Automatic temperature and humidity regulation – Hot-air furnace – Air and fire control
Patent
1980-11-03
1983-01-25
Tapolcai, William E.
Automatic temperature and humidity regulation
Hot-air furnace
Air and fire control
361394, F24N 1910
Patent
active
043699162
ABSTRACT:
A blower override system and control for forced air systems such as heating or cooling systems in which an override relay starts the blower to circulate the warmed or cooled air when the heating or cooling element turned on. When the heating or cooling is turned off, the blower is thereupon allowed to continue by the override unit to function for a timed interval by a time delay relay. The unit is in a control box and ready to attach to existing control structures for forced air systems.
REFERENCES:
patent: 1546450 (1925-07-01), Meaker
patent: 1558848 (1925-10-01), Boble, Jr.
patent: 3691432 (1972-09-01), Edfors et al.
patent: 3912162 (1975-10-01), Bauer et al.
patent: 3961200 (1976-06-01), Dute
patent: 4013219 (1977-03-01), Jacobson
patent: 4090663 (1978-05-01), Bonne
patent: 4215386 (1980-07-01), Prager et al.
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