JP2006516511A - Ship steering and propulsion structure - Google Patents

Ship steering and propulsion structure Download PDF

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JP2006516511A
JP2006516511A JP2006502055A JP2006502055A JP2006516511A JP 2006516511 A JP2006516511 A JP 2006516511A JP 2006502055 A JP2006502055 A JP 2006502055A JP 2006502055 A JP2006502055 A JP 2006502055A JP 2006516511 A JP2006516511 A JP 2006516511A
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ship
hull
propulsion
steering
rudder propeller
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レヴァンダー、カイ
サルメラ、オリー
アンダーソン、ジャンヌ
シルヴィエ、ヤリ
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エーケル フィンヤルドス オサケ ユキチュア
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/04—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with single hull
    • B63B1/06—Shape of fore part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H2005/005—Front propulsors, i.e. propellers, paddle wheels, or the like substantially arranged ahead of the vessels' midship section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
    • B63H2005/1254—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Wind Motors (AREA)

Abstract

本発明は、一部が船の後部に、一部が船の前部船体に配置された、いくつかの推進装置を備える、渡洋交通に適した大型船における操舵及び推進構造に関する。船の前部船体は、実質上船の操舵及び制御を実施し、船を少なくとも実質上全ての速度範囲で推し進める推進力の実質的な部分を生成するように配置され、さらに少なくとも船の基準線から著しくは延びないように配置された１つ又は複数の操舵可能な舵プロペラ装置を備えている。The present invention relates to a steering and propulsion structure in a large ship suitable for travel to the sea, comprising several propulsion devices, partly located at the rear of the ship and partly at the front hull of the ship. The front hull of the ship is arranged to generate a substantial portion of the propulsive force that performs substantially the steering and control of the ship and propels the ship at least in substantially all speed ranges, and at least the ship's baseline. One or more steerable rudder propeller devices arranged so as not to extend significantly from.

Description

本発明は、請求項１の序文による、一部が船の後部船体に、一部が船の前部船体に配置された、いくつかの推進装置を備える、渡洋交通に適した大型船における操舵及び推進構造に関する。   The present invention relates to steering in a large ship suitable for transboundary traffic, comprising several propulsion devices, partly arranged in the rear hull of the ship and partly in the front hull of the ship according to the preamble of claim 1 And the propulsion structure.

従来技術からは、機械的な力伝達手段又はその中に配置された電気モータのいずれかで駆動される操縦可能な舵プロペラ装置が周知である。装置は、プロペラ装置がその垂直軸の周りを旋回することを可能にし、したがってプロペラの推進力を所望の方向に向けることができる。さらに、プロペラの回転速度及び方向を調整することができ、及び／又はプロペラの羽の角度を変更することができる。   From the prior art, steerable rudder propeller devices are known which are driven either by mechanical force transmission means or by an electric motor arranged therein. The device allows the propeller device to pivot about its vertical axis, thus directing the propeller propulsion in the desired direction. Furthermore, the rotational speed and direction of the propeller can be adjusted and / or the angle of the propeller wings can be changed.

舵プロペラ装置は、例えば二方向に移動するフェリーで、前部船体に配置されてきた。これらの船では、前部船体と船体後部は、殆ど同一である。この種の船体構成はその他のタイプの船には適切ではない。さらに、舵プロペラ装置は、その後部が上陸可能なように好都合に設計されている様々な種類の上陸用舟艇で利用されてきた。この場合、目的が船を浜に向けて操舵する時、舵プロペラが保護されるように、少なくともある部分が船の底部より深く延びている舵プロペラは格納式にされている。   The rudder propeller device is, for example, a ferry that moves in two directions and has been arranged in the front hull. In these ships, the front hull and the rear hull are almost identical. This type of hull configuration is not suitable for other types of ships. In addition, rudder propeller devices have been used in various types of landing craft that are conveniently designed so that the rear can land. In this case, the rudder propeller, whose part extends deeper than the bottom of the ship, is retractable so that the rudder propeller is protected when the objective steers the ship toward the beach.

