EP2398699B1 - Ship drive comprising a drive unit that can be pivoted under water - Google Patents
Ship drive comprising a drive unit that can be pivoted under water Download PDFInfo
- Publication number
- EP2398699B1 EP2398699B1 EP10703867.1A EP10703867A EP2398699B1 EP 2398699 B1 EP2398699 B1 EP 2398699B1 EP 10703867 A EP10703867 A EP 10703867A EP 2398699 B1 EP2398699 B1 EP 2398699B1
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- EP
- European Patent Office
- Prior art keywords
- drive unit
- ship
- lubricating oil
- drive
- wall
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- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 4
- 239000010687 lubricating oil Substances 0.000 claims description 77
- 239000003921 oil Substances 0.000 claims description 20
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 6
- 238000013022 venting Methods 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 229920002457 flexible plastic Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
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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
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
- B63H21/386—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling lubrication liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
- B63H2005/1254—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis
- B63H2005/1256—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis with mechanical power transmission to propellers
Definitions
- the invention relates to a ship propulsion system according to the preamble of patent claim 1.
- a marine propulsion of this type has the advantage that it can be filled and emptied with lubricating oil from within the hull.
- An oil change does not need to be done in a dry dock compared to other ship propulsion systems. Nevertheless, there is a need to further improve this marine propulsion. This concerns in particular constructive measures with regard to the storage of lubricating oil as well as the formation of the lubricating oil leading rooms or lines in the ship propulsion.
- the invention is therefore the object of developing a generic marine propulsion such that in this a simple Zuund leadership of lubricating oil, for example, during a Warbe bendung or an oil change, is possible.
- a simple and mechanically reliable Oil supply and oil storage can be realized, which withstands in particular the loads from ship and drive vibrations permanently.
- a venting possibility should be present in order to allow air to escape from the oil-carrying spaces in a lubricating oil filling.
- the ship's drive should be designed so that the lubricating oil can carry out temperature-induced volume changes without this unintentionally escapes from the ship's propulsion or causes other damage.
- the invention is based on a ship propulsion system with an upper drive unit arranged in the hull and a lower drive unit arranged outside the hull, in which at least the lower drive unit is mounted rotatably or pivotably relative to the hull, wherein an input shaft of the upper drive unit is driven by a drive motor can be driven, in which at least one propeller of a subordinate in the lower drive unit driven shaft is driven, in which a vertically arranged drive shaft via an upper bevel gear with the input shaft of the upper drive unit and a lower angular drive with the output shaft of the lower drive unit is drivingly connected, and in which the upper and the lower drive unit have interconnected lubricating oil channels, wherein the lubricating oil in the upper drive unit can be filled and also discharged through this again.
- at least one lubricating oil passage of the upper drive unit is connected via a flexible conduit with a lubricating oil container, which is arranged in the region of the upper drive unit.
- the at least one lubricating oil container is arranged at a distance from the upper angle gear or its transmission housing.
- the lubricating oil container has an at least partially transparent housing.
- the transparency of the housing also allows the ship's personnel to determine, by reference to the appearance of the lubricating oil, whether there is water in the lubricating oil and how high, if any, its content in the lubricating oil.
- the supply or discharge of the lubricating oil into and out of the ship's propulsion takes place in the region of the upper drive unit, in which at least one closable venting channel for discharging air from the oil-carrying spaces of the ship's propulsion is formed.
- said flexible conduit on the lubricant reservoir is connected to the free end of a lubricating oil passage formed in the wall of the transmission housing of the upper drive unit.
- this lubricating oil passage in the transmission housing is connected at its other end with a lubricating oil passage in the wall of a support structure of the upper drive unit, which leads in the direction of the vertical drive shaft and the lower drive unit.
- the transmission housing and the support structure as will be clarified by means of an embodiment, rigidly connected to each other, so that the support structure carries the gear housing and other components of the upper drive unit.
- this is formed in the wall of the support structure of the upper drive unit.
- a ship propulsion system within the said support structure of the upper drive unit there is arranged a hollow cylindrical hub which is rotatable by an electric motor and fixedly connected to a hollow support fin of the lower drive unit.
- the aforementioned vertical drive shaft which connects the upper drive unit with the lower drive unit drive effective, coaxially received in the hub and in the Tragfinne and stored in these two components via rolling bearings.
- an oil collecting space is formed near the hub near the rotatable Tragfinne relative to the hull, which is fluidly connected via a rotary decoupling with the stationary lubricating oil passage in the wall of the support structure of the upper drive unit.
- the torsional decoupling can be realized by an annular groove which is formed in the outer wall of a turntable connected to the Tragfinne, said annular groove is sealed to the outside by means of sealing means (such as O-rings) and both with the lubricating oil passage in the wall of the support structure of upper drive unit and fluidly connected to the oil collection chamber in the region of the rotatable or pivotable Tragfinne or the turntable.
- sealing means such as O-rings
- the lubricating oil passes along a lubricant path coaxial with the vertical drive shaft within the Tragfinne to the rotatable and to be lubricated components of the underwater arranged lower drive unit of the marine propulsion.
- the ship's propulsion system 1 has an upper drive unit 7a arranged in the hull 39 and a lower drive unit 7b arranged outside the hull of the ship, which are connected to one another.
- the lower drive unit 7b is pivoted relative to the hull 39, so that the ship has a very high maneuverability.
- the upper drive unit 7a has a support structure 31 which is fixedly connected to a housing 8 of an upper angle gear 4.
- the support structure 31 is connected to two side rails 3, which are supported on the ship's hull 39 by means of vibration dampers 5 formed as rubber-metal components and connecting pieces formed as metal plates.
- two electric motors 15a, 15b are fixed, which can drive a hub 25 which is rotatably arranged radially inside the support structure 31.
