Automatic temperature and humidity regulation – Ventilator type – Electrically actuated
Patent
1990-11-06
1992-05-19
Wayner, William E.
Automatic temperature and humidity regulation
Ventilator type
Electrically actuated
236 51, 236 84, G05D 1500
Patent
active
051140705
ABSTRACT:
A pneumatic direct digital control system comprising: an air inlet; an air outlet; a transducer for connecting the air inlet and the air outlet and controlling a flow of air therebetween; a power supply; a sensor; and a direct digital controller. The direct digital controller is operably connected to the power supply. Additionally, the controller is operably connected to and is controlling the transducer.
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Ehrlich Paul W.
Lilja Philip C.
Martin Allenn E.
American Standard Inc.
Beres William J.
Ferguson Peter D.
O'Driscoll William
Wayner William E.
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