Internal combustion engine ignition system

Patent · Tue Jun 14 04:00:00 EDT 1988

OSTI ID:7063210

Neuhalfen, M A

A method is described of controlling the dwell time for each primary winding of a distributorless internal combustion engine ignition system for an internal combustion engine that has cylinders where the ignition system is of a type that has a plurality of primary windings and wherein means are provided, including secondary winding means, to cause a first pair of spark plugs associated with a first pair of different engine cylinders to be fired when primary current in one primary winding is switched on and off and for causing a second pair of spark plugs associated with a second pair of different engine cylinders to be fired when primary winding current in another primary winding is switched on and off. The primary windings are energized sequentially as a function of engine crankshaft position.

• Assignee: General Motors Corp., Detroit, MI
• Patent Number(s): US 4750467
• OSTI ID: 7063210
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330101* -- Internal Combustion Engines-- Spark-Ignition
COMPUTERIZED CONTROL SYSTEMS
CONTROL SYSTEMS
CURRENTS
CYLINDERS
DATA ACQUISITION SYSTEMS
DESIGN
ELECTRIC CURRENTS
ENGINES
HEAT ENGINES
IGNITION SYSTEMS
INTERNAL COMBUSTION ENGINES
OPERATION
SIGNALS
SPARK IGNITION ENGINES
TIMING PROPERTIES