EP1687201B1 - Propulsion par reaction - Google Patents

Propulsion par reaction Download PDF

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Publication number
EP1687201B1
EP1687201B1 EP04802733A EP04802733A EP1687201B1 EP 1687201 B1 EP1687201 B1 EP 1687201B1 EP 04802733 A EP04802733 A EP 04802733A EP 04802733 A EP04802733 A EP 04802733A EP 1687201 B1 EP1687201 B1 EP 1687201B1
Authority
EP
European Patent Office
Prior art keywords
rotor
bearing
housing
jet propulsion
propulsion engine
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.)
Not-in-force
Application number
EP04802733A
Other languages
German (de)
English (en)
Other versions
EP1687201A1 (fr
Inventor
Reinhard Gabriel
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.)
Voith Turbo Advanced Propeller Technologies GmbH and Co KG
Original Assignee
Air Fertigung Technologie GmbH and Co KG
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 Air Fertigung Technologie GmbH and Co KG filed Critical Air Fertigung Technologie GmbH and Co KG
Publication of EP1687201A1 publication Critical patent/EP1687201A1/fr
Application granted granted Critical
Publication of EP1687201B1 publication Critical patent/EP1687201B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/16—Propellers having a shrouding ring attached to blades
    • 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
    • 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
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/16—Propellers having a shrouding ring attached to blades
    • B63H2001/165—Hubless propellers, e.g. peripherally driven shrouds with blades projecting from the shrouds' inside surfaces
    • 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
    • B63H2023/005—Transmitting power from propulsion power plant to propulsive elements using a drive acting on the periphery of a rotating propulsive element, e.g. on a dented circumferential ring on a propeller, or a propeller acting as rotor of an electric motor
    • 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
    • B63H2025/425—Propulsive elements, other than jets, substantially used for steering or dynamic anchoring only, with means for retracting, or otherwise moving to a rest position outside the water flow around the hull