何世紀もの間、渡洋交通に適した大型船の船体が開発されてきたが、その船体は一般的に船首が楔のように狭いこと、水面下にある船体の最も広い部分が船体中央にあること、並びにプロペラが伝統的に船舶の後部に配置されていることを特徴としている。大型船とは、ここでは特に大型巡航船のようなタイプの船、ただし例えば砕氷船その他をも含む約１００メートル又はそれ以上の長さの船を意味する。このような船舶を操船して入港させるには、船舶の前部船体で相当な推進効率を必要とする。船首を操るために現在使用されている装置は、推進力を生成するが、横方向にのみであり船舶が動いていない場合或いは低速で動いている場合にだけ使用することができる。しかし、船舶の前部の底部に設けられた特定の凹部に舵プロペラ又は同様のものを配置するある特別な装置が周知である。これらの解決策は、港内操船については確かに船舶の操縦性を改善するが、実際には、高速前進航行時の操舵に対しては適用できない。   For centuries, large hulls suitable for travel to the sea have been developed, but the hull generally has a narrow bow like a wedge and the widest part of the hull below the surface is in the middle of the hull. As well as the propeller is traditionally located at the rear of the ship. By large ship is meant here a ship of a type such as a large cruise ship in particular, but of a length of about 100 meters or more, including for example icebreakers and the like. Maneuvering such a ship to enter the port requires considerable propulsion efficiency in the front hull of the ship. The devices currently used for maneuvering the bow generate propulsive force but can only be used in the lateral direction and only when the ship is not moving or is moving at low speed. However, certain special devices are known that place a rudder propeller or the like in a particular recess in the bottom of the front of the ship. These solutions certainly improve the maneuverability of the ship for harbor maneuvering, but in practice are not applicable to steering during high speed forward navigation.

舵プロペラ装置は、大型船の後部に配置され、部分的に或いは完全に舵の代わりをしてきた。このような舵プロペラを備える大型船が、例えばかなり狭い水路を進行するとき、その横方向にかなりの面積があるために横偏流が問題になり、船の操縦性を損なう傾向にある。   Rudder propeller devices are located at the rear of large ships and have partially or completely replaced the rudder. When a large ship equipped with such a rudder propeller travels through a fairly narrow water channel, for example, there is a considerable area in the lateral direction, so that lateral drift becomes a problem, and the maneuverability of the ship tends to be impaired.

本発明の目的は、通常は一方向に移動し、渡洋交通に適した大型船のための、前述の問題を可能な限り排除した新奇な操舵及び推進構造を提供することである。その解決策が、船の様々な運転モード及び操舵に有利に使用できることが目的である。   It is an object of the present invention to provide a novel steering and propulsion structure that eliminates the aforementioned problems as much as possible for a large ship that normally moves in one direction and is suitable for travel on the sea. The aim is that the solution can be used advantageously in various operating modes and steering of the ship.

本発明の目的は、請求項１及びその他の請求項に記載の態様をもって達成することができる。本発明によれば、船の前部船体は、実質上船の操舵及び制御を実施し、船を少なくとも実質上全ての速度範囲で推し進める推進力の一部分を生成するように配置され、さらに船の基準線の下側に少なくとも著しくは延びないように配置されている１つ又は複数の操舵可能な舵プロペラ装置を備えている。船の基準線とは、ここでは船の喫水を決定する船体の最も低い部分を意味する。   The object of the present invention can be achieved by the aspects described in claim 1 and other claims. In accordance with the present invention, the ship's front hull is arranged to produce a portion of the propulsion that performs substantially the steering and control of the ship and propels the ship at least in substantially all speed ranges, and further One or more steerable rudder propeller devices are arranged that do not extend at least significantly below the reference line. The ship's reference line here means the lowest part of the hull that determines the draft of the ship.

本発明による解決策は、船の船首に操舵可能な推進力を与える。船が港内で停止しているとき、船首を操ることができる。前進航行しているときには前部のプロペラ装置は、前に向けられており、したがってかなりの前進方向補助動力が与えられる。船の後部プロペラ装置が故障した場合でも、前部の舵プロペラ装置が船舶を安全に前進航行させる。   The solution according to the invention provides a steerable propulsion at the bow of the ship. When the ship is stopped in the harbor, the bow can be manipulated. When traveling forward, the front propeller device is pointed forward and therefore provides significant forward direction assist power. Even if the rear propeller device of the ship fails, the front rudder propeller device allows the ship to travel safely forward.

