EP2163472B1 - Antriebs- und Steueranordnung - Google Patents

Antriebs- und Steueranordnung Download PDF

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Publication number
EP2163472B1
EP2163472B1 EP08164276.1A EP08164276A EP2163472B1 EP 2163472 B1 EP2163472 B1 EP 2163472B1 EP 08164276 A EP08164276 A EP 08164276A EP 2163472 B1 EP2163472 B1 EP 2163472B1
Authority
EP
European Patent Office
Prior art keywords
rudder
bulb
shaped body
propulsion
propeller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP08164276.1A
Other languages
English (en)
French (fr)
Other versions
EP2163472A1 (de
Inventor
Henning Kuhlmann
Teus Van Beek
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WAERTSILAE NETHERLANDS BV
Becker Marine Systems GmbH and Co KG
Original Assignee
Becker Marine Systems GmbH and Co KG
Wartsila Netherlands BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Becker Marine Systems GmbH and Co KG, Wartsila Netherlands BV filed Critical Becker Marine Systems GmbH and Co KG
Priority to EP08164276.1A priority Critical patent/EP2163472B1/de
Priority to ES08164276.1T priority patent/ES2548060T3/es
Priority to DK08164276.1T priority patent/DK2163472T3/en
Priority to CN2009102116213A priority patent/CN101898630A/zh
Priority to JP2009210115A priority patent/JP2010064739A/ja
Priority to KR1020090085922A priority patent/KR20100036935A/ko
Publication of EP2163472A1 publication Critical patent/EP2163472A1/de
Application granted granted Critical
Publication of EP2163472B1 publication Critical patent/EP2163472B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B63H25/06—Steering by rudders
    • B63H25/38—Rudders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/28—Other means for improving propeller efficiency
    • 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
    • B63H25/48—Steering or slowing-down by deflection of propeller slipstream otherwise than by rudder
    • 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
    • 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
    • B63H25/06—Steering by rudders
    • B63H25/38—Rudders
    • B63H2025/388—Rudders with varying angle of attack over the height of the rudder blade, e.g. twisted rudders

