US PATENT SUBCLASS 123 / 532
.~.~ Air is bled from the cylinder on the compression stroke in that cylinder

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

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
531  DF  .~ Auxiliary air or gas used to inject fuel {4}
532.~.~ Air is bled from the cylinder on the compression stroke in that cylinder

DEFINITION

Classification: 123/532

Air is bled from the cylinder on the compression stroke in that cylinder:

(under subclass 531) Subject matter in which means is provided to bleed a small amount of air or other gas from the cylinder to which it will be fed during that cylinder's compression stroke.