On-off thermostat based modulating air flow controller

Automatic temperature and humidity regulation – Ventilator type

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Details

236 84, 25112911, 25112912, 318159, F24F 1310

Patent

active

045561699

ABSTRACT:
A system for providing modulated air flow control in response to an on-off thermostat having an on-off thermostat, a self-returning, slow moving motor connected to the thermostat for moving in a first direction when the thermostat is on and moving in a second direction when the thermostat is off, a damper motor adapted to drive a damper, and a controller driven by the self-returning, slow moving motor and connected to the damper motor for modulating air flow in response to the on-off thermostat.

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