Auxiliary igniter and control for a furnace

Details Auxiliary igniter and control for a furnace Auxiliary igniter and control for a furnace

1996-03-28

1998-01-06

Yeung, James C.

Combustion

Timer, programmer, retarder or condition responsive control

Sensor of electrical condition or temperature of electrical...

431 13, 431 43, 431 74, F23N 500

Patent

active

057047758

ABSTRACT:
A furnace for combustible fuels that incorporates a main igniter and an auxiliary back-up igniter for igniting the fuel. When power is applied to the main igniter, a sensor detects whether or not current flows through the main igniter. If there is current flow through the main igniter, the back-up igniter is isolated from the input power. If there is an absence of current flow through the main igniter, the power is switched to the auxiliary back-up igniter. A warning device is provided to alert a user when the power has been switched to the back-up igniter indicating that the main igniter is inoperable.

REFERENCES:
patent: 2444239 (1948-06-01), Aubert et al.
patent: 3209809 (1965-10-01), Nielsen et al.
patent: 3502419 (1970-03-01), Perl
patent: 3547592 (1970-12-01), Gladu et al.
patent: 3600119 (1971-08-01), Abbott, Jr.
patent: 3663150 (1972-05-01), Hapgood
patent: 5472336 (1995-12-01), Adams et al.

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