that is provided upright in a duct at a rear location, a blower for discharging, from an upper edge of the opening of the storage chamber, air that is cooled at the evaporator by heat exchange, a drain pan that is located at a bottom level of the duct and that is inclined downward toward a drain hole, defrosting heaters that are provided in a lower portion of the duct and that are located forward of a position under the evaporator, and a sharply sloped portion that is provided on the drain pan below the evaporator and that is inclined at a greater angle toward the drain hole than is the drain pan; wherein to defrost the evaporator a refrigerant at a high temperature is fed into the evaporator, and heat is generated by the defrosting heaters.

REFERENCES:
patent: 2513675 (1950-07-01), Quillen
patent: 3182466 (1965-05-01), Beckwith
patent: 4117698 (1978-10-01), Vogel
patent: 4145893 (1979-03-01), Vogel
patent: 4690209 (1987-09-01), Martin
patent: 5475988 (1995-12-01), McGovern

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