Ventilating system

Details Ventilating system Ventilating system

1977-11-18

1979-07-10

Capossela, Ronald C.

Stoves and furnaces

Stoves

Cooking

55DIG18, 126299R, 165 16, 98 33R, F23J 1100

Patent

active

041604075

ABSTRACT:
The wasteful discharge of heated or cooled room air in a ventilating system to which a number of fume hoods are connected is reduced by making it possible to turn off unused hoods without unduly unbalancing the system and by making it possible, when access windows are closed, to reduce the volume of air flow to below the required open window level. Unconditioned outside air is automatically fed into the system in an amount compensating for the reduction in air available from the hoods when they are shut off or when flow from them is reduced. Switches are provided on the hood windows to change hood damper openings automatically to increase air flow when access windows are open and reduce it when windows are closed.

REFERENCES:
patent: 1552316 (1925-09-01), Krieg
patent: 1630317 (1927-05-01), Skonier
patent: 1676969 (1928-07-01), Sutton et al.
patent: 3766906 (1973-10-01), Jenn
patent: 3800689 (1974-04-01), Brown
patent: 3982583 (1976-09-01), Shavit
patent: 4050368 (1977-09-01), Eakes
patent: 4058299 (1977-11-01), Lindkvist

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