Wingsail
AssigneeGT Green Technologies Limited
InventorGeorge Thompson
Life of this patent
Estimating the term…
Abstract
A wingsail comprising: a first aerofoil having a leading edge at a front of the wingsail and a trailing edge behind the front edge; and a second aerofoil having a leading edge and a trailing edge, the leading edge of the second aerofoil being closer than the trailing edge of the second aerofoil to a point of maximum cross-sectional width of the second aerofoil; wherein the wingsail is configured such that the leading edge of the second aerofoil can be positioned behind the trailing edge of the first aerofoil; wherein the first aerofoil comprises: an air inlet; an air outlet; a channel inside the first aerofoil connecting the air inlet and the air outlet; wherein air flow from the air inlet is directed by the channel to the air outlet.
Claims21
A wingsail comprising:
- a first aerofoil having a leading edge at a front of the wingsail and a trailing edge behind the leading edge;
- and
- a second aerofoil having a leading edge and a trailing edge, the leading edge of the second aerofoil being closer than the trailing edge of the second aerofoil to a point of maximum cross-sectional width of the second aerofoil;
- wherein the wingsail is configured such that the leading edge of the second aerofoil can be positioned behind the trailing edge of the first aerofoil;
- wherein the first aerofoil comprises:
- an air inlet comprising a port air inlet positioned on a port side of the first aerofoil and a starboard air inlet positioned on a starboard side of the first aerofoil;
- an air outlet;
- a channel inside the first aerofoil connecting the air inlet and the air outlet;
- and
- wherein air flow from the air inlet is directed by the channel to the air outlet and the air flow from the air outlet is directed out of the air outlet towards the leading edge of the second aerofoil, wherein one or more walls are placed along the air outlet.
Dependencies are inferred from the claim text.