EP0935553B1 - Doppelpropeller-antrieb für wasserfahrzeuge - Google Patents
Doppelpropeller-antrieb für wasserfahrzeuge Download PDFInfo
- Publication number
- EP0935553B1 EP0935553B1 EP97950145A EP97950145A EP0935553B1 EP 0935553 B1 EP0935553 B1 EP 0935553B1 EP 97950145 A EP97950145 A EP 97950145A EP 97950145 A EP97950145 A EP 97950145A EP 0935553 B1 EP0935553 B1 EP 0935553B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- screw
- housing
- propulsion system
- water jet
- jet propulsion
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/22—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing
- B63H23/24—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric
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- 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
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- 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
- B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
-
- 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
- B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
- B63H5/10—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type
-
- 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
- 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
- B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
- B63H5/10—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type
- B63H2005/103—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type of co-rotative type, i.e. rotating in the same direction, e.g. twin 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
Definitions
- the invention relates to a water jet drive with a prime mover and a double propeller which is driven by the prime mover.
- Such drives are known in a design such that the actual drive machine, in particular a diesel engine, is arranged inside the ship's hull and a transmission as a further part of the drive machine is located in a nacelle below the ship's hull, from the shafts connected to the transmission at opposite ends are led out, which are rotatably connected at their outer ends with one of two propellers shown as the same.
- a solution is described in DE 44 40 738 A1, the essential feature being a diffuser arranged between the two propellers, which eliminates the swirl in the water after leaving the propeller in the direction of travel, so that this water makes the rear propeller with higher energy in the direction of travel , but just as swirl-free as the front propeller.
- the guide apparatus is formed by guide vanes and a shaft which connects the nacelle or the underwater housing to the ship's hull.
- Such a drive is also described with some additional information in "THE MOTORSHIP", October 1996, pages 47, 48 "Double the props: half the problem".
- This additional information includes the indication that the underwater housing or the nacelle is optimized in terms of flow, without further details being given as to what this means in detail.
- the gondola in its streamlined design, is the bearer of the guide apparatus, but not part of the guide apparatus, which means that no information is given from which it could be concluded that the gondola functionally supports the guide apparatus.
- This cladding tube is the aforementioned shaft which, together with guide vanes, forms the guide apparatus.
- the cladding tube is rotatable at the upper end about its longitudinal axis the hull assigned and carries the nacelle at its lower end so that it can be assigned a servomotor which can forcibly rotate the cladding tube with the nacelle and the propellers assigned to it about the longitudinal axis of the cladding tube, so that the outflow direction of the rear propeller into the open water changes and there is a rudder double propeller system.
- the cladding tube is formed as part of the guide grill.
- the solution to this problem according to the invention consists in the combination of individual, appropriately selected individual problem solutions, not only for summation, but for potentiating the individual advantages to an overall concept that is optimal in its entirety.
- the ship propulsion system relates to a water jet propulsion system with two propellers at the ends of a propeller led out of a gondola outside the ship's hull, a propulsion system arranged in the gondola Energy from the ship's hull is fed through a cladding tube, one end of which is assigned to the ship's hull, the other end of which is assigned to the gondola, the cladding tube being part of a guide apparatus through which the propeller in the direction of travel of the watercraft at one end of the shaft and gondola arranged propeller with enriched flow energy leaving water jet swirl-free in order to supply the water jet leaving the front propeller with high energy but low swirl to the rear propeller in the direction of travel of the watercraft, for which purpose both propellers are driven by the drive in the nacelle in the same direction of rotation and in the area of the jet cross section in are essentially the same.
- the underwater housing or the nacelle has an optimized shape and the rear of the two propellers in the direction of travel of the watercraft has a special geometry in accordance with "Motorship Vol. 77, No. 915, October 1996, London, pages 47, 48" Double the props: helped the problem ".
