EP1843938A1 - Ship bow - Google Patents

Ship bow

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Publication number
EP1843938A1
EP1843938A1 EP05796039A EP05796039A EP1843938A1 EP 1843938 A1 EP1843938 A1 EP 1843938A1 EP 05796039 A EP05796039 A EP 05796039A EP 05796039 A EP05796039 A EP 05796039A EP 1843938 A1 EP1843938 A1 EP 1843938A1
Authority
EP
European Patent Office
Prior art keywords
ship
bow
inclined surface
runners
region
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.)
Granted
Application number
EP05796039A
Other languages
German (de)
French (fr)
Other versions
EP1843938B1 (en
Inventor
Udo Wulf
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.)
New Logistics GmbH
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New Logistics GmbH
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Publication date
Application filed by New Logistics GmbH filed Critical New Logistics GmbH
Priority to PL05796039T priority Critical patent/PL1843938T3/en
Publication of EP1843938A1 publication Critical patent/EP1843938A1/en
Application granted granted Critical
Publication of EP1843938B1 publication Critical patent/EP1843938B1/en
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Classifications

    • 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
    • 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
    • B63B2001/066—Substantially vertical stems

Definitions

  • the invention relates to a ship bow according to the preamble of claim 1.
  • Such a ship bow which can also be used as a module in modern shipbuilding, is suitable for different purposes, such as a container ship, a tanker, or a multi-purpose ship and the like.
  • the ship's hull contour according to DE 29 28 634 Bl is z. B. designed with a three-keel shape. In this contour usable cargo space is lost. Also, the modular design for different types of ships should hardly be feasible, with the integration of an air bubble guide to reduce the friction on the ship's bottom, seems hardly usable.
  • DE 38 38 791 A1 describes a ship's bow with two outer keel lines.
  • the underside of the hull is particularly suitable for sports and yachting.
  • cargo ships of any kind there are hardly any realization possibilities with regard to the integration of modern drive systems as well as a modular construction of a ship.
  • From DE 37 12 534 Al a ship's hull with two lateral, catamaran-like floats and height-offset center area is known. This central area serves as a passage area of the water to the approximately centrally arranged propeller.
  • the bow of the ship described in the application DE 103 43 078.4 is specially designed for propulsion units accommodated in the fore ship, with the hydrodynamic shaping still making improvements in the basic design accessible.
  • the invention is therefore based on the invention to provide a ship bow that can be used with high efficiency in ship operation, modular in a variety of ship types and trades, such as shallow water or deep water zones.
  • a core idea of the invention here is to create a semi-catamaran-type ship bow with a central, carriage-like inclined surface structure.
  • the semi-catamaran In this case, tur is left at the transition to the middle ship area, ie after the bow area, in order to obtain the largest possible cargo space.
  • the oblique surface contour is created in its course from the lowest fictitious Kielline to the top bow area with a continuous transition into a lower and an upper transition region inclined surface, the water in the bow area retracted water waves propulsion-efficiently slide under the ship's bottom.
  • the main surface of the inclined surface region is advantageously arranged at an inclination angle of about 10 to o 25 relative to the fictitious Kielline and is in a large radius of arc of about 10 to 40m in the ship's bottom or in the foremost bow area over.
  • the inclined surface has in this case approximately Edinburgh Anlagende wedge shape, so that a congestion of impinging waves is largely avoided and also the suitability for ice travel appears possible.
