Ventilator having insert for controlling moisture and method of

Details Ventilator having insert for controlling moisture and method of Ventilator having insert for controlling moisture and method of

1982-07-23

1985-04-23

Joyce, Harold

98 4223, 98 661, 55267, 55285, F24F 702

Patent

active

045122431

ABSTRACT:
A ventilator device for allowing escape of air from enclosed spaces such as a building includes a unitary housing provided with an insert for controlling the flow of mositure therethrough. The insulator includes a pair of insulative, tubular members between which there is sandwiched a fabric-like foraminous membrane which permits passage of moisture laden air outwardly through the ventilator but prevents moisture in the form of liquid or droplets from returning into the building through the ventilator.

REFERENCES:
patent: 1502944 (1924-07-01), Earhart
patent: 1898859 (1933-02-01), Thorp
patent: 4187390 (1980-02-01), Gore
patent: 4325290 (1982-04-01), Wolfert
patent: 4399743 (1983-08-01), Izzi, Sr.

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