US PATENT SUBCLASS 123 / 457
.~.~.~ Regulating means adjusts fuel pressure

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.~.~.~ Regulating means adjusts fuel pressure {9}
458  DF  .~.~.~.~> Electric regulator
459  DF  .~.~.~.~> Bleed off valve
460  DF  .~.~.~.~> Series regulator
461  DF  .~.~.~.~> Having vapor returned to tank or pump inlet
462  DF  .~.~.~.~> By throttle control
463  DF  .~.~.~.~> Manifold pressure responsive
464  DF  .~.~.~.~> Temperature responsive
465  DF  .~.~.~.~> Barometric responsive
466  DF  .~.~.~.~> Having an antitampering device

DEFINITION

Classification: 123/457

Regulating means adjusts fuel pressure:

(under subclass 446) Subject matter wherein the flow rate of the fuel is regulated by controlling the fuel pressure in the system.