Living space ventilation

Details Living space ventilation Living space ventilation

1988-07-05

1990-02-06

Joyce, Harold

98 4204, F24F 1100

Patent

active

048980862

ABSTRACT:
At dawn the outside air is coolest over the 24 hour daily cycle. A photo electric device actuates a fan just after dawn to ventilate the house and is later switched off by a time delay device. Existing fans may be used.

REFERENCES:
patent: 2104088 (1938-01-01), Lyman
patent: 3235247 (1966-02-01), Tolson
patent: 3337992 (1967-08-01), Tolson
patent: 4099047 (1978-07-01), Kirkland, Jr.
patent: 4105015 (1978-08-01), Isom
patent: 4251026 (1981-02-01), Siegel et al.

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