System for providing rapid warm-up of electrical resistance igniter
First Claim
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1. In a system for controlling energizing of an electrical resistance igniter,switching means connecting the igniter across a power source;
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Abstract
A system for enabling an electrical resistance igniter to attain ignition temperature within a few seconds and without exceeding a temperature which could damage the igniter. The system controls the level of power to the igniter based on the determined value of voltage available to energize the igniter and on the determined value of the igniter resistance.
34 Citations
8 Claims
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1. In a system for controlling energizing of an electrical resistance igniter,
switching means connecting the igniter across a power source; - and
control means for determining the voltage value of said power source, for determining the resistance value of said igniter, and for determining the level of power to be applied to said igniter by said power source through said switching means based on said voltage and resistance values so as to cause said igniter to be heated to a specified temperature value in a specified time. - View Dependent Claims (2, 3, 4)
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5. In a system for controlling energizing of an electrical resistance igniter,
switching means connecting the igniter across a power source; - and
control means for periodically determining the temperature value of said igniter as said igniter is being heated, for generating a varying temperature setpoint, for comparing said periodically determined igniter temperature with said varying temperature setpoint, and for operating said switching means based on said comparison so as to cause said igniter to be heated by said power source to a specified temperature value in a specified time. - View Dependent Claims (6, 7)
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8. A method of controlling energizing of an electrical resistance igniter, the method comprising:
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determining the voltage value of a power source effective for energizing the igniter; determining the resistance value of said igniter; and applying power from said power source to said igniter based on said values of voltage and resistance for effecting heating of said igniter to a specified temperature value in a specified time.
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Specification