Automatic temperature and humidity regulation – Heating radiator – Air control
Patent
1974-09-06
1976-02-10
Wayner, William E.
Automatic temperature and humidity regulation
Heating radiator
Air control
137805, 236 49, 236 80D, F24F 1100, F15C 400
Patent
active
039373983
ABSTRACT:
An air distribution system supplies conditioned air to at least one zone to be conditioned and comprises a supply duct connected with a diffuser discharging into the conditioned zone. A modulating valve in the supply duct is provided with a bellows actuator for regulating the flow of air into the zone and a secondary conditioning apparatus such as a heater is provided in the supply duct for warming the air before introduction into the zone. The control system for the bellows actuator and for the secondary conditioning apparatus is of the fluidic type with power for the actuator and control system supplied from a total pressure pick-up in the duct. A thermostat for supplying temperature responsive fluidic signals to the bellows and control system is provided with manual adjustments for setting the minimum and maximum flow rates of conditioned air into the zone.
REFERENCES:
patent: 3482623 (1969-12-01), Betz
patent: 3840177 (1974-10-01), Osheroff
Harris William J.
Waeldner William J.
Dynamics Corporation of America
Wayner William E.
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