EP1451062A2 - Transverse thruster, in particular a bow thruster for ships - Google Patents
Transverse thruster, in particular a bow thruster for shipsInfo
- Publication number
- EP1451062A2 EP1451062A2 EP02791756A EP02791756A EP1451062A2 EP 1451062 A2 EP1451062 A2 EP 1451062A2 EP 02791756 A EP02791756 A EP 02791756A EP 02791756 A EP02791756 A EP 02791756A EP 1451062 A2 EP1451062 A2 EP 1451062A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- tunnel tube
- housing
- transverse
- air
- thruster
- 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
- 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
- B63H25/46—Steering or dynamic anchoring by jets or by rudders carrying jets
Definitions
- the invention relates to a transverse thruster, in particular bow thruster, for ships according to the preamble of claims 1 to 8.
- transverse thrusters are known.
- a propeller rotates in a transversal aisle in the bow and / or stern and presses the suctioned water, working like an axial pump, depending on the selected direction of rotation or the wing position for variable pitch propellers to starboard or port.
- the maneuvering of a ship at low speeds is also made easier.
- DE-B-2 644 '844 describes a method and a device for introducing gas and water into the propeller area of a jet vane known.
- This method is that gas, e.g. B. air, and water are injected in a uniform mixture as a directed jet.
- gas e.g. B. air
- water By injecting an air / water mixture in the form of a jet into the propeller area, the noise reduction is to be improved largely independently of the associated reduction in performance.
- DE-A-2 803 336 Another arrangement for sound insulation can be found in DE-A-2 803 336, which relates to an arrangement for sound insulation of transverse beam control systems for ships, in which the tunnel tube accommodating the propeller is arranged in an transverse tube with the formation of an annular space which is arranged in the Hull transverse to its longitudinal axis lies.
- the wall of the tunnel tube is supported on the wall of the cross tube with the interposition of elastic molded bodies.
- Such an arrangement insulates the sound waves emanating from the tunnel tube, but the noise emanating from the gearbox or from the propeller drive is not reduced by such an elastic suspension of the tunnel tube, since there is no direct elastic suspension of the gearbox housing.
- FR-A-2 252 949 provides for the introduction of compressed air into the jacket area of jacketed propellers to prevent cavitation erosion, but there is no formation of an annular compressed air supply area in the area of the openings on both sides of the jacket tube, so that no cushion of air and Water can be formed to absorb the hammer-like impacts that occur during the condensation of cavitation bubbles.
- a transverse thruster in particular bow thruster, is known for ships, which consists of a transverse thrust channel formed in the hull and consisting of a tunnel tube, in which a gear housing with a propeller is arranged, in or on the wall of the Tunnel pipe outlet openings are formed for introducing a medium under pressure into the propeller area.
- the outlet openings are connected via at least one feed pipe to a compressed air generating device for the supply of compressed air with the exclusion of water in the propeller area and for the formation of a soft cushion consisting of air and water for receiving the hammer-like blows produced by the condensation bubbles, the Tunnel tube adjacent to its two lateral openings on its outer wall surface each has an annular air supply pipe.
- Each air supply pipe provided with air supply connections has air outlet openings arranged in the area of the wall or in the interior of the tunnel pipe, the two annular air supply pipes being connected via an air supply are connected to each other.
- One of the two annular air supply pipes is connected to the compressed air generating device.
- the propeller area is surrounded from the outside with a cavity filled with sand or a similar material to reduce structure-borne noise.
- the tunnel tube is double-walled, specifically with the formation of an intermediate space.
- An insulation material or a sand filling is arranged in the intermediate space.
- the space provided with an insulating material or with the sand filling can extend over the entire area of the tunnel tube; however, it is also possible to provide this double-walled design of the tunnel tube exclusively in the area of the propeller.
- this double-walled configuration of the tunnel tube can extend over the entire circumference of the tunnel tube.