- the two propellers have essentially the same diameter in such a way that the Direction of travel of the watercraft front propeller in the entire diameter range and the rear propeller in the direction of travel of the watercraft in the diameter range, which is determined by the jet contraction when leaving the front propeller, both different blade configurations, while the front propeller in the direction of travel of the watercraft and that in the direction of travel of the watercraft rear propellers in an annular area lying radially outside the diameter range determined by the jet contraction have the same blade configuration.
- the drive essentially consists of an electric motor 1 ⁇ in a housing 2 ⁇ outside, in particular below the hull and two propellers, 3 ⁇ , 4 ⁇ , which are driven by the electric motor 1 ⁇ .
- the two propellers will generally be structurally different, although they have 5 ⁇ tip circles with the same diameter and may have a similar wing geometry. They have the same direction of rotation and the same speed and, for example, flow in the same direction according to arrow A ⁇ .
- the electric motor 1 ⁇ is arranged waterproof in the underwater housing 2 2.
- the output shaft 7 ⁇ is guided out of it on both sides and is rotatably supported in the side of the motor in one of two bearings 8 ⁇ , 9 ⁇ of the housing 2 ⁇ .
- Seals are used for seals 10 ⁇ , 11 ⁇ on the side of bearings 8 ⁇ , 9 ⁇ between shaft 7 ⁇ and front housing walls 2a ⁇ , 2b ⁇ in connection with the formation of the end faces as parts of labyrinth seals .
- Outside the housing 2 ⁇ are flanged to the shaft 7 ⁇ stub shaft 12 ⁇ , 13 ⁇ , one of which is one of the two propellers 3 ⁇ , 4 ⁇ non-rotatable.
- hub caps 14 ⁇ , 15 ⁇ Close to the front of the housing 2 ⁇ hub caps 14 ⁇ , 15 ⁇ , with a continuous, streamlined outer contour with head 14 ⁇ in the area of the front propeller 3 ⁇ , middle part in the form of the housing 2 ⁇ and end part 15 ⁇ in the area of the rear propeller 4 ⁇ is formed.
- the housing 2 ⁇ facing end walls 14a ⁇ , 15a ⁇ of hub caps 14 ⁇ , 15 ⁇ are second parts of the labyrinth seals 16 ⁇ , 17 ⁇ whose first part the already mentioned end faces 2a ⁇ , 2b are ⁇ .
- the housing 2 ⁇ is held on the hull with a foot 18 ⁇ , which is hollow, the outer contour of which is part of the guide apparatus 19 ⁇ between the propellers 3 ⁇ , 4 ⁇ , the further, the housing 2 ⁇ associated blades, one of which the blade 18 ⁇ diametrically opposite blade is designated 20 ⁇ .
- the blades of the diffuser 19 ⁇ are evenly distributed around the longitudinal axis of the shaft 7 ⁇ and assigned to the housing 2 ⁇ .
- the propellers 3 ⁇ , 4 ⁇ are designed such that the initial working level of the second propeller 4 ⁇ is approximately the final working level of the first propeller 3 ⁇ and, in conjunction with the guide device 19 ⁇ , the output swirl of the first propeller 3 ⁇ as well as the input swirl of the second Propellers 4 ⁇ are purposefully influenced in such a way that little energy losses occur when the liquid passes from the first to the second propeller.
- the energy supply to the electric motor takes place through lines 21 ⁇ , which are brought into the foot 18 ⁇ and in the housing 2 ⁇ to the motor, which is why the interior of the foot 18 ⁇ and the housing 2 ⁇ are connected to each other.
- the entire drive is by appropriate assignment to the ship and an appropriate swivel mechanism known per se around the vertical longitudinal axis 22 ⁇ pivotable in the middle between the two propellers, optionally pivotable through 360 °, the axis 22 ⁇ being directed perpendicular to the axis of rotation of the shaft axis 23 achse .
- the drive essentially consists of an electric motor 1 .. in a housing 2 .. outside, in particular below the hull and two propellers 3 .. , 4 .. which are driven by the electric motor 1 ..
