US PATENT SUBCLASS 137 / 565.32
.~.~.~.~.~ One pump driven by motive fluid from the other

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

561 R  DF  SYSTEMS {32}
565.01  DF  .~ With pump {11}
565.29  DF  .~.~ Plural {2}
565.3  DF  .~.~.~ Serial {1}
565.31  DF  .~.~.~.~ With single motive input {1}
565.32.~.~.~.~.~ One pump driven by motive fluid from the other

DEFINITION

Classification: 137/565.32

One pump driven by motive fluid from the other:

(under subclass 565.31) Subject matter wherein one pump additionally supplies gas or liquid as a power source for a motor to drive another device. [figure] [caption]Figure 1: A typical example of the subject matter. A - Reservoir; B - Pressure pump; C - Supply motor pump; D - Supply inlet; E - Pressure outlet; F - Intake of pressure pump; G - Outlet of pressure pump; H - Fluid pressure user; J - Pressure inlet of supply motor pump.

SEE OR SEARCH CLASS

417, Pumps,

382, for plural pumping members with one additionally supplying motive fluid for the second.