13-07-2015 дата публикации
Номер: KR1020150081160A
Автор:
JANG, HYUN GIL,
KIM, JEONG HWAN,
LEE, JEONG DAE,
KIM, SEONG JONG,
KIM, SEI HWAN,
CHA, HYEON TAE,
KIM, SE EUN,
KIM, YONG SOO
Принадлежит:
The present invention relates to a propeller for a ship enabling a filling material to be molded in a spaced unit of a hub after a blade made of a composite material is slid and coupled to a coupling groove of the hub made of a metal material. According to one embodiment of the present invention, the propeller for a ship comprises: the cylindrical hub which is made of a metal material, is hollow, is fixated and coupled to a drive shaft connected to an engine or a motor of a ship, and rotates, wherein the coupling grooves and the space units are formed on an outer circumferential surface at constant intervals in a circumferential direction; the blade which is molded with a composite material, is slid into, inserted into, and fixed in the coupling groove, comes in contact with seawater when the blade rotates, and generate a thrust in water; and the filling material which is molded in the spaced unit to prevent the blade slid into and coupled to the coupling groove of the hub from being damaged ...
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