US PATENT SUBCLASS 95 / 279
.~.~ By use of gas

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

Internet Version by PATENTEC © 1999      Terms of Use


95 /   HD   GAS SEPARATION: PROCESSES

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

DEFINITION

Classification: 95/279

By use of gas:

(under subclass 278) Process in which the separated solid or liquid particles are removed from the filter by contacting the filter with a gas, usually in a direction opposite that of the process fluid flow during separation.

SEE OR SEARCH CLASS

55, Gas Separation,

302+, for cohesive filter cleaning means using pneumatic reverse flushing.