US PATENT SUBCLASS 415 / 162
.~.~.~.~ Plural, selectively adjustable vane sets

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}
151  DF  .~ Upstream of runner {7}
159  DF  .~.~ Plural and arcuately or circularly arranged around runner axis {2}
160  DF  .~.~.~ Individually pivoted vanes {3}
162.~.~.~.~ Plural, selectively adjustable vane sets

DEFINITION

Classification: 415/162

(under subclass 160) Apparatus comprising two or more distinct sets of vanes*, all the vanes* in one set being simultaneously movable.

(1) Note. A set of vanes* comprises at least two physically interrelated vanes*, usually in a single circular annulus and which together controls the working fluid* at a particular

zone or area of the path. See (1) Note in subclass 52 for definition of a blade set.

(2) Note. Each set of vanes* may control working fluid* flow to a distinct set of runner* blades*, or all sets of vanes* may control flow to a single set of runner* blades*.