US PATENT SUBCLASS 209 / 710
.~.~.~.~ Plural individual interconnected separation means having swirling currents

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

Internet Version by PATENTEC © 1999      Terms of Use


209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

132  DF  FLUID SUSPENSION {2}
133  DF  .~ Gaseous {7}
142  DF  .~.~ Grading deposition {1}
143  DF  .~.~.~ With deflection {4}
710.~.~.~.~ Plural individual interconnected separation means having swirling currents {1}
711  DF  .~.~.~.~.~> Fluidically induced, oppositely directed axial flows only (e.g., multiple cyclone arrangements, etc.) {1}

DEFINITION

Classification: 209/710

Plural individual interconnected separation means having swirling currents:

(under subclass 143) Methods and apparatus including multiple, discrete rotary stream creating separating phases to either (1) treat the total entrained or suspended material sequentially, (2) treat multiple fractions of the entrained or suspended material simultaneously, or (3) treat the entrained or suspended material by a combination of sequential and simultaneous operations, to promote deposition of entrained or suspended material from the gaseous suspension due to resultant centrifugal or centripetal forces.

(1) Note. Included in this subclass and those indented hereunder as a discrete separating phase is the feature of filtering a resultant gaseous suspension from a prior discrete separating phase to extract the entrained or suspended material therefrom and provide substantially purified gas for either release to the environs or for reuse.

(2) Note. The preceding subclasses which involve gaseous suspension and deposition should be searched for the separation of entrained or suspended material subjected to a suspending and classifying action of an impinging gaseous current or a combination therewith.

SEE OR SEARCH THIS CLASS, SUBCLASS:

12.1+, for combinations of diverse types of separating operations including gaseous suspension separation.

725+, for analogous subject matter for liquid suspension separation. See (1) Note in Class 209 subclass 155.

SEE OR SEARCH CLASS

55, Gas Separation, appropriate subclasses, for the complete removal of entrained or suspended material without separation into a plurality of grades or classes; especially,

317, for a serial arrangement of plural gas separators including one separator having a rotating member; subclasses 342+ for combinations of distinct gas separators provided with individual inlets and outlets; and subclasses 401+ for arrangements of plural gas separator devices each having rotating members.

95, Gas Separation: Processes, appropriate subclasses, for methods involving the complete removal of entrained or suspended material without separation into a plurality of grades or classes; especially,

267+, for gas separation processes involving deflection to create a swirling motion.

210, Liquid Purification or Separation, appropriate subclasses, for analogous subject matter involving indiscriminate solids removal from liquid suspension. See (3) Note in Class 209

132, and (1) Note in Class 209 subclass 155.

406, Conveyors: Fluid Current, appropriate subclasses, for delivering entrained or suspended material from a gaseous current conveyor.