US PATENT SUBCLASS 123 / 292
.~.~ With valve means or variable orifice means in the passage

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

253  DF  PRECOMBUSTION AND MAIN COMBUSTION CHAMBERS IN SERIES {22}
286  DF  .~ Having specific connecting passage means between precombustion and main combustion chambers {5}
292.~.~ With valve means or variable orifice means in the passage

DEFINITION

Classification: 123/292

With valve means or variable orifice means in the passage:

(under subclass 286) Subject matter wherein the means is provided in the connection between the pre and main chambers to vary the flow path therebetween.

SEE OR SEARCH THIS CLASS, SUBCLASS:

289+, for piston-controlled connected passage.