EP2398703B1 - Drive arrangement for an inboard-outboard drive engine of a watercraft - Google Patents

Drive arrangement for an inboard-outboard drive engine of a watercraft Download PDF

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Publication number
EP2398703B1
EP2398703B1 EP10704546.0A EP10704546A EP2398703B1 EP 2398703 B1 EP2398703 B1 EP 2398703B1 EP 10704546 A EP10704546 A EP 10704546A EP 2398703 B1 EP2398703 B1 EP 2398703B1
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EP
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Prior art keywords
drive unit
drive
watercraft
hull
arrangement according
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EP10704546.0A
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German (de)
French (fr)
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EP2398703A2 (en
Inventor
Fernando Gallato
Adone Bertolo
Andrea Tognon
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ZF Friedrichshafen AG
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ZF Friedrichshafen AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/30—Mounting of propulsion plant or unit, e.g. for anti-vibration purposes

Definitions

  • the invention relates to a drive arrangement for an inboard outboard propulsion machine of a watercraft, comprising a drive unit having an upper part, which is arranged in a hull of the watercraft, and a lower part, which protrudes through a sealed opening in the hull into surrounding water a drive train is guided within the drive unit, by means of which at least one screw provided on the lower part can be driven via a motor placed in the region of the upper part.
  • drive concepts are frequently used in which a drive motor of the watercraft is arranged on the inside and is in operative connection with one or more screws via a drive unit in the area of the boat hull.
  • the drive unit is usually passed through an opening in the fuselage or in the rear trough of the boat hull.
  • a drive arrangement for an inboard outboard drive in which a drive unit is provided with an upper part which is arranged in the region of an engine and in a hull of the watercraft, and a lower part is. This lower part protrudes through an opening in the hull into the surrounding water and leads at its end a screw, which provides for rotation of the watercraft propulsion.
  • a drive train through which a rotational movement of the motor by means of shafts and bevel gears on the Screw is transferable.
  • two successive seals are provided to effectively prevent the entry of water through the opening in the fuselage.
  • the upper part of the drive unit is also connected to a remote from the engine end with a one-sided rubber bearing in combination, which initiates tilting movements about the transverse axis in a propulsion of the vessel in the fuselage and damped.
  • the invention encompasses the technical teaching that the upper part of the drive unit is in contact with a support system which is introduced into the drive unit in the longitudinal, transverse and vertical direction when the watercraft is driven and which is supported by a plurality of support units relative to the fuselage.
  • a support system which is introduced into the drive unit in the longitudinal, transverse and vertical direction when the watercraft is driven and which is supported by a plurality of support units relative to the fuselage.
  • the carrier system comprises at least four support units each having at least one support element, wherein the at least four support units are placed evenly around the upper part of the drive unit and connected thereto.
  • each support unit can be adapted to the prevailing loads according to the number of support elements used.
  • the support units are placed in equal parts on both sides of the upper part of the drive unit and are in this case per page in each case via a common support arm with the upper part in connection.
  • the support arms are formed by hollow profiles, each having a rectangular cross section, in detail via a trapezoidal Anformung on the upper Part of the drive unit are attached.
  • the support arms each have Querverrippitch.
  • this can further increase the rigidity of the support arm.
  • each support element is constructed in the manner of a two-sided rubber bearing.
  • vibrations introduced according to the elastomer material used can be optimally damped and movements taken by deformations of the rubber elements. Due to the two-sided effect, this can also be realized in a very space-optimal way.
  • a plate assembly is provided in the opening of the hull, which carries the drive unit, wherein between the plate assembly and the hull a static seal and plate assembly between the drive unit is provided a flexible seal.
  • the lower part of the drive unit with respect to the upper part is rotatable.
  • two screws are provided at the lower part of the drive unit, which rotate in opposite directions when driving the watercraft.
  • Fig.1 is a perspective view of the drive assembly according to the invention in the region of a hull 1 of a watercraft to see.
  • This drive arrangement comprises a drive unit 2, which is composed of an upper part 3 and a lower part 4 and is supported by a plate arrangement 5 in an opening of the fuselage 1.
  • the upper part 3 of the drive unit 2 is arranged in the fuselage 1 and stands in the longitudinal direction on one side via a flange 6, which is only partially visible in this view, with a - not shown here- engine of the vessel in connection.
  • the lower part 4 of the drive unit 2 projects into the water surrounding the watercraft and carries drive hubs 7 and 8 of two screws (also not shown here).
  • a introduced via the flange 6 rotational movement is within the drive unit 2 by means of a, only in the sectional view in Fig.2 Be seen to bevel gear 9 of a guided within the drive unit 2 drive train by means of a vertically extending shaft 10 to the lower part 4 transmitted.
  • this rotational movement of the shaft 10 is converted in a manner known to those skilled in the art then in opposite rotational movements of the two hubs 7 and 8 by means of another bevel gear.
  • the lower part 4 of the drive unit 2 is furthermore selectively rotatable with respect to the upper part 3 and the fuselage 1 in order to control the direction of travel of the watercraft.
  • the upper part 3 of the drive unit 2 is in longitudinal contact on both sides with support arms 11A and 11B, at the ends of which support units 12A- respectively connected to the fuselage 1 are in contact. 12D are provided.
  • These support units 12A-2D in combination with the two support arms 11A and 11B, form a kind of storage bed for the drive unit 2, whereby the reaction forces and moments can be reliably introduced into the fuselage 1.
  • virtually no load is applied to the area around the plate arrangement 5, see above that a static seal 13 between the fuselage 1 and plate assembly 5 and a flexible seal 14, the only in Fig.2 can be seen, between disk assembly 5 and drive unit 2 can be optimally designed with respect to sealing properties.
  • each of the support units 12A-12D each have two support members, each of which is formed as a double-sided rubber bearing 15.
  • This respective rubber bearing 15 communicates at its center with the respective support arm 11A and 11B, respectively, and catches its respective movement by rubber pads 16A and 16B disposed on both sides and sandwiched.
  • the rubber bearing is supported on - not visible here-hull 1.
  • the support arms 11A and 11B each have a rectangular cross-section and have on their outboard sides Querverrippept 17 to increase the rigidity. On the inside, however, they each have a trapezoidal molding 18A and 18B, the course of which, in particular, from the side view in FIG Figure 4 emerges and each form the attachment surfaces for connection to the - not visible here - drive unit 2. In this case, the stiffness of the respective support arm 11A or 11B is improved in this area by the trapezoidal shape.

