Global Patent Index - EP 3705392 A4

EP 3705392 A4 20210804 - APPARATUS FOR ENHANCING PROPULSION EFFICIENCY

Title (en)

APPARATUS FOR ENHANCING PROPULSION EFFICIENCY

Title (de)

VORRICHTUNG ZUR STEIGERUNG DER ANTRIEBSLEISTUNG

Title (fr)

APPAREIL POUR AMÉLIORER L'EFFICACITÉ DE PROPULSION

Publication

EP 3705392 A4 20210804 (EN)

Application

EP 18872708 A 20181031

Priority

  • KR 20170143239 A 20171031
  • KR 20170143315 A 20171031
  • KR 20170143359 A 20171031
  • KR 20170143470 A 20171031
  • KR 2018013108 W 20181031

Abstract (en)

[origin: EP3705392A1] 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.

IPC 8 full level

B63H 5/16 (2006.01); B63H 1/28 (2006.01)

CPC (source: EP)

B63H 1/28 (2013.01); B63H 5/16 (2013.01)

Citation (search report)

  • No further relevant documents disclosed
  • See references of WO 2019088696A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3705392 A1 20200909; EP 3705392 A4 20210804; CN 111295329 A 20200616; JP 2021501089 A 20210114; JP 7145945 B2 20221003; SG 11202003855R A 20200528; WO 2019088696 A1 20190509

DOCDB simple family (application)

EP 18872708 A 20181031; CN 201880070528 A 20181031; JP 2020524164 A 20181031; KR 2018013108 W 20181031; SG 11202003855R A 20181031