US PATENT SUBCLASS 123 / 561
.~.~ Variable ratio compressor driven supercharger

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}
561.~.~ Variable ratio compressor driven supercharger

DEFINITION

Classification: 123/561

Variable ratio compressor driven supercharger:

(under subclass 559) Subject matter having a compressor to supercharge the air or mixture wherein the drive ratio between the compressor and its driving means (generally the engine) is capable of being varied.