さらに、前部の舵プロペラ装置が、従来のバウ・スラスタに置き換わり、かつ後部のプロペラ装置への動力需要を減少させるので、本発明により建設コストを節約することができる。   In addition, construction costs can be saved by the present invention because the front rudder propeller device replaces the conventional bow thruster and reduces the demand for power to the rear propeller device.

本発明は、船が動いていないとき又は直進しているときに船首操作を容易にする。舵プロペラ装置が生成する推進力は完全に方向付けされうるが、固定バウ・スラスタは横断方向の力のみを生成する。   The present invention facilitates bow operation when the ship is not moving or traveling straight. The propulsive force generated by the rudder propeller device can be fully directed, while the fixed bow thruster only generates a transverse force.

大型船舶では、船首の操作は動力需要を、４から６個もの現行機種のバウ・スラスタが必要になるほど高くする。これらの装置は、港内操船のためにのみ使用される。前部船体に配置される舵プロペラ装置は、より大きな出力を有することができ、２から３の装置で６つのバウ・スラスタにさえ匹敵する。   In large vessels, maneuvering increases the power demand so that as many as four to six current bow bow thrusters are required. These devices are only used for harbor maneuvering. The rudder propeller device located in the front hull can have a higher output and is comparable to even six bow thrusters with two to three devices.

さらに、船舶を前方に推し進める推進力の一部が前部で生成されれば、これは大型船舶にとって利点である。大型船の喫水を増加させたくない場合には、プロペラの直径が制限される。その結果、船にいくつかのプロペラを備える必要がある状況になる。いくつかのプロペラを後部に配置するのは複雑になるが、舵プロペラ装置を前部に配置すれば、それらが推進力の一部を生成するので、この状況を容易にする。   Furthermore, if a portion of the propulsive force that pushes the ship forward is generated at the front, this is an advantage for large ships. If you do not want to increase the draft of a large ship, the propeller diameter is limited. The result is a situation where the ship needs to be equipped with several propellers. Placing several propellers at the rear is complicated, but placing the rudder propeller device at the front facilitates this situation because they generate some of the propulsion.

本発明により、推進装置又は動力室の破損から生き残る船舶の能力が改善された。今では、船を前進させ、かつ問題のある状況下で操作するための、前部でも利用可能な推進装置が後部の推進装置に加えて存在する。さらに、船の後部にのみ配置された舵プロペラに対比して前部に配置された舵プロペラによる船の操舵は動的にすることができ、したがって船が水路を進行中の横偏流は発生しない。   The present invention has improved the vessel's ability to survive the failure of the propulsion device or power room. Now, in addition to the rear propulsion device, there is also a propulsion device available at the front for advancing the ship and operating in problematic situations. In addition, the steering of the ship by the rudder propeller located at the front can be made dynamic as compared to the rudder propeller located only at the rear of the ship, so there is no side drift while the ship is traveling in the waterway .

一実用的な実施例では船の前部船体、つまり船の基準線からある距離にある、船体の水面下の部分に、十分に平坦に設計され、それによって前記１つ又は複数の舵プロペラ装置の装着及び自由旋回が可能になる領域が存在する。さらに、船体は、前記領域から船尾に向かって滑らかな形状にされ、したがって舵プロペラ装置が、船が前進している間、船体の形状にそって方向付けられ、それによって舵プロペラ装置背後の船体表面に向かう流れが最小化されている。船が球状部分を備えている場合には、前記領域は球状部分の背後に配置される。   In one practical embodiment, the one or more rudder propeller devices are designed to be sufficiently flat in the front hull of the ship, i.e. at a certain distance from the ship's reference line, below the surface of the hull. There is a region where mounting and free swiveling are possible. Furthermore, the hull is shaped smoothly from the said area towards the stern, so that the rudder propeller device is directed along the shape of the hull while the vessel is moving forward, thereby hulling behind the rudder propeller device. The flow towards the surface is minimized. If the ship has a spherical part, the region is located behind the spherical part.