- the two propellers will generally be structurally different, although they have tip circles 5 .. with the same diameter and may have a similar wing geometry. They have the same direction of rotation and the same speed and, for example, flow in the same direction according to arrow A ..
- the electric motor 1 .. is arranged in the underwater housing 2 .. watertight.
- the output shaft 7 .. is guided out of it on both sides and laterally rotatably mounted in one of two bearings 8 .. , 9 .. of the housing 2 .. in the side of the motor.
- the seals serve seals 10 .. , 11 .. on the side of the bearings 8 .. , 9 .. between shaft 7 .. and front housing walls 2a .. , 2b .. in connection with the formation of the end faces as parts of labyrinth seals.
- Outside of the housing 2 .. are flanged to the shaft 7 .. stub shaft 12 .. , 13 ..
- the housing is connected to 2 .. hub caps 14 .. , 15 .. , with a continuous, streamlined outer contour with head 14 .. in the area of the front propeller 3 .. , middle part in the shape of the housing 2 .. and end part 15 . . in the region of the rear propeller 4 .. is formed.
- the housing 2 .. facing end walls 14a .., .. 15a of hub caps 14 .., 15 .. are second parts of the labyrinth seals 16 .., 17 .., the first parts, the already mentioned end faces 2a .., 2b.
- the housing 2 .. is held on the ship's hull with a foot 18 .. , which is hollow, the outer contour of which is part of the diffuser 19 .. between the propellers 3 .. , 4 .. , the other, assigned to the housing 2 .. having blades, of which the foot 18 .. diametrically opposite blade is indicated at 20 ...
- the blades of the diffuser 19 .. are distributed uniformly around the longitudinal axis of the shaft 7 .. and assigned to the housing 2 ..
- the propellers 3 .. , 4 .. are designed in such a way that the initial working level of the second propeller 4 .. is approximately the final working level of the first propeller 3 .. and in connection with the guide device 19 .. the initial twist of the first propeller 3 .. as well as the input twist of the second propeller 4 .. are influenced in a purposeful manner so that at most slight energy losses occur when the liquid passes from the first to the second propeller.
- the energy supply to the electric motor takes place through lines 21 .. , in the base 18 .. and in the housing 2 .. to the motor are introduced, which is why the interiors of the foot 18 .. and the housing 2 .. are connected.
- the entire drive In order to be able to use the drive not only to generate a thrust in the longitudinal direction of the ship (longitudinal axis of the drive shaft), but also to control the ship, the entire drive must be appropriately assigned to the ship and an appropriate swivel mechanism known per se about the vertical longitudinal axis 22 . . swiveling in the middle between the two propellers, possibly swiveling 360 ° all around; wherein the axis 22 .. is directed perpendicular to the axis of rotation of the longitudinal axis 23 ...
- Motor 1 .. is designed as a permanent synchronous motor and is therefore an electrical machine with a very high power density.
- the technology of such a motor makes it possible to design the housing 2 .. between the two propellers to be hydrosdynamic in such a way that a very high degree of efficiency is achieved.
- the foot 18 .. can be designed as a shaft, that it too has an optimal hydrodynamic design.
- the shaft 18 .. is formed in its lower, the housing 2 .. near area, so that it forms together with a second, diametrically opposite guide fin 20 .. a pair of guide fins and thus a guide device, so that an optimal inflow of water to the seen in the flow direction A .. second propeller 4 .. is possible.
- the guide fins end in the diameter circles 5 .. of the two propellers 3 .. , 4 ..
- a drive system is achieved that is characterized by an extreme Improved effectiveness both electrically and hydrodynamically.
- the design of the motor 1 .. as a permanent synchronous motor makes it possible to reduce the diameter of the housing 2 .. by up to 20% compared to other motors known per se.
- the advantages are obvious: only smaller masses and more favorable flow conditions or lower flow resistance should be mentioned.
- Another embodiment according to the invention relates to the rotor bearing of the permanent motor, which also includes the propeller shaft bearing.
