EP2217487A2 - Système de propulsion de bateau à hydrojet - Google Patents

Système de propulsion de bateau à hydrojet

Info

Publication number
EP2217487A2
EP2217487A2 EP08858136A EP08858136A EP2217487A2 EP 2217487 A2 EP2217487 A2 EP 2217487A2 EP 08858136 A EP08858136 A EP 08858136A EP 08858136 A EP08858136 A EP 08858136A EP 2217487 A2 EP2217487 A2 EP 2217487A2
Authority
EP
European Patent Office
Prior art keywords
ship propulsion
pump
pump jet
housing
rotor
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
EP08858136A
Other languages
German (de)
English (en)
Other versions
EP2217487B1 (fr
Inventor
Gerd Krautkrämer
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.)
Schottel GmbH
Original Assignee
Schottel GmbH
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 Schottel GmbH filed Critical Schottel GmbH
Publication of EP2217487A2 publication Critical patent/EP2217487A2/fr
Application granted granted Critical
Publication of EP2217487B1 publication Critical patent/EP2217487B1/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
    • B63H11/00—Marine propulsion by water jets
    • B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
    • B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H11/00—Marine propulsion by water jets
    • B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
    • B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
    • B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H11/00—Marine propulsion by water jets
    • B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
    • B63H11/10—Marine propulsion by water jets the propulsive medium being ambient water having means for deflecting jet or influencing cross-section thereof

