EP2280862A2 - Azimut-propellerantriebseinrichtung mit niedriger einbauhöhe für eine schwimmende einrichtung - Google Patents
Azimut-propellerantriebseinrichtung mit niedriger einbauhöhe für eine schwimmende einrichtungInfo
- Publication number
- EP2280862A2 EP2280862A2 EP09749744A EP09749744A EP2280862A2 EP 2280862 A2 EP2280862 A2 EP 2280862A2 EP 09749744 A EP09749744 A EP 09749744A EP 09749744 A EP09749744 A EP 09749744A EP 2280862 A2 EP2280862 A2 EP 2280862A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- shaft
- propeller
- rotor
- motor
- drive device
- 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
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
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
-
- 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 an azimuth propeller drive device with low installation height for a floating device such. a ship or an offshore platform with
- a housing to be arranged below a structure of the floating device in the water, in which at least one propeller shaft is rotatably mounted, with which at least one propeller is coupled,
- At least one electric motor with a stator and a rotor for driving the at least one propeller, a hollow shaft which rotatably supports the housing,
- the electric motor is arranged outside the housing and drives with its rotor a drive shaft which is coupled to the at least one propeller shaft and which extends at least partially through the hollow shaft.
- propeller propulsion devices are used in particular in the form of azimuth propulsion systems for ships, i.
- the propeller drive is used both for propulsion and for the control of the ship, more and more frequently and with ever higher performance, since they significantly extend the range of use of many types of ships and thus provide a ship for a wider range of applications.
- azimuth propulsion systems examples include rudder propellers, POD drives and thrusters.
- the shaft and the attached propeller housing in the form of a nacelle by means of an actuator with respect to a substantially vertical axis of rotation relative to the ship's structure is rotatable.
- the at least one propeller shaft is mounted substantially horizontally in this gondola-shaped housing.
- the electric motor for driving the drive shaft is here at the upper end of the shaft usually on the shaft or on a non-rotatably mounted in the ship support structure be strengthens and has a stator and a rotor, wherein the rotor is connected to the drive shaft which extends at least partially through the hollow shaft.
- the transmission of the torque of the electric motor from the drive shaft to the propeller shaft can then take place, for example, via a bevel gear, which is arranged in the gondola-shaped housing.
- the motor Since in such motors the length of the motor in the axial direction, i. in the direction of the axis of rotation of the rotor, is relatively large, the motor extends with a relatively large length above the shaft into the floating device inside.
- the propeller driving device thus has a considerable installation height, which results in restrictions on the positioning of the propeller drive device on the floating device and the space available in the floating device.
- a jet propulsion system for water vehicles is known, which is based on the drive concept of an electric ring motor.
- Such an electric ring motor is an electric machine having a ring-shaped rotor and a stator, which is arranged in a ring around the rotor in such a way that it forms an electrical machine with the rotor.
- On the inside of the ring of the rotor blades are arranged.
- the jet engine does not have a central rotor shaft, i. it is free of a component which passes along the axis of rotation of the rotor therethrough.
- the electric motor is designed as an electric ring motor, which is arranged annularly around the drive shaft, wherein the rotor of the ring motor is rotatably connected via a rotor carrier with the drive shaft.
- a ring motor is understood as meaning a motor which, in relation to the axis of rotation of the rotor, has a significantly greater extent in the radial direction than in the axial direction.
- the rotor is annular in this case and the stator is arranged in a ring around the rotor.
- An annular arrangement of the rotor about the drive shaft is here understood to mean that the drive shaft runs along the axis of rotation of the rotor and preferably even through the rotor, i. through the surface spanned by the rotor.
- the ring motor is preferably adapted to the outside diameter of a support structure of the floating device for the azimuth propeller drive device.
- the outer diameter of the ring motor is less than or equal to the outer diameter of the support structure.
- the ring motor can in this case be mounted above or inside the support structure (also called "support cone").
- the rotor carrier comprises a hub, a circular support ring and a connecting element for connecting the Hub with the support ring, wherein the hub is rotatably connected to the drive shaft and the support ring carries the rotor.
