Combustion – Burner having electrical heater or igniter – Spark electrode in front of or adjacent fuel discharger
Patent
1977-07-29
1979-02-20
Favors, Edward G.
Combustion
Burner having electrical heater or igniter
Spark electrode in front of or adjacent fuel discharger
431 74, F23Q 300
Patent
active
041404769
ABSTRACT:
A gun-type burner including a housing having side and end walls defining a plenum chamber. A blast tube is mounted on one end wall of the housing which has an opening therein communicating between the plenum chamber and the blast tube. A fuel nozzle and ignition electrodes are positioned in the blast tube and extend into the plenum chamber. A squirrel cage blower is provided including a scroll casing with an air discharge end mounted on a side wall of the housing which has an opening therein communicating between the plenum chamber and the air discharge end of the casing. A shaded pole motor is mounted on the casing and is operatively connected to drive the blower. An electrically operated fuel pump is mounted on the housing, and an ignition transformer or solid-state ignitor is also mounted on the housing and has secondary terminals which extend into the plenum chamber and are connected to the ignition electrodes. A solenoid-actuated valve connects the fuel pump to the nozzle, and a speed-responsive switch is mounted on and operated by the motor and is coupled to energize the valve in response to motor operation. A flame detector in the plenum chamber is exposed to the blast tube, and means responsive to the flame detector is coupled to de-energize the ignition transformer in response to ignition of fuel.
REFERENCES:
patent: 2815460 (1967-12-01), Jones et al.
patent: 3169571 (1965-02-01), Madsen
patent: 3255804 (1966-06-01), Lang
patent: 3606608 (1971-09-01), Miller et al.
Favors Edward G.
Wayne Home Equipment Company
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