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US 10,836,466 B2Granted
Toroidal propeller
AssigneeMassachusetts Institute of Technology
InventorsThomas Sebastian, Christopher Strem
Life of this patent
Estimating the term…
Abstract
The propeller includes a hub supporting a plurality of elongate propeller elements in which a tip of a leading propeller element curves into contact with a trailing propeller element to form a closed structure with increased stiffness and reduced acoustic signature.
Claims12
Toroidal propeller comprising:
- a hub supporting a plurality of elongate propeller elements in which a tip of a leading propeller element curves into contact with a trailing propeller element to form a closed structure with increased stiffness and reduced acoustic signature.
Toroidal propeller comprising:
- a hub supporting a plurality of elongate propeller elements in which a terminal end tip of a leading propeller element curves into contact with a trailing propeller element to form a closed structure with increased stiffness and reduced acoustic signature, with a terminal end of the trailing propeller element curving into contact with the hub.
Toroidal propeller comprising:
- a hub supporting a plurality of elongate propeller elements in which a tip of a leading propeller element of a first elongate propeller element of the plurality of elongate propeller elements curves into contact with a trailing propeller element of a second elongate propeller element of the plurality of elongate propeller elements, the second elongate propeller element being an adjacent elongate propeller element to the first elongate propeller element, to form a closed structure with increased stiffness and reduced acoustic signature,
- wherein an initiation location at which the tip of the leading propeller element is initiated is at a different location than a termination location at which a tip of the trailing propeller element terminates.
Toroidal propeller comprising:
- a hub supporting a plurality of elongate propeller elements, each elongate propeller element having a first terminal end that extends from the elongate propeller element adjacent thereto and a second terminal end that extends from the hub in which a tip of a leading propeller element curves into contact with a trailing propeller element to form a closed structure with increased stiffness and reduced acoustic signature.
Dependencies are inferred from the claim text.