US PATENT SUBCLASS 123 / 551
.~.~.~ Part of combustible mixture is burned

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

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
543  DF  .~ Heating of combustible mixture {13}
550  DF  .~.~ Combustion heater {1}
551.~.~.~ Part of combustible mixture is burned

DEFINITION

Classification: 123/551

Part of combustible mixture is burned:

(under subclass 550) Subject matter wherein a means is provided to draw off a portion of the normal fuel-air mixture to be combusted externally of the combustion chamber to supply heat for the remaining mixture.

(1) Note. The combustion products from this process may be exhausted or reintroduced into the charge.