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Submersible hydroelectric generator apparatus and a method of evacuating water from such an apparatus

  • US 10,641,236 B2
  • Filed: 05/12/2014
  • Issued: 05/05/2020
  • Est. Priority Date: 05/10/2013
  • Status: Active Grant
First Claim
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1. A submersible hydroelectric generator apparatus comprising a substantially upright body having an outer chamber and an inner pressure chamber surrounded by and spaced apart from the outer chamber, the inner pressure chamber being in fluid communication with the outer chamber adjacent the lowermost end of the inner chamber, the inner pressure chamber having a pressurizable fluid supply therein, pressurizable by water flowing into the apparatus, the outer chamber having a charging inlet adjacent the top of the upright body, a discharge outlet located adjacent the bottom of the upright body, and a liquid passageway intermediate the charging inlet and the discharge outlet, the liquid passageway having a turbine mounted therein and a flow regulator in the liquid passageway intermediate the turbine and the discharge outlet, and in which there is provided a closure moveable to and from a first position blocking the discharge outlet thereby preventing evacuation of water from the apparatus and a second position opening the discharge outlet thereby permitting evacuation of water from the apparatus, and in which there is provided a controller and a closure actuator capable of moving the closure to and from the first position to and from the second position in response to a control input from the controller.

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