US PATENT SUBCLASS 123 / 263
.~.~ Whirling in precombustion chamber only

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

253  DF  PRECOMBUSTION AND MAIN COMBUSTION CHAMBERS IN SERIES {22}
262  DF  .~ Having fluid whirling means {1}
263.~.~ Whirling in precombustion chamber only

DEFINITION

Classification: 123/263

Whirling in precombustion chamber only:

(under subclass 262) Subject matter wherein the means causes whirling of the fluid only in the prechamber.