US PATENT SUBCLASS 477 / 101
.~ Engine ignition control for transmission change

Current as of: June, 1999
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477 /   HD   INTERRELATED POWER DELIVERY CONTROLS, INCLUDING ENGINE CONTROL

34  DF  TRANSMISSION CONTROL {15}
101.~ Engine ignition control for transmission change {4}
102  DF  .~.~> Ignition advanced or retarded
103  DF  .~.~> Ignition intermitting and safety means limiting duration of intermission
104  DF  .~.~> Ignition intermitting controlled by manifold pressure
105  DF  .~.~> Ignition intermitting initiated by positioning accelerator {1}

DEFINITION

Classification: 477/101

Engine ignition control for transmission change:

(under subclass 34) Subject matter wherein the engine* is of a type requiring periodic ignition for continued operation and the means to regulate the operation of the engine includes means to regulate or interrupt the periodic ignition to enable a gear transmission* speed ratio* change.