EP2403750B1 - Machine a deplacement non-positif, avec un boitier a etancheite amelioree - Google Patents

Machine a deplacement non-positif, avec un boitier a etancheite amelioree Download PDF

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Publication number
EP2403750B1
EP2403750B1 EP10706611.0A EP10706611A EP2403750B1 EP 2403750 B1 EP2403750 B1 EP 2403750B1 EP 10706611 A EP10706611 A EP 10706611A EP 2403750 B1 EP2403750 B1 EP 2403750B1
Authority
EP
European Patent Office
Prior art keywords
housing
positive displacement
displacement engine
transmission
propeller
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.)
Not-in-force
Application number
EP10706611.0A
Other languages
German (de)
English (en)
Other versions
EP2403750A2 (fr
Inventor
Ernst-Christoph Krackhardt
Dierk SCHRÖDER
Jan Pellinghoff
Michael Wycisk
Robin De Ruiter
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 EP2403750A2 publication Critical patent/EP2403750A2/fr
Application granted granted Critical
Publication of EP2403750B1 publication Critical patent/EP2403750B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B63H5/125—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
    • 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
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
    • 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
    • B63H2005/1258—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis with electric power transmission to propellers, i.e. with integrated electric propeller motors
    • 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
    • B63H2023/327—Sealings specially adapted for propeller shafts or stern tubes

