Dampers

Details Dampers Dampers

1974-07-02

1976-04-20

O'Dea, William F.

Stoves and furnaces

Stoves

Cooking

49376, 98 85, 98115R, 126285B, 137601, 251303, F24F 706, F24F 1310

Patent

active

039510514

ABSTRACT:
Dampers operable by energization of an electrical circuit or by deenergization thereof to open or close, for control of smoke ventilation in case of a fire. The dampers are held closed, or open, either by a magnet or by a spring. The dampers may be used in ventilation systems of any other type.

REFERENCES:
patent: 1828016 (1931-10-01), Andres
patent: 1949133 (1934-02-01), Smith
patent: 2120060 (1938-06-01), Williams
patent: 2725003 (1955-11-01), Lyons
patent: 2827003 (1958-03-01), Stetson
patent: 2837991 (1958-06-01), DeRoo
patent: 3611909 (1971-10-01), Gaylord
patent: 3616745 (1971-11-01), Russell, Sr.
patent: 3665958 (1972-05-01), Dunkelis
patent: 3830016 (1974-08-01), Levine

Affiliated with

Also associated with

Rating

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

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1578746