Glow plug driver

Details Glow plug driver Glow plug driver

1979-10-15

1981-06-16

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Electric switch in the condenser circuit

315209T, 315209CD, 315307, 315241R, 123653, 307246, 307264, 307296R, H05B 3700, H05B 3900, H05B 4114

Patent

active

042740347

ABSTRACT:
A glow plug driver adapted to be coupled to a power supply and a glow plug comprising first and second conductive leads for coupling the glow plug to the power supply and an electronic switch in the first lead having conductive and nonconductive states so that pulses of electrical energy can be supplied to the glow plug. A resistor and a capacitor are coupled between the leads in parallel with the glow plug so that the capacitor can charge when the electronic switch is in the conductive state and discharge when the electronic switch is in the nonconductive state. A timer is used to place the electronic switch in the conductive state for a predetermined amount of time. The timer is in turn controlled by a transistor having its base coupled to a junction between the resistor and the capacitor.

REFERENCES:
patent: 3317820 (1967-05-01), Nylander
patent: 3531712 (1970-09-01), Cecchini
patent: 3597652 (1971-08-01), Gates, Jr.
patent: 3657572 (1972-04-01), Millman
patent: 3714512 (1973-01-01), Grabowski
patent: 4005317 (1977-01-01), Hinrichs

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