- the rotor ie the drive shaft 7 .. is connected to the propeller shafts 12 .. , 13 .. via diaphragm couplings 23 .. , 24 .. . This allows a minimal air gap between the stator and rotor, which means a significant, additional improvement in efficiency.
- FIG. 3 shows a ship drive designed as a rudder double propeller with a drive machine arranged in the ship's hull and having a vertical drive shaft 1 . and propellers outside the hull.
- FIG. 3 acts on the upper end of the vertical drive shaft 1 .
- a drive machine consisting of engine and transmission to drive shaft 1 . with variable speed in rotation around its longitudinal axis 2 . to move.
- the lower end of the drive shaft 1 . is the input bevel gear 3 . an angular drive 3 . ; 4. non-rotatably assigned, which is in operative connection with the output bevel gear 4 . of the bevel gear 3 . ; 4. stands.
- the output bevel gear 4 rotatably supports a horizontal output shaft 5 extending in both directions . , at the free ends of each a propeller 6 . , 7th is rotatably arranged.
- the propellers will generally be structurally different, although top circles 14 . with the same diameter and similar wing geometries may be possible. Due to the common assignment to output shaft 5 . same direction of rotation and the same speed and are, for example, according to the arrow A. flowed in the same direction.
- the bevel gear 3 . ; 4. is from a housing 9 . surrounded in which by means of two bearings 10 . , 11th the output shaft 5 . is rotatably mounted.
- the underwater part of the drive system can be inside a nozzle 12 . be arranged.
- the front propeller 6 generates a residual or re-swirl in its outflow, which represents lost energy.
- the downstream, co-rotating propeller 7 becomes with the outflow of the front propeller. Without a guide device between the two propellers 6 . , 7th the above-mentioned unfavorable outflow would lead to increased cavitation and increased energy losses.
- a guide device 8 provided, with which the Nachdrall of the front propeller. 6 is judged.
- lost energy is recovered by generating a propulsive force in the flow around the guide device.
- the second propeller 7 takes this criterion into account . preferably one from the first propeller 6 . have different structural designs.
- the control device 8 . 3 consists of two guide vanes 8a . and 8b . , the one guide vane 8a . through which the vertical drive shaft 1 . surrounding casing tube 9a . is formed.
- the second guide vane 8b . is located on the bottom 9b . the horizontal output shaft 5 . surrounding housing 9 . , ie offset by 180 ° from the first guide vane.
- Both guide vanes 6 . , 7th form with the overall housing 9 . , 9a . a unit.
- the drive essentially consists of an electric motor 1 in a housing 2 outside, in particular below of the hull and two propellers 3, 4, which are driven by the electric motor 1.
- the two propellers will generally be structurally different, although they have tip circles 5 with the same diameter and may have a similar wing geometry. They have the same direction of rotation and the same speed and, for example, flow in the same direction according to arrow A (FIG. 1).
- the electric motor 1 is arranged watertight in the underwater housing 2.
- the output shaft 7 is guided out of it on both sides and is rotatably supported in the side of the motor in one of two bearings 8, 9 of the housing 2.
- the seal is provided by seals 10, 11 on the side of bearings 8, 9 between shaft 7 and end housing walls 2a, 2b in connection with the formation of the end faces as parts of labyrinth seals.
- shaft ends 12, 13 are flanged to the shaft 7, each of which carries one of the two propellers 3, 4 in a rotationally fixed manner.
- hub caps 14, 15 connect to the housing, a continuous, streamlined outer contour with head 14 being formed in the area of the front propeller 3, middle part in the form of the housing 2 and end part 15 in the area of the rear propeller 4.
- the end walls 14a, 15a of the hub caps 14, 15 facing the housing 2 are second parts of the labyrinth seals 16, 17, the first parts of which are the end surfaces 2a, 2b already mentioned.
- the housing 2 is held on the ship's hull with a foot 18 which is hollow, the outer contour of which is part of the guide apparatus 19 between the propellers 3, 4 and which has further blades associated with the housing 2, one of which has a blade diametrically opposite the foot 18 is designated by 20.
