Start-up/shut-down for a hydrogen gas burner

Details Start-up/shut-down for a hydrogen gas burner Start-up/shut-down for a hydrogen gas burner

1982-09-24

1984-08-14

Barrett, Lee E.

Combustion

Timer, programmer, retarder or condition responsive control

Providing repeated start attempts prior to shutdown upon...

431 66, 431 70, 431 78, F23N 500

Patent

active

044654553

ABSTRACT:
System for flame start-up/shut-down for a hydrogen gas mixture burner. An electrical probe igniter positioned adjacent the gas port outlet. On demand the igniter is actuated to heat and electrically heat a thermal switch. Responsive electronic controls actuate the appropriate valves and circuits for operational start-up. Upon the ignition of the generated hydrogen gas mixture, a second thermal probe is heated by the flame to deactivate the ignition and start-up circuits. After demand the second thermal probe cools and the circuit is restored for start-up again. A safety probe positioned in the flame is quiescent. In the event of demand time shut-down, the safety probe will activate the circuits for restart. If failure to start-up continues for a predetermined time, the safety probe circuit will effect permanent shut-down.

REFERENCES:
patent: 2954080 (1960-09-01), Prouty et al.
patent: 3086583 (1963-04-01), Rerchow
patent: 3980053 (1976-09-01), Horvath
patent: 4056348 (1977-11-01), Wolfe

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