- the object of the invention is not only to reduce the hammer-like impacts caused by the sudden condensation of cavitation bubbles, which are conducted through the tunnel wall into the interior of the ship as structure-borne noise, and the mechanical noises emanating from the propeller gearbox in the case of transverse thrusters, as well as the noises resulting from air injection reach and to avoid the associated unpleasant noises when working transverse thrusters, but to prevent a tunnel tube system as a unit from hammering the condensation of cavitation bubbles in the interior of the ship and especially in the living and recreation rooms, especially in the area of the Lateral thrusters lie as structure-borne noise, even when air is supplied to the sucked-in water fed to the tunnel tube.
- a box-shaped housing which partially or semicircularly surrounds this is arranged on the tunnel tube according to the invention in a transverse thruster according to the known type, the interior of which is delimited by the outer wall surface of the tunnel tube and the inner wall surface of the housing to reduce structure-borne noise with an insulating material, e.g. B. is filled with a sand filling or a filling made of another material which has approximately the same sound-reducing properties as sand.
- an insulating material e.g. B.
- the invention also provides a transverse thruster with a tunnel tube of a known type, but on the tunnel tube a completely or completely surrounding box-shaped housing is arranged, the outer wall surface of the tunnel tube and the inner wall surface of the housing limited interior space to reduce structure-borne noise with an insulating material, e.g. B. is provided with a sand filling or a filling made of another material which has approximately the same sound-reducing properties as sand.
- an insulating material e.g. B.
- the transverse thruster according to claim 3 is designed such that a partially or semicircular enclosing box-shaped receptacle housing is arranged on the tunnel tube with a support box arranged in this and elastically mounted in this, which to reduce structure-borne noise with an insulating material, for. B. with a sand filling or a filling made of another material, which has approximately the same sound-reducing properties as sand, the support box with the sand filling, the gear and the propeller via resilient-elastic elements, elastically mounted in the receiving housing is.
- the transverse thruster consists in that on the tunnel tube a completely or completely round enclosing box-shaped receiving housing is arranged with an arranged in this and elastically mounted support box, which to reduce structure-borne noise with an insulating material, for. B. with a sand filling or another filling made of another material, which has approximately the same sound-reducing properties as sand, the support box with the sand filling, the gear and the propeller via resilient-elastic elements, in the receiving housing is mounted elastically.
- tunnel tube of the transverse thruster is completely or partially surrounded by a separate box-shaped housing is a created relatively large interior space that receives relatively large amounts of insulating material, such as sand, so that a large sound-absorbing cushion is created.
- insulating material such as sand
- the design according to the invention does not create a system in which the insulating material is an integral part of the tunnel tube, but rather by accommodating the insulating material in a separate housing arranged outside the tunnel tube, it is achieved that the sound waves that occur are completely absorbed by the insulating material without the sound waves are passed on via the tunnel pipe system.
- the transverse thruster according to claim 5 is designed in such a way that a partially or semicircular box-shaped receptacle housing is arranged on the tunnel tube with a support box arranged in it and elastically mounted in it, which is used to reduce structure-borne noise with an insulating material, e.g. , B.
- the support box with the sand filling the gear and the propeller via resilient-elastic elements in the receiving housing elastic is mounted, and that in the wall of the tunnel tube a number of air nozzles for blowing air into the interior of the tunnel tube are arranged, which are connected to an annular channel to which the air is supplied via a compressed air generating device.
- the invention according to claim 6 provides that on the tunnel tube a box-shaped receptacle housing which partially or semicircularly surrounds it, with a housing arranged in it and in this Stisch-mounted support box is arranged, which to reduce structure-borne noise with an insulating material, for. B. with a sand filling or another filling made of another material, which has approximately the same sound-reducing properties as sand, the support box with the sand filling the gear and the propeller via resilient-elastic elements in the receiving housing elastic is mounted, and that a number of air nozzles are arranged in the wall of the tunnel tube for blowing air into the interior of the tunnel tube, to which individual valves are assigned, which are piped together and with a compressed air generating device.
- Claim 7 provides a further solution according to the invention.
- the transverse thruster is designed in such a way that a box-shaped receptacle housing that surrounds it completely or completely round is arranged on the tunnel tube, with a support box arranged in it and elastically mounted in it, which is used to reduce structure-borne noise with an insulating material, e.g. B.
