US PATENT SUBCLASS 123 / 490
.~.~.~.~ Injector solenoid drive

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

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
445  DF  .~ Fuel injection system {5}
472  DF  .~.~ Electrically actuated injector {5}
478  DF  .~.~.~ Actuator circuit (e.g., engine condition responsive electronic circuit actuates injector valve) {15}
490.~.~.~.~ Injector solenoid drive

DEFINITION

Classification: 123/490

Injector solenoid drive:

(under subclass 478) Subject matter wherein said circuit has a decision making or computing section and employs a particular subcircuit connected to the output of that section to amplify or alternatively switch the output of said circuit to a particular injector valve or group of valves.

SEE OR SEARCH CLASS

361, Electricity: Electrical Systems and Devices,

139+, for circuits for driving electromagnetic devices.