(under subclass 282) Apparatus having two or more substantially independently functioning separating media and further including means whereby the media are serially refurbished in some predetermined order defined by the law of
the machine.
(1) Note. For this and the indented subclasses the qualification of independent separating media is considered met by apparatus in which a running length of separating material has been supported or maintained in a manner to form from such length a plurality of separate and distinct media simultaneously used for separation, i.e. some portions at the region of support thereof blocked from gas separating operation.
SEE OR SEARCH CLASS
96, Gas Separation: Apparatus,
426+, for gas separation apparatus having means for sequential cleaning of plural separating units with timing or changeable programming means.