US PATENT SUBCLASS 123 / 459
.~.~.~.~ Bleed off valve


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}
459.~.~.~.~ Bleed off valve


DEFINITION

Classification: 123/459

Bleed off valve:

(under subclass 457) Subject matter wherein the pressure regulator adjusts the fuel pressure by bleeding some of the fuel.

(1) Note. Usually the bleed fuel is returned to the tank or pump inlet.