Staged power exhaust for HVAC air handling units

Details Staged power exhaust for HVAC air handling units Staged power exhaust for HVAC air handling units

1999-07-27

2000-10-03

Joyce, Harold

Ventilation

Having forced recirculation

Including automatic control means

165249, 454236, F24F 1104

Patent

active

061265403

ABSTRACT:
An air handling unit for a heating, ventilating and air conditioning system of a building has a plurality of exhaust fans. The exhaust fans are sequentially activated in response to the amount of air flowing into the air handling unit from outdoors. Thus the amount of air exhausted from the building approximates the amount of air drawn into the building through the air handling unit. This operation maintains the static air pressure within the building to acceptable levels.

REFERENCES:
patent: 4086781 (1978-05-01), Brody et al.
patent: 4836096 (1989-06-01), Avery
patent: 5976010 (1999-11-01), Reese et al.

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