Electric igniter actuator with network voltage clocking to pass

Details Electric igniter actuator with network voltage clocking to pass Electric igniter actuator with network voltage clocking to pass

1994-02-25

1995-05-16

Jeffery, John A.

Electric heating

Heating devices

Resistive element: igniter type

219492, 219488, 361264, H05B 102

Patent

active

054163005

ABSTRACT:
An automatic furnace comprises an actuator for an electric igniter. The electric igniter has a distinctly lower standard voltage, e.g., 120 V, than the network voltage, e.g., 230 V and is operated by the network voltage. The network voltage is fed into the power regulator before the igniter. The power regulator clocks the network voltage with an adjustable keying ratio, so that only part of the full wave trains of the network voltage becomes active at the electric igniter. In an advantageous embodiment, the keying ratio is variegated by the actual level of the network voltage.

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Mitchell, K., "Pulsed Current Heating Circuit", Electronic Engineering v. 54, No. 666, Jun. 1982.

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