Inductive ignition system for internal combustion engines

Details Inductive ignition system for internal combustion engines Inductive ignition system for internal combustion engines

2006-04-18

2006-04-18

Huynh, Hai (Department: 3747)

Internal-combustion engines

Charge forming device

Supercharger

C123S603000, C123S631000, C123S1490FA

Reexamination Certificate

active

07028676

ABSTRACT:
The ignition system for internal combustion engines includes a rotor and an armature having an ignition coil in which voltage signals, each having pulses of opposite polarities are cyclically induced during each rotor revolution; a control unit for the ignition current includes a current-control switch which can be triggered during a positive pulse of the voltage signals, to cut off the current in the primary winding and generate a high voltage on the secondary winding of the ignition coil. A second control switch has the control electrode connected to a current-control resistor in series with the current-control switch, and to the outlet of a voltage comparator connected to a timing circuit enabling the sparking within a pre-established time interval, preventing sparking when the engine is running below a minimum rotational speed, during the forward rotation and at the reverse rotation of the same engine.

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