EP1013544B1 - Propulseur azimutal et bateau equipé avec un tel propulseur - Google Patents

Propulseur azimutal et bateau equipé avec un tel propulseur Download PDF

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Publication number
EP1013544B1
EP1013544B1 EP19990125210 EP99125210A EP1013544B1 EP 1013544 B1 EP1013544 B1 EP 1013544B1 EP 19990125210 EP19990125210 EP 19990125210 EP 99125210 A EP99125210 A EP 99125210A EP 1013544 B1 EP1013544 B1 EP 1013544B1
Authority
EP
European Patent Office
Prior art keywords
ship
propeller
shaft
pod
azimuth
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
EP19990125210
Other languages
German (de)
English (en)
Other versions
EP1013544A2 (fr
EP1013544A3 (fr
Inventor
Naoji Nagasaki R&D Ct. Toki
Eiichi. c/o Nagasaki R&D Center Kobayashi
Hironori c/o Nagasaki R&D Center Yasukawa
Noriyuki c/o Nagasaki R&D Center Manabe
Tetsuji c/o Nagasaki R&D Center Hoshino
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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
Priority claimed from JP10363047A external-priority patent/JP2000177694A/ja
Priority claimed from JP11170007A external-priority patent/JP2001001991A/ja
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Publication of EP1013544A2 publication Critical patent/EP1013544A2/fr
Publication of EP1013544A3 publication Critical patent/EP1013544A3/fr
Application granted granted Critical
Publication of EP1013544B1 publication Critical patent/EP1013544B1/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
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/002—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for goods other than bulk goods
    • B63B25/004—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for goods other than bulk goods for containers
    • 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
    • B63H2005/1256—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis with mechanical power transmission to 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
    • 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