Definitions

  • the invention relates to a turbomachine according to the preamble of patent claim 1;
  • a turbomachine is for example by the EP 1 972 545 A1 known.
  • the EP 1 972 545 A1 is considered to be the closest prior art and discloses a turbomachine that serves as a pod drive for a ship.
  • the turbomachine includes an underwater housing disposed on the hull of the vessel, a propeller disposed outside the housing, and a propeller shaft on which the propeller is seated.
  • the propeller shaft is mounted in the housing.
  • the housing has a passage opening through which the propeller shaft is guided out of the housing.
  • a transmission in the form of a planetary gear is arranged, which is coupled to the propeller shaft and having a transmission housing.
  • a shaft seal seals the passage opening against entry of liquid into the housing.
  • the gear is spaced from the shaft seal.
  • the drive of the propeller shaft or of the propeller via the transmission is effected by a drive motor device, which contains, for example, an electric motor.
  • This electric motor can be arranged inside the housing or outside the housing in the hull.
  • the drive of the propeller shaft or the propeller via a vertical shaft which is guided by the hull into the housing, and arranged between the gear and the vertical shaft crown-bevel gear.
  • the transmission housing is at least partially filled with a transmission fluid and the shaft seal is applied to the transmission housing or is integrated into the transmission housing.
  • the resulting direct thermal contact between the seal and the transmission fluid makes it particularly easy to transfer heat from the seal to the transmission fluid.
  • the heat of the seal can thus be dissipated better than with the air inside the housing when the gear is spaced from the shaft seal. As a result, the thermal load of the seal can be improved and the risk of leaks can be reduced.
  • the transmission can be designed as a single or multi-stage transmission. Furthermore, the transmission can be designed as a mechanical transmission, in particular a planetary gear, wherein it may then be a lubricant in the transmission fluid.
  • the transmission can also be designed as a hydraulic transmission, in particular as a hydrodynamic transmission, whereby the transmission fluid can then be the operating fluid of the transmission.
  • the transmission may be connected to another machine, e.g. an electric machine or an internal combustion engine, be coupled.
  • another machine e.g. an electric machine or an internal combustion engine
  • the transmission is coupled to an electric machine, which is also disposed within the housing of the turbomachine.
  • a hydrodynamically particularly advantageous form of the housing is possible in that the transmission is designed such that during operation of the turbomachine, the rotational speed of the electric machine is greater than the rotational speed of the propeller shaft (eg 4 to 5 times the propeller speed).
  • the transmission is designed such that during operation of the turbomachine, the rotational speed of the electric machine is greater than the rotational speed of the propeller shaft (eg 4 to 5 times the propeller speed).
  • an electric machine can then be used a high-speed machine, which has smaller dimensions than a machine running at the speed of the propeller. This is especially true when using the turbomachine as a drive device for a floating or diving device.
  • the electric machine can be designed as an electric motor that drives the propeller.
  • electrical motors are a variety of electric motors such.
  • Asynchronous or synchronous motors are possible, which may be excited by permanent magnets or a winding system, which may also be implemented in HTS (high temperature superconductor) technology.
  • the electric machine can also be designed as a generator, which is driven by the propeller.
  • At least part of the transmission housing itself already forms part of the housing of the turbomachine. As a result, the weight and the size of the turbomachine can be reduced.
  • this preferably comprises a motor housing for its protection.
  • At least a part of the motor housing may form part of the housing of the turbomachine.
  • the motor housing rests against the gear housing, the motor can be particularly well protected against liquid entering the housing.
  • a turbomachine according to the invention may have on its side facing away from the propeller, a further above-described arrangement of a propeller, a propeller shaft, a shaft seal and a transmission, wherein the propeller shaft or the propeller may be coupled to the same electric machine or to a second electric machine ,
  • the two propellers can rotate in the same direction or even contrarotate, the rotational speeds may be the same or different.
  • two gearboxes and two propellers distribute the mechanical loads on two gearboxes with constant drive power, so that they can be designed smaller.
  • the turbomachine may advantageously be modularly constructed from at least one or two propeller modules, one or two transmission modules and one or two motor modules.
  • the modules can be provided by a modular system comprising gear modules, motor modules and propeller modules of different power classes and characteristics, reduction ratios, rotational speeds, directions of rotation, etc.
  • turbomachine lies in a drive device for a floating or submersing device, such. a ship or an offshore platform, wherein the turbomachine, preferably horizontally and / or vertically rotatable, is attached to a hull of the floating or diving device.
  • turbomachine can be advantageously used as a pump, a fan or a compressor.
  • turbomachine may be used as a turbine, particularly for power generation in a floating or submersible facility, in a fluid or tidal power plant, or in a wind turbine.
  • FIG. 1 shows in a simplified and schematic representation of a partial longitudinal section through a turbomachine 1, which serves as a drive means for a floating or diving equipment such as a ship or an offshore platform and this is rotatably mounted about an axis A on the hull 10 of the floating device.
  • a drive device is often referred to as a rudder propeller or pod drive and usually has a drive power of 0.5 - 10 MW.
  • the turbomachine 1 comprises a hydrodynamically optimized designed underwater housing 2, which is arranged on the hull 10 of the ship, a propeller 3, which is arranged outside of the housing 2, and a propeller shaft 4, on which the propeller 3 is seated.
  • the propeller shaft 4 is rotatably supported by bearings 12 within the housing 2 and led out of the housing 2 via a passage opening 5.
  • a planetary gear 6 is coupled to the propeller shaft 4 and includes a transmission housing 7 which is filled with a transmission fluid 8 in the form of oil or other lubricant.
  • the gear housing 7 forms with its peripheral surface a part of the peripheral surface of the housing 2 of the turbomachine. Both the passage opening 5 and the shaft seal 9 are thus an integral part of the transmission housing. 7
  • a shaft seal 9 seals the passage opening 5 against entry of liquid from outside the housing 2 into an interior of the housing 2.
  • an electric machine in the form of an electric motor 11 for driving the propeller 3, wherein the electric motor 6 is coupled by means of the gear 6 with the propeller shaft 4 and with the propeller 3.
  • the electric motor 11 includes a motor housing 13, wherein the peripheral surface of this housing 13 forms a part of the peripheral surface of the housing 2 of the turbomachine 1.
  • the gear housing 7 rests on the motor housing 13, so that the electric motor 11 is well protected against a through the passage opening 5 into the interior of the housing 2 entering liquid.
  • the electric motor 11 is designed as a high-speed machine, wherein the planetary gear 6 is designed so that during operation of the turbomachine 1, the rotational speed of the electric machine 11 is greater than the rotational speed of the propeller shaft 4 (for example 4 to 5 times the propeller speed).
  • a cooling of the electric motor 11 takes place at least for the most part by a heat transfer through the housing 2 of the turbomachine 1 to the seawater outside the turbomachine 1.
  • the electric motor 11 and the gear 6 are encapsulated and thus particularly well protected against external influences.
  • FIG. 2 shows the turbomachine 1 of FIG. 1 but with no electric motor inside the housing 2.
  • the propeller shaft 3 is coupled via the gear 6 with a vertical shaft 21 (L-arrangement), which is coupled to an electric motor not shown in detail, which is arranged in the interior of the hull 10.
  • a crown-bevel gear 22 is arranged for transmitting power between the propeller shaft 4 and the vertical shaft 21 in the drive train between the planetary gear 6 and the vertical shaft 21.
  • FIG. 3 shows the turbomachine 1 of FIG. 1 with a built-in the housing 2 and applied to the transmission housing 7 shaft seal 9 instead of a built-in gear housing 7 shaft seal.
  • the gear housing 7 here preferably consists of a particularly thermally conductive material.
  • the turbomachines 1 of 1 - 3 can each have another above-described arrangement of a propeller, a propeller shaft, a shaft seal and a gear on its side facing away from the propeller 3, wherein the propeller shaft or the propeller can be coupled to the same electric machine 11 or to a second electric machine ,
  • the two propellers can rotate in the same direction or even contrarotate, the rotational speeds may be the same or different.
  • the turbomachines 1 of 1 - 3 are modularly constructed from a pressure propeller module 23, a transmission module 24, a motor module 25 and an end cap module 26.
  • the modules 23-26 are components of a modular system, includes gear modules, motor modules and propeller modules of different power classes and characteristics, reduction ratios, rotational speeds, directions of rotation, etc.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Sealing Devices (AREA)

