Central air conditioning system with damper and method for contr

Details Central air conditioning system with damper and method for contr Central air conditioning system with damper and method for contr

1989-05-12

1990-05-01

Wayner, William E.

Automatic temperature and humidity regulation

Ventilator type

Electrically actuated

13762418, F24F 700

Patent

active

049211641

ABSTRACT:
A rapid increase in the static pressure in the air duct which occurs while the damper is moving to the fully closed position is avoided by maintaining the damper at a preclosed position between fully opened and fully closed positions for a prescribed period and by simultaneously reducing the amount of conditioned air supplied to the air duct while the damper is positioned at the pre-closed position to regulate the static pressure in the air duct to a desirable level. Thus, air leakage noise which occurs in the air duct when the static pressure in the air duct rapidly increases for a short time can be avoided.

REFERENCES:
patent: 3814173 (1974-06-01), Coon
patent: 4635445 (1987-01-01), Otsuka et al.

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