- This hub 25 is fixedly connected to a Tragfinne 16 of the lower drive unit 7b, so that a rotational movement of the hub 25 leads to a rotational or pivotal movement of the Tragfinne 16.
- the support fin 16 has ah its hub-side end a turntable 20 which is rotatably received in a connected to the hull 39 base structure 2 of the ship's propulsion 1 and sealed against water ingress.
- the ship's propulsion system 1 also has an input shaft 12 arranged inside the hull 39, which can be connected to the output shaft of a drive motor, not shown, via a flange 11 and a clutch.
- the input shaft 12 penetrates the transmission housing 8 and is connected to the upper angle gear 4. This is on the input shaft 12th a ring gear 23 attached, which is in tame engagement with a gear 24.
- This gear 24 is fixed to a drive shaft 21, which extends substantially vertically to the hull 39 and coaxially penetrates the gear housing 8, the support structure 31 and the Tragfinne 16.
- the vertical output shaft 21 is formed in several parts in the illustrated embodiment, wherein the axial portions are rotatably connected to each other.
- the drive shaft 21 is mounted at its upper end in the transmission housing 8 in a double-row upper roller bearing 22, which has inclined cylindrical rollers.
- the housing 9 of this roller bearing 22 is inserted from above into a central opening in the gear housing 8 and screwed there with this.
- a cover 10 closes the top of the rolling bearing 22 to the outside.
- FIG. 2 An in Fig. 2 shown central roller bearing 26 for supporting the vertical drive shaft 21 in the region of the upper drive unit 7a is disposed at the lower end of a hollow cylindrical bore of the hub 25, while a lower roller bearing 27 is arranged for the drive shaft 21 at the upper end of a hollow cylindrical bore 34 in the Tragfinne 16 ,
- Fig. 1 shows, the underwater drive, so the lower drive unit 7b, a lower drive housing 17, which is aligned substantially parallel to the water surface.
- This drive housing 17 is connected to the Tragfinne 16 and carries two counter-rotating propeller 18 and 18.
- dashed lines and the vertical drive shaft 21 is shown, which is drivingly connected in the region of the lower drive housing 17 with a shown only schematically lower bevel gear 36.
- the lower angle gear 36 drive a likewise dashed drive shaft 37, which drives the two counter-rotating propeller 18, 19 via a not shown gear with a step to reverse the direction of rotation.
- the ship's propulsion system 1 has two lubricant reservoirs 13a and 13b, each with a screwable cover 14a, 14b, which allow a refilling of fresh lubricating oil in the lubricant reservoirs 13a, 13b.
- the lubricating oil containers 13a, 13b are taken captively with their respective lower part in pot-shaped sections of angular brackets 35. This made of a sheet metal brackets 35 are attached with their angled portions on each one of the two side rails 3 of the ship's propulsion system 1, that is not directly connected to the transmission housing 8 or the support structure 31.
- the two lubricating oil reservoirs 13a, 13b are each connected via a flexible line 28a, 28b to the respective upwardly projecting free end of lubricating oil channels 38a, 38b in the transmission housing 8 of the upper drive unit 7a in a vibration-decoupled manner .
- the flexible line 28a, 28b may be formed as a wire mesh reinforced, flexible plastic lines or as transparent, flexible plastic lines.
- lubricating oil channels 29a, 29b are formed in the outer wall of the support structure 31 of the upper drive unit 7a, which after a short vertical path each open into lubricating oil channels 30a, 30b, which downwards towards the lower drive unit 7b and radially inward lead.
- oblique lubricating oil channels 30a, 30b branches off each one closes by means of a screw plug or a plug venting channel 32a, 32b, by means of which in a lubricating oil filling air from the oil-bearing spaces of the ship's propulsion 1 can escape to the outside into the atmosphere.
- These ventilation channels 32a, 32b can also be used to convey lubricated oil worn out during an oil change out of the ship propulsion system 1 by means of a scavenging process.
- the lower ends of the lubricating oil passages 30a and 30b open into a radially outer annular groove 40 which is formed in a hub-like outer wall of the turntable 20 of the lower drive unit 7b, which (40) a rotational decoupling of the lubricating oil system between the non-rotatable members 8, 31 of the upper drive unit 8a and the rotatable or pivotable components 16, 17, 18, 19, 20 of the lower drive unit 7b.
- the lubricating oil passes through the outer wall of the turntable 20 in a radially inwardly formed oil collecting space 33, from which the lubricating oil leads substantially vertically down into the lubricating oil passage 34 in the Tragfinne 16.
- the lubricating oil is used for lubrication of the lower, three-row cylindrical roller bearing 27, which supports the output shaft 21 in the upper portion of the support fin 16.
- the oil collecting space 33 takes, as the directional arrows in Fig. 2 Also show lubricating oil, which runs down from the upper roller bearing 22 and the upper angle gear 4.
- the remaining directional arrows in the area of the lubricating oil passages and the venting passages also illustrate the paths that the lubricating oil or air can take in a filling process or an emptying process. Accordingly, the lubricating oil passes after passing the lower, three-row cylindrical roller bearing 27 in the lubricating oil passage 34 of the support fin 16 further vertically down into the lower drive housing 17 and the second angle gear 36. From there, the lubricating oil flows through other bearings for supporting the output shaft 37 the transmission, not shown, with the direction of rotation reversal stage and the rolling bearings of the two counter-rotating propeller 18 and 19th
- the lubricating oil guide is preferably designed such that a constant circulation of the lubricating oil in the described lubricating oil system of the marine propulsion 1 takes place.
- a lubricating oil pump is provided, by means of which the lubricating oil can be conveyed to the upper angle gear 4, to the upper roller bearing 22 and to the bearing points of the rotary or rotary drive for the lower drive unit 7b. This lubricating oil pump also allows easy replacement of old with new lubricating oil.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- General Details Of Gearings (AREA)
- Gear Transmission (AREA)
Description
Die Erfindung betrifft einen Schiffsantrieb gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a ship propulsion system according to the preamble of patent claim 1.