- the support box with the sand filling the gear and the propeller via resilient-elastic elements in the receiving housing elastic is mounted, and that in the wall of the tunnel tube a number of air nozzles for blowing air into the interior of the tunnel tube are arranged, which are connected to the ring channel, to which air is supplied via a compressed air generating device.
- the transverse thruster according to claim 8 is designed in such a way that a box-shaped receptacle housing that surrounds this completely or completely round is arranged on the tunnel tube with a support box arranged therein and elastically mounted in it, which is used to reduce structure-borne noise with an insulating material, e.g. B.
- the support box with the sand filling the gearbox and the propeller via spring-elastic elements is elastically mounted in the receptacle housing, and that in the wall of the tunnel tube for blowing air into the interior of the A number of air nozzles are arranged in the tunnel tube, to which individual valves are assigned, which are piped together and with a compressed air generating device.
- the additional air injection supports the mixing of the sucked-in water with the fine air bubbles, in particular in that the suction effect for the water is greatest in the propeller area and the best mixing is achieved in this area. If little or no space is available, then it is advantageous to blow in the air on both sides of the propeller via an annular channel. Due to the additional arrangement according to the invention of the air supply pipes or the air outlet openings adjacent to the propeller, the advantage of a good mixing of air and water in the entire area is achieved, which at the same time contributes to an optimization of the noise reduction without loss of performance due to the many small air bubbles generated.
- the insulation according to the invention using a support box accommodating the insulating material has an advantageous effect, in particular when air is used to suck the water in via the ring grille is fed.
- each ring grille has a number of tubular ring bodies which have a number of air outlet nozzles arranged distributed over each ring body, all ring bodies being connected to a compressed air generating device via an air supply line.
- at least the two outer ring bodies of the two ring grilles have baffles in their lower regions, which are directed towards the front or towards the bow, or the front baffle sections of which are directed downwards and inclined towards the lateral openings or have a forward-facing position
- each ring grille comprises a number of tubular ring bodies which have a number of air outlet nozzles distributed over each ring body, all ring bodies being connected to a compressed air generating device via an air supply line.
- the ring bodies of each ring grille are tubular, the ring bodies having a number of air outlet nozzles arranged distributed over each ring body. All ring bodies are connected to a compressed air generating device via an air supply line.
- Each ring grille has any number of ring bodies, preferably two ring bodies with air outlet nozzles, which are arranged on the ring body in such a way that air jets emerge from the air outlet nozzles.
- the two outer ring bodies of the two ring grids each have baffle plates in their lower regions with a downward and inclined position in the direction of the lateral openings of the tunnel pipe.
- the forward inclination of the guide plates on the two outer ring bodies of each ring grille is such that the flow surfaces of the guide plates for the sucked water at an angle u. a. also be approximately at right angles to the inclination of the hull side walls.
- the guide plates are aligned according to the local conditions and do not always have to be perpendicular to the outer skin.
- the baffles can also be inclined forward towards the bow of the ship. This is particularly the case if the bow thruster should also be effective when driving, because the inflow situation at the inlet at the front edge of the tube generally deteriorates when driving.
- an embodiment is particularly advantageous in which an annular air supply pipe with air outlet nozzles is arranged in the region of the lateral openings of the tunnel pipe, specifically in the transition area between the wall of the tunnel pipe and the side wall of the hull, the air supply pipe being connected to the compressed air generating device and is arranged in the inclined plane formed by the ship's side wall in the region of the lateral opening of the tunnel tube. Because of this configuration, air is already supplied to the water in the inflow region to the tunnel tube, so that in an area in front of the lateral opening of the tunnel tube a good mixing of air and water is additionally achieved.
- the air supply pipe is at the same time the connecting pipe at the interface between the bow thruster tunnel and the ship's outer skin.
- a pipe is often inserted here because a connection can then be made very easily and economically.
