US PATENT SUBCLASS 123 / 267
.~.~ Separate fuel or combustible mixture added to precombustion chamber

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

253  DF  PRECOMBUSTION AND MAIN COMBUSTION CHAMBERS IN SERIES {22}
266  DF  .~ Precombustion chamber assembly inserted in spark plug hole {1}
267.~.~ Separate fuel or combustible mixture added to precombustion chamber

DEFINITION

Classification: 123/267

Separate fuel or combustible mixture added to precombustion chamber:

(under subclass 266) Subject matter in which fuel or air-fuel mixture is added to the prechamber in addition to the fuel or mixture obtained from the main chamber.