  • outside skids are provided in the style of mounted wedges port and starboard side and have a maximum free distance A at the bow stem.
  • the skid structure is preferably designed to be straight in the direction of the midships axis, possibly also strictly parallel to the midships axis.
  • the outer contour of the runners is arcuately configured from the front wedge tip to a maximum width, wherein a mean tangential line to the outer contour expediently has an angle ⁇ in Be o rich of about 6 to 20. At the wedge tip o this angle can also be about 30.
  • the total width B of the bug resp. Ship depends on the purpose and design of the ship in a relation to the distance A. This relation is preferably selected in the range of 1, 5 to 3, 5.
  • the inner surfaces of the skids may be at an angle p in a range of about -5 to o + 5 to that defined by the tip of the skiff Parallels to
  • the ship bow according to the invention can be used as a module in a variety of ship types such as container, tank or bulk carrier or the like and is also suitable for a variety of ship sizes.
  • the optimal suitability for inland waters as well as for coastal and ocean shipping appears to be confirmed by test results on the model.
  • the advantageously approximately vertical course of the leading edge of the runners with the central oblique surface contour results in a catchment area for impinging waves in a front opening area A, which is also suitable for air bubble lubrication on the inclined surface and on the ship's bottom.
  • the ship's bow is particularly suitable for shallow water rides, especially on inland waters, with a relatively high ship speed, whereby the hydrodynamic structure reduces even at higher speeds stronger wave formation and high economic efficiency is achieved.
  • Fig. 1 is a vertical section through a ship's bow in the midships axis and Fig. 2 is a view of the bottom area of the ship's bow module according to FIG. 1 with the essential information on the geometry of the ship's bow.
  • FIG. 1 shows a ship bow 1 with modular character in a sectional representation along the midships axis 30.
  • the Vordersteven 3 a port side provided upstanding runner 6 has a largely vertical front wedge tip.
  • the lowest area of the ship's bow 1 runs along a fictitious keel line 4, which indicates the ship's bottom 5 in the direction of the ship's center.
  • a carriage-like inclined surface region 9 is provided which extends approximately at an angle ⁇ of 10 o to 25 to the notional keel line 4.
  • this inclined surface region 9 is arcuate with a large radius C in the transition region 14 into the ship's bottom 5.
  • the radius C can be approx. 10 to 45m, preferably up to 40m.
  • Range expediently runs in the direction of the front stem o 3 at an angle " ⁇ from 1 to 20.
  • FIG. 2 The view on the bottom side of FIG. 2 shows the skids 6, 7 with a straight surface or inner line 18 and an arcuate outer contour 19 up to a maximum width 25. At the front stem, a distance A is provided between the tips of the runners 6, 7 as inflow opening for the bow-sided water. 005/010496
  • the free distance A is expediently maintained constant as an internal distance between the runners 6, 7 in the bow area.
  • longitudinal webs 23 with a small height of approximately 2 to 3 cm can already be provided in the inclined surface region 9 for better guidance of the air bubble veil.
  • the mean angle ⁇ as a tangential angle to the arcuate outer contour 19 of a runner 17 is about 6 o to 20. At the wedge tip 3, this angle is greater o and can be about 30.
  • the relevant geometric data of the bow of the ship according to the invention can also be approximately taken from the ratios shown in Figures 1 and 2.
  • this ship bow for different types of ships and waters as well as for a variety of drive units, possibly even for ice travel, can be used.