- FIG. 1 shows a diagrammatic view of a transverse thruster with a housing which accommodates insulating material and surrounds the tunnel tube of the transverse thruster in a semicircular shape
- FIG. 2 shows a perspective view of a further embodiment of the transverse jet rudder according to FIG. 1, but with a housing which accommodates the insulating material and surrounds the tunnel tube in a completely round manner
- Fig. 3 shows a vertical cross section through the tunnel tube
- Lateral thrusters with a support housing for a support box that holds the insulating material and a semicircular surround, and with air injection via an annular channel,
- FIG. 3A shows a vertical longitudinal section through the transverse thruster according to FIG. 3,
- Fig. 4 is a vertical cross section through the tunnel tube
- Transverse rudder with a receptacle housing for an insulating material that surrounds the tunnel tube in a semicircular shape receiving support box and with air injection via individual air nozzles with valves that are piped together and with a compressed air generating device,
- 4A is a vertical longitudinal section, partly in view, through the
- Fig. 5 is a vertical cross section, partly in view, through the
- Tunnel tube of a transverse jet rudder with a receiving case for a support box receiving an insulating material and surrounding the tunnel tube and with an air injection via an annular channel
- 5A is a vertical cross section, partly in view, through the
- Fig. 6 is a vertical cross section, partly in view, through the
- Tunnel tube of a transverse jet rudder with a support housing for an insulating material which surrounds the tunnel tube in a completely round shape and with air injection via individual valves which are piped to one another and to a compressed air generating device,
- Fig. 6A is a vertical cross section, partly in view, through the
- FIG. 7 shows a vertical section through a tunnel tube with ring grids arranged in the side tunnel tube openings and having ring bodies with air outlet nozzles
- FIG. 8 shows an enlarged vertical section through the tunnel tube in the region of its lateral opening with an annular grating arranged in it, with guide plates and annular air supply tubes,
- FIG. 8A shows an enlarged vertical section of the interface between the bow thruster tunnel and the ship's outer skin with an air supply pipe arranged in the interface area
- FIG. 9 is an enlarged front view of a ring grille with air outlet nozzles
- Fig. 10 is an enlarged front view of a ring grille
- FIG. 11 shows an enlarged vertical section through the tunnel tube in the region of its lateral openings with ring grids arranged in the baffles.
- the transverse thruster 10 consists of a tunnel tube 20 formed in a ship's hull, not shown in the drawing, as a transverse push channel in which a drive motor 26, e.g. B. an electric motor, and an angular gear connected propeller 25 is arranged, which are housed in a gear housing 24 (Fig. 3A).
- the wall forming the tunnel tube is designated 21 and its outer wall surface is designated 21a.
- the lateral openings of the tunnel tube 21 are designated 20a, 20b.
- a box-shaped housing 32 is placed on the tunnel tube 20 so that it partially or semicircularly encompasses the tunnel tube 20 in the area of the semicircular upper wall area 22 of the tunnel tube 20.
- the area from the outer wall surface 21a of the tunnel tube 21 of the upper semicircular wall area 22 and the inner space 31 formed by the inner wall surface 30a of the housing 32 is filled with an insulating material, preferably with a sand filling 35, whereby all such materials can be used as the insulating material which have approximately the same sound-reducing properties, instead of of sand, suitable plastics can also be used.
- the housing 32 can extend over the entire length of the tunnel tube 20, but can also be dimensioned so long that areas adjacent to beard to the side openings 20a, 20b of the tunnel tube 20 can be recessed from the housing 30.
- the box-shaped housing 32 provided with the sand filling 35 is led to below the tunnel tube 20, so that the tunnel tube is arranged in the interior 31 of the housing 30; the sand filling 35 then completely surrounds the tunnel tube 20 and lies like a solid ring around the tunnel tube 20.
- the housing 32 may preferably have the box-shaped configuration shown in FIGS. 1 and 2; however, other geometrical shapes of the housing 32 are also possible.
- the housing 32 is made of steel or other suitable materials.
- a box-shaped housing 32 is also placed on the tunnel tube 20, which serves as a receiving housing 32 'for a support box 30 which is filled with a Insulation material, preferably with a sand filling 35 is provided.
- the support box 30 with the sand filling 35, the gear 24 and the propeller 25 is via resilient elements 39, such as. B. over elements made of rubber or other suitable materials, resiliently mounted in the receiving housing 32 '.
