EP1870330B1 - Elektrisches Propulsionssystem eines Schiffes und damit ausgerüstetes Schiff - Google Patents

Elektrisches Propulsionssystem eines Schiffes und damit ausgerüstetes Schiff Download PDF

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Publication number
EP1870330B1
EP1870330B1 EP07110539A EP07110539A EP1870330B1 EP 1870330 B1 EP1870330 B1 EP 1870330B1 EP 07110539 A EP07110539 A EP 07110539A EP 07110539 A EP07110539 A EP 07110539A EP 1870330 B1 EP1870330 B1 EP 1870330B1
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EP
European Patent Office
Prior art keywords
ship
propeller
pods
propulsion
propulsion system
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EP07110539A
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English (en)
French (fr)
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EP1870330A1 (de
Inventor
Christian Gaudin
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STX France SA
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STX France SA
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    • 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
    • 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
    • B63H2005/1258—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis with electric power transmission to propellers, i.e. with integrated electric propeller motors

Definitions

  • the present invention relates to an electric ship propulsion system and, more particularly, to a large ship propulsion system. It also relates to a ship so equipped.
  • Shipowners' request in terms of passenger ships, for a cruise ship function, for example, is to obtain larger and larger ships, in order to increase the number of passengers per cruise and, at the same time, time, offer them a maximum of cabins that have a sea view.
  • Propulsion propeller and hull girth problems are also encountered for vibration control, preventing good propulsive performance and low pulsation.
  • a propulsion ensured by a combination of several azimuth thrusters, also called “pods”, as opposed to propulsions by line of tree.
  • pod we mean a set of submerged propulsion, outside the hull of the ship and containing the engine propulsion.
  • Pods are complex products but developed enough to provide power up to 30 Mwatts. This solution has the advantage of fulfilling the steering function and the propulsion function by the use of steerable pods. In addition, the greater number of thrusters improves the redundancy of the system, in case of degraded operation by the loss of one of the propulsion elements.
  • the present invention relates to a ship propulsion system overcoming the drawbacks of the prior solutions, that is to say having a redundancy to ensure a minimum cruising speed and to obtain a power of propulsion with propellants standardized to a minimum and compact, at least in critical areas.
  • the combination power / diesel does not optimize redundancy of the system compared to a fully electric system.
  • the failure of a generator set forming part of a set of several generating sets constituting the ship's power supply network is not penalizing to continue to obtain the general operating power of the ship, because of Other generators in the network can provide the relay.
  • a failure of the diesel supply causes at least a temporary stopping of the thruster in relation to this power supply.
  • a fully electric power supply has the advantage of offering greater flexibility in the configuration of the ship, due to the possibility of placing the electric motors at a greater distance and at different levels. This is not the case for diesel engines, which are much more cumbersome.
  • the propulsion system of the central shaft line is, as shown in Figures 1A to 2B, consisting of a conventional propeller.
  • water-jet device that is to say a device installed inside the hull, consisting mainly of a duct water suction, a shaft-driven pump, a downstream rectifier, an accelerator nozzle and jet orientation and reversing devices.
  • the present invention therefore aims at an electric ship propulsion system, particularly large, comprising at least two side pods and a central shaft line.
  • the first great advantage of this configuration is the use of standard thrusters for pods and a shaft line, which is easily adapted to obtain the total power required.
  • the two lateral pods are found in conventional arrangements known and already applied.
  • the central shaft line poses potential problems with regard to the dimensions and the performances to be achieved.
  • a first level of generated problems is of vibratory type, which means that important vibrations are formed because of the disturbance of the wake by the skeg, ie by the extension of the keel of the ship at the level of the hull of the transom of the ship.
  • This problem is conventionally treated by wake regulating bulbs, as is practiced on ships with a line of trees such as, for example, on liquefied gas transport vessels. In this case, it is necessary to provide a complex boiler room, expensive and bulky.
  • a second type of generated problems concerns the power of propulsion to be achieved, in a compact volume to facilitate the integration of the latter in the central wake of the ship, and with a solution that can be standardized to the maximum so as not to unreasonably increase costs.
  • the present invention thus relates to an electric ship propulsion system comprising at least two rear side pods and comprising a shaft line provided centrally along the axis of the ship.
  • the propulsion of said shaft line is provided by a propeller pump consisting of a helix and a ring of flow orienting fins placed upstream of the propeller, a nozzle surrounding the helix assembly / crowns of fins.
  • a pump-propeller-type propulsion makes it possible to overcome the problems of propeller dimensions by keeping at least a power equivalent to a conventional propeller and to avoid acoustic and vibratory disturbances by an orientation of the propeller. flow output of the pump-propeller, which avoids cavitation problems.
  • the presence of the flow orientator fins makes it possible to avoid the need to set up a regulating bulb for the orientation of the wake at the entry of the thruster. In place, one can make a room simple and inexpensive such as a simple stern tube around the axis of the shaft for propulsion with central shaft line.
  • the two side pods are two pods of the propeller pump type such as that described in the patent application. WO 2005/110840 .
  • this thruster ie the compactness, the high power and the suppression of cavitation phenomena, offer a very suitable solution for large vessels. They allow to have more freedom on the shape of the hull and to avoid any phenomenon of "slamming" (in French “tossage”), thanks to the immersion of the transom of the ship.
  • the two rear lateral pods are two pods that can be rotated 360 °.
  • the invention also relates to a ship equipped with an electric propulsion system as described above.
  • the play at the hull of the helix of the pump-propeller is of the order of 500 mm.
  • the nozzle of the central pump-propeller is connected to the hull of the ship, in particular with the aid of an arm, in order to ensure a recovery of effort or an additional maintenance of this propeller, if this one is away from the plane of the ship.
  • a propulsion system 1 is seen from below at the rear part of the ship.
  • This system 1 is installed beneath the hull of the transom 2, at the rear of the ship, and consists of two side thrusters 3 consisting of pod s pump-propeller type, and a central propulsion shaft line 4, arranged according to the central axis 5, longitudinal, of the ship.
  • the central shaft line 4 consists of a pump-propeller 6 consisting of a nozzle 7 surrounding a propeller 8, flow-orientating fins 9 and a stern tube 10.
  • the central shaft line 4 is located behind the thin plane 11 of the ship, thin plane important because of the size of the ship and necessary for the landing of the ship.
  • the figures 1 , 2 and 3 highlight the function of the tube 10 relative to the junction with the thin plane 11. Thus, the flow at the outlet of the thin plane 11 is reoriented along the stern tube 10 to enter the pump-propeller 6, without disturbance wake.
  • FIG. 1 are represented the two lateral thrusters 3 disposed on either side of the central axis 5 of the ship, equidistant from the latter. They are located towards the rear of the ship. As stated above, they consist of pump-propeller-type pod thrusters, that is to say with a nozzle 12 surrounding a propeller 13 and flux orienting fins 14 (see FIG. figure 3 ). These two lateral thrusters 3 work in water flow.
  • the figure 3 is a three-dimensional view of the rear part of a ship with a propulsion system according to the invention. This figure highlights the compactness of the system according to the invention, with respect to the rear dimensions of the ship, as well as the possibility of obtaining a relatively weak game with the hull with thrusters providing the necessary power to the ship and not creating acoustic disturbances.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)