- Overall are the blades of the diffuser 19 uniformly distributed around the longitudinal axis of the shaft 7 and assigned to the housing 2.
- the propellers 3, 4 are designed such that the initial working level of the second propeller 4 is approximately the final working level of the first propeller 3 and, in conjunction with the guide device 19, the output swirl of the first propeller 3 and the input swirl of the second propeller 4 are purposefully influenced that at most small energy losses occur when the liquid passes from the first to the second propeller.
- the energy supply to the electric motor takes place through lines 21 which are brought to the motor in the foot 18 and in the housing 2, which is why the interiors of the foot 18 and the housing 2 are connected to one another.
- the entire drive In order to be able to use the drive not only to generate a thrust in the longitudinal direction of the ship (longitudinal axis of the drive shaft), but also to steer the ship, the entire drive must be appropriately assigned to the ship and an appropriate swivel mechanism known per se about the vertical longitudinal axis 22 in the middle between the two propellers can be pivoted, possibly pivoted 360 ° all around, the axis 22 being directed perpendicular to the axis of rotation of the shaft axis 23.
- the electric motor 1 is a permanently excited synchronous motor with the permanent magnet rotor 25 and the stator laminated core 26. Such motors are known per se, which is why the electric motor designed as a permanently excited synchronous motor does not have to be described in detail either.
- Such a permanently excited synchronous motor 1 is now arranged in a further embodiment in the nacelle-like housing 2 such that the continuous propeller shaft 12, 13 and the rotor 25 have a common bearing with the two bearings 8, 9. Specifically, this is done in such a way that the permanent rotor 25 is seated on a support tube 27 which it concentrically surrounds and which, near its two ends, is assigned to the propeller shaft 12, 13 in a rotationally fixed manner via one of two annular membrane couplings 28, 29, with both shaft ends the diaphragm coupling 28 or 29 and the associated bearing 8 or 9 are close together. Because the propeller shaft and the electric motor tube have a common bearing, component minimization and increased reliability of the drive unit are achieved.
- an integration of the underwater housing shaft 18 (referred to as “foot” in connection with FIG. 1) in the drive is possible in a particularly expedient manner.
- This housing shaft can be made very slim, which considerably reduces the flow resistance of the system.
- This slim underwater housing shaft 18 is profiled in cross-section so that in connection with a lateral pair of guide fins offset by 90 ° (not shown) and the counter fin 20 offset by 180 °, an additional jet swirl of the propeller outflow of the front propeller 3 is achieved, which improves the efficiency means that the concept on which the drive is based should bring the two essentially identical and rotating propellers (speed and direction of rotation).
- a parking brake for holding the propeller shaft 12, 13 and thus the assembly, the parts of which are the propeller shaft, is arranged within the underwater pod 2 and is identified by 33.
- Rudder propellers mountable / demountable on a floating ship are offered by various rudder propeller manufacturers.
- the corresponding assembly effort is still considerable.
- the present invention in particular in the embodiment according to FIGS. 2, 3, enables a greatly simplified underwater assembly / disassembly at the separation point of the underwater housing shaft support cone.
- the underwater housing shaft is also identified in FIG. 3 by the reference symbol 18, its upper end lies in the plane 24 of the ship's outer skin and is connected to the supporting cone 30.
- the support cone is mounted in a control bearing 31 in the support structure of a ship.
- This control bearing 31 has an inner ring 31a with an inner ring gear 31b and this inner bearing ring 31a is firmly assigned to the outer circumference of the support cone 30.
- the outer ring 31c interacts with the inner ring via the rolling elements and it is firmly integrated into the supporting structure of the ship.
- the pinion (not shown) of a drive (not shown) engages in the inner ring gear of the inner ring of the control bearing, so that the entire drive can be rotated through 360 ° about the longitudinal axis 22 to control the ship.
- the detachable connection between housing shaft 18 and support cone 30 is symbolized by a flange connection 32.
