公开(公告)号：EP3705392A1

公开(公告)日：2020-09-09

申请号：EP18872708.5

申请日：2018-10-31

申请人： Samsung Heavy Ind. Co., Ltd.

发明人： LEE, Hee Dong ,  KIM, Hee Taek ,  PARK, Hyoung Gil ,  AN, Dae Young ,  LEE, Sang Hwan ,  LEE, Tae Goo ,  LEE, Ho Jae ,  KIM, Dong Uk ,  CHO, Kyung Hyun

IPC分类号： B63H5/16 ,  B63H1/28

摘要： An apparatus for improving propulsion efficiency is discloses. An apparatus for improving propulsion efficiency according to embodiments of the present invention includes a duct disposed in front of a propeller, having an arc shape, and generating thrust; and a plurality of pre-swirl stators for supporting the duct to a stern boss, the plurality of pre-swirl stators generating a swirl flow in a direction opposite to a rotation direction of the propeller.