- the connecting element is designed as a disc wheel.
- the disc wheel may be provided with holes or slots.
- the connecting element can also be designed as a spoke wheel.
- the rotor carrier can also be a gear, e.g. a planetary gear, include. As a result, the size of the motor can be reduced.
- the drive shaft is rotatably mounted in the shaft.
- the rotor can also be rotatably mounted in the shaft. With a suitable mounting of the rotor in the shaft may possibly be dispensed with an (additional) storage of the drive shaft in the shaft.
- the hollow shaft may be rotatable about an axis of rotation via at least one electric or hydraulic motor (hereinafter referred to as "rotary motor").
- the rotary motor designed as an electric motor is designed as an electric ring motor which is arranged annularly about the axis of rotation of the shaft, wherein the rotor of the electric motor is connected to the shaft and the stator of the electric motor connected to the structure of the floating device has.
- a particularly large power of the electric drive used for driving the drive shaft or the actuator ring motor in a small footprint is in this case possible that the ring motor designed as an electric motor is designed as a permanent magnet synchronous machine.
- the coupling of the drive shaft with the propeller shaft via a bevel gear since such bevel gearboxes are characterized by a good torque transmission and high reliability.
- the housing is closed, in particular shaped like a pod, and forms in its interior a cavity in which then, for example, the bevel gear can be accommodated.
- the figure shows in diagrammatic form a longitudinal section of an azimuth propeller driving device 1 according to the invention for a floating device, such as e.g. a ship or an offshore platform.
- the propeller drive device 1 comprises a hollow shaft 2, which is supported by bearings 13 at its lower and upper end about a substantially vertical axis 3 rotatably supported by a support structure 4 of the floating device. Seals 14 seal a gap 15 between the shaft 2 and the support structure 4 against ingress of water.
- a substantially horizontally extending propeller shaft. 7 by means of bearings 8 rotatably mounted about an axis 9.
- the axis of rotation 3 of the shaft 2 and the axis of rotation 9 of the propeller shaft 7 are thus substantially perpendicular to each other.
- the propeller shaft 7 is guided at one end 10 to outside the housing 5 and has at this end 10 an attached thereto propeller 11.
- An electric motor 20 drives the propeller shaft 7 via a drive shaft 21 and a bevel gear 28 arranged in the housing 5, consisting of a bevel gear 29a and a ring gear 29b.
- the electric motor 20 drives the propeller shaft 7 via a drive shaft 21 and a bevel gear 28 arranged in the housing 5, consisting of a bevel gear 29a and a ring gear 29b.
- the floating device 20 is disposed outside of the shaft 2 and the housing 5 in the interior of the floating device.
- the floating device is a non-illustrated generator or other power source, the or the electric motor, possibly powered by an inverter with the necessary power.
- the propeller drive device shown is a rotatable about a vertical axis 3 azimuth Propulsionsstrom in the form of a rudder propeller. It is possible that the propeller shaft 7 at its second end or an additional propeller shaft, via a suitable gear with the propeller shaft 7 or the Drive shaft 21 is coupled, is guided outside of the housing 5 and there also has an attached thereto propeller. The two propellers can then rotate (i.e., contrarotate) in the same or in opposite directions.
- the electric motor 20 is designed as an electric ring motor and has an annular rotor 22 and an annular stator 23, which encloses the rotor 22 annularly to form an air gap.
- the rotor 22 and the drive shaft 21 are rotatably supported about the same axis 3 as the shaft 2.
- the rotor 22 is arranged annularly around the drive shaft 21, that is, that the drive shaft 21 along the axis of rotation 3 of the rotor 22 and thereby even through the rotor 22 through, that is, by the area spanned by the rotor 22 extends.
- the electric motor 20 designed as a ring motor has, in relation to the axis of rotation 3 of the rotor 22 in the radial direction, a diameter A which is significantly greater than the length B of the motor in its axial longitudinal direction.
- the annular stator 23 of the motor 20 is rotationally fixed to the shaft 2, here a support structure 24 (often referred to as “support cone”) at the upper end of the shaft 2, attached.
