US PATENT SUBCLASS 123 / 41.8
.~.~.~ Spiral passages

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}
41.72  DF  .~ With jacketed head and/or cylinder {8}
41.79  DF  .~.~ With passages, baffles, etc. {1}
41.8.~.~.~ Spiral passages

DEFINITION

Classification: 123/41.8

(under subclass 41.79) Structures in which the path formed for the coolant is spiral, or forms an ascending or descending path extending around the cylinder.

SEE OR SEARCH THIS CLASS, SUBCLASS:

41.68, for air cooled cylinders having spiral passages or conduits.