US PATENT SUBCLASS 137 / 565.35
.~.~ With pump bypass


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



137 /   HD   FLUID HANDLING

561 R  DF  SYSTEMS {32}
565.01  DF  .~ With pump {11}
565.35.~.~ With pump bypass


DEFINITION

Classification: 137/565.35

With pump bypass:

(under subclass 565.01) Subject matter having means whereby fluid in the system may either pass through the pump or be caused to flow around the pump. [figure] [caption]Figure 1: A typical example of the subject matter. A - Inlet conduit; B - Discharge conduit; C - Bypass connecting inlet conduit to outlet conduit; P - Motor driven pump; T - Timer.

SEE OR SEARCH THIS CLASS, SUBCLASS:

115.01+, for a self-controlled branched flow system including bypass or relief controlled by a main line condition.

563+, for a closed circulating system including one or more return bypasses wherein a portion of the fluent material in a flow line is diverted from and returned to the flow line at a point upstream from the point of diversion and subclass 599.1 for a flow passage with a bypass connection.

599+, for bypasses in distributing systems, and see the search notes to subclass 599.

SEE OR SEARCH CLASS

222, Dispensing,

318, for a discharge assistant with a bypass or return to the supply. 417, Pumps,

283, and 284 for a condition responsive pumped fluid control with a bypass or relief valve and subclass 440 for an expansible chamber-type pump having a separate noncyclic bypass valve.