EP3164329A1 - Pod propulsion system with tractor propeller - Google Patents

Pod propulsion system with tractor propeller

Info

Publication number
EP3164329A1
EP3164329A1 EP15774551.4A EP15774551A EP3164329A1 EP 3164329 A1 EP3164329 A1 EP 3164329A1 EP 15774551 A EP15774551 A EP 15774551A EP 3164329 A1 EP3164329 A1 EP 3164329A1
Authority
EP
European Patent Office
Prior art keywords
stator
propeller
housing
drive
drive according
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
EP15774551.4A
Other languages
German (de)
French (fr)
Other versions
EP3164329B1 (en
Inventor
Thorben Kriews
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP3164329A1 publication Critical patent/EP3164329A1/en
Application granted granted Critical
Publication of EP3164329B1 publication Critical patent/EP3164329B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
    • B63H5/10—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type
    • 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
    • B63H2005/075—Arrangements on vessels of propulsion elements directly acting on water of propellers using non-azimuthing podded propulsor units, i.e. podded units without means for rotation about a vertical axis, e.g. rigidly connected to the hull

Definitions

  • Propulsion pod with a traction propeller The invention relates to a propulsion pod for a ⁇ Swim-inhibiting means with a housing and at least one train ⁇ propeller.
  • the invention further relates to a floating device with such a pod drive.
  • Such gondola drive also called POD drive can occur in principle at any floating installations for use and serves as both a drive as well as "acti ⁇ ves rudder" nacelle actuators may be mechanically -., For example, by a diesel engine - or by an electric motor are driven and are connected via a rotatable shaft with the floating device.
  • the present invention is primarily concerned with the recovery of the swirl energy from the propeller jet
  • the swirl energy from the propeller jet eg the Grimsche stator, hub cap propellers, fins etc.
  • the stator is disposed Grimsche peller (in the direction of travel) behind the product and converts the swirl energy into thrust to zusurbanli ⁇ chen. It is in the area of the propeller jet from a turbine part and in the region outside the propeller of a propeller ⁇ beam portion for generating thrust, and it has these parts. Since the propeller part thus protrudes from the propeller jet, the Grimsche stator has a diameter which is up to about 20% larger than that of the Propel ⁇ lers. In normal driving, it turns at 30% to 40% of the propeller speed and can save up to 10% fuel. In practice, however, it proved to be too susceptible to failure; In addition, for optimum efficiency, the propellers should be designed as large as possible, so that there is usually no room left for an even larger Grimsches stator.
  • EP 0 758 606 A1 also discloses a hub cap propeller in which a hub cap for closing the hub bore at the free end of the propeller hub is configured such that the turbulence generated by the propeller is counteracted.
  • An object of the invention is to provide a gondola drive for a floating device that is improved over the known solutions.
  • a nacelle drive in particular of the aforementioned type, in that the nacelle drive has a stator.
  • the flow behavior can be improved or the flow can be better utilized.
  • the object is further achieved by a floating A ⁇ direction with such a pod drive.
  • the side facing away from the propeller usually has a flange-mounted cap, or consists of this.
  • This cap has in ⁇ example, the functions to direct the flow to seal the housing and / or maintenance access at docking to enable. Since the flow and the swirl at least one Anlagenpropellers be directed to the entire housing of a configuration of the gondola drive at this Geotrou ⁇ se rear (in the direction of travel) end provides a stator as Vorrich- processing prior to the spin recovery. In this arrangement, advantageously propeller and Leitradwelle are separated, whereby the complexity of the storage is reduced. Proble ⁇ matic high relative speeds of a shaft-in-shaft storage (as originally used in Grimschen stator) does not exist here.
  • At least one stator is thus arranged on the side of the housing opposite the at least one traction propeller on a stator shaft, which is supported by at least one bearing. This makes it easy to distance the stator from the tractor propeller.
  • At least one stator is mounted on the side of the housing on which the traction propeller is arranged.
  • said axle is a type of hollow cylinder is particularly advantageous in which the shaft of the Switzerlandpropellers runs.
  • at least one stator is mounted on the housing.
  • the storage can be at the beginning of the housing, in the middle or at the end.
  • the bearing is for example integrated in the housing and / or mounted on this.
  • the diameters of the at least one draft propeller and the at least one stator are at least substantially equal.
  • stator on propeller shaft directly behind the Pro ⁇ peller is the stator, for example, in diameter about 20% larger than the propeller in front of him, so that the propeller part of the stator out of the turbulent flow out- protrudes.
