EP2948366B1 - Arrangement de propulsion pour bateaux - Google Patents

Arrangement de propulsion pour bateaux Download PDF

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Publication number
EP2948366B1
EP2948366B1 EP13805885.4A EP13805885A EP2948366B1 EP 2948366 B1 EP2948366 B1 EP 2948366B1 EP 13805885 A EP13805885 A EP 13805885A EP 2948366 B1 EP2948366 B1 EP 2948366B1
Authority
EP
European Patent Office
Prior art keywords
bearing
stator
shaft
rotor
ship
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.)
Active
Application number
EP13805885.4A
Other languages
German (de)
English (en)
Other versions
EP2948366A1 (fr
Inventor
Dirk JÜRGENS
David Bendl
Michael Palm
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.)
Voith Patent GmbH
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Voith Patent GmbH
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Publication date
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Publication of EP2948366A1 publication Critical patent/EP2948366A1/fr
Application granted granted Critical
Publication of EP2948366B1 publication Critical patent/EP2948366B1/fr
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Classifications

    • 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
    • B63H5/14—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/32—Other parts
    • B63H23/321—Bearings or seals specially adapted for propeller shafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/32—Other parts
    • B63H23/321—Bearings or seals specially adapted for propeller shafts
    • B63H23/326—Water lubricated bearings
    • 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
    • B63H5/14—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose
    • B63H5/15—Nozzles, e.g. Kort-type

Definitions

  • the invention relates to a ship with a drive.
  • the drive comprises an engine and a propulsion device.
  • the Propulsionsorgan consists of three main components: rotor, stator, nozzle.
  • the nozzle encloses the rotor and the stator, which follows in the flow direction. Due to the delay characteristic of the nozzle in the area of the rotor, the pressure level is raised and thus enables a higher power density while avoiding cavitation.
  • the subsequent connection of the stator leads to a Entdrallung the flow and thus to increase the generated thrust at the same input power.
  • Prime mover is any type of engine into consideration, such as a diesel engine or a gas turbine and an electric motor.
  • the drive is intended for fast ships with a maximum speed in the range of 25 to 40 knots, such as mega-yachts or patrol boats.
  • conventional screw propellers are subject to efficiency losses due to cavitation.
  • Water jets also show low efficiencies in this area, as they have high inlet channel losses.
  • WO 2012/052155 A1 describes a ship with a drive comprising an engine and a Propulsionsorgan consisting of three main components: rotor, stator, nozzle.
  • the nozzle encloses the rotor and the stator, which follows in the flow direction, further comprises a shaft which carries the rotor and is connected to this rotationally and shear-resistant.
  • the nozzle body is divided into a front and a rear nozzle part.
  • the seen in the direction of travel front nozzle part is attached to the hull.
  • the rear nozzle part seen in the direction of travel is releasably attached to the hull.
  • FIG. 1 one recognizes the basic structure of a ship.
  • a prime mover 1 is arranged, which is designed in the present case as a diesel engine with downstream gearbox 1.1.
  • the prime mover 1 can be arranged in the stern area or in the bow area of the ship or in the middle of the ship.
  • a gas turbine or an electric motor can be used as well.
  • Other drives are conceivable.
  • the gear 1.1 is a shaft 2 in drive connection, so that torque from the engine 1 to the shaft 2 is transferable.
  • the shaft 2 may consist of several individual waves which are in driving connection with each other via couplings.
  • braking devices or additional gear or devices for speed and / or torque conversion between these waves can be provided.
  • the predominantly horizontal shaft 2 breaks through the ship's skin and emerges from the hull, so that it runs under water in the rear. In this case, the shaft 2 may already be mounted behind the exit area.
  • Such an additional support is a bearing 3, namely a so-called stern tube bearing 3.
  • the stern tube bearing 3 is firmly connected to the hull.
  • a rotor 5 which is rotatably and shear-resistant connected to the shaft 2.
  • a stator 6 which includes a number of vanes 6.1 and a stator hub 6.2.
  • Rotor 5 and stator 6 are enclosed by a nozzle body 7. This one piece. It is firmly connected to the stator via its guide vanes 6.1.
  • a console 6.3 In the upper region of the nozzle body 7 is a console 6.3. This is on the one hand firmly connected to the nozzle body 7, and on the other hand, it is firmly connected to the stern of the ship and indeed in a detachable manner. See the screws 6.4
  • stator 6 with its guide vanes 6.1, the stator bearing 6.2, the nozzle body 7 and the console 6.3.
  • This unit can be pre-assembled and mounted in the assembled state at the rear.
  • the shaft 2 and the unit can be joined together and separated from each other.
  • This can be realized in that the assembly is fixed, for example, is already mounted at the rear, and that the shaft is displaceable in the direction of its longitudinal axis to the bow.
  • the shaft is slidable, so the assembly can first be mounted at the rear, by mounting the console 6.3.
  • the design according to the invention is particularly advantageous during assembly, since the assembly can be aligned by means of fewer screws 6.4 at the rear. This ensures that all bearing points of the shaft 2 are aligned. If the assembly is positioned, then the gap between console 6.3 and rear can be potted with a hardening liquid. After curing, the remaining screws are clamped and the assembly is mounted and aligned.
  • the shaft 2 is mounted in the region of the drive machine 1 by a thrust bearing 8.
  • FIG. 2 shows the stern of the ship. It can be seen again the shaft 2. Their discharging free end 2.1 is taken from the bearing bush 6.5 of the stator hub 6.2. The outer edges 5.1 of the rotor 5 are located close to the inner surface of the nozzle body 7. The vanes 6.1 are firmly connected to the inner wall of the nozzle body 7.
  • Assembly and disassembly of the rotor can proceed as follows: By moving the shaft 2 in the direction of the bow, the rotor is positioned outside the nozzle. In this position, it is held in the vertical direction. By means of a corresponding device, the rotational and shear-resistant connection of the rotor 5 and shaft 2 is released. The shaft can now be moved further towards the bow and the rotor can be removed in the vertical direction. The assembly is carried out opposite to the described procedure.
  • the stator hub 6.2 has a bearing bush 6.5 made of suitable material. Between the bearing bush 6.5 and the mantled surface of the shaft end 2.4 there is a bearing gap, not shown here.
  • Rotor 5 generates a water flow in a known manner.
  • the water flow which flows over the gap between the rotor 5 and the stator hub 6.2 induces a negative pressure.
  • This negative pressure in turn generates a flow through the bearing gap in the opposite direction (internal flow) in the direction of travel. This achieves perfect lubrication and cooling.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Claims (3)