Description

Die Erfindung betrifft eine Antriebsanordnung für eine Innenbord-Außenbord-Antriebsmaschine eines Wasserfahrzeugs, umfassend eine Antriebseinheit mit einem oberen Teil, weicher in einem Rumpf des Wasserfahrzeuges angeordnet ist, und einem unteren Teil, der durch eine abgedichtete Öffnung im Rumpf in umgebendes Wasser hervorsteht, wobei innerhalb der Antriebseinheit ein Antriebsstrang geführt ist, durch welchen mindestens eine, an dem unteren Teil vorgesehene Schraube über einen, im Bereich des oberen Teils platzierten Motor antreibbar ist.The invention relates to a drive arrangement for an inboard outboard propulsion machine of a watercraft, comprising a drive unit having an upper part, which is arranged in a hull of the watercraft, and a lower part, which protrudes through a sealed opening in the hull into surrounding water a drive train is guided within the drive unit, by means of which at least one screw provided on the lower part can be driven via a motor placed in the region of the upper part.

Bei Wasserfahrzeugen, insbesondere bei motorgetriebenen Sportyachten, finden häufig Antriebskonzepte Anwendung, bei welchen ein Antriebsmotor des Wasserfahrzeuges innenliegend angeordnet ist und über eine Antriebseinheit im Bereich des Bootsrumpfs mit einer oder mehreren Schrauben in Wirkverbindung steht. Zu diesem Zweck ist die Antriebseinheit hierbei üblicherweise durch eine Öffnung im Rumpf oder im hinteren Querbord des Bootsrumpfes hindurchgeführt. Bei derartigen Anordnungen ist es dementsprechend möglich, leistungsstarke Motoren einschließlich alternativer Antriebskonzepte Anwendung finden zu lassen.In the case of water vehicles, in particular motor-powered sports yachts, drive concepts are frequently used in which a drive motor of the watercraft is arranged on the inside and is in operative connection with one or more screws via a drive unit in the area of the boat hull. For this purpose, the drive unit is usually passed through an opening in the fuselage or in the rear trough of the boat hull. In such arrangements, it is accordingly possible to find powerful engines including alternative drive concepts application.