  • a diffuser which is larger than the Propel ⁇ ler is not always possible, as the overall efficiency of the propeller diameter dependent and the overall efficiency should be as large as possible. Therefore, the largest possible propeller is to choose.
  • the diameter of the stator can be adapted to the propeller jet.
  • stator arranged at ⁇ play relative to the housing on the opposite side of the Ceipropellers, the propeller jet at the point where the stator has is due to the large Abstan- of the beam waist and in particular a smaller diameter than the traction propeller.
  • the stator can be used with a correspondingly similar diameter as the drafting propeller.
  • a diameter can be understood which has a size difference of max ⁇ 10%, which means that in one embodiment the nozzle is at most 10% larger than the diameter
  • a stator has a larger diameter than the traction propeller.This is possible, for example, when the low gear to be achieved permits and / or when the distance between the hull and stator is still sufficiently large.
  • At least one stator has a larger diameter than the housing of the nacelle drive and in particular a smaller diameter than the traction ⁇ pitch propeller.
  • the twist can still be exploited sufficiently well.
  • the housing has at least two sections, one of said portions of the at ⁇ least one bearing for the stator shaft. If the section (s) of the POD housing that does not have the bearing for the stator shaft is sealed separately (eg, by a flanged cover), the nozzle section (“stator adapter") may be substantially uninsulated sealants elements, because it is separated spatially and by the tightness from the rest of the POD.
  • At least one of the bearings is water lubricated.
  • a (sea) water-lubricated bearings can be serge used for the stator shaft. This results in a simple lubrication of the bearing, the seawater is cleaned or filtered before lubrication, for example.
  • the housing is designed such that a flow caused by the at least one draft propeller is directed in the direction of the stator shaft and / or in the direction of the stator. Since only two sets of La ⁇ ger (pressure and radial bearing) are usually housed in (in the direction of travel) the rear end except the Leitradwelle, in particular the contour of the rear "hood" can be performed easily with ei ⁇ nem designed for an optimized flow guidance design, by the inflow also in the area of the propeller hub of the stator is guaranteed.
  • At least one flow guide body is arranged on the housing, by means of which a flow caused by the at least one pull propeller is directed in the direction of the stator shaft.
  • a floating device such as a Passa ⁇ yaw ship or a container ship, a frigate or a destroyer may comprise a propulsion pod with at least one routing ⁇ wheel or a plurality of pod drives.
  • has the floating device for example a plurality of pod drives, so a pod propulsion can at least ⁇ least comprise a stator.
  • nacelle drives are described above. In the case of a large number of nacelle drives for a floating device, a drive, in particular a nacelle drive, may have a traction propeller and / or thrust propeller, to which no stator is assigned.
  • FIG. 1 shows a pod drive 1 according to the invention with a housing 2, a traction propeller 3 and a stator 4 on a stator shaft 5, which is supported by two bearings 6, 7 in a section 8 of the housing 2.
  • the electric machine 12 is housed for driving the Switzerlandpropellers 3
  • the shaft is supported by further bearings in the sections 9 and 10.
  • the dashed lines between the traction propeller 3 and the stator 4 represent the jet waist of the propeller jet, through which a stator 4 can be used with a similar diameter as the drafting propeller 3. If the section 9 is sealed off from the stator section 8 separately, then the stator adapter 8 can do without essential sealing elements, since it is separated spatially and by the tightness from the rest of the pod.
  • FIG 2 shows another embodiment of a gondola drive OF INVENTION ⁇ to the invention 1, in which the design of the rear (in the direction of travel) hood 8 is designed for an optimized Strö ⁇ mung management. Since in this module 8 except the shaft 5 only two sets of bearings 6, 7 (pressure and radial bearing) must be accommodated, it is possible without any problems to make the contour of the hood 8 aerodynamically such that an inflow also in the propeller hub is guaranteed. For an explanation of the further reference characters, see the description of FIG. 1.
  • FIG 3 shows a perspective view of the module 9, that the electrical machine contains 12 1.
  • flow guide 11 are attached to the housing 2, which direct the flow along the housing surface in the stator turbine stage.
  • the invention also relates to a nacelle drive for a floating device with a housing and at least one traction propeller and a floating Einrich ⁇ tion with such a nacelle drive.
  • a nacelle drive for a floating device with a housing and at least one traction propeller and a floating Einrich ⁇ tion with such a nacelle drive.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Hydraulic Turbines (AREA)
  • Friction Gearing (AREA)