Aus der gattungsbildenden
Ein Schiffantrieb dieser Bauart ist mit dem Vorteil verbunden, dass sein Befüllen und Entleeren mit Schmieröl von innerhalb des Schiffsrumpfes möglich ist. Ein Ölwechsel braucht gegenüber anderen Schiffsantrieben daher nicht mehr aufwendig in einem Trockendock erfolgen. Dennoch besteht ein Bedarf, diesen Schiffsantrieb weiter zu verbessern. Dies betrifft insbesondere konstruktive Maßnahmen im Hinblick auf die Schmierölbevorratung sowie auf die Ausbildung der das Schmieröl führenden Räume bzw. Leitungen im Schiffsantrieb.A marine propulsion of this type has the advantage that it can be filled and emptied with lubricating oil from within the hull. An oil change does not need to be done in a dry dock compared to other ship propulsion systems. Nevertheless, there is a need to further improve this marine propulsion. This concerns in particular constructive measures with regard to the storage of lubricating oil as well as the formation of the lubricating oil leading rooms or lines in the ship propulsion.
Der Erfindung liegt daher die Aufgabe zugrunde, einen gattungsgemäßen Schiffsantrieb derart weiterzubilden, dass bei diesem eine einfache Zuund Anführung von Schmieröl, beispielsweise bei einer Erstbefüllung oder bei einem Ölwechsel, möglich ist. Zudem soll eine einfache und mechanisch zuverlässige Ölzufuhr sowie Ölbevorratung realisiert werden, die insbesondere den Belastungen aus Schiffs- und Antriebsschwingungen dauerhaft standhält. Weiter soll eine Entlüftungsmöglichkeit vorhanden sein, um bei einer Schmierölbefüllung Luft aus den ölführenden Räumen entweichen lassen zu können. Schließlich soll der Schiffsantrieb so ausgebildet sein, dass das Schmieröl temperaturbedingte Volumenänderungen durchführen kann, ohne dass dieses ungewollt aus dem Schiffsantrieb entweicht oder sonstige Schäden anrichtet.The invention is therefore the object of developing a generic marine propulsion such that in this a simple Zuund leadership of lubricating oil, for example, during a Erstbefüllung or an oil change, is possible. In addition, a simple and mechanically reliable Oil supply and oil storage can be realized, which withstands in particular the loads from ship and drive vibrations permanently. Next, a venting possibility should be present in order to allow air to escape from the oil-carrying spaces in a lubricating oil filling. Finally, the ship's drive should be designed so that the lubricating oil can carry out temperature-induced volume changes without this unintentionally escapes from the ship's propulsion or causes other damage.
Die Lösung zumindest einer dieser Aufgaben ergibt sich aus den Merkmalen des Hauptanspruchs, während vorteilhafte Weiterbildungen und Ausgestaltungen den Unteransprüchen entnehmbar sind.The solution to at least one of these tasks results from the features of the main claim, while advantageous developments and refinements are the dependent claims.
Demnach geht die Erfindung aus von einem Schiffsantrieb mit einer im Schiffsrumpf angeordneten oberen Antriebseinheit und einer außerhalb des Schiffsrumpfes angeordnete unteren Antriebseinheit, bei dem zumindest die untere Antriebseinheit gegenüber dem Schiffsrumpf drehbar bzw. verschwenkbar gelagert ist, bei dem eine Eingangswelle der oberen Antriebseinheit von einem Antriebsmotor antreibbar ist, bei dem wenigstens ein Propeller von einer in der unteren Antriebseinheit abgeordneten Abtriebswelle antreibbar ist, bei dem eine vertikal angeordnete Antriebswelle über ein oberes Winkelgetriebe mit der Eingangswelle der oberen Antriebseinheit sowie über ein unteres Winkelgetriebe mit der Abtriebswelle der unteren Antriebseinheit antriebswirksam verbunden ist, und bei dem die obere und die untere Antriebseinheit miteinander verbundene Schmierölkanäle aufweisen, wobei das Schmieröl in die obere Antriebseinheit einfüllbar und durch diese auch wieder abführbar ist. Außerdem ist vorgesehen, dass zumindest ein Schmierölkanal der oberen Antriebseinheit über eine flexible Leitung mit einem Schmierölbehälter verbunden ist, der im Bereich der oberen Antriebseinheit angeordnet ist.Accordingly, the invention is based on a ship propulsion system with an upper drive unit arranged in the hull and a lower drive unit arranged outside the hull, in which at least the lower drive unit is mounted rotatably or pivotably relative to the hull, wherein an input shaft of the upper drive unit is driven by a drive motor can be driven, in which at least one propeller of a subordinate in the lower drive unit driven shaft is driven, in which a vertically arranged drive shaft via an upper bevel gear with the input shaft of the upper drive unit and a lower angular drive with the output shaft of the lower drive unit is drivingly connected, and in which the upper and the lower drive unit have interconnected lubricating oil channels, wherein the lubricating oil in the upper drive unit can be filled and also discharged through this again. In addition, it is provided that at least one lubricating oil passage of the upper drive unit is connected via a flexible conduit with a lubricating oil container, which is arranged in the region of the upper drive unit.
Gemäß einer weiteren Ausgestaltung ist vorgesehen, dass der zumindest eine Schmierölbehälter mit Abstand von dem oberen Winkelgetriebe bzw. dessen Getriebegehäuse angeordnet ist. Durch diese Maßnahme ist erreicht, dass Schwingungen aus dem Schiffsantrieb nicht direkt zu dem zumindest einen Schmierölbehälter gelangen können.According to a further embodiment, it is provided that the at least one lubricating oil container is arranged at a distance from the upper angle gear or its transmission housing. By this measure is achieved that vibrations from the marine propulsion system can not reach the at least one lubricating oil tank directly.