Abstract

The ship's bow end (1) has an angled surface region (9) in the center, and runners (e.g. 6) on port and starboard sides in catamaran form. The angled surface and the runners merge into an imaginary keel line (4) towards midships. The runners are of keel shape, with maximum width towards midships. At the front end (3) of the runner, there is a clearance for free flow.

Description

SchiffsbugShip's Bow
Die Erfindung betrifft einen Schiffsbug gemäß Oberbegriff des Anspruches 1.The invention relates to a ship bow according to the preamble of claim 1.
Ein derartiger Schiffsbug, der im modernen Schiffbau auch als Modul eingesetzt werden kann, ist für unterschiedliche Einsatzzwecke, wie einem Containerschiff, einem Tankschiff, oder einem Mehrzweckschiff und dergleichen geeignet .Such a ship bow, which can also be used as a module in modern shipbuilding, is suitable for different purposes, such as a container ship, a tanker, or a multi-purpose ship and the like.
Schiffsbuge mit vergleichbaren Formen sind z . B . aus der DE 29 28 634 Bl , der DE 38 38 791 Al bzw. DE 39 12 534 Al bekannt .Ships with comparable shapes are z. B. From DE 29 28 634 Bl, DE 38 38 791 Al or DE 39 12 534 Al known.
Die Schiffsrumpfkontur gemäß DE 29 28 634 Bl ist z . B . mit einer Drei-Kiel-Form ausgelegt . Bei dieser Kontur geht nutzbarer Laderaum verloren. Auch der modulartige Aufbau für unterschiedliche Schiffstypen dürfte kaum realisierbar sein, wobei auch die Integration einer Luftblasenführung zur Verringerung der Reibung am Schiffsboden, kaum einsetzbar erscheint .The ship's hull contour according to DE 29 28 634 Bl is z. B. designed with a three-keel shape. In this contour usable cargo space is lost. Also, the modular design for different types of ships should hardly be feasible, with the integration of an air bubble guide to reduce the friction on the ship's bottom, seems hardly usable.
Die DE 38 38 791 Al beschreibt einen Schiffsbug mit zwei außenliegenden Kiellinien . Die Unterfläche des Schiffsrumpfes eignet sich hierbei besonders für den Sport- und Yachtbetrieb . Im Hinblick auf den Einsatz bei Frachtschiffen jeglicher Art sind sowohl im Hinblick auf die Integration moderner Antriebssysteme wie auch eines modulartigen Aufbaus eines Schiffes kaum Realisierungsmöglichkeiten erkennbar . Aus der DE 37 12 534 Al ist ein Schiffsrumpf mit zwei seitlichen, katamaranartigen Schwimmkörpern und höhenversetztem Mittelbereich bekannt . Dieser Mittelbereich dient als Durchlassbereich des Wasser zur etwa mittig angeordneten Schiffsschraube.DE 38 38 791 A1 describes a ship's bow with two outer keel lines. The underside of the hull is particularly suitable for sports and yachting. With regard to the use of cargo ships of any kind, there are hardly any realization possibilities with regard to the integration of modern drive systems as well as a modular construction of a ship. From DE 37 12 534 Al a ship's hull with two lateral, catamaran-like floats and height-offset center area is known. This central area serves as a passage area of the water to the approximately centrally arranged propeller.
Aufgrund des über die gesamte Schiffslänge durchgeführten Mittenbereichs wird der Nachteil von nicht nutzbarem Volumen als Ladevolumen bewusst in Kauf genommen. Eine modulartige Veränderung des Schiffsbuges eignet sich daher nur für den speziell in diesem Stand der Technik beschriebenen Schiffstyp.Due to the center section, which takes place over the entire length of the ship, the disadvantage of unusable volume as loading volume is deliberately accepted. A modular change of the ship's bow is therefore only suitable for the type of ship described specifically in this prior art.
Der in der Anmeldung DE 103 43 078.4 beschriebene Schiffsbug ist speziell für im Vorderschiff untergebrachte Propul- sionseinheiten ausgelegt, wobei die hydrodynamische Formgebung noch Verbesserungen in der grundsätzlichen Konzeption zugänglich erscheint.The bow of the ship described in the application DE 103 43 078.4 is specially designed for propulsion units accommodated in the fore ship, with the hydrodynamic shaping still making improvements in the basic design accessible.
Die vorausgehend aufgezeigten Formen von Schiffsbugen sind daher teilweise modulartig für unterschiedliche Nutzschiffe nicht einsetzbar.The previously shown forms of ship bowing are therefore partially modular for different commercial vessels can not be used.