- the receiving housing 32 encompasses the support box 30 and together with it the tunnel tube 20 partially or semicircularly in the upper wall region of the tunnel tube 20. That of the outer wall surface 21a of the tunnel tube 20 in the region of the upper semicircular Wall area 22 and interior space 31 formed by inner wall surface 30a of support box 30 is provided with sand filling 35.
- the gear 24 with the propeller 25 is supported on the support box 30 by means of gear support plates 27.
- the housing 32 or the receiving housing 32 'for the support box 30 is part of the tunnel tube 20. Because of this design, the insulated support box 30 carrying the gear 24 with the propeller 25 is arranged in the receiving housing 32' and in the Receiving housing 32 'elastically supported at 39.
- a number of air nozzles 40a are arranged in the wall of the tunnel tube 20 for blowing air into the interior of the tunnel tube 20. These air nozzles 40a are connected via an annular channel 41, to which the air is supplied via a compressed air generating device 45.
- the tunnel tube 20 is also partially or semicircularly surrounded by the receiving housing 32 'for the support box 30, which is provided with the sand filling 35, as in the embodiment according to FIGS. 3 and 3A.
- Air is blown in here via air nozzles 50a arranged in the wall of the tunnel tube 20, to which individual valves 50 are assigned, which are piped to one another and to a compressed air generating device indicated at 55.
- the air supply valve piping is designated 51.
- the air supply valves 50 are arranged outside the support box housing 52, which is part of the tunnel tube 20.
- the receiving housing 32 surrounds the support box 30 and together with it the tunnel tube 20 completely or completely round.
- the interior 31 formed by the outer wall surface 21a of the tunnel tube 20 and by the inner wall surface 30a of the support box 30 is provided with the sand filling 35, so that the tunnel tube 20 is completely surrounded by the insulating material.
- the insulated support box carrying the gear 24 with the propeller 25 is arranged in the receiving housing 32 'and resiliently mounted in the receiving housing 32'.
- a number of air nozzles 60a for blowing air into the interior of the tunnel tube 20 are arranged in the wall of the tunnel tube 20. These air nozzles 60a are connected via an annular channel 61, to which air is supplied via a compressed air generating device 65.
- air is blown in via air nozzles 70a arranged in the wall of the tunnel tube 20, to which individual valves 70 are assigned, which are piped together and with a compressed air generating device indicated at 75.
- the air supply valve piping is designated 71.
- the air supply valves 70 are arranged outside the support box receiving housing 32 ′, which is part of the tunnel tube 20.
- the air nozzles 40a to which the air is supplied via an annular channel 41, the air nozzles 50a with the valves 50 assigned to them, the air nozzles 60a to which the air is supplied via an annular channel 51 and the air nozzles 70a with the valves 70 assigned to them are ring-shaped in FIG the wall of the tunnel tube 20, either on one side or on both sides of the tunnel tube 20, it also being possible to arrange a plurality of ring groups of air nozzles.
- the hull of a ship with its side walls 111, 112 is indicated by 110.
- the transverse thruster Arranged in the hull 110 is the transverse thruster, which is formed by a tunnel tube 130, the wall of which is designated 131.
- the lateral openings of the tunnel tube 130 are designated 130a, 130b.
- a gear housing 124 with a propeller nacelle 126, which has a propeller 125, is arranged in the interior 130c of the tunnel tube 130.
- the gearbox 124 with the propeller 125 is suspended in a tubular extension 123, which the tunnel tube 130 is formed.
- the tunnel tube 130 is surrounded by a housing which accommodates the insulating material.
- the two ring grids 140, 140 'are of identical design. 10 and 11 have no air outlet nozzles, whereas ring gratings 140, 140 'of FIGS. 7, 8, 8A and 9 are provided with air outlet nozzles 143 and 163, respectively.
- Each ring grille 140, 140 ′ comprises a number of tubular ring bodies 141, 142, which have a number of air outlet nozzles 143 arranged distributed over each ring body, all ring bodies 141, 142 being connected to a compressed air generating device 145 via an air supply line 144.