Abstract

The invention relates to a pod propulsion system (1) for a floating device, having a housing (2) and at least one tractor propeller (3), and to a floating device comprising such a pod propulsion system (1). In order to provide a pod propulsion system which is improved in relation to the known solutions, it is proposed, for example, to arrange at least one guide wheel (4) on a guide wheel shaft (5) mounted by means of at least one bearing on the side of the housing (2) opposite the at least one tractor propeller (3).

Description

Beschreibung description
Gondelantrieb mit Zugpropeller Die Erfindung betrifft einen Gondelantrieb für eine schwim¬ mende Einrichtung mit einem Gehäuse und zumindest einem Zug¬ propeller. Die Erfindung betrifft weiter eine schwimmende Einrichtung mit einem derartigen Gondelantrieb. Ein derartiger Gondelantrieb, auch POD-Antrieb genannt, kann im Prinzip bei beliebigen schwimmenden Einrichtungen zum Einsatz kommen und dient sowohl als Antrieb als auch als „akti¬ ves Ruder". Gondelantriebe können mechanisch - z.B. durch einen Dieselmotor - oder durch einen Elektromotor angetrieben werden und sind über einen drehbaren Schaft mit der schwimmenden Einrichtung verbunden. Wie bei allen Antrieben ist auch bei Gondelantrieben die Frage der Effizienz entscheidend, da sich insbesondere bei großen Schiffen schon eine re¬ lativ geringe Effizienzsteigerung in einer recht deutlichen Kraftstoffeinsparung und damit einer entsprechenden Kostenreduktion bemerkbar macht. Dabei geht es bei der vorliegenden Erfindung vornehmlich um die Rückgewinnung der Drallenergie aus dem Propellerstrahl. Es gibt verschiedene Möglichkeiten, die Drallenergie aus dem Propellerstrahl zurückzugewinnen; z.B. das Grimsche Leitrad, Nabenkappenpropeller, Flossen etc. Propulsion pod with a traction propeller The invention relates to a propulsion pod for a ¬ Swim-inhibiting means with a housing and at least one train ¬ propeller. The invention further relates to a floating device with such a pod drive. Such gondola drive, also called POD drive can occur in principle at any floating installations for use and serves as both a drive as well as "acti ¬ ves rudder" nacelle actuators may be mechanically -., For example, by a diesel engine - or by an electric motor are driven and are connected via a rotatable shaft with the floating device. As the issue of efficiency is crucial for all drives even in gondola drives as it is particularly noticeable on large ships have a re ¬ tively low efficiency increase in a fairly significant fuel savings and thus a corresponding reduction in costs The present invention is primarily concerned with the recovery of the swirl energy from the propeller jet There are various ways of recovering the swirl energy from the propeller jet, eg the Grimsche stator, hub cap propellers, fins etc.
Das Grimsche Leitrad ist (in Fahrtrichtung) hinter dem Pro- peller angeordnet und wandelt die Drallenergie in zusätzli¬ chen Schub um. Es besteht im Bereich des Propellerstrahls aus einem Turbinenteil sowie im Bereich außerhalb des Propeller¬ strahls aus einem Propellerteil für die Schuberzeugung, bzw. weist es diese Teile auf. Da der Propellerteil also aus dem Propellerstrahl herausragt, weist das Grimsche Leitrad einen Durchmesser auf, der bis ca. 20% größer als der des Propel¬ lers ist. Bei Normalfahrt dreht es sich mit 30% bis 40% der Propellerdrehzahl und kann bis zu 10% Kraftstoff einsparen. In der Praxis erwies es sich allerdings als zu störanfällig; zudem sollte für einen optimalen Wirkungsgrad der Propeller so groß wie möglich ausgelegt werden, sodass für ein noch größeres Grimsches Leitrad gewöhnlich kein Raum mehr ist. The stator is disposed Grimsche peller (in the direction of travel) behind the product and converts the swirl energy into thrust to zusätzli ¬ chen. It is in the area of the propeller jet from a turbine part and in the region outside the propeller of a propeller ¬ beam portion for generating thrust, and it has these parts. Since the propeller part thus protrudes from the propeller jet, the Grimsche stator has a diameter which is up to about 20% larger than that of the Propel ¬ lers. In normal driving, it turns at 30% to 40% of the propeller speed and can save up to 10% fuel. In practice, however, it proved to be too susceptible to failure; In addition, for optimum efficiency, the propellers should be designed as large as possible, so that there is usually no room left for an even larger Grimsches stator.
Aus EP 0 758 606 AI ist auch ein Nabenkappenpropeller bekannt, bei dem eine Nabenkappe zum Verschließen der Nabenbohrung am freien Ende der Propellernabe derart ausgestaltet ist, dass den vom Propeller erzeugten Strömungswirbeln entge- gengewirkt wird. EP 0 758 606 A1 also discloses a hub cap propeller in which a hub cap for closing the hub bore at the free end of the propeller hub is configured such that the turbulence generated by the propeller is counteracted.