Der Erfindung liegt daher die A u f g a b e zugrunde, einen Schiffsbug zu schaffen, der bei hoher Wirtschaftlichkeit im Schiffsbetrieb, modulartig bei unterschiedlichsten Schiffstypen und Fahrtgebieten, wie Flachwasser- oder Tief- wasserzonen, eingesetzt werden kann.The invention is therefore based on the invention to provide a ship bow that can be used with high efficiency in ship operation, modular in a variety of ship types and trades, such as shallow water or deep water zones.
Diese Aufgabe wird erfindungsgemäß bei einem Schiffsbug durch die Merkmale des Anspruches 1 gelöst .This object is achieved in a ship bow by the features of claim 1.
Ein Kerngedanke der Erfindung ist hierbei einen semikatama- ranartigen Schiffsbug mit mittiger, schlittenartiger Schrägflächenstruktur zu schaffen. Die Seminkatamaranstruk- tur wird hierbei am Übergang zum mittleren Schiffsbereich, also nach dem Bugbereich, verlassen, um größtmöglichen Frachtraum zu erhalten. Andererseits wird die Schrägflächenkontur in ihrem Verlauf von der untersten fiktiven Kiellinie bis in den obersten Bugbereich mit einem kontinuierlich in einen unteren und einen oberen Übergangsbereich übergehender Schrägfläche geschaffen, die im Bugbereich eingezogene Wasserwellen vortriebs-effizient unter den Schiffsboden gleiten lassen.A core idea of the invention here is to create a semi-catamaran-type ship bow with a central, carriage-like inclined surface structure. The semi-catamaran In this case, tur is left at the transition to the middle ship area, ie after the bow area, in order to obtain the largest possible cargo space. On the other hand, the oblique surface contour is created in its course from the lowest fictitious Kiellinie to the top bow area with a continuous transition into a lower and an upper transition region inclined surface, the water in the bow area retracted water waves propulsion-efficiently slide under the ship's bottom.
Die Hauptfläche des Schrägflächenbereiches ist hierbei vorteilhafterweise in einem Neigungswinkel von etwa 10 bis o 25 gegenüber der fiktiven Kiellinie angeordnet und geht in großem Bogenradius von etwa 10 bis 40m in den Schiffsboden bzw. im vordersten Bugbereich über . Die Schrägfläche weist hierbei etwa auflaufende Keilform auf, so dass eine Stauwirkung von auftreffenden Wellen weitgehend vermieden wird und zudem auch die Eignung für Eisfahrt möglich erscheint .The main surface of the inclined surface region is advantageously arranged at an inclination angle of about 10 to o 25 relative to the fictitious Kiellinie and is in a large radius of arc of about 10 to 40m in the ship's bottom or in the foremost bow area over. The inclined surface has in this case approximately auflaufende wedge shape, so that a congestion of impinging waves is largely avoided and also the suitability for ice travel appears possible.
Die katamaranartigen, außenseitigen Kufen sind in Art aufgestellter Keile backbord- und steuerbordseitig vorgesehen und haben einen maximalen freien Abstand A am Bugsteven.The katamaranartigen, outside skids are provided in the style of mounted wedges port and starboard side and have a maximum free distance A at the bow stem.
Die Kufenstruktur ist zur Mittschiffsachse vorzugsweise geradlinig ausgelegt, gegebenenfalls auch streng parallel zur Mittschiffsachse. Die Außenkontur der Kufen ist von der vorderen Keilspitze bogenförmig bis zu einer maximalen Breite konfiguriert, wobei eine mittlere Tangentiallinie an die Außenkontur zweckmäßigerweise einen Winkel λ im Be- o reich von etwa 6 bis 20 aufweist . An der Keilspitze o kann dieser Winkel auch etwa 30 betragen . Die Gesamtbreite B des Bugs bzw . Schiffes steht abhängig vom Einsatzzweck und Auslegung des Schiffes in einer Relation zum Abstand A. Diese Relation wird vorzugsweise im Bereich von 1 , 5 bis 3 , 5 gewählt . Abhängig von der Installation von Propulsionseinheiten im Vorschiff und in Abstimmung auf mögliche Vorrichtungen zur Reduzierung der Reibung am Schiffsboden, können zur hydrodynamischen Verbesserung die Innenflächen der Kufen in o einem Winkel p in einem Bereich von etwa -5 bis o +5 zur durch die Kufenspitze gelegten Parallelen zurThe skid structure is preferably designed to be straight in the direction of the midships axis, possibly also strictly parallel to the midships axis. The outer contour of the runners is arcuately configured from the front wedge tip to a maximum width, wherein a mean tangential line to the outer contour expediently has an angle λ in Be o rich of about 6 to 20. At the wedge tip o this angle can also be about 30. The total width B of the bug resp. Ship depends on the purpose and design of the ship in a relation to the distance A. This relation is preferably selected in the range of 1, 5 to 3, 5. Depending on the installation of propulsion units in the foredeck and in accordance with possible devices for reducing friction at the ship's bottom, for hydrodynamic enhancement, the inner surfaces of the skids may be at an angle p in a range of about -5 to o + 5 to that defined by the tip of the skiff Parallels to