Definitions

  • the present invention relates to a propulsion and steering arrangement for a vessel.
  • the arrangement is of a kind that comprises a propeller, a rudder arranged behind the propeller, and a bulb-shaped body provided on a rudder blade of the rudder.
  • the most common means for propelling a vessel is a screw propeller which has two or more propeller blades.
  • the propulsive efficiency of the propeller which is defined as being the ratio between propulsion (also called effective) power and delivered power, should be as high as possible.
  • GB 762,445 teaches to arrange a bulb-shaped body behind the propeller in extension of the propeller axis.
  • a freely protruding head of the bulb-shaped body closely up to the trailing edge of the propeller blades so as to overlap the propeller hub.
  • the bulb-shaped body is supported by a rudder blade of a balancing rudder and the propeller hub has a recess engaged by the protruding head of the bulb-shaped body to allow a swinging movement of the bulb-shaped body relative to the propeller hub when the rudder blade is turned.
  • WO 2006/112787 A discloses a propulsion and steering arrangement of a vessel, wherein a fairing hubcap which is integral with a hub of a screw propeller forms a continuous streamlined body with a bulb-shaped body supported by a rudder blade of a full spade rudder behind the propeller.
  • the leading end of the bulb-shaped body and the hubcap are designed to keep a narrow gap between the bulb-shaped body and the hubcap constant when the rudder blade is turned.
  • WO 89/05262 A1 and EP 0 144 860 A2 disclose active rudders with a propeller mounted thereon, which are fitted with a pivotable flap on the trailing edge of the rudder blade, for increasing the rudder effect.
  • a propulsion and steering arrangement having the features defined in claim 1.
  • the fairing has a recess which is engaged by a leading end of the bulb-shaped body.
  • the rudder blade of the rudder may be a full spade rudder blade.
  • the rudder blade may have a twisted upper leading edge extending from an upper end of the rudder blade to the bulb-shaped body and a twisted lower leading edge extending from a lower end of the rudder blade to the bulb-shaped body.
  • the rudder may be a semi spade rudder having a fixed leading head.
  • the leading head may have a twisted upper leading edge extending from an upper end of the leading head to a lower end of the leading head
  • the rudder blade may have a twisted lower leading edge extending from a lower end of the rudder blade to the bulb-shaped body.
  • the twist of the full spade rudder blade or the semi spade rudder aligns the upper and lower leading edges with the incoming flow from behind the propeller, thus reducing propeller drag and, to a high degree, propeller cavitation.
  • At least one of the upper and lower leading edges has a constant twist angle.
  • the constant twist angle results in a rugged and easy to manufacture rudder.
  • the propulsion efficiency and fuel savings of the propulsion and steering arrangement according to the present invention are the more remarkable the farer the pivot axis of the rudder blade is disposed from the leading edge of the rudder, or the more the bulb-shaped body is displaced from the axis of rotation of the propeller for a given turning angle of the rudder blade.
  • the balance of the rudder is improved and the efficiency of the rudder at low ship speeds is increased.
  • the pivot axis of the rudder blade is preferably located at 30 to 50% of a maximum rudder length, more preferably at 35 to 50% of the maximum rudder length, and most preferably at 40 to 50% of the maximum rudder length in aft direction.
  • the propulsion efficiency and fuel savings are also improved by at least one of the following measures:
  • the bulb-shaped body is substantially equal or larger in width than the diameter at the tail end of the fairing and has a larger height than width.
  • a tail end of the bulb-shaped body is located above the level of the axis of rotation of the propeller on one side of the rudder blade and below the level of the axis of rotation of the propeller on the other side of the rudder blade.
  • the fairing has a concave shape towards the bulb-shaped body.
  • a vessel having the afore-mentioned propulsion and steering arrangement.
  • Figs. 1 to 4 show a propulsion and steering arrangement according to a first embodiment of the present invention.
  • the propulsion and steering arrangement is mounted on the stern of a vessel.
  • the vessel may be equipped with one or more of the propulsion and steering arrangements.
  • the propulsion and steering arrangement comprises a screw propeller 2 mounted on a drive shaft (not shown) of the vessel 40, and a rudder 10 which has a turnable full spade rudder blade 11 mounted at a pivot axis P to a rudder stock 32 of the vessel 40 behind a tail end of the propeller 2 and a movable flap 12 hinged to a tail end of the rudder blade 11 behind the pivot axis P.
  • the term "behind” refers to the fore direction of the vessel 40 as indicated by arrow F.
  • the rudder stock 32 is supported by a main bearing 36 at the stern of the vessel 40 and is actuated for turning the rudder blade 11 about the pivot axis P to port or starboard so as to manoeuvre the vessel 40. Further, an actuation mechanism 38 is adapted to move the flap 12 relative to the rudder blade 11 to port or starboard so as to manoeuvre the vessel 40. The movement of the flap 12 is independent of the rudder blade 11.
  • the pivot axis P of the illustrated rudder 10 is located at about 45% of a maximum rudder length L from the upper leading edge 14 in aft direction.
  • the maximum rudder length L is the maximum distance between the upper and lower leading edges 14, 15 and the trailing edge 16.
  • the pivot axis P can also be located at a different position, but preferably at 35 to 50% of the maximum rudder length L to achieve a superior balance of the rudder 10. The closer the pivot point P to the midsection of the rudder 10 is, the smaller is the steering angle of the rudder blade 11 needed for a given steering effect and the higher is the efficiency of the rudder at low ship speeds such as in harbour conditions.
  • the propeller 2 When the propeller 2 is driven by the drive shaft, the propeller 2 propels the vessel 40 in either the fore direction F or in the opposite aft direction.
