US PATENT SUBCLASS 123 / FOR 113
.~ Speed responsive (123/418)

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

FOR 101  DF  SPARK IGNITION TIMING CONTROL (123/406) {16}
FOR 113.~ Speed responsive (123/418) {2}
FOR 114  DF  .~.~> Responsive to instantaneous changes in engine speed (e.g., roughness) (123/419)
FOR 115  DF  .~.~> Centrifugal timing mechanism (123/420)

DEFINITION

Classification: 123/FOR.113

Speed responsive:

Subject matter wherein the ignition timing control responds to engine rpm.