Definitions

  • the present invention relates to a marine propulsion with a pump jet according to EP 0 612 657.
  • Such marine propulsion systems are also known in practice and contain a Pumpj et as a main and / or auxiliary drive.
  • the energy is supplied, for example, on the one hand via a transmission, which is optionally preceded by a diesel, electric or hydraulic motor, or directly via an impeller shaft by means of a motor arranged outside the drive.
  • the electric motors used are conventional electric motors.
  • the present invention has and achieves the goal of further improvement, in particular with regard to simplification of the design, efficiency of the propulsion and expansion of the possible uses.
  • the invention provides a marine propulsion with a Pumpj et containing a pump housing and a drive motor, wherein the drive motor is a built-in pump housing magnet motor.
  • the invention provides a marine propulsion with a Pumpj et containing a pump housing and a drive motor, wherein the drive motor is integrated in the pump housing high-temperature superconductor motor.
  • the Pumpj et is completely controllable.
  • the magnetic motor or high-temperature superconducting motor includes a rotor which is part of an impeller of Pumpjet.
  • a further preferred embodiment is that the magnetic motor or high-temperature superconducting motor includes a stator which is part of a diffuser inner ring of the pump jet.
  • the pumped medium in particular also serves alone as a lubricant and / or coolant.
  • the drive of the Pumpjet is free of force-transmitting parts, such as teeth, bearings and / or shafts.
  • deflecting means are provided, which are arranged and / or formed in an interior of the diffuser housing ses.
  • the deflecting means are arranged and / or formed so as to free a turbulence in the interior of the diffuser housing from turbulence and / or so that exits through a nozzle of the pump jet water as possible without internal turbulence or that by individual nozzles a desired Amount of water per time, in particular the same amount of water per time, and / or possibly exits without internal turbulence in order to achieve an optimal thrust effect of Pumpjet.
  • the deflection devices contain at least one shape of the interior of the diffuser housing.
  • a further preferred embodiment in this context is that the deflection devices contain a region with a constant cross-sectional profile of the interior of the diffuser housing, and / or that the deflecting device tions contain a region with a reduced cross-sectional profile of the interior of the diffuser housing, and / or that the deflection means comprise an area with an enlarged cross-sectional profile of the interior of the diffuser housing.
  • the deflection devices may alternatively or additionally contain at least one guide vane in the interior of the diffuser housing.
  • the rotor includes a rotation axis that is not aligned with a control axis of the pump jet.
  • the axis of rotation of the rotor is offset with respect to the control axis of the pump jet, wherein more preferably the axis of rotation of the rotor and the control axis of the pump jet are parallel.
  • the axis of rotation of the rotor and the control axis of the pump jet are inclined relative to one another, and in particular the axis of rotation of the rotor and the control axis of the pump jet intersect at a point.
  • FIG. 1 is a schematic sectional view of a first embodiment of a ship propulsion with a Pumpj et shows, - A -
  • Fig. 2 shows a schematic perspective view of the marine propulsion system with a pump jet of the first embodiment
  • Fig. 3 is a schematic view of the marine propulsion with a Pumpj et of the first embodiment from below, i. with a pump hull attached to a ship's hull, looking in the direction of the ship's hull,
  • Fig. 4 is a schematic view of the marine propulsion with a Pumpj et of the first embodiment from the inside out, i. with a pump jet attached to a ship's hull looking away from the ship's hull,
  • Fig. 5 shows in a schematic sectional view of a second embodiment of a marine propulsion with a Pumpj et shows
  • Fig. 6 shows a schematic sectional view of a third embodiment of a marine propulsion with a Pumpj et shows.
  • a ship propulsion S with a Pumpj et P is shown schematically in a longitudinal section.
  • the Pumpj et P includes a magnetic motor M, which is integrated into the flow or pump housing G, as a drive motor with a stator or stator 1 and a rotor or rotor 2.
  • the rotor 2 is designed as an impeller outer ring I, and the stator 1 is in a diffuser inner ring D of the pump housing G integrated, which contains a diffuser housing 3 or is formed as a whole.
  • To the Pumpj et P still include a control motor 4, a control gear 5 with, for example, a spur gear R and a receipt transmitter 6 and a well plate. 7
  • FIG. 2 shows the ship's propulsion S with the pump jet P of the first exemplary embodiment in a schematic perspective view.
  • Fig. 3 shows the marine propulsion S with the Pumpj et P of the first embodiment in a schematic view from below, ie when attached to a ship's hull Pumpj et in the direction of the ship's hull.
  • FIG. 4 shows the ship propulsion S with the pump jet P of the first exemplary embodiment in a schematic view from the inside to the outside, ie when the pump body is attached to a hull in the direction of the ship's hull.
  • it is a completely controllable marine propulsion S whose pump jet P is rotatable through 360 °.
  • a high-temperature superconductor or HTSC motor (not shown separately) may be provided for the drive, with the rotor / rotor 2 in each case forming part of the impeller Is I and the stator / stator 1 is an integral part of the diffuser inner ring D.
  • the Pumpjet P By driving the pump jet P with a magnetic motor M or HTS engine no gear parts, such as teeth, shafts, bearings are required. As a result, the Pumpjet P can be classified as very low noise and low vibration as well as with high efficiency. Furthermore, no oil filling for lubrication and cooling of rotating parts is required, which characterizes the Pumpj et P as oil-free and low maintenance.
  • the pump housing G which contains the diffuser housing 3 or is formed as such, in bearings 8 relative to the well plate 7 about a control axis A is preferably rotated by 360 °, so that nozzles 9, of which in the sectional view In Fig. 1, only one central nozzle 9b of three nozzles 9a, 9b and 9c (see Figs. 2, 3 and 4) can be seen, can be controlled in a desired direction.
  • a suction opening 10 water is sucked by means of the rotor 2 into an interior 11 of the diffuser housing 3.
