Means to regulate water velocity through a hydro electric...

Details Means to regulate water velocity through a hydro electric... Means to regulate water velocity through a hydro electric...

2007-08-21

2007-08-21

Kershteyn, Igor (Department: 3745)

Rotary kinetic fluid motors or pumps

With means for controlling casing or flow guiding means in...

C415S003100, C415S004300, C415S007000, C415S906000

Reexamination Certificate

active

10852481

ABSTRACT:
A hydro electric turbine having a flexible, collapsible front shroud, the upstream open end of the front shroud being controlled by a draw line passing through purse rings, whereby the upstream end can be closed by drawing on the draw line, thereby stopping water flow through the turbine. Decreased drag allows the turbine to rise to the surface. Opening the upstream end so that water flows into the turbine increases drag to lower the turbine into the water and causes rotation of the turbine blades.

REFERENCES:
patent: 2054142 (1936-09-01), Sharp
patent: 3168870 (1965-02-01), Hornschuch
patent: 3618699 (1971-11-01), Evans et al.
patent: 3760779 (1973-09-01), MacLennan
patent: 4868408 (1989-09-01), Hesh
patent: 6409466 (2002-06-01), Lamont

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