Um den Schmierölstand in dem zumindest einen Schmierölbehälter jederzeit und einfach feststellen zu können, kann zudem vorgesehen sein, dass der Schmierölbehälter ein zumindest teilweise durchsichtiges Gehäuse aufweist. Die Transparenz des Gehäuses ermöglicht es dem Schiffspersonal anhand des Aussehens des Schmieröls außerdem festzustellen, ob sich Wasser im Schmieröl befindet und wie hoch gegebenenfalls dessen Anteil im Schmieröl ist.In order to be able to determine the lubricating oil level in the at least one lubricating oil container at any time and simply, it can also be provided that the lubricating oil container has an at least partially transparent housing. The transparency of the housing also allows the ship's personnel to determine, by reference to the appearance of the lubricating oil, whether there is water in the lubricating oil and how high, if any, its content in the lubricating oil.
Die Zuführung bzw. Ableitung des Schmieröls in den bzw. aus dem Schiffsantrieb erfolgt im Bereich der oberen Antriebseinheit, in der auch zumindest ein verschließbarer Entlüftungskanal zum Ableiten von Luft aus den ölführenden Räumen des Schiffsantriebs ausgebildet ist.The supply or discharge of the lubricating oil into and out of the ship's propulsion takes place in the region of the upper drive unit, in which at least one closable venting channel for discharging air from the oil-carrying spaces of the ship's propulsion is formed.
Weiter ist es ein Merkmal der Erfindung, dass die erwähnte flexible Leitung an dem Schmiermittelbehälter mit dem freien Ende eines Schmierölkanals verbunden ist, der in der Wand des Getriebegehäuses der oberen Antriebseinheit ausgebildet ist. Bevorzugt ist dieser Schmierölkanal im Getriebegehäuse mit seinem anderen Ende mit einem Schmierölkanal in der Wand einer Tragstruktur der oberen Antriebseinheit verbunden, welcher in Richtung zur vertikalen Anntriebswelle und zur unteren Antriebseinheit führt. Dabei sind das Getriebegehäuse und die Tragstruktur, wie noch anhand eines Ausführungsbeispiels verdeutlicht wird, starr miteinander verbunden, so dass die Tragstruktur das Getriebegehäuse und weitere Bauteile der oberen Antriebseinheit trägt.Further, it is a feature of the invention that said flexible conduit on the lubricant reservoir is connected to the free end of a lubricating oil passage formed in the wall of the transmission housing of the upper drive unit. Preferably, this lubricating oil passage in the transmission housing is connected at its other end with a lubricating oil passage in the wall of a support structure of the upper drive unit, which leads in the direction of the vertical drive shaft and the lower drive unit. Here, the transmission housing and the support structure, as will be clarified by means of an embodiment, rigidly connected to each other, so that the support structure carries the gear housing and other components of the upper drive unit.
Hinsichtlich des verschließbaren Entlüftungskanals kann vorgesehen sein, dass dieser in der Wand der Tragstruktur der oberen Antriebseinheit ausgebildet ist.With regard to the closable ventilation channel, it can be provided that this is formed in the wall of the support structure of the upper drive unit.
Zudem ist es ein Merkmal eines erfindungsgemäßen Schiffsantriebes, dass innerhalb der genannten Tragstruktur der oberen Antriebseinheit eine von einem Elektromotor drehbare, hohlzylindrische Nabe angeordnet ist, die mit einer hohlen Tragfinne der unteren Antriebseinheit fest verbunden ist. Dabei ist die eingangs genannte vertikale Antriebswelle, welche die obere Antriebseinheit mit der unteren Antriebseinheit antriebswirksam verbindet, in der Nabe sowie in der Tragfinne koaxial aufgenommen und in diesen beiden Bauteilen über Wälzlager gelagert.In addition, it is a feature of a ship propulsion system according to the invention that within the said support structure of the upper drive unit there is arranged a hollow cylindrical hub which is rotatable by an electric motor and fixedly connected to a hollow support fin of the lower drive unit. In this case, the aforementioned vertical drive shaft, which connects the upper drive unit with the lower drive unit drive effective, coaxially received in the hub and in the Tragfinne and stored in these two components via rolling bearings.
Weiter ist es von Vorteil, wenn im nabennahen Bereich der gegenüber dem Schiffsrumpf drehbaren Tragfinne ein Ölsammelraum ausgebildet ist, der über eine Drehentkopplung mit dem ortsfesten Schmierölkanal in der Wand der Tragstruktur der oberen Antriebseinheit strömungstechnisch verbunden ist.Further, it is advantageous if an oil collecting space is formed near the hub near the rotatable Tragfinne relative to the hull, which is fluidly connected via a rotary decoupling with the stationary lubricating oil passage in the wall of the support structure of the upper drive unit.
Die Drehentkopplung kann dabei durch eine Ringnut realisiert sein, welche in der Außenwand eines mit der Tragfinne verbundenen Drehtellers ausgebildet ist, wobei diese Ringnut nach außen mittels Dichtmittel (wie O-Ringe) abgedichtet ist und sowohl mit dem Schmierölkanal in der Wand der der Tragstruktur der oberen Antriebseinheit als auch mit dem Ölsammelraum im Bereich der dreh- bzw. schwenkbaren Tragfinne bzw. des Drehtellers strömungstechnisch verbunden ist.The torsional decoupling can be realized by an annular groove which is formed in the outer wall of a turntable connected to the Tragfinne, said annular groove is sealed to the outside by means of sealing means (such as O-rings) and both with the lubricating oil passage in the wall of the support structure of upper drive unit and fluidly connected to the oil collection chamber in the region of the rotatable or pivotable Tragfinne or the turntable.