Aus der JP 60 08 10 97 , die als nächstliegender Stand der Technik betrachtet wird, ist eine Antriebsanordnung für einen Innenbord-Außenbord-Antrieb bekannt, bei welcher eine Antriebseinheit mit einem oberen Teil, der im Bereich eines Motors und in einem Rumpf des Wasserfahrzeuges angeordnet ist, und einem unteren Teil vorgesehen ist. Dieser untere Teil ragt dabei durch eine Öffnung im Rumpf in das umgebende Wasser und führt an seinem Ende eine Schraube, welche bei Rotation für einen Vortrieb des Wasserfahrzeuges sorgt. Um diese Rotation hervorzurufen, verläuft im oberen und unteren Teil der Antriebseinheit ein Antriebsstrang, durch welchen eine Drehbewegung des Motors mittels Wellen und Kegelradgetrieben auf die Schraube übertragbar ist. Des Weiteren sind zwei hintereinanderliegende Dichtungen vorgesehen, um den Eintritt von Wasser über die Öffnung im Rumpf wirksam zu verhindern. Der obere Teil der Antriebseinheit steht zudem an einem, dem Motor abgewandten Ende mit einem einseitig wirkenden Gummilager in Verbindung, welches Kippbewegungen um die Querachse bei einem Vortrieb des Wasserfahrzeugs in den Rumpf einleitet und abdämpft.From the JP 60 08 10 97 Known as the closest prior art, a drive arrangement for an inboard outboard drive is known, in which a drive unit is provided with an upper part which is arranged in the region of an engine and in a hull of the watercraft, and a lower part is. This lower part protrudes through an opening in the hull into the surrounding water and leads at its end a screw, which provides for rotation of the watercraft propulsion. To cause this rotation, runs in the upper and lower part of the drive unit, a drive train through which a rotational movement of the motor by means of shafts and bevel gears on the Screw is transferable. Furthermore, two successive seals are provided to effectively prevent the entry of water through the opening in the fuselage. The upper part of the drive unit is also connected to a remote from the engine end with a one-sided rubber bearing in combination, which initiates tilting movements about the transverse axis in a propulsion of the vessel in the fuselage and damped.

Bei dieser Antriebsanordnung des Standes der Technik besteht allerdings der erhebliche Nachteil, dass Reaktionskräfte und -momente in allen anderen Richtungen nicht durch das einseitig wirkende Gummilager aufgenommen werden, sondern durch eine Lagerung des Motors und auch die Dichtungen abgefangen werden müssen. Es treten aber sowohl bei Kurvenfahrt des Wasserfahrzeuges als auch bei dessen Rückwärtsfahrt derartige Kippbewegungen der Antriebseinheit auf. Dies führt dazu, dass die Dichtung zwischen Antriebseinheit und Rumpf steifer ausgeführt werden muss, um die auftretenden Lasten und Vibrationen auf Dauer zerstörungsfrei aufnehmen zu können, was allerdings gleichzeitig in einer Verschlechterung der Dichtungseigenschaften resultiert. Zudem muss auch eine Lagerung des Motors wesentlich robuster ausgeführt werden.In this drive arrangement of the prior art, however, there is the considerable disadvantage that reaction forces and moments in all other directions are not absorbed by the one-sided rubber bearing, but must be intercepted by a bearing of the engine and the seals. However, both during cornering of the vessel and during its reverse travel, such tilting movements of the drive unit occur. As a result, the seal between the drive unit and the fuselage must be made stiffer in order to be able to absorb the occurring loads and vibrations in a non-destructive manner in the long term, which at the same time results in a deterioration of the sealing properties. In addition, a storage of the engine must be made much more robust.

Es ist daher die Aufgabe der vorliegenden Erfindung, eine Antriebsanordnung für eine Innenbord-Außenbord-Antriebsmaschine eines Wasserfahrzeugs zur Verfügung zu stellen, bei weicher die Abdichtung im Bereich des Rumpfs sowie die Lagerung des Antriebsmotors nicht durch, über die Antriebseinheit eingeleitete Reaktionskräfte und -momente beim Antrieb des Wasserfahrzeugs belastet werden.It is therefore an object of the present invention to provide a drive arrangement for an inboard outboard propulsion machine of a watercraft, wherein the softer seal in the region of the fuselage and the bearing of the drive motor are not initiated by the drive unit reaction forces and moments Drive the watercraft are charged.

Diese Aufgabe wird ausgehend vom Oberbegriff des Anspruchs 1 in Verbindung mit dessen kennzeichnenden Merkmalen gelöst. Die darauffolgenden, abhängigen Ansprüche geben jeweils vorteilhafte Weiterbildungen der Erfindung wieder.This object is achieved on the basis of the preamble of claim 1 in conjunction with its characterizing features. The following, dependent claims give each advantageous embodiments of the invention.

