EP1336561B1 - Entrainement pour bateaux - Google Patents

Entrainement pour bateaux Download PDF

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Publication number
EP1336561B1
EP1336561B1 EP03002882A EP03002882A EP1336561B1 EP 1336561 B1 EP1336561 B1 EP 1336561B1 EP 03002882 A EP03002882 A EP 03002882A EP 03002882 A EP03002882 A EP 03002882A EP 1336561 B1 EP1336561 B1 EP 1336561B1
Authority
EP
European Patent Office
Prior art keywords
propeller
profile
thickness
shaft
hull
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
Application number
EP03002882A
Other languages
German (de)
English (en)
Other versions
EP1336561A1 (fr
Inventor
Peter Stein
Lutz MÜLLER
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 and Co KG
Original Assignee
Schottel 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 Schottel GmbH and Co KG filed Critical Schottel GmbH and Co KG
Publication of EP1336561A1 publication Critical patent/EP1336561A1/fr
Application granted granted Critical
Publication of EP1336561B1 publication Critical patent/EP1336561B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • 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
    • 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

Definitions

  • the present invention relates to a drive device for watercraft that propel the watercraft, but possibly also changing the direction of travel of the watercraft, that is, its control can serve, wherein in connection with the invention in particular to a change of direction of approximately +/- 10 ° in relation to the main direction of travel is thought.
  • the drive device has a housing on, the gondola-like with an essentially horizontal longitudinal axis outside the actual watercraft under the Watercraft hull is arranged.
  • a drive motor In the underwater case can a drive motor or it can be part of it Drive.
  • the drive motor can, for example According to DE 196 48 417 be an electric motor, part of a drive can be, for example according to DE 44 40 738, a transmission, the Drive power from an engine arranged in the watercraft is fed.
  • the drive motor or part of the drive is with a drive shaft with at least one drive propeller connected to one end of the case outside of the housing is arranged.
  • a shared one if necessary Drive shaft can also on both ends of the housing be led out of this to at least one propeller to be driven at each end of the housing outside it.
  • the storage of the underwater housing on the hull of the watercraft serves a shaft with a vertical longitudinal axis, the lower end firmly with the underwater housing and its upper end is connected to the hull of the watercraft.
  • the aforementioned shaft between the underwater case and the hull of the watercraft has in Cross section about the shape of a wing around the incoming Resist water as little as possible and laminar, i.e. flows around with the least possible vortex formation to become.
  • the present invention is concerned with training of the aforementioned shaft preferably for one in principle all-round swiveling drive for watercraft with a speed range above about 24 Kn in such a way that the Cavitation hazard on the shaft and on at least one propeller is small, pressure fluctuations are kept low and Thrust and torque fluctuations to the smallest extent possible be introduced into the forest.
  • Such drives which are arranged in the underwater housing Include electric motor, have a practically unlimited Range of services. You can therefore in ships with high speed requirements such as RoRo ships and ferries are used. The trend is going on with these ships at speeds of 24 Kn and beyond. For these applications result in special requirements for the Design of the propellers and the entire system including inclusion of the shaft between the underwater housing and the hull of the Watercraft.
  • the invention results in the use of relatively large radii at the leading edge of the individual profile sections of the housing shaft, and a bumpless flow over a large angle of attack of the profile is ensured. Strong local accelerations and vacuum peaks are reduced. The risk of cavitation decreases. The risk of detachment is reduced by a moderate pressure increase in the direction of the trailing edge of the profile.
  • the ratio of the local thickness to the maximum thickness should not be less than in the table according to the invention cited below. A ratio of the maximum thickness to the profile length in the range from 0.23 to 0.30 represents a suitable compromise. The risk of cavitation is reduced without unnecessarily increasing the shaft resistance. Thickness distribution t / tmax: x / L t / tmax 0.05 0.44 0.10 0.62 0.15 0.76 0.20 0.84 0.25 0.91 0.30 0.96
  • this deals with the problem of avoiding an additional delay of the Flow through the shaft of the underwater case.
  • the propeller in the area of the hub and external cuts is relieved.
  • the cuts (0.5 - 0.9 r / R) are at a greater distance from the propeller plane. Due to the greater local stress on these leaf cuts, a delay in the flow there leads to cavitation more quickly.
  • the table below according to the further embodiment of the invention shows the minimum distance required according to the invention depending on the propeller diameter. Distance of the propeller planes to the shaft: r / R s / D 0.5 0.20 0.6 0.23 0.7 0.25 0.8 0.27 0.9 0.29 1.0 0.30

Landscapes

  • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Gear Transmission (AREA)

Claims (2)

