US PATENT SUBCLASS 415 / 149.3
.~.~.~ Means to reverse flow through blade set

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

148  DF  SELECTIVELY ADJUSTABLE VANE OR WORKING FLUID CONTROL MEANS {3}
149.1  DF  .~ Separate means upstream and downstream of blade set {1}
149.2  DF  .~.~ Including axial flow blade set {2}
149.3.~.~.~ Means to reverse flow through blade set

DEFINITION

Classification: 415/149.3

Means to reverse flow through blade set:

(under subclass 149.2) Device comprising means to alter the flow of working fluid* to, through, and from the one (axial

flow) row of runner blades to be in either of opposite directions.

SEE OR SEARCH THIS CLASS, SUBCLASS:

910, for a device reversible between pump and motor use.