Die Erfindung umfasst die technische Lehre, dass der obere Teil der Antriebseinheit mit einem, die in die Antriebseinheit in Längs-, Quer- und Hochrichtung beim Antrieb des Wasserfahrzeugs eingeleiteten Reaktionskräfte und - momente mit mehreren Abstützeinheiten gegenüber dem Rumpf abstützenden Trägersystem in Kontakt steht. Dadurch, dass durch das Trägersystem und dessen Abstützeinheiten sämtliche Reaktionskräfte und -momente direkt aufgenommen und in den Rumpf des Wasserfahrzeuges eingeleitet werden, kann die Dichtung im Bereich der Öffnung des Rumpfs optimal in Bezug auf ihre Abdichtungsfunktion ausgelegt werden. Des Weiteren wird hierdurch auch die Lagerung des Antriebsmotors wesentlich entlastet.The invention encompasses the technical teaching that the upper part of the drive unit is in contact with a support system which is introduced into the drive unit in the longitudinal, transverse and vertical direction when the watercraft is driven and which is supported by a plurality of support units relative to the fuselage. The fact that the reaction system and its support units all reaction forces and moments are directly absorbed and introduced into the hull of the vessel, the seal in the region of the opening of the hull can be optimally designed in terms of their sealing function. Furthermore, this also significantly relieves the bearing of the drive motor.

Gemäß einer Ausführungsform der Erfindung umfasst das Trägersystem zumindest vier Abstützeinheiten mit jeweils mindestens einem Abstützelement, wobei die zumindest vier Abstützeinheiten gleichmäßig um den oberen Teil der Antriebseinheit herum platziert und mit diesem verbunden sind. Mittels der gleichmäßigen Anordnung können die jeweils auftretenden und durch die Antriebseinheit in die Anordnung eingeleiteten Reaktionskräfte und -momente zuverlässig und mit einer geringen Anzahl an Anbindungsstellen aufgenommen werden. Zudem kann jede Abstützeinheit entsprechend der Anzahl an verwendeten Abstützelementen an die vorherrschenden Lasten angepasst werden.According to one embodiment of the invention, the carrier system comprises at least four support units each having at least one support element, wherein the at least four support units are placed evenly around the upper part of the drive unit and connected thereto. By means of the uniform arrangement, the respectively occurring and introduced by the drive unit in the arrangement reaction forces and moments can be recorded reliably and with a small number of tethers. In addition, each support unit can be adapted to the prevailing loads according to the number of support elements used.

In Weiterbildung der Erfindung sind die Abstützeinheiten zu gleichen Teilen beidseitig des oberen Teils der Antriebseinheit platziert und stehen hierbei pro Seite jeweils über einen gemeinsamen Trägerarm mit dem oberen Teil in Verbindung. Durch diese Maßnahme wird eine Art Lagerbett ausgebildet und sämtliche, eingeleiteten Bewegungen und Vibrationen der Antriebseinheit optimal abgefangen.In a further development of the invention, the support units are placed in equal parts on both sides of the upper part of the drive unit and are in this case per page in each case via a common support arm with the upper part in connection. By this measure, a kind of storage bed is formed and all, initiated movements and vibrations of the drive unit optimally intercepted.

Entsprechend einer vorteilhaften Ausführungsform der Erfindung sind die Trägerarme durch Hohlprofile mit jeweils rechteckförmigem Querschnitt gebildet, die im Einzelnen über eine trapezartige Anformung an dem oberen Teil der Antriebseinheit befestigt sind. Mittels einer derartigen Ausgestaltung der Trägerarme wird eine hohe Steifigkeit bei gleichzeitig niedrigem Gewicht erreicht. Durch die trapezartigen Anformungen kann des Weiteren eine robuste und gleichzeitig materialsparende Anbindung an die Antriebseinheit erfolgen.According to an advantageous embodiment of the invention, the support arms are formed by hollow profiles, each having a rectangular cross section, in detail via a trapezoidal Anformung on the upper Part of the drive unit are attached. By means of such a design of the support arms high rigidity is achieved at the same time low weight. Due to the trapezoidal projections further can be done a robust and at the same time material-saving connection to the drive unit.

In Weiterbildung der Erfindung weisen die Trägerarme jeweils Querverrippungen auf. Vorteilhafterweise kann hierdurch die Steifigkeit der Trägerarm weiter gesteigert werden.In a further development of the invention, the support arms each have Querverrippungen. Advantageously, this can further increase the rigidity of the support arm.

Es ist eine Ausgestaltung der vorliegenden Erfindung, dass jedes Abstützelement nach Art eines zweiseitig wirkenden Gummilagers aufgebaut ist. Durch eine derartige Ausgestaltung der Abstützelement können entsprechend des verwendeten Elastomermaterials eingeleitete Vibrationen optimal abgedämpft und Bewegungen durch Verformungen der Gummielemente aufgenommen werden. Durch die zweiseitige Wirkung kann dies zudem sehr bauraumoptimal verwirklicht werden.It is an embodiment of the present invention that each support element is constructed in the manner of a two-sided rubber bearing. By such a configuration of the support element, vibrations introduced according to the elastomer material used can be optimally damped and movements taken by deformations of the rubber elements. Due to the two-sided effect, this can also be realized in a very space-optimal way.