  • the water jet thus flowing into the interior 11 of the diffuser housing 3 is deflected by the shape of the interior 11 of the diffusor housing 3, so that it emerges from the pump housing G through the nozzles 9, just in accordance with its rotational position set by the control motor 4 into a desired position Direction. Since the shaping of the interior 11 of the diffuser housing 3 results in a deflection of the water flow which enters the interior 11 of the diffuser housing 3 through the suction opening 10, the diffuser housing 3 or the pump housing G is thus at the same time also a deflection housing.
  • the shape is in the first embodiment shown in FIG.
  • a guide blade 13 is provided as part of the deflection devices 12.
  • a plurality of and / or differently placed and configured guide vanes may also be provided.
  • the vanes such as the vane 13, fulfill the purpose that the swirled by the rapidly rotating rotor 2 and directed into the interior 11 of the diffuser or deflector 3 entering or sucked water flow in combination with the deflectors 12 so "Entwirbelt" and so is directed that exits through the individual nozzles 9a, 9b and 9c, for example, the same amount or generally a desired amount of water per time as possible without internal turbulence in order to achieve an optimal thrust effect of the pump jet P.
  • a second embodiment of a marine propulsion S with a Pumpj et P is shown in a similar to the representation of FIG. 1 schematic sectional view. To avoid repetition, reference is made to the description of the first embodiment according to FIGS. 1 to 4 with regard to all components, their arrangement and effect.
  • the rotor 2 is provided with a relative to the control axis A of the pump jet P offset rotation axis B in the second embodiment.
  • the control axis A of Pumpj set P and the axis of rotation B of the rotor 2 are aligned parallel to each other.
  • the deflection means 12 as far as they are formed by the shape of the inner space 11 of the diffuser or deflection housing 3 or the pump housing G, in the present second embodiment shown in FIG. 5 in comparison to the embodiment in the first embodiment shown in FIG the rotor 2 around no longer uniform.
  • the deflection devices 12 have a region 12a with a smaller cross-sectional profile and a region 12b with a larger cross-sectional profile; on the other hand, the cross-sectional shape in the entire region 12 c in the first embodiment according to FIG. 1 is constant.
  • a cross-section which increases in size to the nozzles 9 in accordance with the region 12b-in relation to the cross-section in the region 12a-of the second exemplary embodiment according to FIG. 5 has, for example, a diffusion or diffuser effect.
  • FIG. 6 shows, in a schematic sectional illustration analogous to the representations of FIGS. 1 and 5, a third exemplary embodiment of a ship propulsion S with a pump jet P. To avoid repetition, reference is made to the description of the first embodiment according to FIGS. 1 to 4 with regard to all components, their arrangement and effect.
  • the rotor 2 has a rotation axis B which is inclined with respect to the control axis A of the pump jet P.
  • the control axis A of the pump jet P and the axis of rotation B of the rotor 2 diverges at a point Z.
  • the deflection 12 as far as they are formed by the shape of the inner space 11 of the diffuser or deflection housing 3 or the pump housing G, in Compared to the embodiment in the first embodiment shown in FIG. 1 about the rotor 2 around due to its inclination no longer uniform.
  • the deflection devices 12 again have, as in the second exemplary embodiment according to FIG. 5, a region 12a with a smaller cross-sectional profile and a region 12b with a larger cross-sectional profile;
  • the cross-sectional profile in the entire region 12 c in the first exemplary embodiment according to FIG. 1 is constant.
  • a cross-section which increases in size towards the nozzles 9 in accordance with the region 12b-in relation to the cross-section in the region 12a-of the second exemplary embodiment according to FIG. 6 has, for example, a diffusion or diffuser effect.
  • the deflecting devices 12 terminates with the region 12a with a smaller cross-sectional profile and the region 12b with a larger cross-sectional profile.
  • the regions 12a and 12b are not even in cross-section constant in a peripheral portion of the bead or annular inner space 11 of the diffuser or deflection housing 3 or the pump housing G, as is the case with the second embodiment according to FIG. 5.
  • the inclination of the axes relative to one another is not necessarily to be combined with non-uniform configuration of the deflecting devices 12 in the interior 11 of the diffuser or deflection housing 3 or of the pump housing P.
  • the aspect that the axis of rotation B of the impeller I or rotor 2 and the control axis A of the pump jet P are not aligned, or in other words do not lie on top of each other or are congruent, can also be used as an independent invention and therefore worthy of its own protection regardless of the embodiment of the invention
  • Ship propulsion S with a pump housing P and containing a pump housing G and a drive motor, wherein the drive motor is a built-in the pump housing G magnetic motor M or high-temperature superconducting motor, are considered invention.
  • the non-aligned arrangement of the axis of rotation B of the impeller I or rotor 2 and the control axis A of Pumpj set P is the universal formulation that covers the embodiments of FIGS.
  • the rotor 2 in which in the second embodiment, the rotor 2 with a With respect to the control axis A of the pump jet P offset rotational axis B is provided or in the third embodiment, the rotor 2 has a rotation axis B which is inclined with respect to the control axis A of the pump jet P, wherein in particular, but not necessarily, the control axis A of Pumpjets P and the axis of rotation B of rotor 2 in a point Z divide.
  • an electric motor E such as in particular an asynchronous motor, synchronous motor or Permanent magnet motor may be provided, which is placed on the pump housing G or partially integrated therein.
  • an electric motor E is only indicated in FIGS. 5 and 6 in connection with the second and third embodiments for clarity by dashed lines. If such an electric motor E is provided, it replaces the magnetic motor M or the HTSC motor, which is provided in the first embodiment shown in FIG.
  • an electric motor E as a drive motor mounted on the pump housing G or partially integrated power transmission parts, such as teeth, rolling bearings and / or waves are required to ensure the rotational connection between such a drive motor and the impeller of the pump jet P, but for themselves belongs to the standard knowledge of a person skilled in the art and in so far not part of the present invention and also not of the invention aspect is that the axis of rotation B of the rotor 2 and the control axis A of the pump jet P not ' aligned.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

