US PATENT SUBCLASS 60 / 282
.~ By means producing a chemical reaction of a component of the exhaust gas


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.~ By means producing a chemical reaction of a component of the exhaust gas {13}
283  DF  .~.~> With means handling crankcase, carburetor, or gas tank vapor
284  DF  .~.~> Automatic or timed reactor purge or heat-up in engine starting operation
285  DF  .~.~> Engine fuel, air, or ignition controlled by sensor of reactor condition
286  DF  .~.~> Condition responsive control of heater, cooler, igniter, or fuel supply of reactor
287  DF  .~.~> Condition responsive control of reactor feed, pressure, or by-pass {3}
294  DF  .~.~> Reactor control correlated with cyclic or external engine control
295  DF  .~.~> Having means for regenerating, replacing, or feeding liquid or solid reagent or catalyst {1}
297  DF  .~.~> Reactor plus a washer, sorber or mechanical separator
298  DF  .~.~> With means cooling reactor or reactor feed
299  DF  .~.~> Using a catalyst {3}
303  DF  .~.~> Having heater, igniter, or fuel supply for reactor
304  DF  .~.~> Oxidizer feed passage at engine exhaust valve, manifold or port {2}
307  DF  .~.~> Pressurizing means feeds reactive air to reactor {1}


DEFINITION

Classification: 60/282

(under subclass 272) Apparatus having means for chemically reacting at least one of the constituent materials of the combustion products to produce a substance less harmful to living organisms.

SEE OR SEARCH CLASS

422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,

168+, for a chemical or catalytic reactor for treating exhaust gas.

423, Chemistry of Inorganic Compounds,

212+, for a process of purifying a mixture that is nominally the exhaust of an internal combustion engine.