Combined rolling shutter and ventilating box

Details Combined rolling shutter and ventilating box Combined rolling shutter and ventilating box

1980-06-19

1982-07-13

Makay, Albert J.

Heat exchange

Structural installation

Related to wall, floor or ceiling structure of a chamber

165122, 160 26, 160127, F28D 712

Patent

active

043389961

ABSTRACT:
A combined rolling shutter and ventilating box comprises a housing holding the rolling shutter. A ventilating box has horizontal and vertical air duct sections divided into a first duct section part receiving warm air to be exhausted from an interior room and a second duct section part receiving fresh air from the atmosphere. A ventilator exhausts the warm air through the first duct section part and the exhausted warm air is vented to the atmosphere. A fresh air inlet communicates with the second duct section and a ventilator draws the fresh air therethrough. A heat exchanger in the air duct sections extends transversely through the air flow through the first and second duct parts.

REFERENCES:
patent: 4222436 (1980-09-01), Pravda

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