Definitions

  • the present invention relates to an azimuth propeller apparatus and a ship equipped with the azimuth propeller apparatus.
  • ships are equipped with a propeller.
  • the propeller is turned, propelling the ship in a direction that is controlled by a rudder.
  • FIG. 1 shows a typical conventional ship 80.
  • FIG. 2 is a magnified view of a stern of the ship 80, illustrating a rudder 82 of the ship 80.
  • a propeller 81 is provided at the stern, along with the rudder 82.
  • the propeller 81 is driven by the main engine 84 installed in a hull of the ship 80 at the same level.
  • the main engine 84 is has its shaft axially aligned with the propeller 81.
  • the rudder 82 is attached to the stern by a rudder horn 83.
  • the ship 80 As the main engine 84 drives the propeller 81, the ship 80 is propelled.
  • the direction in which the ship 80 is propelled is controlled by turning the rudder 82 on the rudder horn 83.
  • FIG..3 depicts a ship 90 with a conventional azimuth propeller apparatus 91.
  • FIG. 4 is a magnified view of the stern of the ship 90, showing the conventional azimuth propeller apparatus 91.
  • the azimuth propeller apparatus 91 comprises a strut 92, a pod 93 and a propeller 94.
  • the strut 92 is connected to the stern of the ship 90 and can rotate around a vertical axis.
  • the pod 93 is secured to the strut 92.
  • the propeller 94 is attached to the pod 93.
  • a generator/engine (G/E), which is located above the strut 92.
  • the generator/engine drives a generator (not shown), which generates electric power.
  • the electric power is supplied to the motor provided in the pod 93. Driven with the electric power, the motor drives the propeller 94.
  • FIG. 5 is a graph representing the various relations between the rudder angle and the lateral force, which are observed with various ships.
  • curve D indicates the angle-force relation observed when the propeller 81 and the rudder 82 (both shown in FIG. 2) are used, propelling and steering the ship 80 shown in FIG. 1 at low speed of 18 knots.
  • Curve E shows the angle-force relation observed when the azimuth propeller apparatus 91 (shown in FIG. 4) is used, propelling and steering the ship 90 shown in FIG. 3 at low speed of 18 knots.
  • Curve C indicates the angle-force relation observed when the ship 80 is propelled and steered at high speed of 25 knots.
  • the ship 80 can receive a sufficient lateral force while being propelled at a relatively high speed, as in off-shore navigation.
  • the ship 80 can therefore be well steered in off-shore navigation.
  • the ship 80 is propelled at low speed as it is navigated in the harbor, as it is moored at the pier, or as it leaves the pier, its steerability greatly decreases as curve D reveals in FIG. 5.
  • the ship 90 shown in FIG. 3 has the azimuth propeller apparatus 91 shown in FIG. 4.
  • a lateral force is applied to the ship 90.
  • the lateral force is smaller than the lateral force applied to the ship 80 (FIG. 1) as the rudder 82 is rotated. Therefore, the greater part of the lateral force, which is applied to the ship 90 when the ship 90 is propelled at low speed, is a lateral component of the propelling force that the propeller 94 applies to the ship 90.
  • the lateral component of the propelling force applied to the ship 90 at low speed of 18 knots is small as is indicated by curve E in FIG. 5.
  • the steerability of the ship 90 equipped with the azimuth propeller apparatus 91 also become insufficient during the low-speed navigation.
  • a sufficiently large lateral force must be applied to the ship 91, not only when the ship 91 is propelled at low speed, but also when the wind is strong or waves are high.
  • GB 1 203 560 discloses a steering and propulsion gear for ships and relates to marine propulsion drive rather then to an azimuth propeller apparatus shape like flap and arranged at the back of a skeg protruding from the stern of a ship, and which therefor has a rudder that conforms to the skeg in shape.
  • an azimuth propeller apparatus which comprises: a rotatable shaft connectable to a stern of a ship and comprising a skeg protruding from the stern of the ship and having a notch in an edge part to allow passage of the propeller being rotated around the shaft; a rudder plate secured to the shaft configured control the course of the ship, a pod mounted on middle part of the rudder plate; a propeller having a propeller shaft connected to one end of the pod; and driver provided in the pod, for driving the propeller shaft.
  • the rudder plate includes an upper rudder plate secured to upper part of the shaft which is located above the pod and configured to control the course of the ship and a lower rudder plate secured to under part of the shaft which is located below the pod and configured to control the course of the ship.
  • a ship which comprises the aforementioned azimuth propeller apparatus.
  • a reaction fin is connected to the pod and located at fore-flow of the propeller and swirl water in a direction opposite to a rotational direction of the propeller.
  • FIG. 5 is a graph representing the various relations between the rudder angle and the lateral force, which are observed with various ships.
  • Curve D indicates the angle-force relation observed when the propeller 81 and the rudder 82 (both shown in FIG. 2) are used, propelling and steering the ship 80 shown in FIG. 1 at low speed of 18 knots.
  • Curve E shows the angle-force relation observed when the azimuth propeller apparatus 91 (shown in FIG. 4) is used, propelling and steering the ship 90 shown in FIG. 3 at low speed of 18 knots.
  • Curve A indicates the angle-force relation observed when the azimuth propeller apparatus 1 (shown in FIG.4) is used, propelling and steering a ship at low speed of 18 knots.
  • the lateral force is almost equal to the sum of the lateral force applied to the hull when the propeller 81 and the rudder 82 (FIG. 2) are used and the lateral force applied to the hull when the azimuth propeller apparatus 91 (FIG. 4) is used.
  • the ship with the azimuth propeller apparatus 91 according to the invention can acquire a larger lateral force than the ship 80 with the propeller 81 and rudder 82 and the ship 90 with the conventional azimuth propeller apparatus 91.
  • Curve B in FIG. 5 indicates the relation between the rudder angle and the lateral force, angle-force relation observed when the ship according to the second embodiment is propelled and steered at low speed of 18 knots. As can be evidenced by comparing curve B with curve A, the lateral force is larger than the literal force applied to the ship according to the first embodiment.
  • curve C in FIG. 5 indicates the angle-force relation observed when the ship 80 is propelled and steered at high speed of 25 knots.
  • a lateral force which is comparable with the lateral force applied to the ship 80 navigated at 25 knots, can be applied to the ship, according to the second embodiment, though the ship is navigated at low speed of 18 knots.
  • the azimuth propeller apparatus is characterized in two respects. First , the gap between the rudder plate and the hull is narrow, increasing the steerability of the ship. Second, the azimuth propeller apparatus is rotated by 180° from the normal position to propel the ship backward.
  • FIG. 7 is a side view of the stern of the ship according to the embodiment. With reference to FIG. 7 the azimuth propeller apparatus 4 and skeg 51 of the embodiment will be described.
  • the azimuth propeller apparatus 4 has a rudder plate 53.
  • the rudder plate 53 is a modification of the rudder plate 23 shown in FIGS. 5 and 9.
  • the rudder plate 53 has a projection 531 on the front edge and can rotate through 360°.
  • the rudder plate 53 is identical to the rudder plate 23 of the azimuth propeller apparatuses 1 and 2 in the shape of its cross section, as is indicated by the two-dot, dashed lines 531 in FIG. 7.
  • the skeg 51 has a U-notch 511 in the rear edge. It is in the notch 511 in which the projection 531 of the rudder plate 53 is placed as long as the rudder plate 53 remains in the normal position. Thus, the gap between the plate 53 and the hull is much narrower than in the case of the conventional ships.
  • FIG. 9 shows a modification of the azimuth propeller apparatus 4 which has a reaction fin 50 at the fore-stream of the propeller 21.
  • reaction fin 50 can help to increase the ship-propelling efficiency.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Toys (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Traffic Control Systems (AREA)
  • Mechanical Means For Catching Fish (AREA)
  • Underground Or Underwater Handling Of Building Materials (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Transmission Devices (AREA)