Von dem Ölsammelraum gelangt das Schmieröl entlang eines Schmiermittelweges koaxial zur vertikalen Antriebswelle innerhalb der Tragfinne zu den drehbaren und zu schmierenden Bauteilen der Unterwasser angeordneten unteren Antriebseinheit des Schiffsantriebs.From the oil collection chamber, the lubricating oil passes along a lubricant path coaxial with the vertical drive shaft within the Tragfinne to the rotatable and to be lubricated components of the underwater arranged lower drive unit of the marine propulsion.
Die Erfindung lässt sich anhand eines Ausführungsbeispiels weiter erläutern. Dazu ist der Beschreibung eine Zeichnung beigefügt. In dieser zeigt
- Fig. 1
- einen Schiffsantrieb mit einer ortsfesten oberen Antriebseinheit und einer dazu schwenkbaren unteren Antriebseinheit in einer perspektivischen Darstellung, und
- Fig. 2
- einen Querschnitt durch den Schiffsantrieb gemäß
Fig.1 .
- Fig. 1
- a marine propulsion with a fixed upper drive unit and a lower pivoting thereto Drive unit in a perspective view, and
- Fig. 2
- a cross section through the marine propulsion according to
Fig.1 ,
Demnach weist der Schiffsantrieb 1 eine im Schiffsrumpf 39 angeordneten oberen Antriebseinheit 7a und eine außerhalb des Schiffsrumpfes angeordnete unteren Antriebseinheit 7b auf, die miteinander verbunden sind. Die untere Antriebseinheit 7b ist gegenüber dem Schiffsrumpf 39 verschwenkbar gelagert, so dass das Schiff eine sehr hohe Manövrierfähigkeit aufweist.Accordingly, the ship's propulsion system 1 has an
Die obere Antriebseinheit 7a verfügt über eine Tragstruktur 31, die mit einem Gehäuse 8 eines oberen Winkelgetriebes 4 fest verbunden ist. Die Tragstruktur 31 ist mit zwei Seitenholmen 3 verbunden, welche über als Gummi-Metall-Bauteile ausgebildete Schwingungsdämpfer 5 und als Metallplatten ausgebildete Verbindungsstücke an dem Schiffsrumpf 39 abgestützt sind.The
Auf der Tragstruktur 31 sind zwei Elektromotoren 15a, 15b befestigt, die eine radial innerhalb der Tragstruktur 31 drehbar angeordnet Nabe 25 antreiben können. Diese Nabe 25 ist mit einer Tragfinne 16 der unteren Antriebseinheit 7b fest verbunden, so dass eine Drehbewegung der Nabe 25 zu einer Dreh- bzw. Schwenkbewegung der Tragfinne 16 führt. Die Tragfinne 16 weist ah ihrem nabenseitigen Ende einen Drehteller 20 auf, der in einer mit dem Schiffsrumpf 39 verbundenen Basisstruktur 2 des Schiffsantriebs 1 drehbar sowie gegen einen Wassereintritt abgedichtet aufgenommen ist.On the
Der Schiffsantrieb 1 weist außerdem eine innerhalb des Schiffsrumpfes 39 angeordnete Eingangswelle 12 auf, die über einen Flansch 11 und eine Kupplung mit der Abtriebswelle eines nicht dargestellten Antriebsmotors verbindbar ist. Die Eingangswelle 12 durchdringt das Getriebegehäuse 8 und ist mit dem oberen Winkelgetriebe 4 verbunden. Dazu ist an der Eingangswelle 12 ein Tellerrad 23 befestigt, welches im Zahmeingriff mit einem Zahnrad 24 ist. Dieses Zahnrad 24 ist an einer Antriebswelle 21 befestigt, welche sich im Wesentlichen vertikal zum Schiffsrumpf 39 erstreckt und koaxial das Getriebegehäuse 8, die Tragstruktur 31 und die Tragfinne 16 durchdringt.The ship's propulsion system 1 also has an
Die vertikale Abtriebswelle 21 ist in dem dargestellten Ausführungsbeispiel mehrteilig ausgebildet, wobei deren axialen Abschnitte drehfest miteinander verbunden sind. Die Antriebswelle 21 ist an ihrem oberen Ende im Getriebegehäuse 8 in einem zweireihigen oberen Wälzlager 22 gelagert, welches schräg gestellte Zylinderrollen aufweist. Das Gehäuse 9 dieses Wälzlager 22 ist von oben in eine zentrale Öffnung im Getriebegehäuse 8 eingesteckt und dort mit diesem verschraubt. Ein Deckel 10 verschließt die Oberseite des Wälzlagers 22 nach außen.The
Ein in
Wie insbesondere
Nachdem der Schiffsantrieb 1 in seiner Gesamtstruktur erläutert wurde, wird nachfolgend auf das System zur Versorgung und Ableitung von Schmieröl der oberen und der unteren Antriebseinheit 7a, 7b eingegangen.After the marine propulsion system 1 has been explained in its overall structure, the system for supplying and discharging lubricating oil of the upper and
Der Schiffsantrieb 1 gemäß dem Ausführungsbeispiel der
Zur Versorgung der oberen und unteren Antriebseinheit 7a, 7b mit Schmieröl sind die beiden Schmierölbehälter 13a, 13b jeweils über eine flexible Leitung 28a, 28b mit dem jeweils nach oben ragenden freien Ende von Schmierölkanälen 38a, 38b in dem Getriebegehäuse 8 der oberen Antriebseinheit 7a schwingungsentkoppelt verbunden. Die flexiblen Leitung 28a, 28b können dabei als mit einem Drahtgeflecht armierte, flexible Kunststoffleitungen oder aber als transparente, flexible Kunststoffleitungen ausgebildet sein.In order to supply the upper and
