Thermally-powered control mechanism

Details Thermally-powered control mechanism Thermally-powered control mechanism

1984-02-01

1985-04-09

Wayner, William E.

Automatic temperature and humidity regulation

Ventilator type

98 4025, 165 24, F24F 700

Patent

active

045096783

ABSTRACT:
A room air diffuser control mechanism is provided which is operated by two thermally powered thermostatic actuator elements, one reacting to the room air temperature, and the other reacting to the supply air temperature. When the supply air temperature is cool (e.g., less than 68.degree. F.), the supply air element is retracted and its linkage system is rendered inoperative. The room air element, through its linkage system, reacts to control the room temperature by varying the area of an air diffusion discharge opening. When the supply air temperature is warm (e.g., greater than 78.degree. F.), the supply air element reacts to disengage the room air element linkage system, and to move the air diffusion discharge opening to an adjustable, predetermined position. In this mode, the room air element does not affect the discharge opening regardless of the temperature of the room air.

REFERENCES:
patent: 3643862 (1972-02-01), Byrne
patent: 4231513 (1980-11-01), Jance et al.

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