船の前部船体にある舵プロペラ装置は、いわゆる港内操船時に必要に応じて船の全推進出力の少なくとも約２０％をカバーするように寸法が決められ配置されている。さらに、航海時の前進航行中には前部船体にある舵プロペラ装置が、最大で、船の全推進力の約１０％をカバーすることが好ましい。したがって港内操船時には、前部プロペラによる進行時にもたらされる操船操作と同じ出力が確実に利用可能になる。一方、通常の前進航行時に流れが船体に当たらなくするにはもっと少ない出力レベルで十分であり、これは流体力学的な見方から有利である。その他の動力源の一部が何らかの理由で使用されていない、いわゆる「持ち帰り」状況では、より高い出力レベルが必要とされる可能性がある。   The rudder propeller device in the front hull of the ship is dimensioned and arranged to cover at least about 20% of the total propulsion output of the ship as required during so-called harbor navigation. Further, during forward navigation during voyage, it is preferred that the rudder propeller device in the front hull covers a maximum of about 10% of the total propulsion power of the ship. Therefore, when maneuvering in the port, the same output as that of the maneuvering operation provided when traveling by the front propeller is reliably used. On the other hand, a lower power level is sufficient to prevent the flow from hitting the hull during normal forward navigation, which is advantageous from a hydrodynamic point of view. In so-called “takeaway” situations where some other power source is not used for any reason, higher power levels may be required.

十分な前部プロペラ出力を確保するために、船の前部船体に少なくとも２つの舵プロペラ装置があることが好ましい。舵プロペラ装置は、それ自体前部船体に平行して、前後して、或いは互いに重ねて装着されてもよい。   In order to ensure sufficient front propeller output, it is preferred that there are at least two rudder propeller devices in the front hull of the ship. The rudder propeller device may itself be mounted parallel to the front hull, back and forth, or stacked on top of each other.

実際には、船の推進装置は、すべて船体外部に恒久的に配置されている。このような配置により、船の推進装置が船の排水量を大きく損なうことが無いことが保証される。   Actually, all the propulsion devices of the ship are permanently arranged outside the hull. Such an arrangement ensures that the ship propulsion device does not significantly impair the ship's drainage.

下記に、添付図面を参照しながら例証として本発明を説明する。   The present invention will now be described by way of example with reference to the accompanying drawings.

図１に示す場合による従来の解決策では３つのプロペラ装置が、船の前部の両側に配置されており、それらの装置は、船の横方向でのみ作用し、それぞれ埠頭への接岸及び埠頭からの離岸をするための操船と、多分港内での操船動作に貢献する。大型船に関しては、通常の前進航行には用をなさない、バウ・スラスタが大きな出力を必要とする。   In the conventional solution according to the case shown in FIG. 1, three propeller devices are arranged on both sides of the front part of the ship, which work only in the lateral direction of the ship, respectively, berthing to the wharf and wharf respectively. This will contribute to the maneuvering to take off from the shore and possibly to maneuvering within the port. For large ships, the bow thruster, which is not useful for normal forward navigation, requires a large output.

図２〜図４に、舵プロペラ装置が船舶の前部船体で如何に配置が示されているか示されている。舵プロペラ装置を自由に旋回させるには余裕空間が必要になり、したがって従来式の解決策に比較して船体水面下を修正する必要がある。図２は、球状部分をもたない船における舵プロペラの使用を示している。図３では小さな低い球状部分が、図４では大きな深い球状部分が示されている。   2 to 4 show how the rudder propeller device is shown in the front hull of the ship. In order to freely turn the rudder propeller device, a marginal space is required, and therefore, it is necessary to correct the underwater surface of the hull as compared with the conventional solution. FIG. 2 shows the use of a rudder propeller in a ship without a spherical part. FIG. 3 shows a small low spherical portion and FIG. 4 shows a large deep spherical portion.

図５〜図８は、前部船体に１つ又はいくつかの舵プロペラ装置をどのように前後して、平行して又は互いに重ねるかのいずれかで配置することができるのかを示している。装置の旋回角を調整してプロペラの推進力の方向を状況によって決める。したがって、船は前進航行又は後退し、接岸することができるし、或いは横風又は曲がりでの船首の漂流を修正することができる。   FIGS. 5 to 8 show how one or several rudder propeller devices can be arranged on the front hull either back and forth, in parallel or on top of each other. The direction of propeller propulsive force is determined according to the situation by adjusting the turning angle of the device. Thus, the ship can sail forward or retreat and berth or can correct bow drift due to crosswinds or turns.

