Circuit for supplying voltage to a microprocessor in an ignition

Details Circuit for supplying voltage to a microprocessor in an ignition Circuit for supplying voltage to a microprocessor in an ignition

1993-08-06

1995-02-28

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Fuel injection system

123149D, F02P 308, F02P 102

Patent

active

053927478

ABSTRACT:
The invention is directed to a circuit for providing a controlled voltage supply to a microprocessor in an ignition circuit of an internal combustion engine equipped with a spark plug. The circuit includes: a generator having an induction coil and magnetic device for generating an alternating voltage in the coil; a microprocessor for controlling the spark plug; the microprocessor having first and second connecting terminals and a capacitor connected across the terminals; a thyristor having a gate electrode is connected between the induction coil and the capacitor; and, a voltage limiter is connected to the gate electrode, The controlled voltage supply for the thyristor is ensured over the entire rpm range of the engine without noticeable energy losses.

REFERENCES:
patent: 4160435 (1979-07-01), Sleder
patent: 4378769 (1983-04-01), Haubner et al.
patent: 5069193 (1991-12-01), Erhard
patent: 5161496 (1992-11-01), Matsushima et al.
patent: 5172675 (1992-12-01), Kurosu et al.

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