In dem hier gewählten Ausführungsbeispiel sind in Verlängerung der Schmierölkanäle 38a, 38b im Getriebegehäuse 8 weitere Schmierölkanäle 29a, 29b in der Außenwand der Tragstruktur 31 der oberen Antriebseinheit 7a ausgebildet, die nach einer kurzen vertikalen Wegstrecke jeweils in Schmierölkanäle 30a, 30b münden, welche nach unten in Richtung zur unteren Antriebseinheit 7b und radial nach innen führen. Von den gerade genannten schrägen Schmierölkanälen 30a, 30b zweigt jeweils ein mittels einer Verschlussschraube oder einem Stopfen verschließbarer Entlüftungskanal 32a, 32b ab, mittels denen bei einem Schmieröl-Befüllvorgang Luft aus den ölführenden Räumen des Schiffsantriebs 1 nach außen in die Atmosphäre entweichen kann. Diese Entlüftungskanäle 32a, 32b können auch dazu genutzt werden, um bei einem Ölwechsel verschlissenes Schmieröl mittels eines Spülvorgangs aus dem Schiffsantrieb 1 heraus zu befördern.In the exemplary embodiment selected here, in the extension of the lubricating
Die unteren Enden der Schmierölkanäle 30a und 30b münden in eine radial äußere Ringnut 40, die in einer nabennahen Außenwand des Drehtellers 20 der unteren Antriebseinheit 7b ausgebildet ist, welche (40) eine Drehentkopplung des Schmierölsystems zwischen den drehfesten Bauteilen 8, 31 der oberen Antriebseinheit 8a und den drehbaren bzw. schwenkbaren Bauteilen 16, 17 ,18 ,19, 20 der unteren Antriebseinheit 7b ermöglicht. Von der Ringnut 40 in dem Drehteller 20 gelangt das Schmieröl durch die Außenwand des Drehtellers 20 in einen radial innen ausgebildeten Ölsammelraum 33, von dem aus das Schmieröl im Wesentlichen vertikal nach unten in den Schmierölkanal 34 in der Tragfinne 16 führt. Dort dient das Schmieröl zur Schmierung des unteren, dreireihigen Zylinderrollentagers 27, welches im oberen Abschnitt der Tragfinne 16 die Abtriebswelle 21 lagert. Der Ölsammelraum 33 nimmt, wie die Richtungpfeile in
Die übrigen Richtungspfeile im Bereich der Schmierölkanäle und der Entlüftungskanäle veranschaulichen außerdem die Wege, welche das Schmieröl bzw. Luft bei einem Befüllvorgang oder einem Entleerungsvorgang nehmen kann. Demnach gelangt das Schmieröl nach dem Passieren des unteren, dreireihigen Zylinderrollenlagers 27 in dem Schmierölkanal 34 der Tragfinne 16 weiter vertikal nach unten in das untere Antriebsgehäuse 17 und zu dem zweiten Winkelgetriebe 36. Von dort strömt das Schmieröl über weitere Lagerstellen zur Lagerung der Abtriebswelle 37 zu dem nicht dargestellten Getriebe mit der Drehrichtungsumkehrstufe und die Wälzlager der beiden gegenläufig drehbaren Propeller 18 und 19.The remaining directional arrows in the area of the lubricating oil passages and the venting passages also illustrate the paths that the lubricating oil or air can take in a filling process or an emptying process. Accordingly, the lubricating oil passes after passing the lower, three-row
Die Schmierölführung ist bevorzugt derart ausgebildet, dass ein ständiger Umlauf des Schmieröls im beschriebenen Schmierölsystem des Schiffsantriebes 1 stattfindet. Hierzu ist eine Schmierölpumpe vorhanden, mittels der das Schmieröl auch zu dem oberen Winkelgetriebe 4, zu dem oberen Wälzlager 22 sowie zu den Lagerstellen des Dreh- bzw. Schwenkantriebs für die untere Antriebseinheit 7b förderbar ist. Diese Schmierölpumpe ermöglicht auch den einfachen Austausch von altem gegen neues Schmieröl.The lubricating oil guide is preferably designed such that a constant circulation of the lubricating oil in the described lubricating oil system of the marine propulsion 1 takes place. For this purpose, a lubricating oil pump is provided, by means of which the lubricating oil can be conveyed to the
- 11
- Schiffsantriebmarine propulsion
- 22
- Basisstrukturbase structure
- 33
- Seitenholmside rail
- 44
- Oberes WinkelgetriebeUpper angle gear
- 55
- Schwingungsdämpfervibration
- 66
- Verbindungsstückjoint
- 7a7a
- Obere AntriebseinheitUpper drive unit
- 7b7b
- Untere AntriebseinheitLower drive unit
- 88th
- Getriebegehäuse der oberen AntriebseinheitGear housing of the upper drive unit
- 99
- Lagergehäusebearing housing
- 1010
- Deckel des LagergehäusesCover of the bearing housing
- 1111
- Flanschflange
- 1212
- Einganswelleinput shaft
- 13a13a
- SchmierölbehälterOil container
- 13b13b
- SchmierölbehälterOil container
- 14a14a
- Deckel des SchmierölbehältersLid of the lubricating oil container
- 14b14b
- Deckel des SchmierölbehältersLid of the lubricating oil container
- 15a15a
- Elektromotorelectric motor
- 15b15b
- Elektromotorelectric motor
- 1616
- Tragfinnesupporting Finn
- 1717
- Unteres AntriebsgehäuseLower drive housing
- 1818
- Propellerpropeller
- 1919
- Propellerpropeller
- 2020
- Drehtellerturntable
- 2121
- Antriebswelledrive shaft
- 2222
- Oberes WälzlagerUpper rolling bearing
- 2323
- Tellerradcrown
- 2424
- Zahnradgear
- 2525
- Drehbare NabeRotatable hub
- 2626
- Mittleres WälzlagerMedium rolling bearing
- 2727
- Unteres WälzlagerLower rolling bearing
- 28a28a
- Flexible LeitungFlexible line
- 28b28b
- Flexible LeitungFlexible line
- 29a29a
-
Schmierölkanal in der Tragstruktur 39Lubricating oil channel in the
support structure 39 - 29b29b
-
Schmierölkanal in der Tragstruktur 39Lubricating oil channel in the
support structure 39 - 30a30a
-
Schmierölkanal in der Tragstruktur 39Lubricating oil channel in the
