Ventilation control device for a bathroom

Details Ventilation control device for a bathroom Ventilation control device for a bathroom

1997-08-04

1999-01-26

Wayner, William

Automatic temperature and humidity regulation

With timing element

Timer other than clock

236 493, 454343, F24F 706, F24F 700

Patent

active

058629815

ABSTRACT:
A ventilation control device is disposed in a bathroom. The ventilation control device has a switch board, a controller connected to the switch board, a sensor connected to the controller, and a fan motor connected to the controller. The controller outputs a signal to initiate the fan motor to change a rotating speed.

REFERENCES:
patent: 4136822 (1979-01-01), Felter
patent: 4522335 (1985-06-01), Kallestad

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