Contactless ignition device for internal combustion engines

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

1983-04-26

1985-05-07

Nelli, Raymond A.

Internal-combustion engines

High tension ignition system

Using capacitive storage and discharge for spark energy

123594, 123596, 123601, 123605, F02P 306, F02P 100, F02P 117

Patent

active

045151407

ABSTRACT:
A contactless ignition device for internal combustion engines comprising an exciter coil and pulser coil inducing voltages of phases reverse to each other with the rotation of the internal combustion engine, a first capacitor and second capacitor charged with voltages induced by the respective coils and switching elements connected in series in a circuit connecting the first capacitor with an ignition coil so as to conduct the voltage discharged by the second capacitor when either of both induced voltages reaches a set level. A control circuit controlling the switching time of the switching elements is connected to the switching elements so as to delay the operation of the second switching element with the control circuit in the low speed operation range of the engine and to advance the operation in the high speed operation range. This control circuit includes a switching element operating in response to the voltage inducing state of the exciter coil or pulser coil.

REFERENCES:
patent: 3739759 (1973-06-01), Sleder
patent: 3824976 (1974-07-01), Katsumata et al.
patent: 3865092 (1975-02-01), Schmaldienst
patent: 3900016 (1975-08-01), Haubner et al.
patent: 3911886 (1975-10-01), Nagasawa
patent: 3911889 (1975-10-01), Nagasawa

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