Ventilator of the heat exchange type

Details Ventilator of the heat exchange type Ventilator of the heat exchange type

1987-03-10

1987-12-08

Davis, Jr., Albert W.

Heat exchange

Regenerator

165 7, 165 8, 165 10, 165 54, 98 331, F28D 1900

Patent

active

047112930

ABSTRACT:
A ventilator of the heat exchange type includes an air passageway communicating between an interior of a room to be ventilated and the outdoors, a first centrifugal fan for introducing outdoor air to the interior of the room, a second centrifugal fan for discharging indoor air outdoors, both centrifugal fans being disposed within the air passageway so that outlet areas communicates to each other, and two electric motors for alternately driving the centrifugal fans respectively. At least any one of the centrifugal fans is formed of a heat-accumulative material so that heat contained in the indoor air is accumulated in the centrifugal fan formed of the heat-accumulative material and that the heat accumulated in the centrifugal fan is dissipated to the suction air. Heat exchange is thus performed by accumulating the heat in one of the centrifugal fans during indoor air discharge operation and by dissipating the heat to the outdoor air during outdoor air suction operation.

REFERENCES:
patent: 4196771 (1980-04-01), Nitteberg

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