La présente invention concerne un système de propulsion de bateau (S) comprenant un hydrojet (P) qui comporte un carter de pompe (G) et un moteur d'entraînement. Le moteur d'entraînement est un moteur magnétique (M) intégré dans le carter de pompe (G).
EP08858136.8A 2007-12-05 2008-12-05 Système de propulsion de bateau à hydrojet Not-in-force EP2217487B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007016992 2007-12-05
PCT/DE2008/002042 WO2009071077A2 (fr) 2007-12-05 2008-12-05 Système de propulsion de bateau à hydrojet

Publications (2)

Publication Number Publication Date
EP2217487A2 true EP2217487A2 (fr) 2010-08-18
EP2217487B1 EP2217487B1 (fr) 2019-10-09

Family

ID=40622142

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08858136.8A Not-in-force EP2217487B1 (fr) 2007-12-05 2008-12-05 Système de propulsion de bateau à hydrojet

Country Status (8)

Country Link
US (1) US8550862B2 (fr)
EP (1) EP2217487B1 (fr)
JP (1) JP5634873B2 (fr)
KR (1) KR101614553B1 (fr)
CN (1) CN102007034A (fr)
CA (1) CA2704391C (fr)
RU (1) RU2010127359A (fr)
WO (1) WO2009071077A2 (fr)

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Publication number Priority date Publication date Assignee Title
CA2744917A1 (fr) * 2008-12-05 2010-06-10 Schottel Gmbh Entrainement marin comportant un gicleur de pompe
DE202017103810U1 (de) 2017-06-27 2017-07-20 RENUS Gesellschaft für Innovation mbH Außenliegender elektrischer Jetantrieb für ein Schiff
CN108082430A (zh) * 2017-12-18 2018-05-29 熊迎芬 船舶动力装置
GB2582818B (en) 2019-04-05 2022-02-16 Dyson Technology Ltd Vehicle vent assembly
GB2582819B (en) * 2019-04-05 2024-01-03 Dyson Technology Ltd Vehicle vent assembly
ES1286659Y (es) 2021-10-25 2022-05-09 Sedeno Jordi Monfort Dispositivo propulsor

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Also Published As

Publication number Publication date
KR20100089832A (ko) 2010-08-12
JP5634873B2 (ja) 2014-12-03
RU2010127359A (ru) 2012-01-10
WO2009071077A3 (fr) 2010-10-28
CN102007034A (zh) 2011-04-06
JP2011509857A (ja) 2011-03-31
WO2009071077A2 (fr) 2009-06-11
CA2704391C (fr) 2015-10-20
CA2704391A1 (fr) 2009-06-11
EP2217487B1 (fr) 2019-10-09
US20100267295A1 (en) 2010-10-21
KR101614553B1 (ko) 2016-04-21
US8550862B2 (en) 2013-10-08

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