Contactless ignition device for internal combustion engines

Details Contactless ignition device for internal combustion engines Contactless ignition device for internal combustion engines

1984-04-05

1986-01-21

Dolinar, Andrew M.

Internal-combustion engines

High tension ignition system

Using capacitive storage and discharge for spark energy

123603, F02P 508

Patent

active

045651809

ABSTRACT:
An exciter coil and pulser coil induce voltages in phase reversal to each other by the rotation of an internal combustion engine are provided. A first condenser and second condenser are charged with the negative and positive induced voltage of the exciter coil respectively. A second switching element conductive by the discharged voltage of the second condenser discharged through a first switching element conductive when the induced voltage of the pulser coil reaches a set level is connected in series with a circuit connecting the ignition coil and first condenser. A circuit controlling the switching time of the first switching element is operated so as to retard the operation of the second switching element in the low speed operation range of the engine and to advance the same in the high speed operation range. This circuit includes a further switching element operating in response to the voltage inducing state of the pulser coil.

REFERENCES:
patent: 3750637 (1973-08-01), Minks
patent: 3861372 (1975-01-01), Shibukawa et al.
patent: 3866589 (1975-02-01), Haubner et al.
patent: 4181114 (1980-01-01), Carlsson et al.
patent: 4244337 (1981-01-01), Asai
patent: 4297977 (1981-11-01), Boyama
patent: 4473050 (1984-09-01), Kondo et al.

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