Exhaust hood energy saving device

Details Exhaust hood energy saving device Exhaust hood energy saving device

1977-03-09

1978-08-08

Capossela, Ronald C.

Stoves and furnaces

Stove hoods

55DIG36, 98 43A, F24C 1520, F23J 1100

Patent

active

041050150

ABSTRACT:
The specification discloses an exhaust ventilation system with a vented hood arrangement over a cooking area which is controlled automatically by the presence of a cook at a cooking station. The primary exhaust fan is automatically turned off a predetermined period of time after the cook has left the cooking station. A fresh air fan is similarly controlled by the presence of the cook at the cooking station. An auxiliary exhaust fan is automatically energized and deenergized in response to the operation of the primary exhaust fan, such that the auxiliary fan is on when the primary exhaust fan is off and vice versa.

REFERENCES:
patent: 2182106 (1936-12-01), Ames
patent: 2326957 (1943-08-01), Maguire
patent: 3188937 (1965-06-01), Mieczkowski
patent: 3251290 (1966-05-01), Jensen et al.
patent: 3332621 (1967-07-01), Tanner
patent: 3625135 (1971-12-01), Carlson
patent: 3690245 (1972-09-01), Ferlise et al.
patent: 3826180 (1974-07-01), Hayashi
patent: 3834295 (1974-09-01), Seidel

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