US PATENT SUBCLASS 95 / 280
.~.~.~ Pulsed gas flow

Current as of: June, 1999
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95 /   HD   GAS SEPARATION: PROCESSES

273  DF  FILTERING {7}
278  DF  .~ With cleaning of filter {3}
279  DF  .~.~ By use of gas {1}
280.~.~.~ Pulsed gas flow

DEFINITION

Classification: 95/280

Pulsed gas flow:

(under subclass 279) Process in which the pressure of the gas that contacts the filter in order to remove the separated solid or liquid particles increases and decreases periodically.