Definitions

  • the invention relates to a jet propulsion, in particular for watercraft with a rotor, on the inside of which blades are arranged and a housing in which the rotor is rotatably mounted.
  • Such a jet propulsion system is known, for example, from US 2001/029133 which discloses all the features of the preamble of claim 1, and DE 39 12 910 C2, in which case the rotor is designed in the form of a tube with an internal screw.
  • the drive of the motor can be realized mechanically or in the form of an electric ring motor in which the rotor thus forms part of the electric motor.
  • Ball or roller bearings must be sealed in particular when using the jet propulsion for watercraft against ingress of water.
  • the invention is therefore based on the object for the above-mentioned jet propulsion propose a storage that ensures a long service life.
  • the storage should also allow the realization of large rotor diameters for high performance jet engines.
  • This object is achieved in that the storage between rotor and housing seawater-proof carbide has.
  • silicon carbide or aluminum carbide is used, since these two materials, in particular silicon carbide high resistance to salt water and on the other hand have the necessary strength.
  • the bearing in the rotor and / or the bearing in the housing is formed from a plurality of bearing segments.
  • the housing surrounds the rotor such that there is a cavity between the outside of the rotor and the inside of the housing.
  • both sides of the bearing segments on the rotor can space, so that on both sides of a pumping action in the direction of the cavity and the cavity towards the outside, for example, through a bore in the housing or more holes in the housing to open, so that the desired flow for cooling the bearings and the Elektroringmotors can arise.
  • fixation of the bearing segments on the rotor or housing is conveniently carried out by positive engagement, for example by means of a trapezoidal geometry and possibly subsequent gluing.
  • Figure 1 shows a side view of a jet propulsion for watercraft, which is based on the drive concept of a Elektroringmotors.
  • part of a boat hull 19 is shown with an opening 20 through which the jet drive can be extended and retracted.
  • a shaft 21 is formed, in which the jet drive is received in the retracted state.
  • the jet drive has a rotor 1, on the inside of which inwardly directed blades 2 are arranged.
  • the blades 2 are fixed by clamping on the rotor 1 and can each be replaced individually.
  • the rotor 1 is accommodated in a housing 3, which in turn is connected to a holder 4.
  • the holder 4 has a flange 5 towards the housing 3 and is connected via the flange 5 to the housing 3.
  • the holder 4 is designed as a hydraulic cylinder which is fixed at its upper end via a screw 6 to a cover 7 of the shaft 21.
  • the boat is an unillustrated generator or other power source, usually a diesel generator, which supplies the jet engine via a line 8 with the necessary power.
  • a diesel generator which supplies the jet engine via a line 8 with the necessary power.
  • Retraction and extension and control can thus be done via the hydraulic cylinder 4. This has for this purpose only at the top of an inlet 25 and outlet 26.
  • a sealing plate 27 is arranged with sealing bead 28 to hold the water from the upper part of the shaft.
  • the opening 20 is closable via a Lammellenrolo 29, which via a drive 30, for. also in the form of a hydraulic or pneumatic cylinder can be closed.
  • this can be used as the main drive and also only as an additional maneuvering aid, since it can easily be swiveled through 360 ° and, due to its low weight, can easily be turned on and pulled out.
  • FIG. 2 essentially shows the section AA from FIG. 1, wherein only the inner life between the rotor 1 and the housing 3 is shown and a representation of the blades 2 has been dispensed with.
  • Figure 3 shows the lower part of Figure 2 in an enlarged view.
  • the rotor 1 consists essentially of the two rotor parts 1a and 1b, which are screwed together and clamped between them receive an electric motor rotor ring 9 on its outside centric.
  • the retaining flanges 10a and 10b for fixing the blade segments are respectively provided on the sides of the rotor.
  • the rotor 1 is surrounded like a shell of the housing 3, wherein the housing 3 is also formed of two housing elements 3a and 3b, which are screwed together as well as the rotor parts 1a and 1b and clamped between them receive an 11 for the electric motor.
  • the rotor 1 is mounted relative to the housing 3 via two slide bearings 12a and 12b so that a minimum air gap 13 results between the electric motor rotor ring 9 and the stator ring 11.
  • the bearings 12a and 12b are designed as carbide bearings in the form of silicon or aluminum carbide.
  • carbide is seawater resistant and on the other hand has very good slip properties in combination with water.
  • a sliding bearing 12a or 12b consists of a rotor bearing 14, which is essentially rectangular on its free outer sides, and two essentially radially and axially arranged housing bearings 15, which are arranged on the outer sides of the rotor bearing 14.
  • the rotor bearing 14 and the housing bearing 15 can be made in one piece.
  • rotor bearing 14 and housing bearings 15 can be made in one piece.
  • FIG 4 shows schematically in perspective view the multi-part design of the housing bearing 15.
  • the housing bearings 15 are formed in cross-section substantially trapezoidal, so that they can be inserted into trapezoidal grooves in the housing. Due to the trapezoidal design, the housing bearings are thus fixed in a form-fitting manner in the housing 3. In addition, these can still be glued.
  • the bearing segments 15 as shown in FIG. 4 can be spaced apart by a certain distance d or can be formed on the bearing segments 15.
  • Figure 5a shows in cross section the rotor bearing 15, which has a trapezoidal recess 16 on its inner side, so that the bearing on a trapezoidal bead on the rotor 1 can be attached.
  • the bearing segments of the rotor bearing 14 are also advantageously glued in the trapezoidal recess 16 and then ground.
  • Figure 5b also shows the side view of a bearing segment 14 wherein it can be seen that the sides of the bearing element 14 are each radially rounded.
  • FIG. 6 shows a partial circle of the bearing elements 14, wherein it can be seen that, due to the rounded portions, laterally on the bearing elements 14, tapered and then again widening gaps S result.
  • the housing bearing segments are also spaced apart, the water pumped into the cavity 17 can flow away again between the housing segments segments 15.
  • housing 3 it is also possible on the housing 3 to provide a bore 18, through which the water pumped via the rotor bearing 14 can emerge again.
  • an external pump may alternatively be connected to the bore 18, which pumps filtered water into the cavity 17 and thus generates a certain overpressure and rinses the bearings with filtered water.
  • the bearings exclusively of carbide, in particular silicon carbide, it is possible to provide the bearing unsealed as a water store, whereby a complex sealing is avoided and at the same time excellent cooling is achieved by the water.
  • the carbide bearing can also be used as an air bearing for an air drive.
  • both the rotor and the housing can be preassembled and ground, including storage.