  • water that has passed the propeller 2 forms a slip stream of swirling water which travels towards the rudder blade 11.
  • the propeller 2 has a hub 4 on which three propeller blades 8 are mounted. It can also have less or more blades.
  • the propeller 2 is shown as a variable pitch propeller, but may also have a fixed pitch.
  • the tail end of the propeller 2 is defined by a fairing hubcap 6 which has been screwed on or shrunk on the propeller hub 4 to be integral with the hub 4.
  • the illustrated concave contour of the propeller hub 4 can also be cast in a single piece.
  • the fairing hubcap 6 has a recess. The recess is engaged by a front end 22 of a bulb-shaped body 20 which has been attached to the rudder blade 11 by means of a flange connection to be integral with the rudder blade 11.
  • the front end 22 of the bulb-shaped body 20 projects into the recess of the hubcap 6 without contacting the recess.
  • the recess of the hubcap 6 and the front end 22 of the bulb-shaped body 20 are curved to keep a narrow gap between the recess of the hubcap 6 and the front end 22 of the bulb-shaped body 20 constant when the rudder blade 11 is turned.
  • the bulb-shaped body 20 and the hubcap 6 form a continuous streamlined body which is broken only by the narrow gap when the rudder blade 11 is not turned. Additionally, a flexible, non-contacting sealing structure may be provided between the bulb-shaped body 20 and the hubcap 6 to minimize the water flow in the narrow gap.
  • the concave hubcap 6 guides the propeller slip stream away from the narrow gap and around the bulb-shaped body 20 when the rudder blade 11 is not turned, and the bulb-shaped body 20 prevents a contraction of the propeller slip stream behind the propeller hub 4. As a result, separation losses behind the propeller hub 4 are reduced.
  • the bulb-shaped body 20 has roughly the shape of an ellipse in cross-section which is substantially equal or larger in width than the diameter at the tail end of the hubcap 6 and which has a larger height than width. This bulb-shaped body 20 has another effect in that it reduces water velocity through the propeller plane. Consequently, the average wake fraction of the vessel 40 and the hull efficiency are increased.
  • Fig. 2 shows the rudder 10 of Fig. 1 together with an upper cross section at an upper end 17 of the rudder 10 and a lower cross section at a lower end 18 of the rudder 10.
  • Figs. 3 and 4 show the upper and lower cross sections in more detail.
  • the rudder 10 has a streamlined profile with an upper leading edge 14 extending from the upper end 17 of the rudder blade 11 to the bulb-shaped body 20, a lower leading edge 15 extending from the lower end 18 of the rudder blade 11 to the bulb-shaped body 20, and a trailing edge 16 extending behind the bulb-shaped body 20 from the upper end 17 to the lower end 18 of the flap 12.
  • the upper leading edge 14 has a constant first twist angle ⁇ of 8° with respect to a centreline C of the rudder 10 in port-side direction, while the lower leading edge 15 has a constant twist angle ⁇ of 6° with respect to the centreline C of the rudder 10 in starboard direction.
  • the twist angles ⁇ , ⁇ can have different values, but are preferably less than 15°, more preferably less than 10°, and most preferably between 5° and 10° in each direction.
  • the twists of the illustrated upper and lower leading edges 14, 15 decrease in aft direction to 0° within a range defined by the respective leading edge 14, 15 and the pivot axis P of the rudder 10, so that the trailing edge 16 is not twisted and extends in a straight line.
  • the twists can also decrease to 0° within a range defined by the pivot axis P and the trailing edge 16, or the twists can continue up to the trailing edge 16 so that a fishtail rudder is formed.
  • the twisted leading edges 14, 15 meet the swirling water propelled backwards by the propeller 2.
  • the twisted leading edge profile of the rudder 10 improves the propeller slip stream through the rudder area, thereby increasing propeller efficiency.
  • the illustrated bulb-shaped body 20 has a symmetric shape. However, similar to the twisted leading edges 14, 15, the bulb-shaped body 20 may be asymmetric in shape. The angle formed between the axis of rotation of the propeller 2 and the tail end of the bulb-shaped body 20 may be such that the tail end of the bulb-shaped body 20 is located above the level of the axis of rotation of the propeller 2 on one side of the rudder blade 11 and below the level of the axis of rotation of the propeller 2 on the other side of the rudder blade 11. The asymmetric shape has the effect of further increasing propeller efficiency.
  • the drag produced by the rudder 10 at a small steering angle of 10° or less is higher.
  • the produced lift force is also much higher, meaning that smaller steering angles can be used. This trend changes for large steering angles of more than 10°, and this is of course due to the bulb-shaped body 20.
  • the rudder 10 shows a better lift-to-drag ratio than the standard rudder.
  • the flap 12 of the rudder 10 has the ability to redirect the propeller slip stream. Consequently, the lift-to-drag ratio is further increased, thereby facilitating small accurate turns at low ship speed.
  • the flap 12 of the rudder 10 has advantages at not only low ship speeds and large steering angles, but also high ship speeds and small steering angles of 10° or less. This is for the following reason.
  • the rudder blade 11 is turned so much that the front end 22 of the bulb-shaped body 20 comes out from the shadow of the hubcap 6, the continuous streamlined body formed by the bulb-shaped body 20 and the hubcap 6 is disrupted, so that flow friction increases and unwanted turbulence is formed.
  • the vessel 40 can be steered without turning the rudder blade 11 or with a smaller steering angle of the rudder blade 11. Therefore, the manoeuvring situations where the front end 22 of the bulb-shaped body 20 comes out from the shadow of the hubcap 6 will be less as compared with the standard rudder which has no flap 12. Consequently, considerable fuel savings are obtained.
  • the flap 12 is so efficient that it is possible to make the front end 22 of the bulb-shaped body 20 which projects from the leading end of the rudder blade 11 longer and the hubcap 6 shorter.