Auch bekannt ist es, an das Gehäuse von POD-Antrieben Flossen anzubringen, die einen Teil der in der Strömung induzierten Drallenergie in Vortrieb umwandeln sollen. Weist das Schiff jedoch ein stark wechselndes Fahrprofil auf, werden die Flos¬ sen nicht optimal angeströmt und verursachen zum Teil sogar einen zusätzlichen Widerstand. It is also known to attach fins to the housing of POD drives which are intended to convert a portion of the swirl energy induced in the flow into propulsion. However, if the ship has a strongly changing driving profile, the fins are not optimally flown and in some cases even cause additional resistance.
Eine Aufgabe der Erfindung ist es, einen gegenüber den be- kannten Lösungen verbesserten Gondelantrieb für eine schwimmende Einrichtung anzugeben. An object of the invention is to provide a gondola drive for a floating device that is improved over the known solutions.
Diese Aufgabe wird bei einem Gondelantrieb, insbesondere der eingangs genannten Art, dadurch gelöst, dass der Gondelan- trieb ein Leitrad aufweist. So kann das Strömungsverhalten verbessert werden bzw. die Strömung besser ausgenutzt werden. This object is achieved in a nacelle drive, in particular of the aforementioned type, in that the nacelle drive has a stator. Thus, the flow behavior can be improved or the flow can be better utilized.
Die Aufgabe wird weiter gelöst durch eine schwimmende Ein¬ richtung mit einem derartigen Gondelantrieb. The object is further achieved by a floating A ¬ direction with such a pod drive.
Weitere Ausgestaltungen der Erfindung nach Anspruch 1 bzw. Anspruch 12 ergeben sich gemäß der Ansprüche 2 bis 11 und 13. Further embodiments of the invention according to claim 1 or claim 12 will become apparent according to claims 2 to 11 and 13.
Bei einer Einpropellerlösung eines POD-Antriebs weist die dem Propeller abgewandte Seite in der Regel eine angeflanschte Kappe auf, bzw. besteht aus dieser. Diese Kappe hat bei¬ spielsweise die Funktionen, die Strömung zu leiten, das Gehäuse abzudichten und/oder einen Wartungszugang bei Dockung zu ermöglichen. Da die Strömung und der Drall des zumindest einen Zugpropellers um das gesamte Gehäuse gelenkt werden, sieht eine Ausgestaltung des Gondelantriebes an diesem Gehäu¬ se (in Fahrtrichtung) hinteren Ende ein Leitrad als Vorrich- tung zur Drallrückgewinnung vor. Bei dieser Anordnung sind vorteilhaft Propeller- und Leitradwelle voneinander getrennt, wodurch die Komplexität der Lagerung reduziert wird. Proble¬ matische hohe Relativgeschwindigkeiten einer Welle-in-Welle- Lagerung (wie ursprünglich beim Grimschen Leitrad verwendet) gibt es hierbei nicht. In a one-propeller solution of a POD drive, the side facing away from the propeller usually has a flange-mounted cap, or consists of this. This cap has in ¬ example, the functions to direct the flow to seal the housing and / or maintenance access at docking to enable. Since the flow and the swirl at least one Zugpropellers be directed to the entire housing of a configuration of the gondola drive at this Gehäu ¬ se rear (in the direction of travel) end provides a stator as Vorrich- processing prior to the spin recovery. In this arrangement, advantageously propeller and Leitradwelle are separated, whereby the complexity of the storage is reduced. Proble ¬ matic high relative speeds of a shaft-in-shaft storage (as originally used in Grimschen stator) does not exist here.
In einer Ausgestaltung des Gondelantriebes ist also zumindest eine Leitrad an der dem zumindest einen Zugpropeller gegenüberliegenden Seite des Gehäuses an einer Leitradwelle ange- ordnet, die durch zumindest ein Lager gelagert ist. So lässt sich das Leitrad einfach vom Zugpropeller distanzieren. In one embodiment of the nacelle drive, at least one stator is thus arranged on the side of the housing opposite the at least one traction propeller on a stator shaft, which is supported by at least one bearing. This makes it easy to distance the stator from the tractor propeller.
In einer weiteren Ausgestaltung des Gondelantriebes ist zumindest ein Leitrad auf der Seite des Gehäuses gelagert, auf welcher der Zugpropeller angeordnet ist. So kann beispiels¬ weise das Leitrad auf einer starren Achse gelagert werden, wobei die Achse insbesondere eine Art Hohlzylinder ist in welchem die Welle des Zugpropellers verläuft. In einer weiteren Ausgestaltung des Gondelantriebes ist zumindest ein Leitrad am Gehäuse gelagert. Die Lagerung kann am Anfang des Gehäuses sein, in der Mitte oder an dessen Ende. Das Lager ist beispielsweise in das Gehäuse integriert und/oder auf dieses montiert. In a further embodiment of the nacelle drive, at least one stator is mounted on the side of the housing on which the traction propeller is arranged. Thus, for example ¬ as the guide wheel are mounted on a rigid axle, said axle is a type of hollow cylinder is particularly advantageous in which the shaft of the Zugpropellers runs. In a further embodiment of the nacelle drive, at least one stator is mounted on the housing. The storage can be at the beginning of the housing, in the middle or at the end. The bearing is for example integrated in the housing and / or mounted on this.
