US PATENT SUBCLASS 123 / 649
.~ Multiple primary current interrupters

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

594  DF  HIGH TENSION IGNITION SYSTEM {28}
649.~ Multiple primary current interrupters

DEFINITION

Classification: 123/649

Multiple primary current interrupters:

(under subclass 594) Subject matter wherein there are at least two switching elements carrying all or part of the ignition coil primary current.

(1) Note. These switching elements may be in series or in parallel and may be in circuit before or after the coil.