  • the hubcap 6 being shorter, the rotating parts between the propeller plane and the rudder 10 are smaller in length, which lowers flow friction and further increases efficiency.
  • the efficiency gains are particularly large for propellers with a relatively large propeller hub, such as highly loaded controllable pitch propeller systems as on RoRo vessels, RoPax ferries, container/multipurpose vessels, or cargo vessels with an ice class notation. Due to the large ratio between propeller and hub diameters, the hub losses would be significant for a conventional combination of propeller and rudder. With the application of the propulsion and steering arrangement according to the first embodiment, these losses can largely be avoided.
  • the gains for single screw full block ships can be quite significant.
  • the bulb-shaped body 20 causes the wake fraction to become larger and thus also the hull efficiency to increase.
  • the annual savings could also be well worth the investment.
  • Fig. 5 shows a propulsion and steering arrangement according to a second embodiment of the present invention mounted on the stern of a vessel 40.
  • the propulsion and steering arrangement comprises a screw propeller 2 mounted on a drive shaft 30 of the vessel 40, and a semi spade rudder 10' mounted behind the propeller 2 to the hull of the vessel 40.
  • the semi spade rudder 10' comprises a leading head 34 which is fixed to the hull of the vessel 40, a turnable rudder blade 11 mounted at a pivot point P to a rudder stock 32 of the vessel 40, and a movable flap 12 hinged to a tail end of the rudder blade 12.
  • the rudder stock 32 is supported by a main bearing 36 provided in a lower part of the leading head 34 and is actuated for turning the rudder blade 11 about the pivot axis P to port or starboard so as to manoeuvre the vessel 40. Further, an actuation mechanism (not shown) is provided in the inside of the rudder blade 11 for moving the flap 12 relative to the rudder blade 11 to port or starboard so as to manoeuvre the vessel 40. The movement of the flap 12 is independent of the rudder blade 11.
  • the illustrated rudder 10' has a constant rudder length in fore and aft direction.
  • the pivot axis P of the rudder blade 11 is located at about 41% to achieve a good balance of the rudder 10'.
  • the propeller 2 has a hub 4 on which four propeller blades 8 are mounted. It can also have less or more blades.
  • the propeller 2 is shown as a variable pitch propeller, but may also have a fixed pitch.
  • the propeller hub 4 has been cast in a single piece to have the shape of a fairing which is slightly concave towards the tail end thereof.
  • the fairing can be a hubcap which has been screwed on or shrunk on the propeller hub.
  • the hub 4 has a recess which is engaged by a leading end of the bulb-shaped body 20 without contacting the recess.
  • the recess of the hub 4 and the leading end of bulb-shaped body 20 are curved to keep the narrow gap constant when the rudder blade 11 is turned.
  • the bulb-shaped body 20 and the hub 4 form a continuous streamlined body which is broken only by a narrow gap to allow a swinging movement of the bulb-shaped body 20 relative to the hub 4 when the rudder blade 11 is turned.
  • the streamlined body prevents a contraction of the propeller slip stream, thereby reducing separation losses.
  • the bulb-shaped body 20 has roughly the shape of an ellipse in cross-section which is substantially equal or larger in width than the diameter at the tail end of the hubcap 6 and which has a larger height than width. This bulb-shaped body 20 has another effect in that it reduces water velocity through the propeller plane. Consequently, the average wake fraction of the vessel 40 and the hull efficiency are increased.
  • the semi spade rudder 10' has a streamlined profile with a twisted upper leading edge 14, a twisted lower leading edge 15, and a trailing edge 16 which is not twisted and extends in a straight line.
  • the upper leading edge 14 extends from an upper end of the leading head 34 to a lower end of the leading head 34.
  • the lower leading edge 15 extends from a lower end 18 of the rudder blade 11 to the bulb-shaped body 20.
  • the upper leading edge 14 has a constant first twist angle with respect to a centreline of the rudder 10' in starboard direction, while the lower leading edge 15 has a constant twist angle with respect to the centreline in port-side direction.
  • the twist angles have values less than 15°, more preferably less than 10°, and most preferably between 5° and 10° in each direction.
  • the twist of the upper leading edge 14 decreases to 0° in aft direction towards the rudder stock 32.
  • the twist of the lower leading edge 15 decreases to 0° in aft direction within a range defined by the lower leading edge 15 and the pivot axis P of the rudder 10'.
  • the range between the pivot axis P and the trailing edge 16 can also be twisted.
  • the twisted leading edges 14, 15 meet the swirling water propelled backwards by the propeller 2.
  • the twisted leading edge profile of the rudder 10' improves the propeller slip stream through the rudder area, thereby increasing propeller efficiency.
  • the lift-to-drag ratio of the rudder 10' is better than a standard rudder which has no bulb-shaped body 20.
  • the flap 12 of the rudder 10' further increases the lift-to-drag ratio at low ship speeds, thereby facilitating small accurate turns at low ship speed. Additionally, by actuating the flap 12, the vessel 40 can be steered without turning the rudder blade 11 or with a smaller steering angle of the rudder blade 11. Therefore, the manoeuvring situations where the front end 22 of the bulb-shaped body 20 comes out from the shadow of the hub 4 will be less as compared with a standard rudder which has no flap 12. Consequently, considerable fuel savings are obtained.
  • the flap 12 is so efficient that it is possible to make the front end 22 of the bulb-shaped body 20 which projects from the leading end of the rudder blade 11 longer and the hub 4 shorter or reduce the size of the rudder 10', so that efficiency is further improved.
  • the efficiency gains of the rudder 10' are particularly large for propellers with a relatively large propeller hub and for single screw full block ships.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Toys (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (12)

