Outside air circulation system for walk-in coolers

Details Outside air circulation system for walk-in coolers Outside air circulation system for walk-in coolers

1990-12-27

1992-09-08

Bennet, Henry A.

Refrigeration

Gas controller or director

Cooled gas directed relative to cooled enclosure

62409, 62411, 62412, 62180, F25D 1704, F25D 1706

Patent

active

051448165

ABSTRACT:
The air circulation system includes a fan unit for discharging filtered ambient air below a predetermined temperature into a walk-in cooler through a damper and exhausting warm air out of the walk-in cooler through a damper by using a discharge fan with the supply fan and discharge fan being controlled by an accustat. The fans, inlet filter and damper are incorporated into a generally rectangular housing that can be easily installed in a wall of a walk-in cooler or other similar enclosure with the air supply being ducted if desired.

REFERENCES:
patent: 4023947 (1977-05-01), Ferry
patent: 4147038 (1979-04-01), Hoebing et al.
patent: 4175401 (1979-11-01), McManus
patent: 4178770 (1979-12-01), Fox
patent: 4245481 (1981-01-01), McDermott
patent: 4358934 (1982-11-01), Van Kirk
patent: 4478138 (1984-10-01), Venditti et al.

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