US 12,330,764 B2
Upright tank-based propulsion assistance rotor sail system and vessel equipped with same
Hee Jin Kang, Gyeryong-si (KR); and Jang Pyo Hong, Daejeon (KR)
Assigned to Korea Institute of Ocean Science & Technology, Busan (KR)
Filed by Korea Institute of Ocean Science & Technology, Busan (KR)
Filed on Jul. 20, 2022, as Appl. No. 17/813,846.
Claims priority of application No. 10-2022-0063013 (KR), filed on May 23, 2022.
Prior Publication US 2023/0373604 A1, Nov. 23, 2023
Int. Cl. B63H 9/02 (2006.01)
CPC B63H 9/02 (2013.01) 8 Claims
OG exemplary drawing
 
1. An upright tank-based propulsion assistance rotor sail system comprising:
at least one upright tank; and
a rotatable rotor sail having a cylindrical shape and having a length and diameter greater than or equal to the at least one upright tank, the rotatable rotor sail surrounding at least part of an outer circumferential surface of the at least one upright tank,
wherein the rotatable rotor sail is concentrically arranged with respect to the at least one upright tank, and is movable along a height direction of the outer circumferential surface of the at least one upright tank to maintain a predetermined height.