Conditioned and controlled air vestibule for refrigerated wareho

Details Conditioned and controlled air vestibule for refrigerated wareho Conditioned and controlled air vestibule for refrigerated wareho

1999-02-13

2000-08-22

Joyce, Harold

Ventilation

Having protecting air current

Including plural, layered currents

454191, 454192, F24F 900

Patent

active

061063878

ABSTRACT:
An improved, low-cost conditioned air vestibule for use on a doorway of a refrigerated storage room permits unobstructed passage of vehicles while effectively reducing the exchange of air through the doorway and substantially eliminating precipitation both inside and outside the doorway.

REFERENCES:
patent: 2775187 (1956-12-01), McClurkin
patent: 3143952 (1964-08-01), Simons
patent: 3207056 (1965-09-01), Flebu
patent: 3282193 (1966-11-01), Jennings
patent: 3331303 (1967-07-01), Gladd et al.

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