Thermally actuated diffuser

Details Thermally actuated diffuser Thermally actuated diffuser

1978-03-17

1980-11-04

Makay, Albert J.

Automatic temperature and humidity regulation

Ventilator type

98 40B, F24F 700

Patent

active

042315131

ABSTRACT:
A diffuser for a conditioned air system for buildings incorporates a self contained and integrated sensor actuator for varying the volume flow of conditioned air through the diffuser in response to changes in room air temperature.
The sensor actuator structure for sensing the room air temperature and for modulating the conditioned air flow is entirely contained within the diffuser structure and is powered directly by the changes in room air temperature without auxiliary equipment or power systems.
The self contained diffuser is fully adaptable to existing systems to provide either or both modulated cooling and modulated heating and also to supply modulated cooling with the capability of morning warm-up.
The diffuser is constructed to direct the air flow from the periphery of the diffuser and into the room at an angle and with a velocity which causes the air flow to have preferred aerodynamic characteristics so as to hug the ceiling and to avoid dumping.

REFERENCES:
patent: 3166001 (1965-01-01), Person et al.
patent: 3732799 (1973-05-01), Spoormaker
patent: 3743180 (1973-07-01), Perkins et al.
patent: 3861588 (1975-01-01), Bata et al.
patent: 4073433 (1978-02-01), Modes
patent: 4123001 (1978-10-01), Kolt
Air Conditioning, Heating and Ventilating, Feb. 1963, p. 19, "It's Moving Day for Thermostats."

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