Längsachse bzw. Mittschiffsachse des Schiffes, angeordnet werden.Longitudinal axis or midships axis of the ship to be arranged.
Der erfindungsgemäße Schiffsbug kann als Modul bei verschiedensten Schiffstypen wie Container- , Tank- oder Massengutfrachter oder dergleichen eingesetzt werden und ist auch für unterschiedlichste Schiffsgrößen geeignet. Die optimale Eignung für Binnengewässer wie auch für Küsten- und Hochseefahrt erscheint durch Testergebnisse am Modell bestätigt zu werden.The ship bow according to the invention can be used as a module in a variety of ship types such as container, tank or bulk carrier or the like and is also suitable for a variety of ship sizes. The optimal suitability for inland waters as well as for coastal and ocean shipping appears to be confirmed by test results on the model.
Der vorteilhafterweise etwa senkrechte Verlauf des Vorderstevens der Kufen ergibt mit der mittigen Schrägflächenkon- tur einen Einzugsbereich für auftreffende Wellen bei einem vorderen Öffnungsbereich A, der sich auch für eine Luftblasenschmierung an der Schrägfläche und am Schiffsboden eignet.The advantageously approximately vertical course of the leading edge of the runners with the central oblique surface contour results in a catchment area for impinging waves in a front opening area A, which is also suitable for air bubble lubrication on the inclined surface and on the ship's bottom.
Der Schiffsbug eignet sich besonders für Flachwasserfahrten, insbesondere auf Binnengewässern, mit relativ hoher Schiffsgeschwindigkeit, wobei durch die hydrodynamische Struktur auch bei höheren Geschwindigkeiten stärkere Wellenbildung reduziert und eine hohe wirtschaftliche Effektivität erreicht wird.The ship's bow is particularly suitable for shallow water rides, especially on inland waters, with a relatively high ship speed, whereby the hydrodynamic structure reduces even at higher speeds stronger wave formation and high economic efficiency is achieved.
Die Erfindung wird nachfolgend anhand eines Ausführungsbeispieles noch näher beschrieben. Hierbei zeigen:The invention will be described in more detail using an exemplary embodiment. Hereby show:
Fig. 1 einen vertikalen Schnitt durch einen Schiffsbug im Bereich der Mittschiffsachse und Fig . 2 eine Ansicht auf den Bodenbereich des Schiffsbug- Moduls nach Fig . 1 mit den wesentlichen Angaben zur Geometrieform des Schiffsbuges .Fig. 1 is a vertical section through a ship's bow in the midships axis and Fig. 2 is a view of the bottom area of the ship's bow module according to FIG. 1 with the essential information on the geometry of the ship's bow.
Die Darstellung nach Fig . 1 zeigt einen Schiffsbug 1 mit Modulcharakter in geschnittener Darstellung längs der Mittschiffsachse 30.The illustration of FIG. 1 shows a ship bow 1 with modular character in a sectional representation along the midships axis 30.
Der Vordersteven 3 einer backbordseitig vorgesehenen hochstehenden Kufe 6 hat eine weitgehend senkrecht verlaufende vordere Keilspitze . Der unterste Bereich des Schiffsbuges 1 verläuft längs einer fiktiven Kiellinie 4, die in Richtung zur Schiffsmitte den Schiffsboden 5 andeutet.The Vordersteven 3 a port side provided upstanding runner 6 has a largely vertical front wedge tip. The lowest area of the ship's bow 1 runs along a fictitious keel line 4, which indicates the ship's bottom 5 in the direction of the ship's center.
Zwischen den außenliegenden Kufen 6 , 7 ist symmetrisch zur Mittschiffslinie 30 ein schlittenartiger Schrägflächenbereich 9 vorgesehen, der etwa in einem Winkel α von 10 o bis 25 zur fiktiven Kiellinie 4 verläuft .Between the outer runners 6, 7 symmetrically to the midship line 30, a carriage-like inclined surface region 9 is provided which extends approximately at an angle α of 10 o to 25 to the notional keel line 4.