support structure 39 - 30b30b
-
Schmierölkanal in der Tragstruktur 39Lubricating oil channel in the
support structure 39 - 3131
- Tragstruktur für die obere AntriebseinheitSupport structure for the upper drive unit
- 32a32a
-
Entlüftungskanal in der Tragstruktur 39Venting channel in the
support structure 39 - 32b32b
-
Entlüftungskanal in der Tragstruktur 39Venting channel in the
support structure 39 - 3333
- ÖlsammelraumOil collection chamber
- 3434
- Schmierölkanal in der TragfinneOil channel in the tiller
- 3535
- Halterung des ÖlbehältersHolder of the oil container
- 3636
- Unteres WinkelgetriebeLower angular gear
- 3737
- Abtriebswelleoutput shaft
- 38a38a
- Schmierölkanal im GetriebegehäuseLubricating oil channel in the gearbox housing
- 38b38b
- Schmierölkanal im GetriebegehäuseLubricating oil channel in the gearbox housing
- 3939
- Schiffsrumpfhull
- 4040
-
Ringnut am Drehteller 20Ring groove on the
turntable 20
Claims (11)
- Ship drive (1) having an upper drive unit (7a), which is arranged in the ship's hull (39), and having a lower drive unit (7b), which is arranged outside the ship's hull, in which ship drive at least the lower drive unit (7b) is mounted so as to be pivotable relative to the ship's hull (39), in which ship drive an input shaft (12) of the upper drive unit (7a) can be driven by a drive motor, in which ship drive at least one propeller (18, 19) can be driven by an output shaft (37) arranged in the lower drive unit (7b), in which ship drive a vertically arranged drive shaft (21) is connected operatively in terms of drive to the input shaft (12) of the upper drive unit (7a) by way of an upper angular gearing (4) and to the output shaft (37) of the lower drive unit (7b) by way of a lower angular gearing (4), and in which ship drive the upper and the lower drive unit (7a, 7b) have interconnected lubricating oil ducts, wherein the lubricating oil can be introduced into the upper drive unit (7a) and can be discharged again through the same, wherein at least one lubricating oil duct (29a, 29b) of the upper drive unit (7a) is connected via a flexible line (28a, 28b) to a lubricating oil tank (13a, 13b) which is arranged in the region of the upper drive unit (7a).
- Ship drive according to Claim 1, characterized in that the at least one lubricating oil tank (13a, 13b) is arranged with a spacing to the gearing housing (8) of the upper angular gearing (4).
- Ship drive according to Claim 1 or 2, characterized in that the at least one lubricating oil tank (13a, 13b) has an at least partially transparent housing.
- Ship drive according to Claim 3, characterized in that at least one closable ventilation duct (32a, 32b) is formed in the upper drive unit (7a).
- Ship drive according to one of the preceding claims, characterized in that the flexible line (28a, 28b) is connected to the free end of a lubricating oil duct (38a, 38b) which is formed in the wall of the gearing housing (8) of the upper drive unit (7a).
- Ship drive according to Claim 5, characterized in that the lubricating oil duct (38a, 38b) in the gearing housing (8) is connected to a lubricating oil duct (29a, 29b) in a wall of a supporting structure (31) of the upper drive unit (7a), and in that the lubricating oil duct (29a, 29b) in the supporting structure (31) leads in the direction towards the vertical drive shaft (21) and towards the lower drive unit (7b).
- Ship drive according to Claim 6, characterized in that, within the supporting structure (31) of the upper drive unit (7a), there is arranged a hollow cylindrical hub (25) which can be rotated by at least one electric motor (15a, 15b) and which is fixedly connected to a hollow supporting fin (16) of the lower drive unit (7b).
- Ship drive according to Claim 7, characterized in that the vertical drive shaft (21) is received and mounted (26, 27) coaxially in the hub (25) and in the supporting fin (16).
- Ship drive according to one of the preceding claims, characterized in that an oil collecting chamber (33) is formed in that region of the supporting fin (16) which is close to the hub, said supporting fin being rotatable relative to the ship's hull (39), which oil collecting chamber is connected in terms of flow by way of a rotary decoupling means to at least one positionally fixed lubricating oil duct (30a, 30b) in the wall of the supporting structure (31) of the upper drive unit (7a).
- Ship drive according to Claim 9, characterized in that the rotary decoupling means is realized by a ring-shaped groove (40) which is formed on the outer wall of a rotary disc (20) which is connected to the supporting fin (16), wherein the ring-shaped groove (40) is sealed off to the outside and is connected in terms of flow both to the lubricating oil duct (30a, 30b) in the wall of the supporting structure (31) of the upper drive unit (7a) and to the oil collecting chamber (33) in the upper region of the rotatable or pivotable supporting fin (16) or of the rotary disc (20) of the lower drive unit (7b).