- each ring grid 140, 140 ' can be chosen as desired; it depends on the size of the lateral openings 130a, 130b of the tunnel tube.
- Ring grids 140, 140 'with two ring bodies 141, 142 are preferably used, as shown in FIGS. 8 and 9, the ring body 141 forming the outer ring body and the ring body 142 forming the inner ring body of the two ring bodies.
- the air outlet nozzles 143 of the annular bodies 141, 142 are arranged in such a way that air jets emerge from the air outlet nozzles into the water.
- the two outer ring bodies 141, 142 of the two ring grilles 140, 140' each have baffles 150 in their lower areas with a downward and if necessary forward towards the side openings 130a, 130b of the tunnel tube 130, as shown in FIGS. 8, 10 and 11.
- the slightly inclined front sections of the baffles are designated 150a.
- the baffles themselves are arranged lying parallel to the longitudinal axis of the tunnel tube 130, whereas the front baffle sections 150a are slightly inclined downwards.
- the forward inclination of the guide plates 150 on the two outer ring bodies 141, 142 of each ring grille 140, 140 ' can be such that the flow surfaces of the guide plates 150 for the sucked-in water are approximately at right angles to the inclination of the hull side walls 111, 112, but other angular positions are also possible.
- FIG. 8 In order to achieve air injection in front of the side openings 130a, 130b of the tunnel tube 130 or in the immediate area of these two side openings 130a, 130b, it can be seen in FIG. 8 in the area of each side opening 130a, 130b of the tunnel tube 130 and In the transition area between the wall 131 of the tunnel tube 130 and the side wall 111 or 112 of the hull 110, an annular air supply pipe 160 with inwardly directed air outlet nozzles 163 is arranged, the air supply pipe 160 also being connected to the compressed air generating device 145.
- the arrangement of the annular air supply pipe 160 in the region of each side opening 130a, 130b of the tunnel pipe 130 is such that the surface formed by the air supply pipe 160 is inclined and in the inclined plane formed by the ship's side wall 111 and 112 in the region of the side opening of the tunnel tube is lying.
- 8A shows a constructive embodiment in which the air supply pipe 160 simultaneously forms the connecting pipe at the interface between the bow thruster tunnel 130 or the tunnel side wall and the side wall 111 or 112 of the hull 110 or the ship's outer skin, the air supply pipe 160 as shown , is placed with a protrusion 160a from the plane of the ship's outer skin or the hull side wall 111 and a protrusion 160b from the plane of the side wall of the tunnel tube 130.
Abstract
Description
Claims
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20119724U | 2001-12-05 | ||
DE20119724U DE20119724U1 (en) | 2001-12-05 | 2001-12-05 | Lateral thruster, in particular bow thruster, for ships |
DE20120232U | 2001-12-13 | ||
DE20120232U DE20120232U1 (en) | 2001-12-13 | 2001-12-13 | Lateral thruster, in particular bow thruster, for ships |
PCT/EP2002/013595 WO2003047966A2 (en) | 2001-12-05 | 2002-12-02 | Transverse thruster, in particular a bow thruster for ships |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1451062A2 true EP1451062A2 (en) | 2004-09-01 |
EP1451062B1 EP1451062B1 (en) | 2006-06-07 |
Family
ID=26057301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02791756A Expired - Lifetime EP1451062B1 (en) | 2001-12-05 | 2002-12-02 | Transverse thruster, in particular a bow thruster for ships |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1451062B1 (en) |