したがって本発明は、既に一般的に使用されている周知の舵プロペラ装置を利用するが、プロペラ装置はその装置の垂直軸の周囲方向でプロペラの推進力の方向づけを可能にする。プロペラは、機械的な動力伝達手段又は装置内部に配置された電気モータにより回転させられるが、それらはそれ自体周知であるので詳細には示さない。   Thus, the present invention utilizes a well-known rudder propeller device that is already in common use, which allows the propeller propulsion to be directed in the direction around the vertical axis of the device. The propellers are rotated by mechanical power transmission means or by an electric motor located inside the device, which are not shown in detail because they are well known per se.

船の前部船体に配置された本発明による１つ又はいくつかの舵プロペラ装置により、そのプロペラ装置を回転させて船首を操作することができる。船首は、船が全く動いていないとき又は前進しているときに操作することができる。前進航行しているときには、前進方向で相当の推進効率が得られるように舵プロペラ装置の推進力を方向づける。前進航行しているときには、舵プロペラ装置の流れは船体表面と整合しており、それによって流れが直接船体表面に突き当たらない。   One or several rudder propeller devices according to the invention located in the front hull of the ship can be operated by rotating the propeller device. The bow can be operated when the ship is not moving at all or is moving forward. When traveling forward, the propulsive force of the rudder propeller device is directed so that considerable propulsion efficiency can be obtained in the forward direction. When traveling forward, the flow of the rudder propeller device is aligned with the hull surface, so that the flow does not impinge directly on the hull surface.

舵プロペラ装置が、本発明により大型外洋航行船舶の前部船体に配置されると、従来型バウ・スラスタは、全く必要でなくなる。前部に配置された舵プロペラ装置に関連する動力が、後部での推進効率の必要性を少なくしている。   When the rudder propeller device is arranged in the front hull of a large ocean-going vessel according to the present invention, no conventional bow thruster is required at all. The power associated with the rudder propeller device located at the front reduces the need for propulsion efficiency at the rear.

本発明により、推進装置又は動力室の破損から生き残る船の能力が改善された。船を前進させ、かつ問題のある状況下で操作するための、前部でも利用可能な推進装置が後部の推進装置に加えて存在する。   The present invention has improved the vessel's ability to survive damage to the propulsion device or power room. In addition to the rear propulsion devices, there are also propulsion devices available at the front for advancing the ship and operating under problematic conditions.

本発明は、船が動いていないとき及び前進しているときに船首の操作を容易にする。舵プロペラ装置が提供する推進力は自由に方向づけられるが、従来型のバウ・スラスタは横断方向の力を提供するだけである。   The present invention facilitates maneuvering of the bow when the ship is not moving and moving forward. While the propulsion provided by the rudder propeller device can be freely directed, conventional bow thrusters only provide a transverse force.

本発明は、前記の実施例に限定されるものではなく、添付の特許請求の範囲の範囲内で複数の修正が考えられる。   The invention is not limited to the embodiments described above, but a number of modifications are conceivable within the scope of the appended claims.

従来型のプロペラ装置が前部に配置された船を側面から見た図である。It is the figure which looked at the ship by which the conventional propeller apparatus was arrange | positioned in the front part from the side. 側面から見て本発明による舵プロペラ装置が、船の前部にどのように配置され、それによって船首が異なる様態で形成されるのかを示す図である。FIG. 4 shows how the rudder propeller device according to the invention is arranged in the front part of the ship as viewed from the side, whereby the bow is formed in different ways. 側面から見て本発明による舵プロペラ装置が、船の前部にどのように配置され、それによって船首が異なる様態で形成されるのかを示す図である。FIG. 4 shows how the rudder propeller device according to the invention is arranged in the front part of the ship as viewed from the side, whereby the bow is formed in different ways. 側面から見て本発明による舵プロペラ装置が、船の前部にどのように配置され、それによって船首が異なる様態で形成されるのかを示す図である。FIG. 4 shows how the rudder propeller device according to the invention is arranged in the front part of the ship as viewed from the side, whereby the bow is formed in different ways. 下から見て１つの舵プロペラが、船の前部にどのように配置されているのかを示す図である。It is a figure which shows how one rudder propeller is arrange | positioned at the front part of a ship seeing from the bottom. 下から見て２つの舵プロペラが、船の前部にどのように配置されているのかを示す図である。It is a figure which shows how two rudder propellers are arrange | positioned at the front part of a ship seeing from the bottom. 下から見て２つの舵プロペラが、船の前部にどのように配置されているのかを示す図である。It is a figure which shows how two rudder propellers are arrange | positioned at the front part of a ship seeing from the bottom. 下から見て３つの舵プロペラが、船の前部にどのように配置されているのかを示す図である。It is a figure which shows how three rudder propellers are arrange | positioned at the front part of a ship seeing from the bottom.

