(under the class definition) Apparatus provided with means for removing an undesired or unintended constituent (e.g., particles of a solid) from material which is enroute to, or within, or enroute from, a separator, and wherein the means is a medium of a porous or perforate nature which is placed in the flow path of the material and prevents the constituent from continuing to accompany the remainder of the material.
(1) Note. The means usually is in the nature of a screen, sieve, strainer, or the like (e.g., a fibrous batt).
SEE OR SEARCH CLASS
196, Mineral Oils: Apparatus,
46.1, for apparatus of that class adapted for separating either impurities or nonmineral oil components from mineral oil and wherein the apparatus is provided with filtering means.
210, Liquid Purification or Separation,
348+, for apparatus of that class including a filter.