US PATENT SUBCLASS 701 / 105
.~.~.~.~.~ Controlling timing

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


701 /   HD   DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION

1  DF  VEHICLE CONTROL, GUIDANCE, OPERATION, OR INDICATION {19}
99  DF  .~ With indicator or control of power plant (e.g., performance) {2}
101  DF  .~.~ Internal-combustion engine {1}
102  DF  .~.~.~ Digital or programmed data processor {7}
103  DF  .~.~.~.~ Control of air/fuel ratio or fuel injection {6}
105.~.~.~.~.~ Controlling timing

DEFINITION

Classification: 701/105

Controlling timing:

(under subclass 103) Control system wherein the air/fuel ratio or fuel injection is controlled in response to the synchronization operation associated with the combustion or the ignition.

SEE OR SEARCH CLASS

123, Internal-Combustion Engines,

406.11+, for spark ignition timing control.