US PATENT SUBCLASS 415 / 26
.~ Responsive to moving member developed fluid force, current or pressure

Current as of: June, 1999
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415 /   HD   ROTARY KINETIC FLUID MOTORS OR PUMPS

13  DF  WITH CONTROL MEANS RESPONSIVE TO NON-CYCLIC CONDITION SENSING, CENTRIFUGAL ACTUATION OR TORQUE {13}
26.~ Responsive to moving member developed fluid force, current or pressure {3}
27  DF  .~.~> Of relief valve in branched pump discharge line
28  DF  .~.~> Of valve bypassing runner stage
29  DF  .~.~> Motor and upstream working fluid flow control

DEFINITION

Classification: 415/26

(under subclass 13) Apparatus in which the runner* or another means secured to and moving with the runner supporting shaft acts on a fluid to increase its velocity or its pressure and

the sensing means responds to a force exerted by the fluid after being acted upon by the runner* or such other means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

175, for a separate, connected pump for circulating lubricant and not involving automatic control.

SEE OR SEARCH CLASS

417, Pumps,

1+, for a rotary kinetic fluid pump comprising a working fluid condition responsive motor control; and subclasses 279+ for a rotary kinetic fluid pump with a working fluid condition responsive bypass.