(under subclass 97) Apparatus including means to maintain the ratio between plural flows at a predetermined value in response to means sensing a change in fluid condition in at least one of the flow lines.
SEE OR SEARCH THIS CLASS, SUBCLASS:
105, for diverse condition responsive controls one of which controls an auxiliary liquid inlet.
127, for a separator having a float controlled auxiliary fluid inlet.
198+, for separatory means having means to add treating material.
SEE OR SEARCH CLASS
137, Fluid Handling, 9, for self-proportioning fluid handling processes and subclasses 98+ for self-proportioning apparatus.
222, Dispensing,
57, for dispensing devices which are automatically controlled by the weight, volume or pressure of a second dispensed material, and subclass 130 for plural sources at least one of which is nondispensing.