US PATENT SUBCLASS 701 / 104
.~.~.~.~.~ Controlling fuel quantity

Current as of: June, 1999
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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}
104.~.~.~.~.~ Controlling fuel quantity

DEFINITION

Classification: 701/104

Controlling fuel quantity:

(under subclass 103) Control system wherein the air/fuel ratio or fuel injection is controlled by modifying the supply of fuel to the combustion engine.

SEE OR SEARCH CLASS

123, Internal-Combustion Engines,

406.45+, for electronic control of combustible mixture or a constituent thereof, subclass 429 for a combustion chamber means combined with air-fuel mixture forming means, subclasses 478+ for a fuel injection system having an actuator circuit (e.g., engine condition responsive electronic circuit actuates injector valve), and subclasses 575+ for a means of forming a mixture of a diverse supply of fuel and an oxidant.