US2021033061A1PendingUtilityA1

Survivability of Wave Energy Convertors

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Assignee: OSCILLA POWER INCPriority: Apr 30, 2018Filed: Aug 18, 2020Published: Feb 4, 2021
Est. expiryApr 30, 2038(~11.8 yrs left)· nominal 20-yr term from priority
Inventors:Timothy R MundonBrian RosenbergAndrew Joseph GillBen AckersIan MccauleyKen Fitzgerald
Y02E10/30F03B 13/18F03B 15/00F03B 13/1895F05B 2270/18F03B 13/1865F03B 13/20F03B 13/1885F05B 2270/107
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Claims

Abstract

A wave energy conversion (WEC) system includes a float body, a heave plate, a tether, and a controller. The tether couples the heave plate to the float body. The controller controls the tether between survivability modes. Each survivability mode adjusts a tension and/or length of the tether.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A wave energy conversion (WEC) system comprising:
 a float body;   a heave plate;   at least one tether to couple the heave plate to the float body; and   a controller to control the at least one tether between survivability modes, wherein each survivability mode adjusts a tension and/or length of the at least one tether.   
     
     
         2 . The system of  claim 1 , wherein the controller is further configured to at least partially submerge the float body below a surface of a body of water in response to a determination of a survivability event. 
     
     
         3 . The system of  claim 2 , wherein the survivability event comprises a change in wave conditions. 
     
     
         4 . The system of  claim 2 , wherein the survivability event comprises an anticipated change in wave conditions. 
     
     
         5 . The system of  claim 2 , wherein the float body comprises at least one ballast chamber. 
     
     
         6 . The system of  claim 5 , further comprising a compressor to pump air into the at least one ballast chamber to evacuate water from the at least one ballast chamber. 
     
     
         7 . The system of  claim 1 , wherein the controller is further configured to control the at least one tether in response to a determination of a survivability event. 
     
     
         8 . The system of  claim 5 , wherein the survivability event comprises a change in wave conditions. 
     
     
         9 . The system of  claim 5 , wherein the survivability event comprises an anticipated change in wave conditions. 
     
     
         10 . The system of  claim 1 , wherein the heave plate comprises an asymmetric heave plate.

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