IP Library › Granted Patent US 10,407,156
Granted Patent B2
US 10,407,156 · App. 15/803,961 · Granted Sep 10, 2019

Toroidal propeller

Inventors: Thomas Sebastian (Maynard, MA); Christopher Strem (Ellicott City, MD)
Assignee: Massachusetts Institute of Technology
B64C11/008B64C11/18B64C11/20F01D5/147F01D5/16B64C11/02B64C39/024B64C2201/108B64C2201/162F05D2240/307
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Quick Facts
Patent No.
US 10,407,156
App. No.
15/803,961
Granted
Sep 10, 2019
Kind
B2
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.

Claims (3)

1. 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.

2. The toroidal propeller of claim 1 having two or more propeller elements.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 13, 2019
From: STREM, CHRISTOPHER; SEBASTIAN, THOMAS
To: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Reel/Frame 049159/0425 →
Continuity (1)
Related Publication 20190135410A1 · May 9, 2019