US PATENT SUBCLASS 123 / 41.57
.~.~ With liquid cooling

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

41.01  DF  COOLING {27}
41.56  DF  .~ Air-cooled {7}
41.57.~.~ With liquid cooling

DEFINITION

Classification: 123/41.57

(under subclass 41.56) Cooling means wherein a part of the engine is cooled by a liquid, i.e., there is a primary liquid coolant as well as a primary air coolant.

SEE OR SEARCH THIS CLASS, SUBCLASS:

41.3, for mixed air and water coolant.