Claims (7)

  1. Propulseur azimutal (4) caractérisé par le fait qu'il comprend :
    un arbre rotatif (13, 19) pouvant être relié à la poupe d'un navire et comprenant un talon de quille (51) en saillie depuis la poupe du navire et présentant une encoche (511) dans une partie de bord afin de permettre le passage de l'hélice (21) étant en rotation autour de l'arbre (13) ;
    un safran (53) fixé à l'arbre (13) configuré pour commander la route du navire ;
    une nacelle (15) montée sur une partie médiane du safran (53) ;
    une hélice (21) présentant un arbre d'hélice (19) relié à une extrémité de la nacelle (15) ; et
    un moteur d'entraínement prévu dans la nacelle (15) destiné à entraíner l'arbre d'hélice (19).
  2. Propulseur azimutal (4) selon la revendication 1, caractérisé en ce que le safran (53) comprend :
    un safran supérieur (53) fixé à la partie supérieure de l'arbre (19) qui est situé au-dessus de la nacelle (15) et configuré pour commander la route du navire et un safran inférieur (53) fixé à la partie inférieure de la nacelle (15) et configuré pour commande la route du navire.
  3. Propulseur azimutal (4) selon la revendication 1 ou 2, caractérisé en ce qu'il comprend en outre :
    une ailette à réaction qui est reliée à la nacelle (15) et située au flux avant de l'hélice (21) et de l'eau de remous dans une direction opposée à une direction de rotation de l'hélice (21).
  4. Propulseur azimutal (4) selon les revendications 1 à 3, caractérisé en ce qu'il comprend :
    une ailette de stator qui est reliée à la nacelle (15) et située au flux arrière de l'hélice (21) et de l'eau de remous dans une direction opposée à une direction de rotation de l'hélice (21).
  5. Navire caractérisé en ce qu'il comprend le propulseur azimutal (4) selon les revendications 1 à 4.
  6. Navire selon la revendication 5, caractérisé en ce que le talon de quille (51) est située à l'avant du propulseur azimutal (4).
  7. Navire selon la revendication 5 ou 6, caractérisé en ce que le talon de quille (51) présente des moyens de support destinés à supporter l'arbre (13).
EP19990125210 1998-12-21 1999-12-17 Propulseur azimutal et bateau equipé avec un tel propulseur Expired - Lifetime EP1013544B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP36304798 1998-12-21
JP10363047A JP2000177694A (ja) 1998-12-21 1998-12-21 舵付きアジマスプロペラを備えた船舶
JP11170007A JP2001001991A (ja) 1999-06-16 1999-06-16 フィン付きアジマスプロペラ装置
JP17000799 1999-06-16

Publications (3)

