US PATENT SUBCLASS 415 / 22
.~.~.~ Runner bypass from inlet controlled


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}
20  DF  .~ Control of working fluid and diverse apparatus part {1}
21  DF  .~.~ Diverse part is runner portion or connection to shaft {1}
22.~.~.~ Runner bypass from inlet controlled


DEFINITION

Classification: 415/22

(under subclass 21) Apparatus in which the element or part comprises a runner* which is positioned between two sets of vanes*, one set guiding flow to the runner*, the other set

from the runner.*

(1) Note. The fluid flow guide vanes may themselves be movable relative to a fixed member.

(2) Note. Many patents herein disclose the use of the apparatus as either a turbine or a pump* the flow guide vanes being movable to various positions to vary the working fluid* velocity (turbine) or pressure (pump).