US PATENT SUBCLASS 60 / 292
.~.~.~.~ Valve at reactor outlet controlled

Current as of: June, 1999
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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}
287  DF  .~.~ Condition responsive control of reactor feed, pressure, or by-pass {3}
291  DF  .~.~.~ Of or by pressure in reactor or of engine exhaust {2}
292.~.~.~.~ Valve at reactor outlet controlled

DEFINITION

Classification: 60/292

(under subclass 291) Apparatus in which a valve controlling the discharge from the reactor to the atmosphere is actuated by a means sensing the pressure in the reactor.