Nach Fig . 1 geht dieser Schrägflächenbereich 9 bogenförmig mit großem Radius C im Übergangsbereich 14 in den Schiffsboden 5 über . Der Radius C kann hierbei ca . 10 bis 45m, vorzugsweise bis 40m, betragen.According to FIG. 1, this inclined surface region 9 is arcuate with a large radius C in the transition region 14 into the ship's bottom 5. The radius C can be approx. 10 to 45m, preferably up to 40m.
In ähnlicher Weise ist im vorderen Bereich der Schrägfläche 9 ein bogenförmiger Übergangsbereich 15 nach oben mit einem Radius D von ca . 10 bis 30m vorgesehen. Der sich an den Übergangsbereich 15 nach vorn anschließendeSimilarly, in the front region of the inclined surface 9, an arcuate transition region 15 upwards with a radius D of approx. 10 to 30m provided. The adjoining the transition region 15 forward
Bereich verläuft zweckmäßigerweise in Richtung Vordersteven o 3 unter einem Winkel "ψ von 1 bis 20 .Range expediently runs in the direction of the front stem o 3 at an angle "ψ from 1 to 20.
Die Ansicht auf die Bodenseite nach Fig . 2 zeigt die Kufen 6 , 7 mit geradliniger Fläche bzw. Innenlinie 18 und bogenförmiger Außenkontur 19 bis zu einer maximalen Breite 25. Am Vordersteven ist zwischen den Spitzen der Kufen 6 , 7 ein Abstand A als Einströmöffnung für bugseitiges Wasser vorgesehen. 005/010496The view on the bottom side of FIG. 2 shows the skids 6, 7 with a straight surface or inner line 18 and an arcuate outer contour 19 up to a maximum width 25. At the front stem, a distance A is provided between the tips of the runners 6, 7 as inflow opening for the bow-sided water. 005/010496
- 6 -- 6 -
Der freie Abstand A wird zweckmäßigerweise konstant als Innenabstand zwischen den Kufen 6, 7 im Bugbereich beibehalten.The free distance A is expediently maintained constant as an internal distance between the runners 6, 7 in the bow area.
Änderungen entsprechend spezifischen Gegebenheiten, wie Antriebstechnik im Vorschiffsbereich etc. , und eine Anordnung o der Innenlinien 18 in einem Winkel p mit +/-5 zurChanges according to specific circumstances, such as drive technology in the fore ship area, etc., and an arrangement o of the inner lines 18 at an angle p with +/- 5 to
Parallelen der Mittschiffsachse 30, ist zur Verbesserung des Strömungsverhaltens möglich.Parallels of the midshaft axis 30, is possible to improve the flow behavior.
Im Falle einer Vorrichtung zur Luftblaseneinbringung zur Reduzierung der Reibung am Schiffsboden können bereits im Schrägflächenbereich 9 Längsstege 23 mit geringer Höhe von ca. 2 bis 3 cm zur besseren Führung des Luftblasen-Schleiers vorgesehen werden.In the case of a device for introducing air bubbles to reduce friction at the ship's bottom, longitudinal webs 23 with a small height of approximately 2 to 3 cm can already be provided in the inclined surface region 9 for better guidance of the air bubble veil.
Der mittlere Winkel λ als Tangentialwinkel an die bogen- o förmige Außenkontur 19 einer Kufe 17 beträgt etwa 6 o bis 20 . An der Keilspitze 3 ist dieser Winkel größer o und kann etwa 30 betragen.The mean angle λ as a tangential angle to the arcuate outer contour 19 of a runner 17 is about 6 o to 20. At the wedge tip 3, this angle is greater o and can be about 30.
In Modelltests hat sich ein Verhältnis der maximalen Gesamtbreite B des Bugs 1 zum Abstand A besonders effizient im Bereich von 1 , 5 bis 3, 5 erwiesen.In model tests, a ratio of the maximum total width B of the bow 1 to the distance A has proven to be particularly efficient in the range of 1.5 to 3.5.
Abweichungen hiervon sind im Hinblick auf die spezielle Gesamtauslegung des Schiffskörpers, der Antriebsleistung und der Tragfähigkeit denkbar .Deviations from this are conceivable with regard to the special overall design of the hull, the drive power and the carrying capacity.
Die maßgeblichen geometrischen Daten des erfindungsgemäßen Schiffsbuges können auch näherungsweise den in den Figuren 1 und 2 gezeigten Verhältnissen entnommen werden. In der grundlegenden Idee ist dieser Schiffsbug für unterschiedliche Schiffstypen und Gewässer ebenso wie für unterschiedlichste Antriebseinheiten, gegebenenfalls sogar für Eisfahrt , einsetzbar. The relevant geometric data of the bow of the ship according to the invention can also be approximately taken from the ratios shown in Figures 1 and 2. In the basic idea of this ship bow for different types of ships and waters as well as for a variety of drive units, possibly even for ice travel, can be used.

