Airflow volume control system

Details Airflow volume control system Airflow volume control system

2006-01-03

2006-01-03

Joyce, Harold (Department: 3749)

Ventilation

Electronic cabinet

C251S129040, C251S129150, C137S553000

Reexamination Certificate

active

06981915

ABSTRACT:
A control system for controlling airflow through a vent. The system includes a vent assembly having a frame. The frame includes an opening to allow air to flow through the frame. The vent assembly also includes a movable damper for variably restricting the fluid flow through the opening in the vent assembly, a motor for controlling movement of the damper, and a sensor for determining the position of the damper. In addition, a controller is provided to control the motor to vary the position of the damper to thereby vary the airflow through the opening in the vent assembly.

REFERENCES:
patent: 4893551 (1990-01-01), Sharp et al.
patent: 5145456 (1992-09-01), Ito et al.
patent: 5461875 (1995-10-01), Lee et al.
patent: 6409143 (2002-06-01), Beck et al.

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