JP2017501083A5 - - Google Patents

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JP2017501083A5
JP2017501083A5 JP2016543198A JP2016543198A JP2017501083A5 JP 2017501083 A5 JP2017501083 A5 JP 2017501083A5 JP 2016543198 A JP2016543198 A JP 2016543198A JP 2016543198 A JP2016543198 A JP 2016543198A JP 2017501083 A5 JP2017501083 A5 JP 2017501083A5
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Japan
Prior art keywords
propulsion unit
impeller
water
streamlined body
ejected
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Pending
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JP2016543198A
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Japanese (ja)
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JP2017501083A (en
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Priority claimed from PCT/DK2014/050447 external-priority patent/WO2015096841A1/en
Publication of JP2017501083A publication Critical patent/JP2017501083A/en
Publication of JP2017501083A5 publication Critical patent/JP2017501083A5/ja
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Claims (15)

船舶用の推進ユニットであって、
流線形本体を有し、前記流線形本体は、前端部と後端部を有し、使用の際、前記前端部は、上流に向き、前記後端部は、下流に向き、前記前端部は、前記後端部よりも大きく且つ意図した移動方向に対して垂直である横断面を有し、
水用入口開口部が、前記前端部にまたは前記前端部に隣接して設けられ、前記水用入口開口部は、羽根車と連通し、前記羽根車は、意図した移動方向に対して平行な軸線の周りを回転し、１つ又は２つ以上の羽根を有し、
前記水用入口開口部に入る水は、前記羽根車の回転軸線から半径方向に離れる向きに噴出され、噴出された水は、前記１つ又は２つ以上のノズルから、噴出された水を前記流線形本体の外面に沿って差し向けるように押し出される、推進ユニット。 A propulsion unit for a ship,
A streamlined body, the streamlined body has a front end and a rear end; in use, the front end is directed upstream, the rear end is directed downstream, and the front end is Having a cross-section that is larger than the rear end and perpendicular to the intended direction of travel,
A water inlet opening is provided at or adjacent to the front end, the water inlet opening communicates with an impeller, and the impeller is parallel to the intended direction of movement. Rotating around an axis, having one or more vanes,
The water that enters the water inlet opening is ejected in a direction away from the rotation axis of the impeller in a radial direction, and the ejected water is the water ejected from the one or more nozzles. A propulsion unit that is pushed out along the outer surface of the streamlined body. 前記流線形本体は、迎え角ゼロにおける回転体であり、前記羽根車の回転軸線に対して対称である、請求項１に記載の推進ユニット。   The propulsion unit according to claim 1, wherein the streamlined body is a rotating body at an angle of attack of zero, and is symmetric with respect to the rotation axis of the impeller. 長手方向平面における前記流線形本体の全体的な断面は、液滴形状を有し、前記後端部はテーパする、請求項１に記載の推進ユニット。 The overall cross-section of the streamlined body in the longitudinal plane has a drop shape, the rear end portion is tapered, propulsion unit according to claim 1. 前記流線形本体は、前記推進ユニットを船舶に取り付けるための手段を有し、前記手段は、推力を船舶に伝達するのに適する、請求項１に記載の推進ユニット。 The streamlined body has a means for attaching the propulsion unit to the ship, it said means is adapted to transmit a thrust to the ship, propulsion unit according to claim 1. 前記手段は、船舶のプロペラ軸であり、前記推進ユニットは、プロペラの代わりに取り付けられ、前記プロペラ軸は、前記推進ユニットの羽根車を回転させる、請求項４に記載の推進ユニット。   The propulsion unit according to claim 4, wherein the means is a propeller shaft of a ship, and the propulsion unit is mounted instead of a propeller, and the propeller shaft rotates an impeller of the propulsion unit. 前記羽根車の軸を回転させるためのモータ手段が前記流線形本体の内部に設けられる、請求項１に記載の推進ユニット。 The propulsion unit according to claim 1 , wherein motor means for rotating the shaft of the impeller is provided inside the streamlined body. 前記水用入口開口部、前記羽根車、及び前記１つ又は２つ以上のノズルは、前記ノズルから噴出される水が前記流線形本体の外面に沿って差し向けられるように、前記流線形本体の表面に配置される、請求項１に記載の推進ユニット。 