US PATENT SUBCLASS 123 / 285
.~ Precombustion chamber having a specific shape


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123 /   HD   INTERNAL-COMBUSTION ENGINES

253  DF  PRECOMBUSTION AND MAIN COMBUSTION CHAMBERS IN SERIES {22}
285.~ Precombustion chamber having a specific shape


DEFINITION

Classification: 123/285

Precombustion chamber having a specific shape:

(under subclass 253) Subject matter wherein the prechamber has a shape disclosed as critical to the engine operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

281+, for a prechamber having a shape that can be formed by a figure of revolution.