Bipolar magnetic pulse activated ignition system

Details Bipolar magnetic pulse activated ignition system Bipolar magnetic pulse activated ignition system

1984-11-29

1985-08-27

Cox, Ronald B.

Internal-combustion engines

High tension ignition system

Multiple primary current interrupters

123651, 123617, F02P 100

Patent

active

045371750

ABSTRACT:
An ignition system for a fuel burning engine has a transformer with a primary winding (L1) and a secondary winding (L2). A magnetic pulse time (20) provides a bipolar signal to the input circuits of a pair of transistors (Qa-Qb, Qn-Qp, Q2-Q3, Q4-Q5, Q6a-Q7) of opposite conductivities. The output circuits of such transistor pair are serially connected and also connected in series with ignition transformer primary winding. The transistor pair is simultaneously activated to provide current flow in the primary winding and simultaneously deactivated to discontinue such current flow to create an induced voltage in the primary winding that is transferred to the secondary winding to fire igniters of the engine. Transistor pairs of the multijunction, unijunction and field effect Darlington or non-Darlington types may be utilized.

REFERENCES:
patent: 3167705 (1965-01-01), Sohner
patent: 3253168 (1966-05-01), Robbins
patent: 3308341 (1967-03-01), McLaughlin
patent: 4377151 (1983-03-01), Gerry

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