The water inlet opening, the impeller, and the one or more nozzles are arranged so that water ejected from the nozzle is directed along an outer surface of the streamlined body. The propulsion unit according to claim 1 , wherein the propulsion unit is disposed on a surface of the propulsion unit. 前記ノズルは、円形状を有し、前記羽根車の周りに且つ前記流線形本体の表面に配置され、セクションに分離される、請求項１に記載の推進ユニット。 The propulsion unit according to claim 1 , wherein the nozzle has a circular shape and is arranged around the impeller and on a surface of the streamlined body and separated into sections. 前記羽根車に配置された羽根は全て、前記羽根車の回転軸線から半径方向距離だけ間隔をあけて、前記羽根車の中央領域を、開放した羽根なし表面として残し、前記羽根なし表面は、前記羽根車の回転軸線に対して実質的に垂直な面を有する、請求項１に記載の推進ユニット。 All blades disposed on the impeller are spaced apart from the impeller rotational axis by a radial distance, leaving the central region of the impeller as an open bladeless surface, the bladeless surface being The propulsion unit according to claim 1 , wherein the propulsion unit has a surface substantially perpendicular to the rotational axis of the impeller. 前記１つ又は２つ以上の羽根は、前記羽根車の実質的に半径方向に配置され、前記羽根を通る半径方向に対して湾曲し、水を前記羽根車から実質的に半径方向に噴出する、請求項１または９に記載の推進ユニット。   The one or more blades are disposed substantially radially of the impeller, are curved relative to the radial direction through the blade, and eject water from the impeller substantially radially. A propulsion unit according to claim 1 or 9. 前記羽根車に配置された羽根は、半径方向に対して向きを変える又は調整することができる、請求項１または１０に記載の推進ユニット。   The propulsion unit according to claim 1 or 10, wherein the vanes arranged in the impeller can be turned or adjusted with respect to a radial direction. 前記ノズルは、複数の壁と蓋の形状を有する整流手段を有し、前記壁と蓋は、水の流れに対して制御され、前記整流手段は、噴出させた水を前記羽根車の回転軸線に対する半径方向に差し向けて、前記流線形本体の表面に沿って差し向ける、請求項１に記載の推進ユニット。   The nozzle includes a rectifying unit having a plurality of walls and a lid shape, and the wall and the lid are controlled with respect to a flow of water, and the rectifying unit is configured to rotate the ejected water along an axis of rotation of the impeller. The propulsion unit of claim 1, wherein the propulsion unit is directed along a surface of the streamlined body with a radial orientation relative to the surface. 前記流線形本体の表面積の少なくとも一部に、複数のディンプル、複数の刻み目、及び／または、複数の出っ張りが設けられる、請求項１に記載の推進ユニット。 The propulsion unit according to claim 1 , wherein a plurality of dimples, a plurality of notches, and / or a plurality of ledges are provided on at least a part of the surface area of the streamlined body. 推進力を提供する方法であって、
船舶用の推進ユニットは、流線形本体を有し、前記流線形本体は、前端部と後端部を有し、使用の際、前記前端部は、上流に向き、前記後端部は、下流に向き、前記前端部は、前記後端部よりも大きく且つ意図した移動方向に対して垂直である横断面を有し、水用入口開口部が、前記前端部にまたは前記前端部に隣接して設けられ、前記水用入口開口部は、羽根車と連通し、前記羽根車は、意図した移動方向に対して平行な軸線の周りを回転し、１つ又は２つ以上の羽根を有し、前記水用入口開口部に入る水は、前記羽根車の回転軸線から半径方向に離れる向きに噴出され、噴出された水は、前記１つ又は２つ以上のノズルから、噴出された水を前記流線形本体の外面に沿って差し向けるように押し出され、
前記推進ユニットを船舶の水面下部分に配置し、
水を前記推進ユニットの水用入口開口部に流入させ、
水が前記羽根車に配置した羽根と接触したときに水を加速させ、
前記羽根車から噴出させた水を、前記ノズルから前記推進ユニットの表面に沿って噴出させ、
前記推進ユニットの前端部で加速された水により、負圧を発生させ、
前記推進ユニットの後部に沿う水により、推力となる推進力を提供する、方法。 A method of providing propulsion,
The marine propulsion unit has a streamlined body, the streamlined body has a front end and a rear end, and in use, the front end is directed upstream and the rear end is downstream The front end has a cross-section that is larger than the rear end and perpendicular to the intended direction of movement, and a water inlet opening is adjacent to or adjacent to the front end. The water inlet opening communicates with an impeller, the impeller rotates about an axis parallel to the intended direction of movement and has one or more blades The water entering the water inlet opening is ejected in a direction away from the rotational axis of the impeller in the radial direction, and the ejected water is ejected from the one or more nozzles. Extruded to be directed along the outer surface of the streamlined body,
