This invention relates to an automated, motorized Floor Diffuser assembly for placement in a floor opening in a raised access flooring system having an air distribution plenum under the floor. The assembly comprises a generally circular hanging frame member, to be removably secured to the floor, a suspended fixed frame member having an annular damper opening and extending from the hanging frame member, and a removable grill member. The removable grill member mounts a fixed, downwardly extending central post, a floating damper retention basin, and a light weight compression spring about the post and acting to space the retention basin from the grill member. Positioned and mounted within the suspended fixed frame member is a motor operable to raise and lower plural push rods that act against the bottom of the retention basin. As the push rods rise and act against the retention basin, all accomplished remotely by wire or wireless signal means, the retention basin begins to rise to partially or completely close off the damper opening and thus control the airflow from the underfloor plenum through the system. Concurrent with the rising retention basin the compression spring begins to compress. When it is time to lower the retention basin, the motor is reversed and, with the aid of the stored energy in the spring, the floating retention basin is lowered to further open the damper. Also, maintenance is made easy by the fact that the grill member is removable to access the retention basin where debris and liquid may accumulate over time, all without disturbance to the motor and wiring mechanism.

Accordingly, a feature of this invention is to provide a remotely activated Floor Diffuser system, whether a plurality or an individual outlets.

A further feature of the invention hereof lies in an Floor Diffuser system that allows removal and cleaning of debris/liquid from a retention basin without disturbance of any of the automatic control components or wiring.

Another feature of this invention is the use of modular connection that facilitates easy field connection to control wiring for the air diffuser hereof.

These and other features of the invention will become more apparent, particularly by those skilled in the art, from a reading of the following specification.

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Floor Diffuser