US PATENT SUBCLASS 123 / 463
.~.~.~.~ Manifold pressure responsive

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}
446  DF  .~.~ Fuel pump flow regulation {4}
457  DF  .~.~.~ Regulating means adjusts fuel pressure {9}
463.~.~.~.~ Manifold pressure responsive

DEFINITION

Classification: 123/463

Manifold pressure responsive:

(under subclass 457) Subject matter including means to adjust the fuel pressure in accordance with the pressure in the intake manifold of the engine.