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Title:
VERTICAL SHAFT IMPELLER BLADE PROPULSION APPARATUS FOR ELECTRIC PROPULSION VESSEL
Document Type and Number:
WIPO Patent Application WO/2018/199708
Kind Code:
A1
Abstract:
The present invention relates to a vertical shaft impeller blade propulsion apparatus for an electric propulsion vessel which uses an impeller blade having a vertical rotary shaft and can completely isolate a bearing used in the rotary shaft from seawater. The vertical shaft impeller blade propulsion apparatus for an electric propulsion vessel comprises: a water flow casing having an inlet port and an outlet port formed therein; at least one impeller motor positioned on top of the water flow casing; a vertical rotary shaft connected vertically to a lower portion of the at least one impeller motor so as to be rotated; an impeller blade attached to an outer circumferential surface of the vertical rotary shaft; a bearing box connected to a lower portion of the vertical rotary shaft and rotating together along with the vertical rotary shaft and having a bearing space with an open lower portion thereinside; a fixed vertical shaft fixed to the bottom of the water flow casing and inserted into the bearing space of the bearing box through the bottom the bearing box; and a bearing positioned between the bearing box and the fixed vertical shaft.

Inventors:
YU, Je Woo (#102-602, 95 Sambong-ro,Jongno-gu, Seoul, 03150, KR)
Application Number:
KR2018/004998
Publication Date:
November 01, 2018
Filing Date:
April 30, 2018
Export Citation:
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Assignee:
YU, Je Woo (#102-602, 95 Sambong-ro,Jongno-gu, Seoul, 03150, KR)
PARK, Young Hoon (#104-504, 118-7 Deokso-ro, Wabu-eup,Namyangju-si, Gyeonggi-do, 12214, KR)
International Classes:
B63H11/08; B63H21/17; B63H23/32
Domestic Patent References:
WO2010086958A12010-08-05
Foreign References:
KR20030025236A2003-03-28
KR20140108321A2014-09-05
KR20130000091A2013-01-02
KR20130025326A2013-03-11
US7387556B12008-06-17
Attorney, Agent or Firm:
BAE, Jung Il (#2 13F, 503 Nonhyeon-ro,Gangnam-gu, Seoul, 06132, KR)
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