Control installation for variable volume air diffusers

Details Control installation for variable volume air diffusers Control installation for variable volume air diffusers

1986-12-05

1987-09-22

Tapolcai, William E.

Automatic temperature and humidity regulation

Ventilator type

137 82, 236 80R, F24F 1310

Patent

active

046949895

ABSTRACT:
In a self-powered diffuser for a variable volume air distribution system, an installation for the control components which facilitate adjustment, modification and system start up. A Tee fitting located in the control compartment feeds through the bulkhead and into the diffuser to sense the flow rate of air in the diffuser. One leg of the Tee fitting is available to receive a tube in order to permit servicemen to actually measure the flow rate from below the ceiling. The maximum flow rate is adjustable from below the ceiling and is carried out by an adjustment mechanism having enhanced stability and reliability. A thermostat in the control compartment can be installed, serviced and replaced if necessary from below the ceiling.

REFERENCES:
patent: 3791397 (1974-02-01), Jann
patent: 3806027 (1974-04-01), Ginn et al.
patent: 3941310 (1976-03-01), Travaglio
patent: 4077567 (1978-03-01), Ginn et al.
patent: 4147298 (1979-04-01), Leemhuis
patent: 4312475 (1982-01-01), Edwards et al.
patent: 4356963 (1982-11-01), Edwards et al.

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