US PATENT SUBCLASS 123 / 564
.~.~ Boost control

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

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
559.1  DF  .~ Supercharger {9}
564.~.~ Boost control

DEFINITION

Classification: 123/564

Boost control:

(under subclass 559) Subject matter including manual or condition responsive means to control the degree of pressurization of the air or mixture by the supercharger.