  1. Antriebs- und Steueranordnung für ein Schiff (40), wobei die Anordnung eine Schiffsschraube (2) und ein hinter der Schiffsschraube (2) angeordnetes Ruder (10; 10') umfasst, wobei
    die Schiffsschraube (2) auf einer Antriebswelle (30) des Schiffs (40) befestigt ist; und
    eine Verkleidung (4; 6) an einem Schwanzende der Schraube (2) und ein birnenförmiger Körper (20), der auf einem Ruderblatt (11) des Ruders (10; 10') vorgesehen ist, einen stromlinienförmigen Körper ausbilden, der bis auf einen engen Spalt zwischen der Verkleidung (4; 6) und dem birnenförmigen Körper (20), um eine schwingende Bewegung des birnenförmigen Körpers (20) bezüglich der Verkleidung (4; 6) zuzulassen, wenn das Ruderblatt (11) gedreht wird, durchgängig ist,
    dadurch gekennzeichnet, dass
    ein Schwanzende des Ruderblatts (11) mit einer beweglichen Klappe (12) versehen ist.
  2. Antriebs- und Steueranordnung nach Anspruch 1, wobei die Verkleidung (4; 6) eine Vertiefung hat, die von einem Vorderende (22) des birnenförmigen Körpers (20) besetzt ist.
  3. Antriebs- und Steueranordnung nach Anspruch 1 oder 2, wobei das Ruderblatt (11) des Ruders (10) ein Vollschweberuderblatt (11) ist.
  4. Antriebs- und Steueranordnung nach Anspruch 3, wobei das Ruderblatt (11) eine verdrehte obere Vorderkante (14), die sich von einem oberen Ende (17) des Ruderblatts (11) aus zum birnenförmigen Körper (20) erstreckt, und eine verdrehte untere Vorderkante (15) hat, die sich von einem unteren Ende (18) des Ruderblatts (11) aus zum birnenförmigen Körper (20) erstreckt.
  5. Antriebs- und Steueranordnung nach Anspruch 1 oder 2, wobei das Ruder (10') ein Halbschweberuder ist, das einen feststehenden Vorderkopf (34) hat.
  6. Antriebs- und Steueranordnung nach Anspruch 5, wobei der Vorderkopf (34) eine verdrehte obere Vorderkante (14) hat, die sich von einem oberen Ende (17) des Vorderkopfs (34) aus zu einem unteren Ende des Vorderkopfs (34) erstreckt, und das Ruderblatt (11) eine verdrehte untere Vorderkante (15) hat, die sich von einem unteren Ende (18) des Ruderblatts (11) aus zum birnenförmigen Körper (20) erstreckt.
  7. Antriebs- und Steueranordnung nach Anspruch 4 oder 6, wobei zumindest eine der oberen Vorderkante (14) und der unteren Vorderkante (15) einen konstanten Verdrehungswinkel (α, β) hat.
  8. Antriebs- und Steueranordnung nach einem der vorstehenden Ansprüche, wobei sich eine Schwenkachse (P) des Ruderblatts (11) in Heckrichtung bei 30 bis 50% einer maximalen Ruderlänge (L), vorzugsweise bei 35 bis 50% der maximalen Ruderlänge (L) und noch besser bei 40 bis 50% der maximalen Ruderlänge (L) befindet.
  9. Antriebs- und Steueranordnung nach einem der vorstehenden Ansprüche, wobei die Breite des birnenförmigen Körpers (20) im Wesentlichen größer oder gleich dem Durchmesser am Schwanzende der Verkleidung (4; 6) ist und eine größere Höhe als Breite hat.
  10. Antriebs- und Steueranordnung nach einem der vorstehenden Ansprüche, wobei sich ein Schwanzende des birnenförmigen Körpers (20) auf einer Seite des Ruderblatts (11) oberhalb des Niveaus einer Drehachse der Schraube (2) und auf der anderen Seite des Ruderblatts (11) unterhalb des Niveaus der Drehachse der Schraube (2) befindet.
  11. Antriebs- und Steueranordnung nach einem der vorstehenden Ansprüche, wobei die Verkleidung (4; 6) zum birnenförmigen Körper (20) hin eine konkave Form hat.
  12. Schiff (40) mit einer Antriebs- und Steueranordnung gemäß einem der vorstehenden Ansprüche.
EP08164276.1A 2008-09-12 2008-09-12 Antriebs- und Steueranordnung Not-in-force EP2163472B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP08164276.1A EP2163472B1 (de) 2008-09-12 2008-09-12 Antriebs- und Steueranordnung
ES08164276.1T ES2548060T3 (es) 2008-09-12 2008-09-12 Disposición de propulsión y dirección
DK08164276.1T DK2163472T3 (en) 2008-09-12 2008-09-12 Propulsion and control device
CN2009102116213A CN101898630A (zh) 2008-09-12 2009-09-11 推进及转向装置
JP2009210115A JP2010064739A (ja) 2008-09-12 2009-09-11 推進舵取り装置
KR1020090085922A KR20100036935A (ko) 2008-09-12 2009-09-11 추진 및 조향 장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08164276.1A EP2163472B1 (de) 2008-09-12 2008-09-12 Antriebs- und Steueranordnung