  1. Dispositif pour l'entraínement d'un véhicule nautique et de préférence également pour la correction de la direction de propulsion du véhicule nautique de préférence dans la plage d'environ +/- 10°, le dispositif d'entraínement comprenant un boítier qui est agencé à l'extérieur de la coque du véhicule nautique et au-dessous de la coque à la manière d'une nacelle avec un axe longitudinal sensiblement horizontal, une hélice en rotation dans l'eau environnante à une extrémité à l'extérieur du boítier et des parties au moins de l'entraínement de l'hélice à l'intérieur du boítier, lequel est relié à la coque du véhicule nautique par un arbre avec un axe longitudinal sensiblement vertical, l'extrémité inférieure de l'arbre étant montée solidairement avec le boítier en forme de nacelle, l'extrémité supérieure de l'arbre étant montée de préférence mobile en pivotement autour de son axe longitudinal sur la coque du véhicule nautique, l'arbre présentant en section transversale approximativement la forme d'une aile portante, c'est-à-dire formant un nez arrondi à l'extrémité avant en direction d'attaque régulière, en arrière duquel l'épaisseur du profil augmente tout d'abord pour se terminer après une épaisseur maximale en une pointe terminale,
    caractérisé en ce que
    à partir du nez du profil la relation entre le rapport de longueur (x/L) de la distance actuelle (x) du nez de profil sur la totalité de la longueur de profil (L) d'une part et le rapport d'épaisseur (t/tmax) de l'épaisseur de profil actuelle (t) sur l'épaisseur de profil maximale (tmax) est la suivante : rapport de l'épaisseur t/tmax : x/L t/tmax 0,05 0,44 0,10 0,62 0,15 0,76 0,20 0,84 0,25 0,91 0,30 0,96.
  2. Dispositif d'entraínement d'un véhicule nautique selon la revendication 1, caractérisé en ce que la relation entre le rapport (r/R) du diamètre actuel de l'hélice (r) sur le diamètre maximal de l'hélice (R) d'une part et le rapport (s/D) de la distance (s) du cercle de la pointe de l'hélice depuis l'arête avant de l'arbre sur le diamètre maximal (D) de l'hélice est la suivante : distance des plans de l'hélice par rapport à l'arbre : r/R s/D 0,5 0,20 0,6 0,23 0,7 0,25 0,8 0,27 0,9 0,29 1,0 0,30.
EP03002882A 2002-02-16 2003-02-08 Entrainement pour bateaux Expired - Lifetime EP1336561B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10206530A DE10206530A1 (de) 2002-02-16 2002-02-16 Antrieb für Wasserfahrzeuge
DE10206530 2002-02-16

Publications (2)

Publication Number Publication Date
EP1336561A1 EP1336561A1 (fr) 2003-08-20
EP1336561B1 true EP1336561B1 (fr) 2004-11-10

Family

ID=27618736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03002882A Expired - Lifetime EP1336561B1 (fr) 2002-02-16 2003-02-08 Entrainement pour bateaux

Country Status (4)

Country Link
EP (1) EP1336561B1 (fr)
AT (1) ATE281971T1 (fr)
DE (2) DE10206530A1 (fr)
ES (1) ES2232791T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009033554A1 (de) 2009-07-16 2011-01-20 Reintjes Gmbh Propellergondel

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5360887B2 (ja) * 2009-03-25 2013-12-04 株式会社Ｉｈｉ ポッド推進器
CN109278969A (zh) * 2018-10-12 2019-01-29 邓建军 同轴双桨电动喷水推进器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7306891U (de) * 1973-02-23 1974-07-18 Voith J Gmbh Schiffsantrieb mit einem Verstellpropeller
US4830574A (en) * 1988-02-29 1989-05-16 United Technologies Corporation Airfoiled blade
DE4440738A1 (de) * 1994-11-15 1996-05-23 Schottel Werft Schiffsantrieb mit einer Antriebsmaschine im Schiffsrumpf und einem von der Antriebsmaschine angetriebenen Propeller außerhalb des Schiffsrumpfes
SE506926C2 (sv) * 1996-06-06 1998-03-02 Kamewa Ab Marint framdrivnings- och styraggregat
US20010051475A1 (en) * 1996-11-07 2001-12-13 Reinhold Reuter Twin-propeller drive for watercraft
DE19648417A1 (de) * 1996-11-22 1998-05-28 Schottel Werft Schiffsantrieb mit einem Ruderpropeller
PT1177130E (pt) * 1999-05-11 2003-12-31 Siemens Ag Helice leme electrica com uma altura de instalacao reduzida
FI110595B (fi) * 2000-01-28 2003-02-28 Abb Oy Järjestely aluksessa, menetelmä tilan käyttämiseksi hyväksi aluksessa sekä propulsioyksikön asennusjärjestely
DE10062354B4 (de) * 2000-12-14 2007-12-20 Siemens Ag Stellantrieb für einen, insbesondere elektrisch angetriebenen, Ruderpropeller eines Seeschiffes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009033554A1 (de) 2009-07-16 2011-01-20 Reintjes Gmbh Propellergondel
EP2281743A1 (fr) 2009-07-16 2011-02-09 Reintjes GmbH Pod

Also Published As

Publication number Publication date
DE10206530A1 (de) 2003-08-28
ATE281971T1 (de) 2004-11-15
EP1336561A1 (fr) 2003-08-20
DE50300138D1 (de) 2004-12-16
ES2232791T3 (es) 2005-06-01

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