- Ship drive according to one of the preceding claims, characterized in that the ventilation duct (32a, 32b) is formed in the wall of the supporting structure (31).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009000995A DE102009000995A1 (en) | 2009-02-18 | 2009-02-18 | Ship propulsion with an underwater swiveling drive unit |
PCT/EP2010/051702 WO2010094615A1 (en) | 2009-02-18 | 2010-02-11 | Ship drive comprising a drive unit that can be pivoted under water |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2398699A1 EP2398699A1 (en) | 2011-12-28 |
EP2398699B1 true EP2398699B1 (en) | 2015-10-21 |
Family
ID=42338460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10703867.1A Active EP2398699B1 (en) | 2009-02-18 | 2010-02-11 | Ship drive comprising a drive unit that can be pivoted under water |
Country Status (7)
Country | Link |
---|---|
US (1) | US8485854B2 (en) |
EP (1) | EP2398699B1 (en) |
JP (1) | JP5634412B2 (en) |
CN (1) | CN102325693B (en) |
AU (1) | AU2010215636B2 (en) |
DE (1) | DE102009000995A1 (en) |
WO (1) | WO2010094615A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102167150A (en) * | 2011-04-09 | 2011-08-31 | 山西防爆电机(集团)有限公司 | Explosion-proof thruster |
FR2985033B1 (en) | 2011-12-23 | 2014-09-19 | Accumulateurs Fixes | METHOD FOR DETERMINING A STATE PARAMETER OF AN ELECTROCHEMICAL ELEMENT BY COMPLEX IMPEDANCE AT RADIO FREQUENCIES |
CN102774487B (en) * | 2012-07-31 | 2016-03-02 | 房克聚 | Combined type dumb bell shaft system driving system |
CN102837815A (en) * | 2012-08-27 | 2012-12-26 | 苏州船用动力***股份有限公司 | Oil thrower structure for transferring lubricating oil for steering oar |
US9187164B2 (en) * | 2013-08-30 | 2015-11-17 | Caterpillar Inc. | Marine pod breakaway connection |
NO2884749T3 (en) * | 2013-09-11 | 2018-06-09 | ||
US9475560B1 (en) | 2015-03-05 | 2016-10-25 | Brunswick Corporation | Outboard motor and midsection assembly for outboard motor |
US10800502B1 (en) | 2018-10-26 | 2020-10-13 | Brunswick Corporation | Outboard motors having steerable lower gearcase |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
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DE73207C (en) | E. KELLER in Charlottenburg, Berlinerstr. 77 | Clamp holder for bills, letters, etc. | ||
US3217688A (en) * | 1963-04-22 | 1965-11-16 | Hydro Drive Corp | Marine outdrive |
US3931783A (en) * | 1973-10-03 | 1976-01-13 | Brunswick Corporation | Oil circulating system for marine propulsion gear case |
JPS521893A (en) * | 1975-06-24 | 1977-01-08 | Ishikawajima Zosen Kakoki Kk | Z type propulsion steering apparatus |
US4872531A (en) * | 1988-02-26 | 1989-10-10 | Brunswick Corporation | Marine stern drive with through-housings lubrication system |
US5284223A (en) * | 1988-11-21 | 1994-02-08 | Unit Saver, Inc. | Apparatus and method for venting and for monitoring oil levels in marine outdrives |
US4948384A (en) * | 1989-05-12 | 1990-08-14 | Outboard Marine Corporation | Marine propulsion device anode arrangement |
US5236380A (en) * | 1990-05-18 | 1993-08-17 | Brunswick Corporation | Apparatus and method for providing oil circulation in a marine propulsion system |
JP3303636B2 (en) * | 1995-12-04 | 2002-07-22 | スズキ株式会社 | Outboard motor |
JP4044671B2 (en) | 1998-04-10 | 2008-02-06 | ヤンマー株式会社 | Inboard / outboard motor drive device |
DE19840084A1 (en) * | 1998-09-03 | 2000-03-09 | Zahnradfabrik Friedrichshafen | Marine gear |
US6478642B1 (en) * | 2000-10-12 | 2002-11-12 | Bombardier Motor Corporation Of America | Oil system with replaceable oil filter for two-cycle engines |
US7117976B2 (en) * | 2003-08-18 | 2006-10-10 | Rowe S Darrell | Lubricating system affixed to a rotary shaft |
JP4353516B2 (en) * | 2003-11-27 | 2009-10-28 | ヤマハ発動機株式会社 | Outboard motor |
JP4469863B2 (en) * | 2007-02-16 | 2010-06-02 | ヤンマー株式会社 | Inboard / outboard motor drive device |
US20110174576A1 (en) * | 2007-05-03 | 2011-07-21 | Ab Volvo Penta | Method for draining fluids from a fluid containing unit of an engine, machine or drive transmision, a draining adapter to be used in the method an engine, machine or drive transmision which is adopted to be drained by the method |
US7850496B1 (en) * | 2008-01-11 | 2010-12-14 | Brunswick Corporation | Lubrication system of a marine propulsion device |
CN100590025C (en) * | 2008-05-21 | 2010-02-17 | 苏州船用机械有限公司 | Design method of large-power rudder oar lubrication system |
-
2009
- 2009-02-18 DE DE102009000995A patent/DE102009000995A1/en not_active Withdrawn
-
2010
- 2010-02-11 AU AU2010215636A patent/AU2010215636B2/en active Active
- 2010-02-11 JP JP2011550527A patent/JP5634412B2/en active Active
- 2010-02-11 WO PCT/EP2010/051702 patent/WO2010094615A1/en active Application Filing
- 2010-02-11 US US13/145,610 patent/US8485854B2/en active Active
- 2010-02-11 EP EP10703867.1A patent/EP2398699B1/en active Active
- 2010-02-11 CN CN201080008345.1A patent/CN102325693B/en active Active
Also Published As
Publication number | Publication date |
---|---|
AU2010215636A1 (en) | 2011-08-04 |
WO2010094615A1 (en) | 2010-08-26 |
US20120028520A1 (en) | 2012-02-02 |
JP2012517940A (en) | 2012-08-09 |
US8485854B2 (en) | 2013-07-16 |
DE102009000995A1 (en) | 2010-08-19 |
EP2398699A1 (en) | 2011-12-28 |
CN102325693B (en) | 2014-11-19 |
AU2010215636B2 (en) | 2014-09-18 |
JP5634412B2 (en) | 2014-12-03 |
CN102325693A (en) | 2012-01-18 |
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