US PATENT SUBCLASS 123 / 275
.~.~ By fuel injection into precombustion or main combustion 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}
274  DF  .~ Having combustible mixture forming means {1}
275.~.~ By fuel injection into precombustion or main combustion chamber {3}
276  DF  .~.~.~> Fuel injected into precombustion chamber formed in piston
277  DF  .~.~.~> By fuel injection into precombustion chamber with carbureted main chamber
278  DF  .~.~.~> By fuel injection into main chamber with carbureted precombustion chamber

DEFINITION

Classification: 123/275

By fuel injection into precombustion or main combustion chamber:

(under subclass 274) Subject matter wherein fuel at a pressure greater than atmospheric is introduced into either the pre or main combustion chamber.