AT (1) | ATE328786T1 (en) |
AU (1) | AU2002358077A1 (en) |
DE (1) | DE50207138D1 (en) |
HK (1) | HK1071552A1 (en) |
WO (1) | WO2003047966A2 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT413976B (en) * | 2004-03-15 | 2006-07-15 | Hubert Ing Holesz | BOW BEAM ROTOR FOR OUTDOOR MOUNTING |
ITSV20050034A1 (en) * | 2005-11-04 | 2007-05-05 | Ultraflex Spa | DEVICE FOR STEERING BOATS |
AT507419B1 (en) | 2008-11-17 | 2010-05-15 | Marinno Maritime Innovations | CROSS-RADIATOR FOR A WATER VEHICLE |
DE102011055998A1 (en) | 2011-12-02 | 2013-06-06 | Schottel Gmbh | Thrusters |
DE102013109713B4 (en) | 2013-09-05 | 2020-10-29 | Jastram Gmbh & Co. Kg | Cross thruster system and control method for a cross thruster system |
DE102014209426B4 (en) * | 2014-05-19 | 2016-10-27 | Fr. Lürssen Werft Gmbh & Co. Kg | Transverse thruster with air injection |
CN107097919B (en) * | 2017-04-12 | 2018-12-07 | 哈尔滨工程大学 | A kind of microbubble denoising device promoting submarine suitable for pumping spray |
DE202017105726U1 (en) | 2017-09-21 | 2017-09-29 | Jastram Gmbh & Co. Kg | Tunnel for a transverse jet control device, transverse jet control device and watercraft with a transverse jet control device |
DE202018100926U1 (en) | 2018-02-20 | 2018-03-15 | Schottel Gmbh | Thrusters |
DE202019100817U1 (en) | 2019-02-13 | 2020-06-16 | Jastram Gmbh & Co. Kg | Lateral thruster for a watercraft |
KR102251538B1 (en) * | 2021-03-18 | 2021-05-13 | 박경주 | Overhaul apparatus for side thruster |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1107461A (en) * | 1963-10-31 | 1968-03-27 | Vickers Ltd | Improvements in or relating to propulsion units for ships |
NO132423C (en) | 1973-12-04 | 1975-11-12 | Norges Skipsforsknings Inst | |
DE2644844B1 (en) | 1976-10-05 | 1977-12-29 | Jastram-Werke Gmbh Kg, 2050 Hamburg | PROCEDURE AND DEVICE FOR INTRODUCING GAS AND WATER INTO THE PROPELLER AREA OF A THRUSTER |
DE2803336A1 (en) | 1978-01-26 | 1979-08-02 | Gruenzweig & Hartmann Montage | Silencing arrangement for ship's transverse jet active rudder - has ducting elastically mounted in hull tube, with silencing material in space between |
US4629432A (en) | 1983-02-04 | 1986-12-16 | Brodr. Brunvoll Motorfabrikk A/S | Elastically supported thruster structure |
DE8711216U1 (en) * | 1987-08-18 | 1987-10-01 | Jastram-Werke Gmbh & Co Kg, 2050 Hamburg, De | |
DE9412386U1 (en) * | 1994-07-30 | 1994-10-27 | Jastram Gmbh & Co Kg | Lateral thrusters, in particular bow thrusters, for ships |
DE20119724U1 (en) * | 2001-12-05 | 2002-03-14 | Jastram Gmbh & Co Kg | Lateral thruster, in particular bow thruster, for ships |
DE20120232U1 (en) * | 2001-12-13 | 2002-03-07 | Jastram Gmbh & Co Kg | Lateral thruster, in particular bow thruster, for ships |
-
2002
- 2002-12-02 EP EP02791756A patent/EP1451062B1/en not_active Expired - Lifetime
- 2002-12-02 AT AT02791756T patent/ATE328786T1/en not_active IP Right Cessation
- 2002-12-02 AU AU2002358077A patent/AU2002358077A1/en not_active Abandoned
- 2002-12-02 WO PCT/EP2002/013595 patent/WO2003047966A2/en active IP Right Grant
- 2002-12-02 DE DE50207138T patent/DE50207138D1/en not_active Expired - Lifetime
-
2005
- 2005-03-01 HK HK05101779A patent/HK1071552A1/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO03047966A2 * |
Also Published As
Publication number | Publication date |
---|---|
AU2002358077A1 (en) | 2003-06-17 |
WO2003047966A2 (en) | 2003-06-12 |
EP1451062B1 (en) | 2006-06-07 |
HK1071552A1 (en) | 2005-07-22 |
DE50207138D1 (en) | 2006-07-20 |
WO2003047966A3 (en) | 2004-02-05 |
ATE328786T1 (en) | 2006-06-15 |
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