In einer weiteren Form der Ausgestaltung sind die Durchmesser von dem zumindest einen Zugpropeller und dem zumindest einen Leitrad zumindest im Wesentlichen gleich. Bei einem In a further form of embodiment, the diameters of the at least one draft propeller and the at least one stator are at least substantially equal. At a
Grimschesn Leitrad auf Propellerwelle direkt hinter dem Pro¬ peller ist das Leitrad beispielsweise im Durchmesser ca. 20% größer als der vor ihm liegende Propeller, damit der Propellerteil des Leitrades aus der verwirbelten Strömung heraus- ragt. Ein Leitrad einzusetzen, welches größer als der Propel¬ ler ist, ist jedoch nicht immer möglich, da der Gesamtwirkungsgrad vom Propellerdurchmesser abhängt und der Gesamtwirkungsgrad möglichst groß sein soll. Daher ist der Propeller größtmöglich zu wählen. Der Durchmesser des Leitrades kann dem Propellerstrahl angepasst werden. Ist das Leitrad bei¬ spielsweise bezüglich des Gehäuses an der gegenüberliegenden Seite des Zugpropellers angeordnet, hat der Propellerstrahl an der Stelle wo das Leitrad ist aufgrund des großen Abstan- des und der Strahleinschnürung insbesondere einen geringeren Durchmesser als der Zugpropeller. So kann das Leitrad mit einem entsprechend ähnlichem Durchmesser wie der Zugpropeller verwendet werden. Unter einem ähnlichen Durchmesser wie auch einen im „im Wesentlichen" gleichen Durchmesser kann ein Durchmesser verstanden werden, welcher einen Größenunterschied von max . ±10% aufweist. Die bedeutet, dass in einer Ausgestaltung das Leitrad bezüglich des Durchmessers maximal 10% größer ist als der Zugpropeller. In einer Ausgestaltung des Gondelantriebes weist ein Leitrad einen größeren Durchmesser auf als der Zugpropeller. Dies ist beispielsweise dann möglich, wenn es der zu erzielende Tief¬ gang zulässt und/oder der Abstand zwischen Schiffsrumpf und Leitrad noch ausreichend groß ist. Grimschesn stator on propeller shaft directly behind the Pro ¬ peller is the stator, for example, in diameter about 20% larger than the propeller in front of him, so that the propeller part of the stator out of the turbulent flow out- protrudes. However, use a diffuser, which is larger than the Propel ¬ ler is not always possible, as the overall efficiency of the propeller diameter dependent and the overall efficiency should be as large as possible. Therefore, the largest possible propeller is to choose. The diameter of the stator can be adapted to the propeller jet. Is the stator arranged at ¬ play relative to the housing on the opposite side of the Zugpropellers, the propeller jet at the point where the stator has is due to the large Abstan- of the beam waist and in particular a smaller diameter than the traction propeller. Thus, the stator can be used with a correspondingly similar diameter as the drafting propeller. By a similar diameter as well as an "essentially" equal diameter, a diameter can be understood which has a size difference of max ± 10%, which means that in one embodiment the nozzle is at most 10% larger than the diameter In one embodiment of the nacelle drive, a stator has a larger diameter than the traction propeller.This is possible, for example, when the low gear to be achieved permits and / or when the distance between the hull and stator is still sufficiently large.
In einer Ausgestaltung des Gondelantriebes weist zumindest ein Leitrad einen größeren Durchmesser auf als das Gehäuse des Gondelantriebes und insbesondere einen kleineren Durch¬ messer als der Zugpropeller. Somit kann der Drall noch aus- reichend gut ausgenutzt werden. In one embodiment of the nacelle drive, at least one stator has a larger diameter than the housing of the nacelle drive and in particular a smaller diameter than the traction ¬ pitch propeller. Thus, the twist can still be exploited sufficiently well.
In einer weiteren Ausführungsform weist das Gehäuse zumindest zwei Abschnitte auf, wobei einer dieser Abschnitte das zumin¬ dest eine Lager für die Leitradwelle aufweist. Wenn der Ab- schnitt bzw. die Abschnitte des POD-Gehäuses , die nicht das Lager für die Leitradwelle aufweisen, separat abgedichtet ist/sind (z.B. durch einen angeflanschten Deckel), kann der Leitrad-Abschnitt („Leitrad-Adapter") ohne wesentliche Dicht- elemente auskommen, da er räumlich und von der Dichtigkeit her vom restlichen POD getrennt ist. In a further embodiment, the housing has at least two sections, one of said portions of the at ¬ least one bearing for the stator shaft. If the section (s) of the POD housing that does not have the bearing for the stator shaft is sealed separately (eg, by a flanged cover), the nozzle section ("stator adapter") may be substantially uninsulated sealants elements, because it is separated spatially and by the tightness from the rest of the POD.