- the front propeller 3 in the inflow direction A has optimal blading for increasing the energy of the fluid.
- the rear propeller 4 in the inflow direction A has the same blading in a peripheral area.
- This peripheral area surrounds a central area in which the blading deviates from that of the front propeller 3, as has been described several times above, ie it increases the energy increased in the first propeller again from this energy level after that of the first propeller 3 leaving fluid swirled in the diffuser 19 and the energy loss caused by the swirl was compensated.
- the core and peripheral areas are separated from one another by the contraction surface 100, ie the lateral surface which surrounds the flowing fluid after it has left the first propeller 3 and which circumscribes a cross section which is significantly smaller than the inflow cross section.
- the second propeller is consequently flowed by the fluid B in the same way as the first propeller by the fluid, which is indicated by the arrows A.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
- Fluid-Pressure Circuits (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29619385U | 1996-11-07 | ||
DE29619385U DE29619385U1 (de) | 1996-11-07 | 1996-11-07 | Schiffsantrieb mit einem Ruderpropeller |
DE1996148417 DE19648417A1 (de) | 1996-11-22 | 1996-11-22 | Schiffsantrieb mit einem Ruderpropeller |
DE19648417 | 1996-11-22 | ||
DE29707028U | 1997-04-18 | ||
DE29707028U DE29707028U1 (de) | 1996-11-07 | 1997-04-18 | Schiffsantrieb mit einem Ruderpropeller |
PCT/EP1997/006207 WO1998019907A1 (de) | 1996-11-07 | 1997-11-07 | Doppelpropeller-antrieb für wasserfahrzeuge |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0935553A1 EP0935553A1 (de) | 1999-08-18 |
EP0935553B1 true EP0935553B1 (de) | 2001-09-19 |
Family
ID=27216860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97950145A Expired - Lifetime EP0935553B1 (de) | 1996-11-07 | 1997-11-07 | Doppelpropeller-antrieb für wasserfahrzeuge |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0935553B1 (no) |
JP (1) | JP3214568B2 (no) |
KR (1) | KR100306261B1 (no) |
CN (1) | CN1080677C (no) |
CA (1) | CA2271034C (no) |
DK (1) | DK0935553T3 (no) |
ES (1) | ES2163204T3 (no) |
HK (1) | HK1023971A1 (no) |
NO (1) | NO324212B1 (no) |
PT (1) | PT935553E (no) |
WO (1) | WO1998019907A1 (no) |
Cited By (2)
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DE102004008805A1 (de) * | 2004-02-20 | 2005-09-22 | Siemens Ag | Zweipropellerantrieb für Schiffe |
CN109863082A (zh) * | 2016-08-09 | 2019-06-07 | 艾特赛富公司 | 由驱动轴制动及锁定***构成的用于船舶的驱动单元 |
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ATE280709T1 (de) * | 1998-12-21 | 2004-11-15 | Mitsubishi Heavy Ind Ltd | Azimut-vortriebsvorichtung und damit ausgerüstetes schiff |
FI115042B (fi) * | 2000-01-28 | 2005-02-28 | Abb Oy | Aluksen moottoriyksikkö |
US6244912B1 (en) * | 2000-03-20 | 2001-06-12 | Electric Boat Corporation | Strut-mounted marine propulsion unit |
DE10044101A1 (de) * | 2000-09-07 | 2002-04-04 | Schottel Gmbh & Co Kg | Antrieb für schnelle Wasserfahrzeuge |
JP4674841B2 (ja) * | 2001-06-08 | 2011-04-20 | ヤマハ発動機株式会社 | 小型船舶における電動式推進装置 |