  1. Bateau, présentant les caractéristiques ou éléments suivants :
    1.1 une coque de bateau, comprenant une proue et une poupe
    1.2 un rotor (5), placé dans la région de la poupe ;
    1.3 un stator (6) associé au rotor (5), comprenant un nombre d'aubes de guidage (6.1) ;
    1.4 un corps de buse (7) en monobloc ;
    1.5 le corps de buse (7) entoure le rotor (5) et le stator (6) ;
    1.6 un groupe propulseur (1) groupe propulseur (1) placé dans la région de la proue ;
    1.7 un arbre (2), destiné à transmettre un couple de rotation du groupe propulseur (1) sur le rotor (5) ;
    1.8 l'arbre (2) est logé dans un coussinet (6.5), qui est placé dans le moyeu de stator (6.2), par ailleurs un palier de butée (8) placé dans la région du groupe propulseur (1) ;
    caractérisé par les caractéristiques suivantes :
    1.9 le stator (6), le moyeu de stator (6.2) et le corps de buse (7) forme un ensemble modulaire unique pouvant être prémonté ;
    1.10 l'ensemble modulaire est montable et démontable indirectement ou directement sur ou de la poupe ;
    1.11 l'arbre (2) est déplaçable par rapport à l'ensemble modulaire, en direction de l'axe longitudinal de l'arbre (2) ;
    1.12 le corps de buse (7) est fixement relié avec une console (6.3) ou en comporte une telle qui est montable et démontable sur ou de la poupe de la coque de bateau.
  2. Bateau selon la revendication 1, caractérisé en ce qu'en tant que palier supplémentaire pour l'arbre (2) est prévu un tube d'étambot (3) qui se trouve entre le palier de stator (6.2) et le palier de butée (9).
  3. Bateau selon l'une quelconque des revendications 1 à 2, caractérisé en ce que le palier de stator (6.2) est un palier lubrifié à l'eau et refroidi par eau, comprenant un coussinet (6.5), qui avec la surface d'enveloppe de l'arbre (2) forme une fente de palier, et pendant le fonctionnement, la fente de palier est traversée par un flux d'eau circulant en direction de la proue.
EP13805885.4A 2013-01-28 2013-12-17 Arrangement de propulsion pour bateaux Active EP2948366B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013001372.0A DE102013001372B4 (de) 2013-01-28 2013-01-28 Montageverfahren für ein Schiffsantrieb
PCT/EP2013/076786 WO2014114410A1 (fr) 2013-01-28 2013-12-17 Système de propulsion pour navires

