EP2403750A2 - Turbomachine comportant un carter à étanchéité améliorée - Google Patents

Turbomachine comportant un carter à étanchéité améliorée

Info

Publication number
EP2403750A2
EP2403750A2 EP10706611A EP10706611A EP2403750A2 EP 2403750 A2 EP2403750 A2 EP 2403750A2 EP 10706611 A EP10706611 A EP 10706611A EP 10706611 A EP10706611 A EP 10706611A EP 2403750 A2 EP2403750 A2 EP 2403750A2
Authority
EP
European Patent Office
Prior art keywords
housing
turbomachine
transmission
propeller
shaft
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
EP10706611A
Other languages
German (de)
English (en)
Other versions
EP2403750B1 (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

Links

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 known, for example, from EP 1 972 545 A1.
  • EP 1 972 545 A1 discloses a turbomachine which serves as a pod drive for a ship.
  • the turbomachine comprises an underwater housing, which is arranged on the hull of the ship, a propeller, which is arranged outside the housing, and a propeller shaft, on which the propeller sits.
  • 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 takes place via a vertical shaft, which is guided from the ship's hull into the housing, and a ring gear and bevel gear arranged between the gearbox and the vertical shaft.
  • 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, wherein 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 arranged within the housing of the flow machine.
  • the housing When coupled with an electric machine, 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 speed of the propeller shaft (eg 4 to 5 times the propeller speed). As an electric machine, a high-speed machine can then be used. the one that has smaller dimensions than a machine running at the propeller speed. 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 can be excited by permanent magnets or a winding system, which can 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 according to the invention of a propeller, a propeller shaft, a shaft seal and a gear, wherein the propeller shaft or the propeller is coupled to the same electric machine or to a second electric machine could be.
  • the two propellers can rotate in the same direction or even contrarotate, the rotational speeds may be the same or different. In such an arrangement with 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 Getriebemo- 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.
  • a turbomachine can then be assembled, for example, as needed, from the following modules, which are lined up in the order given: - a motor module, a transmission module and a traction propeller module,
  • a pressure propeller module a transmission module and a motor module
  • a pressure propeller module a first transmission module, an engine module, a second transmission module and a traction propeller module, wherein the engine of the engine module drives both transmissions or both propellers, a motor, a first engine module, a second engine module, a second transmission module and a traction propeller module, wherein the engine of the first engine module, the transmission of the first transmission module or the pressure propeller and the engine of the second engine module, the transmission of the second transmission module or . the drive propeller drives.
  • 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 can be used as a turbine, in particular for power generation in a floating or diving device, in a flow or tidal power plant or in a wind turbine.
  • FIG. 1 shows a turbomachine with a shaft seal integrated into a transmission housing
  • FIG. 2 shows the turbomachine of FIG. 1 with a vertical shaft (L version), FIG.
  • FIG 3 shows the turbomachine of FIG 1 with a voltage applied to a transmission housing shaft seal.
  • 1 shows a simplified and schematic representation of a partial longitudinal section through a turbomachine 1, which serves as a drive device for a floating or diving device such as a ship or an offshore platform and this purpose 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 circumferential 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, the electric motor 6 being coupled to the propeller shaft 4 or to the propeller 3 by means of the gear 6.
  • the electric motor 11 comprises 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 such that during operation of the turbomachine 1, the rotational speed of the electric machine 11 is greater than that
  • Speed of the propeller shaft 4 (e.g., 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.
  • FIG. 2 shows the turbomachine 1 of FIG. 1, but with no electric motor in the interior of 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 shaft seal 9 integrated into the housing 2 and resting against the transmission housing 7 instead of a shaft seal integrated into the transmission housing 7.
  • the turbomachines 1 of FIGS. 1-3 may each have a further arrangement according to the invention described above 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 with the same electric machine 11 or can be coupled with 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 FIGS. 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 construction system. includes transmission 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)
  • Sealing Devices (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

L'invention concerne une turbomachine comportant un carter (2), au moins une hélice (3) située en dehors du carter (2), un arbre à hélice (4) accouplé à l'hélice (3), l'arbre à hélice (4) étant logé dans le carter (2) et s'étendant hors du carter (2) à travers une ouverture traversante (5), un engrenage (6) accouplé à l'arbre à hélice (4), l'engrenage (6) étant logé dans le carter (2) et comprenant un carter d'engrenage (7), et un joint d'arbre (9) étanchant l'ouverture de passage (5) contre l'entrée de liquide dans le carter (2). Selon l'invention, le carter d'engrenage (7) est au moins partiellement rempli d'un liquide d'engrenage (8) et le joint d'arbre (9) s'appuie contre le carter d'engrenage (7) ou est intégré au carter d'engrenage (7). Ceci permet de réduire des contraintes mécaniques et thermiques du joint d'arbre et donc de réduire le risque de défauts d'étanchéité.
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 true EP2403750A2 (fr) 2012-01-11
EP2403750B1 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)

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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
JP3142137U (ja) 2007-03-23 2008-06-05 ショッテル ゲゼルシャフトミットベシュレンクターハフトゥング 推進駆動装置

Non-Patent Citations (1)

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Title
See references of WO2010100094A2 *

Also Published As

Publication number Publication date
DE102009011289A1 (de) 2010-09-09
ES2458546T3 (es) 2014-05-06
EP2403750B1 (fr) 2014-04-02
WO2010100094A3 (fr) 2011-05-12
WO2010100094A2 (fr) 2010-09-10

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