Claims (11)

  1. Propulsion par réaction, en particulier pour des véhicules nautiques, avec un rotor (1) sur la face interne duquel des pales (2) sont disposées et un bâti (3) dans lequel le rotor (1) est logé de manière à pouvoir tourner,
    caractérisée en ce que
    le palier entre le rotor (1) et le bâti (3) comporte du carbure résistant à l'eau de mer.
  2. Propulsion par réaction selon la revendication 1,
    caractérisée en ce que
    le palier entre le rotor (1) et le bâti (3) comporte du carbure de silicium ou du carbure d'aluminium.
  3. Propulsion par réaction selon la revendication 1 ou 2,
    caractérisée en ce que
    le palier entre le rotor (1) et le bâti (3) est exclusivement composé de carbure.
  4. Propulsion par réaction selon une des revendications 1 à 3,
    caractérisée en ce que
    le palier est formé par des paliers lisses.
  5. Propulsion par réaction selon une des revendications 1 à 4,
    caractérisée en ce que le palier dans le rotor (1) et/ou le palier dans le bâti (3) est formé de plusieurs segments.
  6. Propulsion par réaction selon la revendication 5,
    caractérisée en ce que
    les segments de palier sont écartés les uns des autres sur le rotor ou formés de telle manière qu'il en résulte un effet de pompage grâce à la force centrifuge.
  7. Propulsion par réaction selon la revendication 6,
    caractérisée en ce que
    les segments de palier sont écartés les uns des autres sur le rotor (1) d'un côté et sur le bâti (3) du côté opposé, de telle manière que l'effet de pompage obtenu grâce aux segments de palier écartés les uns des autres sur le rotor (1) résulte en un écoulement.
  8. Propulsion par réaction selon une des revendications 6 ou 7,
    caractérisée en ce
    que les segments de palier sont fixés par correspondance de forme sur le bâti (3) respectivement sur le rotor (1), puis collés.
  9. Propulsion par réaction selon une des revendications 1 à 8,
    caractérisée en ce que
    le bâti entoure le rotor à la manière d'un tube, si bien qu'un espace vide (17) est formé entre la face extérieure du rotor (1) et la face intérieure du bâti (3) et qu'un moteur électrique annulaire est disposé dans cet espace vide.
  10. Propulsion par réaction selon une des revendications 1 à 9,
    caractérisée en ce que le palier entre le rotor (1) et le bâti (3) a un diamètre supérieur à 200 mm, de préférence dans la plage de 200 mm à 2500 mm.
  11. Procédé pour la fabrication d'un palier sur une propulsion par réaction, en particulier pour des véhicules nautiques, avec un rotor (1) et un bâti (3)
    caractérisé par les étapes suivantes :
    a fixation par correspondance de forme de segments de palier en carbure sur le rotor,
    b collage des segments de palier par rapport au rotor,
    c rectification d'au moins deux surfaces de palier placées sensiblement perpendiculairement l'une par rapport à l'autre sur les segments de palier du rotor,
    d fixation par correspondance de forme de segments de palier en carbure sur le bâti,
    e collage des segments de palier sur le bâti et
    f rectification d'au moins deux surfaces de palier placées sensiblement perpendiculairement l'une par rapport à l'autre sur les segments de palier du bâti.
EP04802733A 2003-11-14 2004-11-15 Propulsion par reaction Not-in-force EP1687201B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10353566A DE10353566A1 (de) 2003-11-14 2003-11-14 Strahlantrieb
PCT/DE2004/002519 WO2005049420A1 (fr) 2003-11-14 2004-11-15 Propulsion par réaction

Publications (2)

Publication Number Publication Date
EP1687201A1 EP1687201A1 (fr) 2006-08-09
EP1687201B1 true EP1687201B1 (fr) 2007-04-11

Family

ID=34609033

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04802733A Not-in-force EP1687201B1 (fr) 2003-11-14 2004-11-15 Propulsion par reaction

Country Status (7)

