Air flow control system

Details Air flow control system Air flow control system

1989-05-26

1990-12-18

Joyce, Harold

Valves and valve actuation

Rotary valves

Ball valve

98 4203, 25112911, F24F 1100

Patent

active

049778188

ABSTRACT:
An air flow control system for controlling the air flow within a building having closable vents for venting the air out the building comprising sensors for detecting fire, smoke, gas, or high heat in the building and an alarm for indicating the detection of fire, smoke, gas, or high heat in the building. The system also includes motors, connected to the system, for closing the vents upon the detection of fire, smoke, gas, and high heat in the building.

REFERENCES:
patent: 1002308 (1911-09-01), Powers
patent: 1004074 (1911-09-01), Powers
patent: 2299317 (1942-10-01), Fink
patent: 2632377 (1953-03-01), Mader
patent: 3060833 (1962-10-01), Pledger
patent: 3951051 (1976-04-01), Dry
patent: 4017026 (1977-04-01), Felter
patent: 4432272 (1984-02-01), Becelaere
patent: 4559867 (1985-12-01), Van Becelaer et al.
patent: 4633769 (1987-01-01), Milks
patent: 4738190 (1988-04-01), Sheu

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