Claims

PATENTANSPRÜCHE
1. Schiffsbug ( 1 ) mit mittlerem Schrägflächenbereich ( 9 ) und seitlich dazu vorgesehenen steuerbord- und backbordseitigen katamaranartigen Kufen ( 6 , 7 ) , wobei1. ship bow (1) with medium inclined surface area (9) and laterally provided starboard and port side catamaran skids (6, 7), wherein
Schrägflächenbereich ( 9 ) und Kufen ( 6 , 7 ) in Richtung Mittelschiff etwa in eine fiktive Kiellinie ( 4 ) übergehen, dadurch g e k e n n z e i c h n e t, dass die Kufen ( 6 , 7 ) keilförmig ausgebildet sind und in Richtung Mittelschiff eine maximale Breite ( 25 ) aufweisen, dass am vorderen Kufenende ( 3 ) ein Abstand A als freie Anströmöffnung für den Schrägflächenbereich ( 9 ) vorgesehen ist , und dass der Schrägflächenbereich ( 9 ) schlittenartig gestaltet ist mit einem Neigungswinkel α von etwa o 10 bis 25 .Inclined surface area (9) and runners (6, 7) in the direction of the central nave approximately in a fictitious Kiellinie (4), characterized in that the skids (6, 7) are wedge-shaped and towards the central nave have a maximum width (25), in that a distance A is provided at the front runner end (3) as a free inflow opening for the inclined surface region (9), and in that the oblique surface region (9) is designed like a slide with an inclination angle α of approximately 0.10 to 25.
2. Schiffsbug nach Anspruch 1 , dadurch g e k e n n z e i c h n e t, dass die Kufen ( 6 , 7 ) im Horizonalschnitt eine geradlinige Innenlinie ( 18 ) bzw . Innenfläche aufweisen, die etwa parallel zur Mittschiffslinie ( 30 ) oder unter o o einem Winkel ß im Bereich von -5 bis +5 zur parallelen Mittschiffslinie ( 30 ) vorgesehen sind, und dass die Außenlinie ( 19 ) der Kufen ( 6 , 7 ) im Wesentlichen unter einem Winkel λ zur parallelen Mittschiffslinie, insbesonsere mit bogenförmiger Kontur o verläuft, wobei λ im Bereich von ca . 6 bis o 20 liegt .2. Ship bow according to claim 1, characterized in that the skids (6, 7) in Horizonalschnitt a rectilinear inner line (18) or. Inner surface, which are provided approximately parallel to the midship line (30) or at an angle ß in the range of -5 to +5 to the parallel midship line (30), and that the outer line (19) of the runners (6, 7) extends substantially at an angle λ to the parallel midship line, in particular with an arcuate contour o, where λ is in the range of approx. 6 to 20 is located.
3. Schiffsbug nach einem der Ansprüche 1 oder 2 , dadurch g e k e n n z e i c h n e t, dass das Verhältnis V von maximaler Gesamtbreite B des Schiffbugs zu Abstand A im Bereich 1, 5 bis ca. 3, 5 gewählt ist .3. A ship bow according to one of claims 1 or 2, characterized in that the ratio V of maximum total width B of the ship's bow to distance A in the range 1, 5 to about 3, 5 is selected.
4. Schiffsbug nach einem der Ansprüche 1 bis 3, dadurch g e k e n n z e i c h n e t, dass der Schrägflächenbereich ( 9 ) in Richtung Mittelschiff kontinuierlich mit großer Bogenstruktur, insbesondere mit einem Radius C von etwa 10m bis 45m, in die fiktive Kiellinie ( 4 ) bzw. den Schiffsboden ( 5 ) , übergeht, und im vorderen Bugbereich einen bogenförmigen Übergang ( 15 ) mit Radius D von ca . 10 bis 30m aufweist .4. bow ship according to one of claims 1 to 3, characterized in that the inclined surface area (9) towards the nave continuously with large arch structure, in particular with a radius C of about 10m to 45m, in the fictitious Kiellinie (4) or the ship's bottom (5), passes over, and in the front bow region an arcuate transition (15) with radius D of approx. 10 to 30m.
5. Schiffsbug nach einem der Ansprüche 1 bis 4, dadurch g e k e n n z e i c h n e t, dass die Schrägfläche ( 9 ) nach vorn einen weiteren5. Ship bow according to one of claims 1 to 4, characterized in that e e n e c i n e t e that the inclined surface (9) forward another
Übergangsbereich ( bei 15 ) unter einem Winkel "ψ von o etwa 1 bis 20 zur Schrägfläche ( 9 ) nach oben aufweist.Transition region (at 15) at an angle "ψ of o about 1 to 20 to the inclined surface (9) upwards.
6. Schiffsbug nach einem der Ansprüche 1 bis 5 , dadurch g e k e n n z e i c h n e t, dass der Innenabstand A der Kufen ( 6 , 7 ) konstant ist , und dass die Außenkontur ( 19 ) der Kufen ( 6, 7 ) kontinuierlich bogenförmig von der Keilspitze ( 3 ) bis zur maximalen Breite ( 25 ) verläuft . 6. ship bow according to one of claims 1 to 5, characterized in that the inner spacing A of the runners (6, 7) is constant, and that the outer contour (19) of the skids (6, 7) continuously arcuate from the wedge tip (3) to the maximum width (25).
7. Schiffsbug nach einem der Ansprüche 1 bis 6, dadurch g e k e n n z e i c h n e t, dass die Geometrie den relativen Maßen gemäß Fig. 1 und/oder Fig. 2 entspricht .7. A ship bow according to any one of claims 1 to 6, characterized in that it e e e c e e s e e t e that the geometry corresponds to the relative dimensions of FIG. 1 and / or FIG.
8. Schiffsbug nach einem der Ansprüche 1 bis 7 , dadurch g e k e n n z e l e h n e t, dass Längsstege ( 23 ) geringer Höhe, insbesondere von 2 bis 3 cm Höhe, im Schrägflächenbereich ( 9 ) und Außenseitenbereich des Schiffsbodens ( 5 ) zur Führung von Luftblasen vorgesehen sind. 8. Ship bow according to one of claims 1 to 7, characterized in that there are longitudinal webs (23) of low height, in particular of 2 to 3 cm height, in the inclined surface area (9) and outer side region of the ship bottom (5) are provided for guiding air bubbles.
EP05796039A 2005-02-01 2005-09-28 Ship bow Not-in-force EP1843938B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05796039T PL1843938T3 (en) 2005-02-01 2005-09-28 Ship bow

