Duct pressure powered air volume controller

Details Duct pressure powered air volume controller Duct pressure powered air volume controller

1987-10-30

1988-07-12

Tapolcai, William E.

Automatic temperature and humidity regulation

Ventilator type

137 82, 137489, 236 85, F24F 1308

Patent

active

047564741

ABSTRACT:
A duct pressure powered air volume controller controls the flow through a terminal responsive to the differential pressure across a nozzle plate, the selected ventilation requirements, and the temperature of the supplied air, the zone and the setpoint.

REFERENCES:
patent: 2767725 (1956-10-01), Long
patent: 3006595 (1961-10-01), Rosebrook
patent: 3117723 (1964-01-01), Church
patent: 3158320 (1964-11-01), Duncan
patent: 3186642 (1965-06-01), Silver
patent: 3213613 (1965-10-01), Schwent et al.
patent: 3225788 (1965-12-01), Church et al.
patent: 4245780 (1981-06-01), Franz
patent: 4356963 (1982-11-01), Edwards et al.
patent: 4634047 (1987-01-01), Dean

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