Room air conditioning apparatus

Details Room air conditioning apparatus Room air conditioning apparatus

1974-03-22

1976-08-31

Davis, Jr., Albert W.

Heat exchange

Structural installation

165 7, 165 59, 165DIG12, 62331, 98 33R, 98116, F28D 1900

Patent

active

039774660

ABSTRACT:
A room air conditioning apparatus for exchanging heat and/or moisture between fresh atmospheric air entering the room from the outside and consumed air being discharged from the room combines high capacity with relatively small dimensions, low air velocities and small pressure drops so as to minimize generation of disturbing noise. Within a casing, a motor-driven regenerative-type rotor passes through two air stream zones in the first of which is a motor-driven fan for discharge of consumed room air into the outer atmosphere and in the second of which is a motor-driven fan for supply of fresh air to the room from the outer atmosphere. In the rotor, the two air streams exchange heat and/or moisture content so that the supply of fresh air is given a desired, predetermined temperature and a desired moisture content. The quantities of entering and discharged air are maintained approximately equal to obtain good heat economy and ventilation through the provision of means which sense and balance the two air streams to maintain the same at predetermined quantities irrespective of pressure changes external to the air conditioning apparatus due to atmospheric forces such as wind. These means may include either pressure, velocity or temperature sensing means located within the air stream zone which sense the same and cause the motor-driven fans therein to increase or decrease air flow in response thereto.

REFERENCES:
patent: 2792071 (1957-05-01), Pennington
patent: 3158082 (1964-11-01), Dillingham et al.
patent: 3165625 (1965-01-01), Potter
patent: 3402654 (1968-09-01), Berst
patent: 3611906 (1971-10-01), Lorenz
patent: 3698472 (1972-10-01), Gold et al.

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