Claims (13)

  1. Turbomachine ( 1 ) comprenant
    - un carter ( 2 ),
    - au moins une hélice ( 3 ) à l'extérieur du carter ( 2 ),
    - un arbre ( 4 ) d'hélice, qui est couplé à l'hélice ( 3 ), l'arbre ( 4 ) d'hélice étant monté à l'intérieur du carter ( 2 ) et sortant du carter ( 2 ) par une ouverture ( 5 ) de passage,
    - une transmission ( 6 ), qui est couplée à l'arbre ( 4 ) d'hélice, la transmission ( 6 ) étant disposée à l'intérieur du carter ( 2 ) et comprenant un carter ( 7 ) de transmission,
    - une étanchéité ( 9 ) d'arbre, qui rend étanche l'ouverture ( 5 ) de passage vis-à-vis d'une pénétration de liquide dans le carter ( 2 ),
    caractérisée en ce que le carter ( 7 ) de transmission est empli, au moins en partie, d'un liquide ( 8 ) de transmission et en ce que l'étanchéité ( 9 ) d'arbre s'applique au carter ( 7 ) de transmission ou est intégrée au carter ( 7 ) de transmission.
  2. Turbomachine ( 1 ) suivant la revendication 1,
    caractérisée en ce que la transmission ( 6 ) est constituée sous la forme d'un engrenage planétaire.
  3. Turbomachine ( 1 ) suivant la revendication 1 ou 2,
    caractérisée en ce que la transmission ( 6 ) est couplée à une machine ( 11 ) électrique.
  4. Turbomachine ( 1 ) suivant la revendication 3,
    caractérisée en ce que la machine ( 11 ) électrique est disposée à l'intérieur du carter ( 2 ).
  5. Turbomachine ( 1 ) suivant la revendication 3 ou 4,
    caractérisée en ce que la transmission ( 6 ) est constituée de manière à ce que, lorsque la turbomachine ( 1 ) fonctionne, la vitesse de rotation de la machine ( 11 ) électrique est plus grande que la vitesse de rotation de l'arbre ( 4 ) d'hélice.
  6. Turbomachine ( 1 ) suivant l'une des revendications précédentes,
    caractérisée en ce qu'au moins une partie du carter ( 7 ) de transmission forme une partie du carter ( 2 ) de la turbomachine ( 1 ).
  7. Turbomachine ( 1 ) suivant l'une des revendications 3 à 6,
    caractérisée en ce que la machine ( 11 ) électrique comprend un carter ( 13 ) de machine, au moins une partie du carter ( 13 ) de machine formant une partie du carter ( 2 ) de la turbomachine ( 1 ).
  8. Turbomachine ( 1 ) suivant la revendication 7,
    caractérisée en ce que le carter ( 13 ) de la machine s'applique au carter ( 7 ) de la transmission.
  9. Turbomachine ( 1 ) suivant la revendication 3,
    caractérisée en ce qu'un refroidissement de la machine ( 11 ) électrique s'effectue par une transmission de chaleur à travers le carter ( 2 ) de la turbomachine ( 1 ) à l'environnement à l'extérieur de la turbomachine.
  10. Turbomachine ( 1 ) suivant la revendication 6 et 7,
    caractérisée par une structure modulaire composée d'au moins un ou de deux modules ( 23 ) d'hélice, d'un ou de deux modules ( 24 ) de transmission et d'un ou de deux modules ( 25 ) de moteur.
  11. Utilisation de la turbomachine ( 1 ) suivant l'une des revendications 1 à 10 comme dispositif de propulsion d'un dispositif flottant ou plongeant, comme un bateau ou une plateforme offshore, la turbomachine étant fixée, avec possibilité de tourner de préférence horizontalement et/ou verticalement, à une coque ( 10 ) du dispositif flottant ou plongeant.
  12. Utilisation de la turbomachine ( 1 ) suivant l'une des revendications 1 à 10 comme pompe, ventilateur ou compresseur.
  13. Utilisation de la turbomachine ( 1 ) suivant l'une des revendications 1 à 10 comme turbine, notamment pour la production dans un dispositif flottant ou plongeant, dans une centrale électrique ou dans une centrale marémotrice ou dans une éolienne.
EP10706611.0A 2009-03-02 2010-02-26 Machine a deplacement non-positif, avec un boitier a etancheite amelioree Not-in-force EP2403750B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009011289A DE102009011289A1 (de) 2009-03-02 2009-03-02 Strömungsmaschine mit einem Gehäuse mit erhöhter Dichtheit
PCT/EP2010/052505 WO2010100094A2 (fr) 2009-03-02 2010-02-26 Turbomachine comportant un carter à étanchéité améliorée