Claims (6)

  1. Elektrisches Schiffsantriebssystem, umfassend wenigstens zwei seitliche, hintere Antriebsgondeln (3) und einen Antriebsstrang (4), der zentral entlang der Achse (5) des Schiffs vorgesehen ist, dadurch gekennzeichnet, dass der Antrieb des zentralen Antriebsstrangs (4) durch eine Propellerpumpe (6), die durch einen Propeller (8) und einen Ruderkranz zur Flusssteuerung (9) gebildet ist, der dem Propeller (8) vorgelagert ist, eine Düse (7), die die Schrauben (8)/ Ruderkranz (9)-Anordnung umgibt, sichergestellt ist.
  2. Elektrisches Schiffsantriebssystem nach Anspruch 1, dadurch gekennzeichnet, dass die zwei seitlichen, hinteren Antriebsgondeln (3) zwei Antriebsgondeln vom Propellerpumpentyp sind.
  3. Elektrisches Schiffsantriebssystem nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die zwei seitlichen, hinteren Antriebsgondeln (3) zwei Antriebsgondeln sind, die um 360° orientierbar sind.
  4. Schiff, das mit einem elektrischen Antriebssystem nach einem der Ansprüche 1 bis 3 ausgestattet ist.
  5. Schiff nach Anspruch 4, dadurch gekennzeichnet, dass das Spiel zwischen dem Rumpf und dem Propeller (8) der Propellerpumpe (6) in der Größenordnung von 500 mm ist.
  6. Schiff nach einem der Ansprüche 4 oder 5, dadurch gekennzeichnet, dass die Düse (7) der zentralen Propellerpumpe (6) mit dem Rumpf durch einen Belastungsaufnahmearm (15) verbunden ist.
EP07110539A 2006-06-20 2007-06-19 Elektrisches Propulsionssystem eines Schiffes und damit ausgerüstetes Schiff Active EP1870330B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0605459A FR2902403B1 (fr) 2006-06-20 2006-06-20 Systeme de propulsion electrique de navire et navire ainsi equipe