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200520001574 DE202005001574U1 (en) 2005-02-01 2005-02-01 Ship's bow end for insertion in ship as module has runners of keel shape with a maximum width towards midships
PCT/EP2005/010496 WO2006081846A1 (en) 2005-02-01 2005-09-28 Ship bow

Publications (2)

Publication Number Publication Date
EP1843938A1 true EP1843938A1 (en) 2007-10-17
EP1843938B1 EP1843938B1 (en) 2010-03-17

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EP05796039A Not-in-force EP1843938B1 (en) 2005-02-01 2005-09-28 Ship bow

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US (1) US7685958B2 (en)
EP (1) EP1843938B1 (en)
JP (1) JP2008528375A (en)
CN (1) CN100537346C (en)
AT (1) ATE461105T1 (en)
BR (1) BRPI0519888A2 (en)
CA (1) CA2592697C (en)
DE (2) DE202005001574U1 (en)
HK (1) HK1112732A1 (en)
PL (1) PL1843938T3 (en)
RU (1) RU2357890C2 (en)
WO (1) WO2006081846A1 (en)

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US10017227B2 (en) * 2016-12-13 2018-07-10 Naviform Consulting & Research Ltd. Minimum wave bow
JP2020132027A (en) * 2019-02-22 2020-08-31 ジャパンマリンユナイテッド株式会社 Bow shape and ship

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Also Published As

Publication number Publication date
PL1843938T3 (en) 2010-08-31
CN100537346C (en) 2009-09-09
DE502005009256D1 (en) 2010-04-29
US7685958B2 (en) 2010-03-30
CA2592697C (en) 2010-12-14
HK1112732A1 (en) 2008-09-12
BRPI0519888A2 (en) 2009-03-31
ATE461105T1 (en) 2010-04-15
EP1843938B1 (en) 2010-03-17
RU2357890C2 (en) 2009-06-10
US20090120347A1 (en) 2009-05-14
RU2007128869A (en) 2009-03-10
CN101111427A (en) 2008-01-23
DE202005001574U1 (en) 2005-03-31
WO2006081846A1 (en) 2006-08-10
JP2008528375A (en) 2008-07-31
CA2592697A1 (en) 2006-08-10

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