US PATENT SUBCLASS 60 / 302
.~.~.~ Catalyst in engine manifold or at exhaust port


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



60 /   HD   POWER PLANTS

272  DF  INTERNAL COMBUSTION ENGINE WITH TREATMENT OR HANDLING OF EXHAUST GAS {18}
282  DF  .~ By means producing a chemical reaction of a component of the exhaust gas {13}
299  DF  .~.~ Using a catalyst {3}
302.~.~.~ Catalyst in engine manifold or at exhaust port


DEFINITION

Classification: 60/302

(under subclass 299) Apparatus in which the catalyst is positioned directly in the exhaust manifold or between the manifold and the combustion chamber of the engine.