US PATENT SUBCLASS 123 / 406.25
.~.~.~.~ Acceleration or deceleration responsive

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

406.11  DF  SPARK IGNITION TIMING CONTROL {5}
406.12  DF  .~ Electronic control {10}
406.19  DF  .~.~ Closed loop feedback control of spark timing {5}
406.24  DF  .~.~.~ Including means responsive to the instantaneous change in engine speed (e.g., roughness, unstable combustion, etc.) {1}
406.25.~.~.~.~ Acceleration or deceleration responsive

DEFINITION

Classification: 123/406.25

Acceleration or deceleration responsive:

(under subclass 406.24) Subject matter wherein the regulating means is responsive to a sudden demand for an increase or decrease in the power or torque output of the engine.

SEE OR SEARCH THIS CLASS, SUBCLASS:

406.5+, for an open loop spark ignition timing control responsive to an acceleration or deceleration engine condition.

SEE OR SEARCH CLASS

73, Measuring and Testing,

116+, for internal-combustion engine testing, per se.

701, Data Processing: Vehicles, Navigation, and Relative Location, subclass 110 for a digital or programmed data processing system associated with an internal combustion engine, designed to include the regulation of the vehicle speed, acceleration, or deceleration, where significant details of the mechanical construction of the component or subsystem within a vehicle are not claimed.