Placing the propulsion unit below the surface portion of the ship,
Let water flow into the water inlet opening of the propulsion unit,
Accelerating the water when it comes into contact with the blades arranged on the impeller,
The water ejected from the impeller is ejected from the nozzle along the surface of the propulsion unit,
The water accelerated at the front end of the propulsion unit generates a negative pressure,
Providing a propulsive thrust by water along the rear of the propulsion unit. 推進力を提供する方法であって、
船舶用の推進ユニットは、流線形本体を有し、前記流線形本体は、前端部と後端部を有し、使用の際、前記前端部は、上流に向き、前記後端部は、下流に向き、前記前端部は、前記後端部よりも大きく且つ意図した移動方向に対して垂直である横断面を有し、水用入口開口部が、前記前端部にまたは前記前端部に隣接して設けられ、前記水用入口開口部は、羽根車と連通し、前記羽根車は、意図した移動方向に対して平行な軸線の周りを回転し、１つ又は２つ以上の羽根を有し、前記水用入口開口部に入る水は、前記羽根車の回転軸線から半径方向に離れる向きに噴出され、噴出された水は、前記１つ又は２つ以上のノズルから、噴出された水を前記流線形本体の外面に沿って差し向けるように押し出され、
前記推進ユニットを、ポッドの前端の水面下部分又は水面下空洞に配置し、
船舶の速度、したがって、前記推進ユニットの速度、水面下の前記羽根車及び前記整流ノズルと接触する水の周囲圧力を上昇させ、
局所圧力に関連する相対的な流速に起因する全体推進システムの推力発生部におけるキャビテーションが開始することを遅延させる、方法。 A method of providing propulsion,
The marine propulsion unit has a streamlined body, the streamlined body has a front end and a rear end, and in use, the front end is directed upstream and the rear end is downstream The front end has a cross section that is larger than the rear end and perpendicular to the intended direction of movement, and a water inlet opening is adjacent to or adjacent to the front end. The water inlet opening communicates with an impeller, the impeller rotates about an axis parallel to the intended direction of movement and has one or more blades The water entering the water inlet opening is ejected in a direction away from the rotational axis of the impeller in the radial direction, and the ejected water is ejected from the one or more nozzles. Extruded to be directed along the outer surface of the streamlined body,
Said propulsion unit, located below the water surface portion or underwater cavities of the front end of the pod,
Increase the speed of the ship, and therefore the speed of the propulsion unit, the ambient pressure of the water in contact with the impeller and the rectifying nozzle below the surface of the water,
A method of delaying the onset of cavitation in the thrust generation section of the overall propulsion system due to relative flow rates associated with local pressure.
JP2016543198A 2013-12-23 2014-12-23 Ship propulsion unit Pending JP2017501083A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DKPA201370817 2013-12-23
DKPA201370817 2013-12-23
PCT/DK2014/050447 WO2015096841A1 (en) 2013-12-23 2014-12-23 Marine propulsion unit

Publications (2)

Publication Number Publication Date
JP2017501083A JP2017501083A (en) 2017-01-12
JP2017501083A5 true JP2017501083A5 (en) 2018-02-08

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JP2016543198A Pending JP2017501083A (en) 2013-12-23 2014-12-23 Ship propulsion unit

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US (1) US20160325811A1 (en)
EP (1) EP3086999A1 (en)
JP (1) JP2017501083A (en)
KR (1) KR20160102044A (en)
CN (1) CN105873818A (en)
WO (1) WO2015096841A1 (en)

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CN107972837A (en) * 2017-12-12 2018-05-01 裴睿涛 Combined type pump-jet propulsor
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CN114435573B (en) * 2022-02-17 2023-05-26 交通运输部天津水运工程科学研究所 Marine turbine propeller

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