Submersible electrical wicket gates operator
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United States of America Patent
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Jul 14, 2020
Grant Date -
Feb 2, 2017
app pub date -
Apr 16, 2015
filing date -
Apr 16, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method for electrically controlling a submersible hydro-electric production system for avoiding leakage of oil and contaminants used in the existing hydraulic systems. The system comprises one or more submersible electrical actuators operably connected to a gate operating ring which in turn is connected to a plurality of wicket gates in the turbine. Each submersible electrical actuator comprises an electrical motor connected to a push-pull rod which is configured to transform the rotation movement received at a first end thereof to a linear movement at a telescoping end opposite the first end for rotating the gate operating ring to a desired position. The electrical actuator includes a waterproof structure which houses the electrical motor and the push-pull rod and at the same time allows for a telescoping movement of the push-pull rod for rotating the gate operating ring.
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