Gemäß einer weiteren, vorteilhaften Ausführungsform der Erfindung ist in der Öffnung des Rumpfs eine Plattenanordnung vorgesehen, welche die Antriebseinheit trägt, wobei zwischen Plattenanordnung und Rumpf eine statische Dichtung und zwischen Plattenanordnung und Antriebseinheit eine flexible Dichtung vorgesehen ist. Dies hat den Vorteil, dass die Antriebseinheit mitsamt flexibler Dichtung und Plattenanordnung als bereits vormontierte Einheit bei einer Montage des Wasserfahrzeuges in die Öffnung des Rumpfs gesetzt werden kann und nur noch die statische Dichtung zwischen Plattenanordnung und Rumpf zu platzierten ist. Dies reduziert den Montageaufwand.According to a further advantageous embodiment of the invention, a plate assembly is provided in the opening of the hull, which carries the drive unit, wherein between the plate assembly and the hull a static seal and plate assembly between the drive unit is provided a flexible seal. This has the advantage that the drive unit together with flexible seal and plate assembly can be set as a pre-assembled unit during assembly of the vessel in the opening of the fuselage and only the static seal between the plate assembly and hull is placed. This reduces the assembly effort.

In Weiterbildung der Erfindung ist der untere Teil der Antriebseinheit bezüglich des oberen Teils verdrehbar. Durch diese Maßnahme kann die Fahrtrichtung des Wasserfahrzeugs, durch eine gezielte Verdrehung des unteren Teils der Antriebseinheit gesteuert werden, was die Manövrierfähigkeit des Wasserfahrzeugs im Vergleich zu einer konventionellen Rudersteuerung steigert.In a further development of the invention, the lower part of the drive unit with respect to the upper part is rotatable. By this measure, the direction of travel of the vessel can be controlled by a targeted rotation of the lower part of the drive unit, which the maneuverability of the Watercraft compared to a conventional rudder control increases.

Gemäß einer weiteren Ausführungsform der Erfindung sind am unteren Teil der Antriebseinheit zwei Schrauben vorgesehen, die beim Antrieb des Wasserfahrzeuges gegensinnig rotieren. Mittels der gegensinnig rotierenden Schrauben können Rotationsverluste eliminiert und Kavitationseinflüsse minimiert werden. Des Weiteren werden keine ungewollten Seitenkräfte erzeugt und durch die vergrößerte Schaufelfläche die Verwendung größerer Gangstufen beim Antrieb ermöglicht.According to a further embodiment of the invention, two screws are provided at the lower part of the drive unit, which rotate in opposite directions when driving the watercraft. By means of the counter-rotating screws rotation losses can be eliminated and cavitation influences are minimized. Furthermore, no unwanted side forces are generated and the larger blade area allows the use of larger gear ratios in the drive.

Weitere, die Erfindung verbessernde Maßnahmen werden nachstehend gemeinsam mit der Beschreibung einer bevorzugten Ausführungsform der Erfindung anhand der Figuren näher dargestellt.Further, measures improving the invention will be described in more detail below together with the description of a preferred embodiment of the invention with reference to FIGS.

Es zeigt:

Fig.1
eine perspektivische Ansicht der erfindungsgemäßen Antriebsanordnung im Bereich eines Rumpfs eines Wasserfahrzeugs;
Fig.2
eine Schnittansicht eines oberen Teils einer Antriebseinheit der erfindungsgemäßen Antriebsanordnung, geschnitten in Querrichtung;
Fig.3
eine perspektivische Ansicht eines Trägersystems mit Abstützeinheiten der erfindungsgemäßen Antriebsanordnung; und
Fig.4
eine Seitenansicht des Trägersystems aus Fig.3.
It shows:
Fig.1
a perspective view of the drive assembly according to the invention in the region of a hull of a watercraft;
Fig.2
a sectional view of an upper part of a drive unit of the drive assembly according to the invention, cut in the transverse direction;
Figure 3
a perspective view of a carrier system with support units of the drive assembly according to the invention; and
Figure 4
a side view of the carrier system Figure 3 ,