In einer weiteren Ausführungsform ist zumindest eines der La- ger wassergeschmiert . Insbesondere, wenn der Leitrad-Ab¬ schnitt vom restlichen POD getrennt ist, kann ein (see-) was- sergeschmiertes Lager für die Leitradwelle verwendet werden. Damit ergibt sich eine einfache Schmierung des Lagers, wobei das Seewasser vor der Schmierung beispielsweise gereinigt bzw. gefiltert wird. In another embodiment, at least one of the bearings is water lubricated. Specifically, when the guide wheel-From ¬ cut from the rest of POD separately, a (sea) water-lubricated bearings can be serge used for the stator shaft. This results in a simple lubrication of the bearing, the seawater is cleaned or filtered before lubrication, for example.
In einer weiteren Ausführungsform ist das Gehäuse derart ausgeführt, dass eine vom zumindest einen Zugpropeller verursachte Strömung in Richtung Leitradwelle und/oder in Richtung Leitrad gelenkt wird. Da im (in Fahrtrichtung) hinteren Ende außer der Leitradwelle üblicherweise lediglich zwei Sätze La¬ ger (Druck- und Radiallagerung) untergebracht sind, kann insbesondere die Kontur der hinteren „Haube" problemlos mit ei¬ nem für eine optimierte Strömungsführung gestalteten Design ausgeführt werden, durch das der Zufluss auch im Bereich der Propellernabe des Leitrades gewährleistet wird. In a further embodiment, the housing is designed such that a flow caused by the at least one draft propeller is directed in the direction of the stator shaft and / or in the direction of the stator. Since only two sets of La ¬ ger (pressure and radial bearing) are usually housed in (in the direction of travel) the rear end except the Leitradwelle, in particular the contour of the rear "hood" can be performed easily with ei ¬ nem designed for an optimized flow guidance design, by the inflow also in the area of the propeller hub of the stator is guaranteed.
In einer weiteren Ausführungsform ist zumindest ein Strömungsleitkörper am Gehäuse angeordnet, mittels dem eine vom zumindest einen Zugpropeller verursachte Strömung in Richtung Leitradwelle gelenkt wird. Durch derartige Strömungsleitkör¬ per kann insbesondere die Wirkung des Schaftes des POD- Antriebs auf die Anströmung des Leitrades minimiert werden. Die Strömungsleitkörper können auch die Strömung entlang der Gehäuseoberfläche in die besonders wirkungsvollen Zonen derIn a further embodiment, at least one flow guide body is arranged on the housing, by means of which a flow caused by the at least one pull propeller is directed in the direction of the stator shaft. By such Strömungsleitkör ¬ per particular, the effect of the shaft of the POD drive can be minimized to the flow of the stator. The flow guide can also flow along the housing surface in the most effective zones of the
Leitradturbinenstufe leiten und damit eine ungleichmäßige Be¬ lastung der Leitradflügel verhindern oder zumindest vermindern . Eine schwimmende Einrichtung wie beispielsweise ein Passa¬ gierschiff oder ein Containerschiff, eine Fregatte oder ein Zerstörer kann einen Gondelantrieb mit zumindest einem Leit¬ rad aufweisen oder eine Vielzahl von Gondelantrieben. Weist die schwimmende Einrichtung beispielsweise eine Vielzahl von Gondelantrieben auf, so kann zumindest ein Gondelantrieb zu¬ mindest ein Leitrad aufweisen. Verschieden Ausführungen von Gondelantrieben sind obig beschrieben. Bei einer Vielzahl von Gondelantrieben für eine schwimmende Einrichtung, kann ein Antrieb, insbesondere ein Gondelantrieb, einen Zugpropeller und/oder Schubpropeller aufweisen, welchem kein Leitrad zugeordnet ist. Guiding Leitradturbinenstufe and thus prevent uneven Be ¬ load the Leitradflügel or at least reduce. A floating device such as a Passa ¬ yaw ship or a container ship, a frigate or a destroyer may comprise a propulsion pod with at least one routing ¬ wheel or a plurality of pod drives. has the floating device, for example a plurality of pod drives, so a pod propulsion can at least ¬ least comprise a stator. Various designs of nacelle drives are described above. In the case of a large number of nacelle drives for a floating device, a drive, in particular a nacelle drive, may have a traction propeller and / or thrust propeller, to which no stator is assigned.
Im Folgenden wird die Erfindung anhand der in den Figuren dargestellten Ausführungsbeispiele näher beschrieben und erläutert. Es zeigen: In the following the invention will be described and explained in more detail with reference to the embodiments illustrated in the figures. Show it:
FIG 1 eine erste Ausführungsform eines erfindungsgemäßen 1 shows a first embodiment of an inventive
Gondelantriebs ,  Gondola drive,
FIG 2 eine zweite Ausführungsform eines erfindungsgemäßen  2 shows a second embodiment of an inventive
Gondelantriebs und  Gondola drive and
