US PATENT SUBCLASS 123 / 508
.~.~ Pumping member driven by the internal combustion engine valve operating mechanism

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

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
495  DF  .~ With fuel pump {11}
508.~.~ Pumping member driven by the internal combustion engine valve operating mechanism

DEFINITION

Classification: 123/508

Pumping member driven by the internal combustion engine valve operating mechanism:

(under subclass 495) Subject matter wherein the pump has a working member which is actuated by some part of the engine intake or exhaust valve driving mechanism, e.g., injection pump piston is driven by rocker arm or intake valve actuating mechanism.