Publications (2)

Publication Number Publication Date
EP2948366A1 EP2948366A1 (fr) 2015-12-02
EP2948366B1 true EP2948366B1 (fr) 2018-10-24

Family

ID=49766097

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13805885.4A Active EP2948366B1 (fr) 2013-01-28 2013-12-17 Arrangement de propulsion pour bateaux

Country Status (3)

Country Link
EP (1) EP2948366B1 (fr)
DE (1) DE102013001372B4 (fr)
WO (1) WO2014114410A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108929363B (zh) * 2017-05-26 2021-06-25 东莞中山大学研究院 一种抗癌药物羊毛甾醇衍生物的制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3508203A1 (de) * 1985-03-08 1986-09-11 Rudolf Dr. 6800 Mannheim Wieser Schiffsantrieb
EP1878656A1 (fr) * 2006-07-10 2008-01-16 Solas Science & Engineering Co., Ltd. Système de propulsion à haute efficacité d'un bateau
WO2012052155A1 (fr) * 2010-10-19 2012-04-26 Voith Patent Gmbh Bateau comportant un entraînement

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1098390B (de) * 1958-09-26 1961-01-26 Muetzelfeldwerft G M B H Flaechenruder fuer Schraubenschiffe
US3111108A (en) * 1962-05-03 1963-11-19 Bell Aerospace Corp Propulsion unit
GB1131611A (en) * 1964-10-27 1968-10-23 Hydroconic Ltd Improvements in or relating to the steering of vessels fitted with propulsion nozzles
US3336752A (en) * 1965-07-16 1967-08-22 Buehler Corp Jet boat propulsion unit
US3849982A (en) * 1972-04-03 1974-11-26 Hall Marine Corp Marine jet propulsion apparatus
DE69226963T2 (de) * 1992-02-27 1999-11-18 Advadced Marine Propulision In Strahlantriebsvorrichtung für schiffe mit einer schraube in einem tunnel
SE9203847L (sv) * 1992-12-21 1994-01-24 Bofors Underwater Syst Ab Framdrivningsanordning för farkoster i vatten
JPH1170894A (ja) * 1997-08-29 1999-03-16 Kawasaki Heavy Ind Ltd ウォータージェット推進機の軸系構造
US6902452B1 (en) * 2002-11-23 2005-06-07 Richard S. Knight Marine split bearings with right angle removeable grooved retainer covers
DE202009009899U1 (de) * 2009-07-23 2010-12-02 Becker Marine Systems Gmbh & Co. Kg Düsenpropeller für Schiffe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3508203A1 (de) * 1985-03-08 1986-09-11 Rudolf Dr. 6800 Mannheim Wieser Schiffsantrieb
EP1878656A1 (fr) * 2006-07-10 2008-01-16 Solas Science & Engineering Co., Ltd. Système de propulsion à haute efficacité d'un bateau
WO2012052155A1 (fr) * 2010-10-19 2012-04-26 Voith Patent Gmbh Bateau comportant un entraînement

Also Published As

Publication number Publication date
DE102013001372A1 (de) 2014-07-31
EP2948366A1 (fr) 2015-12-02
WO2014114410A1 (fr) 2014-07-31
DE102013001372B4 (de) 2018-02-15

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