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Vertically-variable ocean sail system

  • US 9,346,527 B2
  • Filed: 03/17/2014
  • Issued: 05/24/2016
  • Est. Priority Date: 06/22/2011
  • Status: Active Grant
First Claim
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1. A mechanical sail system, comprising:

  • a silo, positioned below a deck level of a ship;

    a lift carriage, mounted within the silo, and supporting a first sail cylinder and a second sail cylinder; and

    at least a first drive motor coupled to a control system for selectively positioning the lift carriage within the silo, the control system operable to control said at least first drive motor to position said lift carriage at a top position within the silo to deploy the first and second sail cylinders.

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