Rear load refrigerated display case

Details Rear load refrigerated display case Rear load refrigerated display case

2006-03-14

2006-03-14

Tapolcai, William E. (Department: 3744)

Refrigeration

Processes

Circulating external gas

C062S255000, C062S256000

Reexamination Certificate

active

07010924

ABSTRACT:
A refrigerated display case reduces the temperature of refrigerated items in the front of the case and achieves a tighter temperature range within the case. Air drawn from a cooler is further cooled by a coil. Some of the cold air is discharged along the front of the case as an air curtain is and drawn by fans back into the cooler. The remaining cold air is directed to a duct in the rear of the case. Openings in the duct allow air to flow across the refrigerated items towards the front of the case, further reducing the temperature of the refrigerated items in the front of the case. To prevent refrigerated items in the rear of the case from freezing, air entering the duct is warmed with air that bypasses the coil.

REFERENCES:
patent: 2962875 (1960-12-01), Barroero
patent: 2984085 (1961-05-01), Rainwater
patent: 3119241 (1964-01-01), Wile
patent: 3168818 (1965-02-01), Weber
patent: 3218822 (1965-11-01), Bentley et al.
patent: 4117697 (1978-10-01), Myers et al.
patent: 4124996 (1978-11-01), Kennedy et al.
patent: 4299099 (1981-11-01), Myers et al.
patent: 5097673 (1992-03-01), Negishi
patent: 5502979 (1996-04-01), Renard
patent: 6145327 (2000-11-01), Navarro

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