US PATENT SUBCLASS 415 / 4.4
.~ Vertical runner axis

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

2.1  DF  WITH MEANS FOR CONTROLLING CASING OR FLOW GUIDING MEANS IN RESPONSE TO NATURAL FLUID CURRENT FORCE OR DIRECTION {4}
4.4.~ Vertical runner axis

DEFINITION

Classification: 415/4.4

Vertical runner axis:

(under subclass 2.1) Device wherein the runner's* axis of rotation is generally parallel to the force of gravity acting on the working fluid*.

SEE OR SEARCH THIS CLASS, SUBCLASS:

4.2, for a device with means for controlling a casing* or flow guiding means in response to natural fluid current force, which device has a vertical runner axis.