Demand ventilation system

Details Demand ventilation system Demand ventilation system

1995-10-20

1998-08-11

Joyce, Harold

Ventilation

Having forced recirculation

Including automatic control means

454238, 454239, 454252, F24F 1104

Patent

active

057919836

ABSTRACT:
A pair of variable air volume fans and a set of primary and exhaust air diffusers are in atmospheric communication between a supply of ventilation air that employs the principles of thermal displacement ventilation for purging a designated smoking area of smoke pollutants and the outside atmosphere for receiving the purged polluted air. The volume of ventilation air supplied to the designated area and the volume of air exhausted from the designated area is based upon air quality demand requirements and is determined by a microprocessor coupled to a gas sensor disposed within the designated smoking area.

REFERENCES:
patent: 3294480 (1966-12-01), Potapenko
patent: 4955285 (1990-09-01), Geilinger et al.
patent: 5004483 (1991-04-01), Eller et al.
patent: 5290200 (1994-03-01), Kiser
patent: 5314376 (1994-05-01), Kuramarohit

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