- the ratio A / B depends essentially on the diameter of the supporting structure 24, on the torque to be applied to the propeller 11, and on the ratio of a gear possibly arranged between the motor 20 and the drive shaft 21 and that of the angular gear.
- a gear may optionally be employed within the vertical extent of the motor 20, allowing for optimum tuning of the motor 20 to the drive torque required by the propeller.
- the ring motor 20 is adapted in terms of its outer diameter to the outer diameter of the support structure 24 of the floating device for the azimuth propeller drive device and has an outer diameter which is approximately equal to the outer diameter of the support structure 24.
- the annular rotor 22 is non-rotatably connected to the drive shaft 21 via a rotor carrier 25 fastened to its ring inner side.
- the rotor carrier 25 thus carries on its outer side the rotor 22.
- the rotor carrier 25 comprises a hub 40, a circular support ring 41 and a connecting element 42 for connecting the hub 40 with the support ring 41.
- the hub 40 is rotatably connected to the drive shaft 21 and the support ring 41 carries on its outer side the rotor 22.
- the connecting element 42 may be formed, for example, as a disk wheel, which is preferably provided for weight saving with holes or slots.
- the rotor carrier may also include a transmission, eg a planetary gear.
- Several bearings 26 are used for rotatable mounting and horizontal and vertical fixation of the drive shaft 21, the rotor carrier 25 and the rotor 22 relative to the stator 23 and the shaft second
- the rotation of the propeller drive device 1 about the vertical axis 3 takes place by means of an electric motor 30, which is likewise designed as an electric ring motor.
- the motor 30 has a ring-shaped rotor 32 and an annular stator 33, which surrounds the rotor 32 annularly to form an air gap.
- the rotor 32 is rotatably mounted about the same axis 3 as the shaft 2, the drive shaft 21 and the rotor 22 of the electric motor 20.
- the electric motor 30 designed as a ring motor has, in relation to the axis of rotation 3 of the rotor 32 in the radial direction, a diameter C which is significantly greater than the length D of the motor in its axial longitudinal direction.
- the annular stator 33 of the motor 30 is rotationally fixed to a fixed part of the propeller driving device 1 or the floating device, e.g. the support structure 4, and the annular rotor 32 of the motor 30 is rotatably connected by means of a mounted on its inner ring rotor arm 45, which carries the rotor 32 with the shaft 2, here a flange 34 at the upper end of the shaft 2.
- the connection between the motor 30 and the shaft 2 or between the motor 30 and the floating device can also take place via a suitable transmission. In this way, an optimal adaptation of the motor 30 to the required rotational speed and the required torque for rotating the propeller drive system is possible.
- the electric motors 20, 30 are preferably designed as permanent-magnet synchronous machines.
- the propeller drive device 1 can also be arranged retractable and extendable in a floating device.
- a shaft into which the propeller drive device 1 is received in the retracted state can be formed in the floating device.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Toys (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008024540A DE102008024540A1 (de) | 2008-05-21 | 2008-05-21 | Azimut-Propellerantriebseinrichtung mit niedriger Einbauhöhe für eine schwimmende Einrichtung |
PCT/EP2009/055766 WO2009141254A2 (de) | 2008-05-21 | 2009-05-13 | Azimut-propellerantriebseinrichtung mit niedriger einbauhöhe für eine schwimmende einrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2280862A2 true EP2280862A2 (de) | 2011-02-09 |
