Emergency air vent

Details Emergency air vent Emergency air vent

1980-11-24

1982-11-23

Makay, Albert J.

Valves and valve actuation

Rotary valves

Ball valve

251 68, F24F 1318

Patent

active

043599346

ABSTRACT:
An air vent for emergency introduction of fresh air into a closed building. A dome cover is mounted on a spring-loaded plunger and released by a solenoid upon detection of poisonous gases, smoke or heat, or a lack of oxygen thereby opening the dome cover.

REFERENCES:
patent: Re13239 (1911-05-01), Lindemeyer
patent: 1301577 (1919-04-01), Valley
patent: 1849491 (1932-03-01), Kelly
patent: 1924250 (1933-08-01), McGuire
patent: 2910079 (1959-10-01), Beeghly
patent: 4256257 (1981-03-01), Pinkerton

Affiliated with

Also associated with

Rating

Emergency air vent does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Emergency air vent, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Emergency air vent will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1874244