Publications (2)

Publication Number Publication Date
EP2403750A2 EP2403750A2 (fr) 2012-01-11
EP2403750B1 true EP2403750B1 (fr) 2014-04-02

Family

ID=42174599

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10706611.0A Not-in-force EP2403750B1 (fr) 2009-03-02 2010-02-26 Machine a deplacement non-positif, avec un boitier a etancheite amelioree

Country Status (4)

Country Link
EP (1) EP2403750B1 (fr)
DE (1) DE102009011289A1 (fr)
ES (1) ES2458546T3 (fr)
WO (1) WO2010100094A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2006678C2 (nl) * 2011-04-28 2012-10-30 Imc Corporate Licensing B V Pod met reductiedrijfwerk.
ITVE20120020A1 (it) * 2012-07-02 2014-01-03 Franco Moro Gruppo motore fuoribordo elettrico.
TWM481195U (zh) * 2013-07-11 2014-07-01 Chien-Chung Kang 轉動軸之多重防水室
CN109795658B (zh) * 2017-11-17 2022-02-01 西门子能源国际公司 吊舱式推进器的支撑装置及吊舱式推进器
CN107804447A (zh) * 2017-12-01 2018-03-16 广东杰鹏游艇产业发展有限公司 一种运用于游艇的电动机推进和操控系统
EP4116185A1 (fr) * 2021-07-05 2023-01-11 ABB Oy Groupe propulseur pour un navire

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD15207A (fr) *
US3799291A (en) * 1971-03-05 1974-03-26 Schottel Werft Lubricating device for a z-drive for ships
DE2533306A1 (de) * 1975-07-25 1977-02-17 Hurth Masch Zahnrad Carl Winkelgetriebe, insbesondere fuer grosse leistungen
DE19801448C2 (de) * 1998-01-16 2001-09-27 Siemens Ag Elektrische Antriebseinrichtung für Schiffe
DE29823993U1 (de) * 1998-11-11 2000-07-06 Siemens Ag Redundante Vorrichtung mit gegenläufigen Propellern für Antrieb von Schiffen oder sonstigen maritimen Objekten
FI110254B (fi) * 2000-09-25 2002-12-31 Abb Oy Aluksen propulsiolaitteen asennusjärjestely sekä siihen liittyvä menetelmä ja väline
EP1213221B1 (fr) * 2000-12-08 2004-02-18 Kobelco Marine Engineering Co., Ltd. Joint d'étanchéité pour un propulseur à boítier extérieur
ATE354514T1 (de) * 2001-06-14 2007-03-15 Abb Oy Schiffsantriebsanordnung und -verfahren
CN201254282Y (zh) 2007-03-23 2009-06-10 施奥泰尔有限公司 推进驱动装置

Also Published As

Publication number Publication date
WO2010100094A2 (fr) 2010-09-10
EP2403750A2 (fr) 2012-01-11
DE102009011289A1 (de) 2010-09-09
ES2458546T3 (es) 2014-05-06
WO2010100094A3 (fr) 2011-05-12

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