Ventilator drive system

Details Ventilator drive system Ventilator drive system

1989-04-10

1990-09-04

Wayner, William E.

Automatic temperature and humidity regulation

Humidity control

236 493, 98 4204, F24F 700

Patent

active

049537849

ABSTRACT:
A ventilator drive system includes a fan for exhausting an indoor air to the outdoors and introducing an outdoor air to an indoor side, an electric motor for driving the fan, a humidity sensor having a humidity sensing element which abuts against an indoor side surface of a room wall as close as possible or which is located so that heat is transferred from the room wall, and a control circuit for comparing a signal from the humidity sensor with a reference signal. The motor is energized when the relative humidity is increased to a reference level or above.

REFERENCES:
patent: 2234858 (1941-03-01), Brown et al.
patent: 2275708 (1942-03-01), Whitney
patent: 2279582 (1942-04-01), Russel
patent: 2707880 (1955-05-01), Wannamaker, Jr.
patent: 2943245 (1960-06-01), Ohlheiser
patent: 3332620 (1967-07-01), Streed

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