US PATENT SUBCLASS 123 / 506
.~.~ Having pressure relief valve

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


123 /   HD   INTERNAL-COMBUSTION ENGINES

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
495  DF  .~ With fuel pump {11}
506.~.~ Having pressure relief valve

DEFINITION

Classification: 123/506

Having pressure relief valve:

(under subclass 495) Subject matter wherein valve means is provided to relieve the pump output pressure under certain conditions.

(1) Note. This means may be incorporated in the pump or may be located externally.