Combustion – Timer – programmer – retarder or condition responsive control – By combustion or combustion zone sensor
Patent
1996-03-04
1998-05-19
Jones, Larry
Combustion
Timer, programmer, retarder or condition responsive control
By combustion or combustion zone sensor
431 48, 431 59, 431 75, 126116A, 126 92AC, F23N 500
Patent
active
057528187
ABSTRACT:
A carbon monoxide detection and automatic deactivation system including a fuel burner having a fuel supply conduit coupled thereto. A pilot igniter is situated adjacent to a pilot supply conduit and is adapted to provide a flame in an interior space of the burner upon the actuation thereof. A thermocouple is positioned adjacent to the pilot igniter for producing an electric current upon the detection of heat. Also included is an electromechanical fuel valve comprising a solenoid adapted to allow the supply of fuel to the burner upon the receipt of current via the thermocouple and further preclude said supply upon the lack thereof. Finally, a switch mechanism is electrically coupled between the thermocouple and the solenoid. The switch mechanism has a first orientation for allowing current to pass therebetween with the absence of carbon monoxide and a second orientation for precluding current to pass therebetween with the presence of carbon monoxide.
REFERENCES:
patent: 4638789 (1987-01-01), Ueki et al.
patent: 5160259 (1992-11-01), O'Hara et al.
patent: 5165883 (1992-11-01), Van Bemmel
patent: 5397233 (1995-03-01), Eavenson et al.
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