Multimode ventilator

Details Multimode ventilator Multimode ventilator

1985-07-09

1987-03-03

Davis, Jr., Albert W.

Heat exchange

Structural installation

Related to wall, floor or ceiling structure of a chamber

165 7, 98 331, 98 345, F24F 708

Patent

active

046468137

ABSTRACT:
A multimode ventilator mounted on a window unit dividing interior and exterior sides from each other has a frame assembly including a central partition on which a heat exchanger is rotatably supported. The frame assembly has first and second inner chambers divided from each other and first and second outer chambers divided from each other. Discharge and supply fans are disposed respectively in the first outer chamber and the second inner chamber. The frame assembly has a first opening for communication between the first inner chamber and the interior, a second opening for communication between the first outer chamber and the exterior, a third opening for communication between the second outer chamber and the exterior, and a fourth opening for communication between the second inner chamber and the interior. The ventilator also has a first damper coupled to the second opening, a second damper mounted on the frame assembly and openable to provide communication between the second inner chamber and the interior side, and a third damper mounted on the central partition and openable to provide communication between the second inner and outer chambers in bypassing relation to the rotor.

REFERENCES:
patent: 3977466 (1976-08-01), Johansson
patent: 4462459 (1984-07-01), Schmidlin

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