Methods and apparatus for the control of smoke and fire in build

Details Methods and apparatus for the control of smoke and fire in build Methods and apparatus for the control of smoke and fire in build

1982-03-11

1984-08-07

Tapolcai, William E.

Automatic temperature and humidity regulation

Ventilator type

98 1, 98 43R, F24F 1314

Patent

active

044638965

ABSTRACT:
Smoke and fire control devices and systems are disclosed, including smoke control devices which are responsive to smoke to evacuate smoke and also responsive to elevated temperatures to terminate the evacuation of smoke. Other disclosed smoke control devices comprise valving means which also function as curtain boards, and second valving means which serve to terminate the evacuation of smoke when the temperature of the evacuated smoke and other gases becomes excessive.

REFERENCES:
patent: 3738429 (1973-06-01), Heller et al.
patent: 3739707 (1973-06-01), Knapp
patent: 3741101 (1973-06-01), Sheppard
patent: 3826180 (1974-07-01), Hayashi
patent: 4084744 (1978-04-01), Wilson, Jr.

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