Publications (2)

Publication Number Publication Date
EP1870330A1 EP1870330A1 (de) 2007-12-26
EP1870330B1 true EP1870330B1 (de) 2011-10-19

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EP07110539A Active EP1870330B1 (de) 2006-06-20 2007-06-19 Elektrisches Propulsionssystem eines Schiffes und damit ausgerüstetes Schiff

Country Status (8)

Country Link
EP (1) EP1870330B1 (de)
JP (1) JP2008001357A (de)
KR (1) KR20070120904A (de)
CN (1) CN101092163B (de)
AT (1) ATE529329T1 (de)
DK (1) DK1870330T3 (de)
ES (1) ES2374947T3 (de)
FR (1) FR2902403B1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI122324B (fi) * 2007-07-06 2011-11-30 Aker Arctic Technology Oy Menetelmä vesialuksen jäänmurtamisominaisuuksien parantamiseksi ja menetelmän mukaan valmistettu vesialus
JP4573911B1 (ja) * 2010-02-10 2010-11-04 長山 明 船舶
CN102490886A (zh) * 2011-12-06 2012-06-13 武汉武船海洋工程船舶设计有限公司 一种海洋工程船舶
CN103507933A (zh) * 2012-06-29 2014-01-15 北京科实医学图像技术研究所 轮船转向机构的改进方案
CN102897290A (zh) * 2012-10-08 2013-01-30 江苏省镇江船厂（集团）有限公司 电力全回转舵桨推进的海洋石油平台支持船
JP2014076755A (ja) * 2012-10-11 2014-05-01 Suzuki Motor Corp 船舶の制御システム、船舶の制御方法、プログラム
JP6618869B2 (ja) * 2016-08-19 2019-12-11 ジャパンマリンユナイテッド株式会社 船舶の推進システム
JP6618868B2 (ja) * 2016-08-19 2019-12-11 ジャパンマリンユナイテッド株式会社 船舶の推進システム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1176919A (en) * 1980-10-24 1984-10-30 Eric R. May Propulsion of ships
JPS6328098U (de) * 1986-08-08 1988-02-24
US6238257B1 (en) * 1998-10-30 2001-05-29 Bird-Johnson Company Surface vessel with a waterjet propulsion system
JP3958051B2 (ja) 2002-01-22 2007-08-15 三菱重工業株式会社 船舶およびその運用方法
FI113753B (fi) * 2002-02-06 2004-06-15 Kvaerner Masa Yards Oy Järjestelmä, menetelmä ja asennusmenetelmä vesikulkuneuvossa
FI115128B (fi) 2002-05-24 2005-03-15 Waertsilae Finland Oy Vesikulkuneuvon propulsiojärjestelmä ja menetelmä vesikulkuneuvon propulsiojärjestelmän käyttämiseksi
GB0328960D0 (en) * 2003-12-13 2004-01-14 Univ Newcastle Support for propulsion apparatus for a water-borne vessel, and propulsion apparatus incorporating such support
FR2869586B1 (fr) * 2004-04-30 2006-06-16 Alstom Sa Ensemble de propulsion pour navire, comprenant une nacelle destinee a une installation sous la carene du navire

Also Published As

Publication number Publication date
ATE529329T1 (de) 2011-11-15
DK1870330T3 (da) 2012-01-23
JP2008001357A (ja) 2008-01-10
CN101092163B (zh) 2012-02-01
EP1870330A1 (de) 2007-12-26
FR2902403B1 (fr) 2008-09-19
FR2902403A1 (fr) 2007-12-21
KR20070120904A (ko) 2007-12-26
CN101092163A (zh) 2007-12-26
ES2374947T3 (es) 2012-02-23

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