Internal-combustion engines – High tension ignition system – Using capacitive storage and discharge for spark energy
Patent
1991-07-01
1992-09-15
Argenbright, Tony M.
Internal-combustion engines
High tension ignition system
Using capacitive storage and discharge for spark energy
123634, 123638, F02P 306
Patent
active
051469057
ABSTRACT:
A capacitor discharge ignition system (10) for an internal combustion engine has an ignition coil (22) with a magnetically permeable core (24) having an axially extending core bar (26), a primary winding (30) wound around the core bar, and a pair of secondary windings (32 and 34) axially spaced along the primary winding. A pair of spark plugs (42 and 44) are each energized by a respective one of the secondary windings. The output voltage rise time of each of the secondary windings is fast enough and of sufficient magnitude to cause the respective spark plug to ignite a combustible mixture. The output voltage rise time of each of the secondary windings remains fast enough and of sufficient magnitude to cause its respective spark plug to ignite the combustible mixture even if the spark plug of the other secondary winding becomes fouled and presents a low impedance. Each of the secondary windings dissipates substantially constant energy even if the spark plug of the other secondary winding becomes fouled.
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Argenbright Tony M.
Brunswick Corporation
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