Publications (2)

Publication Number Publication Date
EP2163472A1 EP2163472A1 (de) 2010-03-17
EP2163472B1 true EP2163472B1 (de) 2015-08-26

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08164276.1A Not-in-force EP2163472B1 (de) 2008-09-12 2008-09-12 Antriebs- und Steueranordnung

Country Status (6)

Country Link
EP (1) EP2163472B1 (de)
JP (1) JP2010064739A (de)
KR (1) KR20100036935A (de)
CN (1) CN101898630A (de)
DK (1) DK2163472T3 (de)
ES (1) ES2548060T3 (de)

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* Cited by examiner, † Cited by third party
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KR101209310B1 (ko) 2011-04-18 2012-12-06 현대중공업 주식회사 프로펠러 회전축에 연결된 방향타를 구비한 선박
EP2535262B1 (de) * 2011-06-14 2015-12-30 ABB Oy Antriebsanordnung in einem Schiff
NO336848B1 (no) 2013-03-08 2015-11-16 Rolls Royce Marine As Rudders Roranordning
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EP2163472A1 (de) 2010-03-17
CN101898630A (zh) 2010-12-01
JP2010064739A (ja) 2010-03-25
ES2548060T3 (es) 2015-10-13
DK2163472T3 (en) 2015-12-07
KR20100036935A (ko) 2010-04-08

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