In Fig.1 ist eine perspektivische Ansicht der erfindungsgemäßen Antriebsanordnung im Bereich eines Rumpfs 1 eines Wasserfahrzeug zu sehen. Diese Antriebsanordnung umfasst eine Antriebseinheit 2, die sich aus einem oberen Teil 3 sowie einem unteren Teil 4 zusammensetzt und durch eine Plattenanordnung 5 in einer Öffnung des Rumpfs 1 getragen wird. Der obere Teil 3 der Antriebseinheit 2 ist dabei im Rumpf 1 angeordnet und steht in Längsrichtung an einer Seite über einen Flansch 6, welcher in dieser Ansicht nur teilweise zu sehen ist, mit einem - hier nicht dargestellten- Motor des Wasserfahrzeuges in Verbindung. Der untere Teil 4 der Antriebseinheit 2 ragt ausgehend von der Öffnung im Rumpf 1 in das, das Wasserfahrzeug umgebende Wasser hinein und trägt dabei Antriebsnaben 7 und 8 zweier- hier ebenfalls nicht dargestellter - Schrauben. Eine über den Flansch 6 eingeleitete Drehbewegung wird innerhalb der Antriebseinheit 2 mittels eines, nur in der Schnittansicht in Fig.2 zu sehenden Kegelradgetriebes 9 eines, innerhalb der Antriebseinheit 2 geführten Antriebsstranges mittels einer vertikal verlaufenden Welle 10 zum unteren Teil 4 übertragen. Im unteren Teil 4 wird diese Drehbewegung der Welle 10 auf eine dem Fachmann bekannte Art und Weise dann in entgegengesetzte Drehbewegungen der beiden Naben 7 und 8 mittels eines weiteren Kegelradgetriebes umgesetzt. Der untere Teil 4 der Antriebseinheit 2 ist des Weiteren bezüglich des oberen Teils 3 und des Rumpfes 1 gezielt verdrehbar, um die Fahrtrichtung des Wasserfahrzeuges zu steuern.In Fig.1 is a perspective view of the drive assembly according to the invention in the region of a hull 1 of a watercraft to see. This drive arrangement comprises a drive unit 2, which is composed of an upper part 3 and a lower part 4 and is supported by a plate arrangement 5 in an opening of the fuselage 1. The upper part 3 of the drive unit 2 is arranged in the fuselage 1 and stands in the longitudinal direction on one side via a flange 6, which is only partially visible in this view, with a - not shown here- engine of the vessel in connection. Starting from the opening in the hull 1, the lower part 4 of the drive unit 2 projects into the water surrounding the watercraft and carries drive hubs 7 and 8 of two screws (also not shown here). A introduced via the flange 6 rotational movement is within the drive unit 2 by means of a, only in the sectional view in Fig.2 Be seen to bevel gear 9 of a guided within the drive unit 2 drive train by means of a vertically extending shaft 10 to the lower part 4 transmitted. In the lower part 4, this rotational movement of the shaft 10 is converted in a manner known to those skilled in the art then in opposite rotational movements of the two hubs 7 and 8 by means of another bevel gear. The lower part 4 of the drive unit 2 is furthermore selectively rotatable with respect to the upper part 3 and the fuselage 1 in order to control the direction of travel of the watercraft.

Um die, beim Antrieb des Wasserfahrzeugs, auftretenden Reaktionskräfte und -momente abzufangen, steht der obere Teil 3 der Antriebseinheit 2 in Längsrichtung an beiden Seiten mit Trägerarmen 11A und 11B in Kontakt, an deren Enden jeweils mit dem Rumpf 1 in Verbindung stehende Abstützeinheiten 12A-12D vorgesehen sind. Diese Abstützeinheiten 12A-2D bilden in Kombination mit den beiden Trägerarmen 11A und 11B eine Art Lagerbett für die Antriebseinheit 2, wodurch die Reaktionskräfte und -momente zuverlässig in den Rumpf 1 eingeleitet werden können. Durch diese Anordnung erfolgt nahezu keine Lastbeaufschlagung des Bereichs um die Plattenanordnung 5, so dass eine statische Dichtung 13 zwischen Rumpf 1 und Plattenanordnung 5 sowie eine flexible Dichtung 14, die nur in Fig.2 zu erkennen ist, zwischen Plattenanordnung 5 und Antriebseinheit 2 optimal in Bezug auf Dichtungseigenschaften gestaltet werden können.In order to absorb the reaction forces and moments occurring when the watercraft is driven, the upper part 3 of the drive unit 2 is in longitudinal contact on both sides with support arms 11A and 11B, at the ends of which support units 12A- respectively connected to the fuselage 1 are in contact. 12D are provided. These support units 12A-2D, in combination with the two support arms 11A and 11B, form a kind of storage bed for the drive unit 2, whereby the reaction forces and moments can be reliably introduced into the fuselage 1. As a result of this arrangement, virtually no load is applied to the area around the plate arrangement 5, see above that a static seal 13 between the fuselage 1 and plate assembly 5 and a flexible seal 14, the only in Fig.2 can be seen, between disk assembly 5 and drive unit 2 can be optimally designed with respect to sealing properties.

