US PATENT SUBCLASS 123 / 41.39
.~.~.~ Side wall opening

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

41.01  DF  COOLING {27}
41.34  DF  .~ Internal cooling of moving parts; e.g., hollow valves, pistons, and movable cylinder {3}
41.35  DF  .~.~ Piston {3}
41.39.~.~.~ Side wall opening

DEFINITION

Classification: 123/41.39

(under subclass 41.35) Cooling means wherein the piston has openings in its side wall or cylindrical surface which usually communicate with openings in the cylinder for the passage of a coolant to or from the interior or side of the piston.

SEE OR SEARCH THIS CLASS, SUBCLASS:

41.78, for cylinder jackets adapted to be traversed by sidewall type cylinder valves.