KR100933096B1 (ko) * | 2001-08-30 | 2009-12-21 | 지멘스 악티엔게젤샤프트 | 해군 선박용 초전도 전기장치들 |
CA2611392C (en) * | 2005-06-09 | 2012-09-11 | Schottel Gmbh & Co. Kg | Ship propulsion unit and ship propulsion method |
EP2432689B1 (en) * | 2009-05-22 | 2013-07-17 | Bell Helicopter Textron Inc. | Co-rotating stacked rotor disks for improved hover performance |
US20110263165A1 (en) * | 2010-04-26 | 2011-10-27 | Twin Disc, Inc. | Electric Marine Surface Drive |
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GB515469A (en) * | 1938-03-05 | 1939-12-06 | John Taylor Mcintyre | Improvements in cased screw propeller type fans, pumps and the like |
US2691356A (en) * | 1950-11-28 | 1954-10-12 | Waterval William | Multiple propeller drive for ships |
DE1094622B (de) * | 1957-10-12 | 1960-12-08 | Volkswerft Stralsund Veb | Doppelpropeller, vorzugsweise fuer Schiffe |
GB832164A (en) * | 1958-09-26 | 1960-04-06 | Murray & Tregurtha Inc | Reversible propeller |
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FI79991C (fi) * | 1986-04-29 | 1990-04-10 | Hollming Oy | Propelleranordning foer ett fartyg. |
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DE29619385U1 (de) * | 1996-11-07 | 1997-03-13 | Schottel-Werft Josef Becker GmbH & Co KG, 56322 Spay | Schiffsantrieb mit einem Ruderpropeller |
-
1997
- 1997-11-07 PT PT97950145T patent/PT935553E/pt unknown
- 1997-11-07 EP EP97950145A patent/EP0935553B1/de not_active Expired - Lifetime
- 1997-11-07 CN CN97199553A patent/CN1080677C/zh not_active Expired - Fee Related
- 1997-11-07 ES ES97950145T patent/ES2163204T3/es not_active Expired - Lifetime
- 1997-11-07 JP JP52107598A patent/JP3214568B2/ja not_active Expired - Fee Related
- 1997-11-07 DK DK97950145T patent/DK0935553T3/da active
- 1997-11-07 WO PCT/EP1997/006207 patent/WO1998019907A1/de active IP Right Grant
- 1997-11-07 CA CA002271034A patent/CA2271034C/en not_active Expired - Fee Related
-
1999
- 1999-05-04 KR KR1019997003942A patent/KR100306261B1/ko not_active IP Right Cessation
- 1999-05-06 NO NO19992215A patent/NO324212B1/no not_active IP Right Cessation
-
2000
- 2000-05-24 HK HK00103085A patent/HK1023971A1/xx not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004008805A1 (de) * | 2004-02-20 | 2005-09-22 | Siemens Ag | Zweipropellerantrieb für Schiffe |
DE102004008805B4 (de) * | 2004-02-20 | 2008-08-14 | Siemens Ag | Zweipropellerantrieb für Schiffe |
CN109863082A (zh) * | 2016-08-09 | 2019-06-07 | 艾特赛富公司 | 由驱动轴制动及锁定***构成的用于船舶的驱动单元 |
CN109863082B (zh) * | 2016-08-09 | 2021-11-16 | 艾特赛富公司 | 由驱动轴制动及锁定***构成的用于船舶的驱动单元 |
Also Published As
Publication number | Publication date |
---|---|
CA2271034A1 (en) | 1998-05-14 |
KR100306261B1 (ko) | 2001-09-24 |
KR20000053042A (ko) | 2000-08-25 |
CN1080677C (zh) | 2002-03-13 |
WO1998019907A1 (de) | 1998-05-14 |
JP2000515095A (ja) | 2000-11-14 |
HK1023971A1 (en) | 2000-09-29 |
NO324212B1 (no) | 2007-09-10 |
NO992215D0 (no) | 1999-05-06 |
PT935553E (pt) | 2002-03-28 |
CN1236347A (zh) | 1999-11-24 |
NO992215L (no) | 1999-05-06 |
JP3214568B2 (ja) | 2001-10-02 |
CA2271034C (en) | 2004-06-22 |
ES2163204T3 (es) | 2002-01-16 |
DK0935553T3 (da) | 2002-01-28 |
EP0935553A1 (de) | 1999-08-18 |
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