US PATENT SUBCLASS 415 / 53.3
.~.~ Having selectively adjustable vane or working fluid control means

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

52.1  DF  WITH MEANS FOR RE-ENTRY OF WORKING FLUID TO BLADE SET (E.G., RE-ENTRY TYPE DEVICE, PASSAGE, ETC.) {11}
53.1  DF  .~ Cross flow runner {2}
53.3.~.~ Having selectively adjustable vane or working fluid control means

DEFINITION

Classification: 415/53.3

Having selectively adjustable vane or working fluid control means:

(under subclass 53.1) Device comprising a working fluid* guiding vane* or other means which may be moved positively and at will and may be retained in any one of a multiplicity of different positions to vary the direction or amount of working fluid flow.

SEE OR SEARCH THIS CLASS, SUBCLASS:

53.2, for a cross flow runner* device having a selectively adjustable vane or deflector within a runner blade* set.

148+, for a selectively adjustable vane or working fluid control means in a nonreentry device.