In Fig.3 sind die Trägerarme 11A und 11 B gemeinsam mit den Abstützeinheiten 12A-12D in einer perspektivischen Ansicht als Einzelheiten zu sehen. Wie zu erkennen ist, verfügt jede der Abstützeinheiten 12A-12D jeweils über zwei Abstützelemente, von denen jedes als zweiseitig wirkendes Gummilager 15 ausgebildet ist. Dieses jeweilige Gummilager 15 steht in seiner Mitte mit dem jeweiligen Trägerarm 11A bzw. 11B in Verbindung und fängt dessen jeweilige Bewegung durch beidseitig und sandwichartig angeordnete Gummikissen 16A und 16B ab. Dabei stützt sich das Gummilager am - hier nicht zu sehenden -Rumpf 1 ab.In Figure 3 For example, the support arms 11A and 11B together with the support units 12A-12D are shown in perspective view as details. As can be seen, each of the support units 12A-12D each have two support members, each of which is formed as a double-sided rubber bearing 15. This respective rubber bearing 15 communicates at its center with the respective support arm 11A and 11B, respectively, and catches its respective movement by rubber pads 16A and 16B disposed on both sides and sandwiched. Here, the rubber bearing is supported on - not visible here-hull 1.

Wie des Weiteren aus Fig.3 ersichtlich ist, verfügen die Trägerarme 11A und 11 B jeweils über einen rechteckförmigen Querschnitt und besitzen an ihren nach außen gerichteten Seiten Querverrippungen 17, um die Steifigkeit zu erhöhen. An ihren Innenseiten weisen sie hingegen jeweils eine trapezartige Anformung 18A und 18B auf, deren Verlauf insbesondere aus der Seitenansicht in Fig.4 hervorgeht und die jeweils die Befestigungsflächen zum Verbinden mit der - hier nicht zu sehenden - Antriebseinheit 2 bilden. Dabei wird durch die trapezartige Form die Steifigkeit des jeweiligen Trägerarmes 11A bzw. 11 B in diesem Bereich verbessert.As further out Figure 3 As can be seen, the support arms 11A and 11B each have a rectangular cross-section and have on their outboard sides Querverrippungen 17 to increase the rigidity. On the inside, however, they each have a trapezoidal molding 18A and 18B, the course of which, in particular, from the side view in FIG Figure 4 emerges and each form the attachment surfaces for connection to the - not visible here - drive unit 2. In this case, the stiffness of the respective support arm 11A or 11B is improved in this area by the trapezoidal shape.

Mittels der erfindungsgemäßen Ausgestaltung einer Antriebsanordnung für eine Innenbord-Außenbord-Antriebsmaschine eines Wasserfahrzeugs ist es somit möglich, die zwischen Antriebseinheit 2 und Rumpf 1 liegenden Dichtungen 13 und 14 optimal im Hinblick auf Dichtungseigenschaften zu gestalten und ferner die Lagerungen eines angegliederten Motors zu entlasten. Des Weiteren ist es möglich, auch bei einer Schrägstellung des unteren Teils 4 der Antriebseinheit 2 zur Einleitung einer Kurvenfahrt des Wasserfahrzeugs die hierbei auftretenden und nicht nur in Längsrichtung wirkenden Reaktionskräfte und - momente zuverlässig abzufangen und in den Rumpf 1 einzuleiten. Schließlich werden durch die Anordnung der Abstützeinheiten 12A-12D und einer Gestaltung der hierbei jeweils zugehörigen Abstützelemente als Gummilager 15 auch Vibrationen der Antriebseinheit 2 zuverlässig abgedämpft.By means of the inventive design of a drive arrangement for an inboard outboard drive machine of a watercraft, it is thus possible to optimally arrange the seal 13 and 14 lying between the drive unit 2 and fuselage 1 with respect to sealing properties and also to relieve the bearings of an affiliated engine. Furthermore, it is possible, even with an inclination of the lower part 4 of the drive unit 2 to initiate a cornering of the watercraft reliably intercept the occurring and not only acting in the longitudinal direction reaction forces and - moments and initiate the hull 1. Finally, vibrations of the drive unit 2 are reliably damped by the arrangement of the support units 12A-12D and a design of the respectively associated support elements as a rubber bearing 15.

