Apparatus for controlling ignition in internal combustion engine

Patent · Tue Jun 23 04:00:00 EDT 1987

OSTI ID:6299640

Tokura, N; Kawai, H; Goto, M

An apparatus is described for controlling ignition in an internal combustion engine, comprising a DC power supply for generating a DC voltage; an ignition coil having first and second primary coils and a secondary coil; a first switching element constituting a first closed circuit including the DC power supply and the first primary coil; a second switching element constituting a second closed circuit including the DC power supply and the second primary coil; a reverse-flow preventing element for setting a current-flow direction in the first and second closed circuits to one direction; a current detection element for detecting the current flowing through the first and second closed circuits; ignition instruction signal generating means for repeatedly generating a first ignition instruction signal instructing an AC discharging duration and a second ignition instruction signal instructing a first time length of flow of the primary current at each spark timing; and ignition control circuit means for causing the first and second switching elements to perform a push-pull operation for a predetermined period upon reception of a given ignition instruction signal.

• Assignee: Nippon Soken, Inc., Nishio
• Patent Number(s): US 4674467
• OSTI ID: 6299640
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330101* -- Internal Combustion Engines-- Spark-Ignition
ALTERNATING CURRENT
CONTROL SYSTEMS
CURRENTS
DIRECT CURRENT
ELECTRIC COILS
ELECTRIC CURRENTS
ELECTRIC DISCHARGES
ELECTRIC POTENTIAL
ELECTRIC SPARKS
ELECTRICAL EQUIPMENT
ELECTRONIC CIRCUITS
ENGINES
EQUIPMENT
HEAT ENGINES
IGNITION SYSTEMS
INTERNAL COMBUSTION ENGINES
SIGNALS
SPARK IGNITION ENGINES
SWITCHING CIRCUITS