US PATENT SUBCLASS 123 / 636
.~ Multiple spark ignition system

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

594  DF  HIGH TENSION IGNITION SYSTEM {28}
636.~ Multiple spark ignition system {3}
637  DF  .~.~> System fires single spark plug per cylinder
638  DF  .~.~> System fires multiple spark plugs per cylinder
639  DF  .~.~> System using vibrator for multiple sparks upon starting

DEFINITION

Classification: 123/636

Multiple spark ignition system:

(under subclass 594) Subject matter wherein the ignition system induces a plurality of separate sparks per complete engine operating cycle in each cylinder.