Bezugszeichenreference numeral

11
Rumpfhull
22
Antriebseinheitdrive unit
33
oberer Teil Antriebseinheitupper part drive unit
44
unterer Teil Antriebseinheitlower part drive unit
55
Plattenanordnungdisk array
66
Flanschflange
77
Antriebsnabedrive hub
88th
Antriebsnabedrive hub
99
Kegelradgetriebebevel gear
1010
Wellewave
11A,11B11A, 11B
Trägerarmesupport arms
12A-12D12A-12D
Abstützeinheitensupport units
1313
statische Dichtungstatic seal
1414
flexible Dichtungflexible seal
1515
GummilagerRubber bearing
16A, 16B16A, 16B
Gummikissenrubber pads
1717
QuerverrippungQuerverrippung
18A, 18B18A, 18B
trapezartige Anformung TrägerarmeTrapezoidal Anformung carrier arms

Claims (7)

  1. Drive arrangement for an inboard-outboard drive engine of a watercraft, comprising a drive unit (2) with an upper part (3) which is arranged in a hull (1) of the watercraft, and with a lower part (4) which protrudes through a sealed opening in the hull (1) into surrounding water, wherein a drive train, by means of which at least one propeller provided on the lower part (4) is drivable via a motor placed in the region of the upper part (3), is guided within the drive unit (2), wherein the upper part (3) is in contact with a support system supporting reaction forces and reaction torques, which are introduced into the drive unit (2) in the longitudinal, transverse and vertical directions during driving of the watercraft, in relation to the hull (1) by a plurality of supporting units (12A-12D), wherein the support system comprises at least four supporting units (12A-12D), each having at least one supporting element, wherein the at least four supporting units (12A-12D) are placed uniformly around the upper part (3) of the drive unit (2) and are connected to said part, characterized in that the plurality of supporting units (12A-12D) are placed in equal parts on both sides of the upper part (3) of the drive unit (2) and are connected here to the upper part (3) via one common support arm (11A, 11B) per side, and wherein the support arms (11A, 11B) are formed by hollow profiles having a rectangular cross section in each case, said hollow profiles each being fastened to the upper part (3) via a trapezium-like formation (18A, 18B).
  2. Drive arrangement according to Claim 1, characterized in that the support arms (11A, 11B) have transverse ribbings (17).
  3. Drive arrangement according to either of Claims 1 and 2, characterized in that each supporting element is constructed in the manner of a bilaterally acting rubber bearing (15).
  4. Drive arrangement according to one of the preceding claims, characterized in that a plate arrangement (5) which supports the drive unit (2) is provided in the opening in the hull (1), wherein a static seal (13) is provided between plate arrangement (5) and hull (1) and a flexible seal (14) is provided between plate arrangement (5) and drive unit (2).
  5. Drive arrangement according to one of the preceding claims, characterized in that the lower part (4) of the drive unit (2) is rotatable with respect to the upper part (3).
  6. Drive arrangement according to one of the preceding claims, characterized in that two propellers which rotate in opposite directions during the driving of the watercraft are provided on the lower part (4) of the drive unit (2).
  7. Motor-operated watercraft, comprising at least one drive arrangement according to one of Claims 1-6.
EP10704546.0A 2009-02-18 2010-02-11 Drive arrangement for an inboard-outboard drive engine of a watercraft Not-in-force EP2398703B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009000996A DE102009000996A1 (en) 2009-02-18 2009-02-18 Drive arrangement for an inboard outboard propulsion machine of a watercraft
PCT/EP2010/051700 WO2010094614A2 (en) 2009-02-18 2010-02-11 Drive arrangement for an inboard-outboard drive engine of a watercraft

Publications (2)

Publication Number Publication Date
EP2398703A2 EP2398703A2 (en) 2011-12-28
EP2398703B1 true EP2398703B1 (en) 2014-04-30

Family

ID=42338461

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10704546.0A Not-in-force EP2398703B1 (en) 2009-02-18 2010-02-11 Drive arrangement for an inboard-outboard drive engine of a watercraft

Country Status (7)

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US (1) US8469755B2 (en)
EP (1) EP2398703B1 (en)
JP (1) JP5651130B2 (en)
CN (1) CN102325696B (en)
AU (1) AU2010215635B2 (en)
DE (1) DE102009000996A1 (en)
WO (1) WO2010094614A2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9114864B2 (en) 2013-08-05 2015-08-25 Caterpillar Inc. Marine pod hull seal assembly
US9187164B2 (en) 2013-08-30 2015-11-17 Caterpillar Inc. Marine pod breakaway connection

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Also Published As

Publication number Publication date
AU2010215635B2 (en) 2014-10-30
CN102325696B (en) 2014-04-23
AU2010215635A1 (en) 2011-08-04
US8469755B2 (en) 2013-06-25
WO2010094614A3 (en) 2010-10-14
US20110294378A1 (en) 2011-12-01
JP2012517939A (en) 2012-08-09
WO2010094614A2 (en) 2010-08-26
CN102325696A (en) 2012-01-18
EP2398703A2 (en) 2011-12-28
DE102009000996A1 (en) 2010-08-19
JP5651130B2 (en) 2015-01-07

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