Claims (7)

一部が船の後部に、一部が前記船の前部船体に配置された、いくつかの推進装置を備える、渡洋交通に適した大型船における操舵及び推進構造であって、前記船の前部船体が実質上前記船の操舵及び制御を実施し、前記船を少なくとも実質上全ての速度範囲で推し進める推進力の実質的な部分を生成するように配置され、さらに少なくとも前記船の基準線から著しくは延びないように配置された１つ又は複数の操舵可能な舵プロペラ装置を備えていることを特徴とする、操舵及び推進構造。   A steering and propulsion structure for a large vessel suitable for transit traffic, comprising several propulsion devices, partly located at the rear of the ship and partly at the front hull of the ship, A sub-hull is arranged to perform substantially the steering and control of the ship and to generate a substantial portion of the propulsive force that pushes the ship in at least substantially all speed ranges, and at least from the ship's baseline A steering and propulsion structure comprising one or more steerable rudder propeller devices arranged so as not to extend significantly. 船の基準線からある距離にある、前記前部船体の水面下の部分に、十分に平坦に設計され、それによって前記１つ又は複数の舵プロペラ装置の装着及び自由旋回が可能になる領域が存在し、前記領域から船尾に向かう前記船体の底部が滑らかな形状になされ、それによって、船の前進中は前記舵プロペラ装置を前記船体の形状にしたがって方向づけることができ、したがって前記舵プロペラ装置背後の船体表面に向かう水流をそれに応じて最小にすることができることを特徴とする、請求項１に記載の操舵及び推進構造。   In the area below the surface of the front hull at a distance from the ship's reference line, there is an area designed to be sufficiently flat so that the one or more rudder propeller devices can be mounted and freely swiveled. Present, and the bottom of the hull from the region toward the stern is made into a smooth shape, whereby the rudder propeller device can be oriented according to the shape of the hull during advancing of the ship, and therefore behind the rudder propeller device 2. Steering and propulsion structure according to claim 1, characterized in that the water flow towards the hull surface can be minimized accordingly. 前記船が球状部分を備えている場合には、前記領域が前記球状部分の背後に配置されることを特徴とする、請求項２に記載の操縦及び推進構造。   3. The maneuvering and propulsion structure according to claim 2, wherein, when the ship has a spherical part, the region is arranged behind the spherical part. 前記船の前記前部船体にある前記舵プロペラ装置が、いわゆる港内操船時に必要に応じて前記船の全推進出力の少なくとも約２０％をカバーするように寸法が決められ配置されていることを特徴とする、請求項１から３のいずれか１項に記載の操舵及び推進構造。   The rudder propeller device in the front hull of the ship is dimensioned and arranged to cover at least about 20% of the total propulsion output of the ship as required during so-called harbor navigation. The steering and propulsion structure according to any one of claims 1 to 3. 航海時の前進航行中に前記前部船体にある前記舵プロペラ装置が好ましくは最大で前記船の全推進力の約１０％をカバーすることを特徴とする、請求項１から４のいずれか１項に記載の操舵及び推進構造。   Any one of claims 1 to 4, characterized in that the rudder propeller device in the front hull preferably covers at most about 10% of the total propulsion power of the ship during forward navigation during voyage. The steering and propulsion structure described in the paragraph. 前記船の前記前部船体に少なくとも２つの舵プロペラ装置があることを特徴とする、請求項１から５のいずれか１項に記載の操舵及び推進構造。   The steering and propulsion structure according to any one of claims 1 to 5, wherein there are at least two rudder propeller devices in the front hull of the ship. 前記船の前記推進装置がすべて前記船体外部に恒久的に配置されていることを特徴とする、請求項１から６のいずれか１項に記載の操舵及び推進構造。   The steering and propulsion structure according to any one of claims 1 to 6, wherein all the propulsion devices of the ship are permanently arranged outside the hull.
JP2006502055A 2003-01-30 2004-01-19 Ship steering and propulsion structure Ceased JP2006516511A (en)

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