US PATENT SUBCLASS 210 / 921
.~ Flow equalization or time controlled stages or cycles


Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

918  DF  MISCELLANEOUS SPECIFIC TECHNIQUES {5}
921.~ Flow equalization or time controlled stages or cycles


DEFINITION

Classification: 210/921

Flow equalization or time controlled stages or cycles:

Collection of disclosures under collection 918 in which a process has provision to even surges and lapses in the flow of liquid being treated, or in which the operation proceeds according to a schedule based on time or demand on the systems.

(1) Note. Among various examples encompassed in this collection are disclosures wherein a holding tank may be utilized to prevent discharge into an over loaded conduit, a rest period for recovery or regeneration of equipment or parts of a system may be set to operate in off-peak periods to reduce demand capacity.