VESSEL

• Main Authors: KAWABUCHI MAKOTO, YAMADA TOMOYUKI
• Format: Patent
• Language: English; Japanese
• Published: 22.08.2019
• Subjects: EQUIPMENT FOR SHIPPING; MARINE PROPULSION OR STEERING; PERFORMING OPERATIONS; RELATED EQUIPMENT; SHIPS OR OTHER WATERBORNE VESSELS; TRANSPORTING

To improve propulsion performance by reducing wave resistance in an attachment unit of a rudder in a vessel.SOLUTION: A vessel includes a hull 10, a pair of right and left propellers 19A, 19B arranged in a stern 12 of the hull 10, and a pair of right and left rudders 20A, 20B arranged behind the pair of right and left propellers 19A, 19B in the stern 12 of the hull 10, and a pair of right and left projection units 31A, 31B projecting below are provided on a bottom 13 to which the pair of right and left rudders 20A, 20B are attached in a vessel width direction Y of the vessel 10 in positions of rotational center lines RCL1, RCL2 of the pair of right and left rudders 20A, 20B in a vessel length direction X of the vessel 10.SELECTED DRAWING: Figure 7 【課題】船舶において、舵の取付部における造波抵抗を低減することで推進性能の向上を図る。【解決手段】船体１０と、船体１０の船尾１２に配置される左右一対のプロペラ１９Ａ，１９Ｂと、船体１０の船尾１２で左右一対のプロペラ１９Ａ，１９Ｂの後方に配置される左右一対の舵２０Ａ，２０Ｂとを備え、船体１０の船長方向Ｘにおける左右一対の舵２０Ａ，２０Ｂの回転中心線ＲＣＬ１，ＲＣＬ２の位置で、船体１０の船幅方向Ｙにおける左右一対の舵２０Ａ，２０Ｂが装着される船底１３に、下方に突出する左右一対の凸部３１Ａ，３１Ｂを設ける。【選択図】図７