EP2280862B1 EP2280862B1 (de) | 2015-12-23 |
Family
ID=41050938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09749744.0A Not-in-force EP2280862B1 (de) | 2008-05-21 | 2009-05-13 | Azimut-propellerantriebseinrichtung mit niedriger einbauhöhe für eine schwimmende einrichtung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2280862B1 (de) |
DE (1) | DE102008024540A1 (de) |
DK (1) | DK2280862T3 (de) |
ES (1) | ES2561041T3 (de) |
WO (1) | WO2009141254A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4368494A1 (de) | 2022-11-11 | 2024-05-15 | Undine A/S | Elektrischer segelantrieb |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009002263A1 (de) * | 2009-04-07 | 2010-10-14 | Zf Friedrichshafen Ag | Segelschiffantrieb |
DE102009002264A1 (de) * | 2009-04-07 | 2010-10-14 | Zf Friedrichshafen Ag | Hybridantrieb eines Segelschiffes |
DE102012210727A1 (de) | 2012-06-25 | 2014-01-02 | Zf Friedrichshafen Ag | Bootsantrieb |
EP2995550A1 (de) | 2014-09-11 | 2016-03-16 | ABB Technology AG | Antriebseinheit |
NL2018388B1 (en) * | 2017-02-16 | 2018-09-06 | Veth Propulsion B V | Thruster for propelling a watercraft |
CN107235135B (zh) * | 2017-04-27 | 2019-04-02 | 武汉船用机械有限责任公司 | 一种全回转推进器的转舵装置 |
EP3428055B1 (de) * | 2017-07-11 | 2020-08-26 | Aetc Sapphire | Verfahren und vorrichtung zur bestimmung der richtung und amplitude einer angelegten kraft auf eine antriebsgondel für ein boot |
DE102017216818A1 (de) | 2017-09-22 | 2019-03-28 | Siemens Aktiengesellschaft | Azimutverstellung einer Gondel |
CN109733581B (zh) * | 2018-12-20 | 2020-08-07 | 武汉船用电力推进装置研究所(中国船舶重工集团公司第七一二研究所) | 一种船用吊舱推进单元 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3013519A (en) * | 1955-02-14 | 1961-12-19 | Reiners Walter | Ship propulsion and steering systems |
US20010051475A1 (en) * | 1996-11-07 | 2001-12-13 | Reinhold Reuter | Twin-propeller drive for watercraft |
JP3618560B2 (ja) * | 1998-11-02 | 2005-02-09 | 新潟原動機株式会社 | 船舶推進装置 |
FI110599B (fi) * | 1998-12-22 | 2003-02-28 | Rolls Royce Oy Ab | Kääntyvä potkurilaite alusta, offshore-rakennetta tai vastaavaa varten |
DE20021466U1 (de) * | 2000-12-19 | 2001-05-03 | Schottel Gmbh & Co Kg | Wasserfahrzeug mit einem unter seinem Boden außenbords angeordneten Ruderpropeller |
NL1020217C1 (nl) * | 2002-03-21 | 2002-05-23 | Wouter Steusel | Elektrische voortstuwings- en watergenerator-eenheid voor zeilschepen. |
US6836036B2 (en) * | 2002-06-14 | 2004-12-28 | Dube Jean-Yves | Electric motor with modular stator ring and improved heat dissipation |
DE10353566A1 (de) | 2003-11-14 | 2005-06-23 | Reinhard Gabriel | Strahlantrieb |
DE102005029895A1 (de) * | 2005-06-27 | 2007-01-04 | Siemens Ag | Direktantrieb für Großantriebe |
-
2008
- 2008-05-21 DE DE102008024540A patent/DE102008024540A1/de not_active Withdrawn
-
2009
- 2009-05-13 ES ES09749744.0T patent/ES2561041T3/es active Active
- 2009-05-13 WO PCT/EP2009/055766 patent/WO2009141254A2/de active Application Filing
- 2009-05-13 EP EP09749744.0A patent/EP2280862B1/de not_active Not-in-force
- 2009-05-13 DK DK09749744.0T patent/DK2280862T3/en active
Non-Patent Citations (1)
Title |
---|
See references of WO2009141254A2 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4368494A1 (de) | 2022-11-11 | 2024-05-15 | Undine A/S | Elektrischer segelantrieb |
WO2024100304A1 (en) | 2022-11-11 | 2024-05-16 | Undine A/S | An electric saildrive |
Also Published As
Publication number | Publication date |
---|---|
DE102008024540A1 (de) | 2009-12-03 |
ES2561041T3 (es) | 2016-02-24 |
WO2009141254A3 (de) | 2010-11-25 |
DK2280862T3 (en) | 2016-03-14 |
EP2280862B1 (de) | 2015-12-23 |
WO2009141254A2 (de) | 2009-11-26 |
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