FIG 3 Strömungsleitkörper gemäß einer weiteren Ausführungsform eines erfindungsgemäßen Gondelantriebs.  3 flow guide according to another embodiment of a nacelle drive according to the invention.
FIG 1 zeigt einen erfindungsgemäßen Gondelantrieb 1 mit einem Gehäuse 2, einem Zugpropeller 3 und einem Leitrad 4 an einer Leitradwelle 5, die durch zwei Lager 6, 7 in einem Abschnitt 8 des Gehäuses 2 gelagert ist. In einem weiteren Abschnitt 9 des Gehäuses 2 ist die elektrische Maschine 12 zum Antrieb des Zugpropellers 3 untergebracht, dessen Welle durch weitere Lager in den Abschnitten 9 und 10 gelagert ist. Die gestrichelten Linien zwischen dem Zugpropeller 3 und dem Leitrad 4 stellen die Strahleinschnürung des Propellerstrahls dar, durch die ein Leitrad 4 mit einem ähnlichen Durchmesser wie der Zugpropeller 3 verwendet werden kann. Ist der Abschnitt 9 gegenüber dem Leitrad-Abschnitt 8 separat abgedichtet, so kann der Leitrad-Adapter 8 ohne wesentliche Dichtelemente auskommen, da er räumlich und von der Dichtigkeit her vom restlichen Pod getrennt ist. Eine Verwendung ( see- ) wasserge- schmierter Lager 6, 7 ist hier also von Vorteil. FIG 2 zeigt ein weiteres Ausführungsbeispiel eines erfin¬ dungsgemäßen Gondelantriebs 1, bei dem das Design der (in Fahrtrichtung) hinteren Haube 8 für eine optimierte Strö¬ mungsführung ausgelegt ist. Da in diesem Modul 8 außer der Welle 5 nur zwei Sätze Lager 6, 7 (Druck- und Radiallagerung) untergebracht sein müssen, ist es ohne Probleme möglich, die Kontur der Haube 8 strömungsgünstig derart zu gestalten, dass ein Zufluss auch im Bereich der Propellernabe gewährleistet ist. Für eine Erläuterung der weiteren Bezugszeichen siehe Beschreibung zu FIG 1. 1 shows a pod drive 1 according to the invention with a housing 2, a traction propeller 3 and a stator 4 on a stator shaft 5, which is supported by two bearings 6, 7 in a section 8 of the housing 2. In a further section 9 of the housing 2, the electric machine 12 is housed for driving the Zugpropellers 3, the shaft is supported by further bearings in the sections 9 and 10. The dashed lines between the traction propeller 3 and the stator 4 represent the jet waist of the propeller jet, through which a stator 4 can be used with a similar diameter as the drafting propeller 3. If the section 9 is sealed off from the stator section 8 separately, then the stator adapter 8 can do without essential sealing elements, since it is separated spatially and by the tightness from the rest of the pod. A use of (see-) water-lubricated bearings 6, 7 is therefore an advantage here. FIG 2 shows another embodiment of a gondola drive OF INVENTION ¬ to the invention 1, in which the design of the rear (in the direction of travel) hood 8 is designed for an optimized Strö ¬ mung management. Since in this module 8 except the shaft 5 only two sets of bearings 6, 7 (pressure and radial bearing) must be accommodated, it is possible without any problems to make the contour of the hood 8 aerodynamically such that an inflow also in the propeller hub is guaranteed. For an explanation of the further reference characters, see the description of FIG. 1.
FIG 3 zeigt eine perspektivische Ansicht des Moduls 9, dass die elektrische Maschine 12 enthält, für eine weitere Ausfüh¬ rungsform des Gondelantriebs 1. Um die Wirkung des Schaftes auf die Anströmung des Leitrades zu minimieren und/oder die vom Zugpropeller verursachte Strömung weiter in Richtung Leitradwelle zu lenken, sind Strömungsleitkörper 11 am Gehäuse 2 angebracht, die die Strömung entlang der Gehäuseoberfläche in die Leitrad-Turbinenstufe leiten. 3 shows a perspective view of the module 9, that the electrical machine contains 12 1. To minimize the effect of the shaft to the inflow of the stator for another exporting ¬ approximate shape of the gondola drive and / or flow caused by the traction propeller in the direction of To direct the stator shaft, flow guide 11 are attached to the housing 2, which direct the flow along the housing surface in the stator turbine stage.
Zusammenfassend betrifft die Erfindung auch einen Gondelantrieb für eine schwimmende Einrichtung mit einem Gehäuse und zumindest einem Zugpropeller sowie eine schwimmende Einrich¬ tung mit einem derartigen Gondelantrieb. Um einen gegenüber den bekannten Lösungen verbesserten Gondelantrieb anzugeben, wird beispielsweise vorgeschlagen, dass an der dem zumindest einen Zugpropeller gegenüberliegenden Seite des Gehäuses zumindest ein Leitrad an einer Leitradwelle angeordnet ist, die durch zumindest ein Lager gelagert ist. In summary, the invention also relates to a nacelle drive for a floating device with a housing and at least one traction propeller and a floating Einrich ¬ tion with such a nacelle drive. In order to provide a comparison with the known solutions improved nacelle drive, for example, it is proposed that at least one idler wheel is arranged on a Leitradwelle at the at least one Zugpropeller opposite side of the housing, which is supported by at least one bearing.