Country Link
US (1) US20070253821A1 (fr)
EP (1) EP1687201B1 (fr)
KR (1) KR20060123154A (fr)
AT (1) ATE359209T1 (fr)
DE (2) DE10353566A1 (fr)
DK (1) DK1687201T3 (fr)
WO (1) WO2005049420A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009141254A2 (fr) 2008-05-21 2009-11-26 Siemens Aktiengesellschaft Dispositif d'entraînement d'hélice azimutal à faible encombrement en hauteur pour un dispositif flottant
WO2009153124A2 (fr) 2008-05-27 2009-12-23 Siemens Aktiengesellschaft Turbomachine pourvue de deux rotors

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GB0424697D0 (en) * 2004-11-09 2004-12-08 Woodford Peter Propeller design
DE102007002519A1 (de) * 2007-01-17 2008-07-31 Air Fertigung-Technologie Gmbh & Co.Kg Strahlantireb
GB0702791D0 (en) * 2007-02-14 2007-03-28 Rolls Royce Plc Linear actuator
MX2011009237A (es) 2009-03-05 2011-12-06 Beacon Finland Ltd Oy Espacio de servicio para un dispositivo de propulsion retractil o correspondiente.
DE102009019539B3 (de) * 2009-04-30 2010-11-25 Howaldtswerke-Deutsche Werft Gmbh Unterseeboot
DE102009021548A1 (de) 2009-05-15 2010-11-25 Voith Patent Gmbh Strahlantrieb mit wenigstens einer Antriebseinheit
GB0910752D0 (en) 2009-06-23 2009-08-05 Rolls Royce Plc An annulus filler for a gas turbine engine
JP5432606B2 (ja) * 2009-06-25 2014-03-05 川崎重工業株式会社 推力発生装置
GB0914060D0 (en) 2009-08-12 2009-09-16 Rolls Royce Plc A rotor assembly for a gas turbine
CN102666272B (zh) 2009-09-14 2016-03-02 伊特里克公司 一种船用推进器组件、具有可收缩的推进器组件的船只及推进器组件水下拆卸方法
NL2003946C2 (nl) * 2009-12-11 2011-06-15 Marifin Beheer B V Lagerconstructie, alsmede schroef voorzien van een dergelijke lagerconstructie.
GB2478918B8 (en) 2010-03-23 2013-06-19 Rolls Royce Plc Interstage seal
DE102010054124B4 (de) * 2010-12-10 2012-07-26 Howaldtswerke-Deutsche Werft Gmbh Unterseeboot
WO2012108064A1 (fr) * 2011-02-11 2012-08-16 MOTOYAMA Kenniti Dispositif de rotation de pales dans un tube au moyen d'un électroaimant
CN102336261B (zh) * 2011-09-07 2013-09-18 王仁夫 无轴螺旋桨推进器
JP5872255B2 (ja) * 2011-11-08 2016-03-01 ヤマハ発動機株式会社 船舶推進装置
ITUB20152797A1 (it) * 2015-08-03 2017-02-03 Icarus Int Srl Un sistema di ricovero per macchine a fluido elettriche
DE102016204304A1 (de) * 2016-03-16 2017-09-21 Voith Patent Gmbh Strahlantrieb insbesondere für ein Wasserfahrzeug und Verfahren zum Nachrüsten eines Strahlantriebs

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009141254A2 (fr) 2008-05-21 2009-11-26 Siemens Aktiengesellschaft Dispositif d'entraînement d'hélice azimutal à faible encombrement en hauteur pour un dispositif flottant
DE102008024540A1 (de) 2008-05-21 2009-12-03 Siemens Aktiengesellschaft Azimut-Propellerantriebseinrichtung mit niedriger Einbauhöhe für eine schwimmende Einrichtung
WO2009153124A2 (fr) 2008-05-27 2009-12-23 Siemens Aktiengesellschaft Turbomachine pourvue de deux rotors

Also Published As

Publication number Publication date
WO2005049420A1 (fr) 2005-06-02
ATE359209T1 (de) 2007-05-15
EP1687201A1 (fr) 2006-08-09
US20070253821A1 (en) 2007-11-01
DE502004003499D1 (de) 2007-05-24
DE10353566A1 (de) 2005-06-23
KR20060123154A (ko) 2006-12-01
DK1687201T3 (da) 2007-08-27

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