US PATENT SUBCLASS 55 / 352
.~ Advancing means initiated by flow, pressure, or pressure differential of gas

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

351  DF  WITH MEANS FOR ADVANCING CLEAN PORTIONS OF CONTINUOUS OR INDEFINITE LENGTH SEPARATING MEDIA INTO GAS STREAM {3}
352.~ Advancing means initiated by flow, pressure, or pressure differential of gas

DEFINITION

Classification: 55/352

(under subclass 351) Apparatus in which the operation of the means causing the removal or advancing of the separator media (1) is directly responsive to an element subjected to the presence or absence of the gas flow, or (2) results utimately from a device sensing the pressure or pressure differential across a portion of the gas flow path.

SEE OR SEARCH THIS CLASS, SUBCLASS:

283, and 288, for similar apparatus for initiating or controlling the cleaning means of the separating media.

SEE OR SEARCH CLASS

96, Gas Separation: Apparatus,

397+, for gas separation apparatus with automatic control means for gas or nongaseous constituent discharge.