Automatic boiler damper

Details Automatic boiler damper Automatic boiler damper

1976-02-18

1977-09-06

Wayner, William E.

Automatic temperature and humidity regulation

Miscellaneous

Burner controls with automatic cutoff

110163, 126285B, G05D 2300

Patent

active

040463184

ABSTRACT:
An automatic boiler damper comprising a solenoid valve secured to the pivot axis of a damper included within a stack utilized to vent a heating system. The solenoid is electrically operated upon the closing of a thermostat secured to the stack at a point immediately over the damper location. The damper is provided with a vent hole which enables the thermostat to detect the presence of heated stack gases in sufficient quantity and temperature flowing upwardly from the damper in the closed position, so as to enable the solenoid to open the damper and vent the stack gases through the stack. Heat is conserved thereby and cold drafts are not permitted to enter the stack as a downdraft.

REFERENCES:
patent: 1848653 (1932-03-01), Persons
patent: 2188865 (1940-06-01), Maynard
patent: 2224705 (1940-12-01), Stringer
patent: 2416468 (1947-02-01), Carsten

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