Claims

Patentansprüche claims
1. Gondelantrieb (1) für eine schwimmende Einrichtung mit ei¬ nem Gehäuse (2) und zumindest einem Zugpropeller (3), d a - d u r c h g e k e n n z e i c h n e t , dass der Gondel¬ antrieb (1) ein Leitrad (4) aufweist. 1. propulsion pod (1) for a floating device with egg ¬ nem housing (2) and at least one tractor propeller (3), since - by in that the gondola drive ¬ (1) a stator (4).
2. Gondelantrieb nach Anspruch 1, wobei das zumindest eine Leitrad (4) an der dem zumindest einen Zugpropeller (3) ge- genüberliegenden Seite des Gehäuses (2) an einer Leitradwelle (5) angeordnet ist, die durch zumindest ein Lager (6, 7) ge¬ lagert ist. 2. The pod drive according to claim 1, wherein the at least one stator (4) on the said at least one traction propeller (3) opposite side of the housing (2) on a Leitradwelle (5) is arranged by at least one bearing (6, 7) is ge ¬ stores.
3. Gondelantrieb nach Anspruch 1 oder 2, wobei das zumindest eine Leitrad (4) auf der Seite des Gehäuses (2) gelagert ist, auf welcher der Zugpropeller (3) angeordnet ist. 3. nacelle drive according to claim 1 or 2, wherein the at least one stator (4) on the side of the housing (2) is mounted, on which the traction propeller (3) is arranged.
4. Gondelantrieb nach einem der vorhergehenden Ansprüche, wobei das zumindest eine Leitrad (4) am Gehäuses (2) gelagert ist. 4. Gondola drive according to one of the preceding claims, wherein the at least one stator (4) on the housing (2) is mounted.
5. Gondelantrieb nach einem der vorhergehenden Ansprüche, wo¬ bei die Durchmesser von dem zumindest einen Zugpropeller (3) und dem zumindest einen Leitrad (4) zumindest im Wesentlichen gleich sind. 5. Gondola drive according to one of the preceding claims, where ¬ at least the diameter of the at least one traction propeller (3) and the at least one stator (4) are at least substantially equal.
6. Gondelantrieb nach einem der vorhergehenden Ansprüche, wo¬ bei zumindest ein Leitrad (4) einen größeren Durchmesser hat als der Zugpropeller (3) . 6. nacelle drive according to one of the preceding claims, where ¬ at least one stator (4) has a larger diameter than the traction propeller (3).
7. Gondelantrieb nach einem der vorhergehenden Ansprüche, wobei zumindest ein Leitrad (4) einen größeren Durchmesser hat als das Gehäuse (2) und insbesondere einen kleineren Durch¬ messer als der Zugpropeller (3) . 7. nacelle drive according to one of the preceding claims, wherein at least one stator (4) has a larger diameter than the housing (2) and in particular a smaller diameter than the traction ¬ meter (3).
8. Gondelantrieb nach einem der vorhergehenden Ansprüche, wo¬ bei das Gehäuse (2) zumindest zwei Abschnitte (8-10) aufweist und wobei einer dieser Abschnitte (8) das zumindest eine La¬ ger (6,7) für die Leitradwelle (5) aufweist. 8. Pylon drive according to one of the preceding claims, where ¬ in the housing (2) has at least two sections (8-10) and wherein one of these sections (8) the at least one La ¬ ger (6,7) for the stator shaft (5).
9. Gondelantrieb nach einem der vorhergehenden Ansprüche, wo- bei zumindest eines der Lager (6, 7) wassergeschmiert ist. 9. nacelle drive according to one of the preceding claims, wherein at least one of the bearings (6, 7) is water lubricated.
10. Gondelantrieb nach einem der vorhergehenden Ansprüche, wobei das Gehäuse (2) derart ausgeführt ist, dass eine vom zumindest einen Zugpropeller (3) verursachte Strömung in Richtung Leitradwelle (5) und/oder in Richtung Leitrad (4) gelenkt wird. 10. Pylon drive according to one of the preceding claims, wherein the housing (2) is designed such that one of the at least one traction propeller (3) caused flow in the direction of the stator shaft (5) and / or in the direction of the stator (4) is directed.
11. Gondelantrieb nach einem der vorhergehenden Ansprüche, wobei zumindest ein Strömungsleitkörper (11) am Gehäuse (2) angeordnet ist, mittels dem eine vom zumindest einen Zugpro¬ peller (3) verursachte Strömung in Richtung Leitradwelle (5) und/oder in Richtung Leitrad (4) gelenkt wird. 11. Gondola drive according to one of the preceding claims, wherein at least one flow guide (11) on the housing (2) is arranged, by means of one of the at least one Zugpro ¬ peller (3) caused flow towards the stator shaft (5) and / or in the direction of the stator (4) is steered.
12. Schwimmende Einrichtung mit einem Gondelantrieb (1) nach einem der vorhergehenden Ansprüche. 12. Floating device with a nacelle drive (1) according to one of the preceding claims.
13. Schwimmende Einrichtung nach Anspruch 12 mit einer Vielzahl von Gondelantrieben, wobei zumindest ein Antrieb der schwimmenden Einrichtung nur einen Zug- und/oder Schubpropel- 1er aufweist. 13. Floating device according to claim 12 with a plurality of gondola drives, wherein at least one drive of the floating device has only one traction and / or thrust propeller 1er.
EP15774551.4A 2014-09-26 2015-09-24 Pod propulsion system with tractor propeller Active EP3164329B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014219614 2014-09-26
PCT/EP2015/071986 WO2016046318A1 (en) 2014-09-26 2015-09-24 Pod propulsion system with tractor propeller

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EP3164329A1 true EP3164329A1 (en) 2017-05-10
EP3164329B1 EP3164329B1 (en) 2018-05-16

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3892872B1 (en) * 2020-04-08 2022-12-28 ABB Oy A propulsion unit
DE102020112017A1 (en) 2020-05-04 2021-11-04 Geomar Helmholtz-Zentrum Für Ozeanforschung Kiel Active stabilizing gimbal deep-sea suspension
DE102020215911A1 (en) 2020-12-15 2022-06-15 Siemens Energy Global GmbH & Co. KG poetry

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
FR1426148A (en) * 1964-08-01 1966-01-28 Further training in boat propulsion systems
DE1556851A1 (en) * 1967-02-01 1970-01-29 Grim Otto Dr Ing Propeller
JPS60169094U (en) * 1984-04-19 1985-11-09 三菱重工業株式会社 Ship with free rotating wheel
JPS60234093A (en) * 1984-05-07 1985-11-20 Nippon Kokan Kk <Nkk> Vessel propulsion apparatus
JPS63112298A (en) * 1986-10-31 1988-05-17 Ishikawajima Harima Heavy Ind Co Ltd Marine propulsive device
EP0758606A1 (en) * 1995-08-16 1997-02-19 Schottel-Werft Josef Becker GmbH &amp; Co KG. Hub cap for ship propellers
EP1013544B1 (en) * 1998-12-21 2004-10-27 Mitsubishi Heavy Industries, Ltd. Azimuth propeller apparatus and ship equipped with the apparatus
JP4301748B2 (en) * 2001-06-29 2009-07-22 三菱重工業株式会社 Ship propulsion device
JP2004106565A (en) * 2002-09-13 2004-04-08 Kawasaki Heavy Ind Ltd Pod propeller
JP2009214650A (en) * 2008-03-10 2009-09-24 Universal Shipbuilding Corp Pod type propulsion unit and vessel

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JP6498283B2 (en) 2019-04-10
EP3164329B1 (en) 2018-05-16
CN106715258A (en) 2017-05-24
WO2016046318A1 (en) 2016-03-31
JP2017528370A (en) 2017-09-28

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