US PATENT SUBCLASS 415 / 2.1
WITH MEANS FOR CONTROLLING CASING OR FLOW GUIDING MEANS IN RESPONSE TO NATURAL FLUID CURRENT FORCE OR DIRECTION

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

2.1WITH MEANS FOR CONTROLLING CASING OR FLOW GUIDING MEANS IN RESPONSE TO NATURAL FLUID CURRENT FORCE OR DIRECTION {4}
3.1  DF  .~> Having specific features for water current
4.1  DF  .~> Natural fluid current force responsive {2}
4.4  DF  .~> Vertical runner axis
4.5  DF  .~> Axial flow runner

DEFINITION

Classification: 415/2.1

WITH MEANS FOR CONTROLLING CASING OR FLOW GUIDING MEANS IN RESPONSE TO NATURAL FLUID CURRENT FORCE OR DIRECTION:

(under the class definition) Device comprising means for adjusting the position or effect of a casing* or other working fluid* flow directing member which means acts in accordance to the strength or orientation of a flowing, unconfined, and natural working fluid such as a wind or water stream.

SEE OR SEARCH THIS CLASS, SUBCLASS:

905+, for a natural fluid current motor comprising a casing or flow guiding means which is not controlled in response to current force or direction.

SEE OR SEARCH CLASS

416, Fluid Reaction Surfaces (i.e., Impellers),

9+, for the combination of an uncased runner (e.g., windmill, etc.) and a guide vane attached thereto for adjusting the position of the runner in a wind or fluid stream, and subclasses 31+ for means for controlling an uncased runner in a wind or fluid stream in response to noncyclic condition sensing.