Publication Number Publication Date
EP1013544A2 EP1013544A2 (fr) 2000-06-28
EP1013544A3 EP1013544A3 (fr) 2002-01-30
EP1013544B1 true EP1013544B1 (fr) 2004-10-27

Family

ID=26493159

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Application Number Title Priority Date Filing Date
EP19990125210 Expired - Lifetime EP1013544B1 (fr) 1998-12-21 1999-12-17 Propulseur azimutal et bateau equipé avec un tel propulseur

Country Status (5)

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EP (1) EP1013544B1 (fr)
AT (1) ATE280709T1 (fr)
DE (1) DE69921432T2 (fr)
ES (1) ES2232070T3 (fr)
NO (1) NO996345L (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI107042B (fi) * 1998-09-14 2001-05-31 Abb Azipod Oy Propulsioyksikön kääntäminen
JP2003011893A (ja) * 2001-06-29 2003-01-15 Mitsubishi Heavy Ind Ltd アジマス推進器
JP4445167B2 (ja) * 2001-09-11 2010-04-07 ヤンマー株式会社 船舶の発電および推進装置
FR2842784B1 (fr) * 2002-07-25 2005-03-11 Alstom Gouverne de navire asservie en position angulaire par un moteur electrique
US6957990B2 (en) * 2002-08-21 2005-10-25 Lowe Jerry W Electric houseboat
GB0403557D0 (en) * 2004-02-18 2004-03-24 Rolls Royce Plc Ship propulsion arrangement
FI121659B (fi) 2004-11-29 2011-02-28 Waertsilae Finland Oy Vesialuksen propulsiojärjestelmä
NO20061745L (no) 2006-04-20 2007-10-22 Rolls Royce Marine As Azipull
JP2010241194A (ja) * 2009-04-02 2010-10-28 Tokyo Univ Of Marine Science & Technology 船舶用電気推進システム
NL1037824C2 (en) * 2010-03-23 2011-09-27 Heijden Spijkers Maria Anna Josepha Apparatus and method for the propulsion, steering, manoeuvring and stabilisation of boats and other floating vessels.
JP2012061937A (ja) * 2010-09-15 2012-03-29 Mitsubishi Heavy Ind Ltd アジマス推進器
JP2012111422A (ja) * 2010-11-26 2012-06-14 Mitsubishi Heavy Ind Ltd アジマス推進器およびこれを備えた船舶
JP5984657B2 (ja) * 2012-12-20 2016-09-06 三菱重工業株式会社 首振り推進器および船舶
EP2993122B1 (fr) * 2014-09-03 2018-07-04 ABB Oy Agencement de propulsion pour navire
EP3164329B1 (fr) * 2014-09-26 2018-05-16 Siemens Aktiengesellschaft Propulseur omnidirectionnel avec hélice de traction
PL424813A1 (pl) * 2018-03-09 2019-09-23 Bibus Menos Spółka Z Ograniczoną Odpowiedzialnością Zespół pędnika jednostki pływającej
CN109436269A (zh) * 2018-12-06 2019-03-08 无锡瑞风船用推进器有限公司 一种用于风电运维船的全回转舵机桨
CN109515666A (zh) * 2019-01-21 2019-03-26 中国计量大学 一种水下机器人的矢量推进器
CN112278212B (zh) * 2020-10-29 2022-01-28 武汉船用机械有限责任公司 一种舵桨回转驱动装置的分体式结构
US11352117B1 (en) 2021-02-08 2022-06-07 Gigawave Llc Enhanced wave generation methods and systems
CN113593355B (zh) * 2021-07-27 2022-08-30 武汉理工大学 一种组合式混合动力实验教学船

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US2714866A (en) * 1951-02-19 1955-08-09 Friedrich W Pleuger Device for propelling a ship
GB1203560A (en) * 1968-04-27 1970-08-26 Kiyoshi Shima Steering and propulsion gear for ships
SE7808462L (sv) * 1978-08-08 1980-02-09 Kesol Bat Ab Manoveranordning for segelbatar
DE3207398C2 (de) * 1982-03-02 1986-03-06 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schiffspropulsionsanlage mit einem Haupt- und einem Kontrapropeller
FI96590B (fi) * 1992-09-28 1996-04-15 Kvaerner Masa Yards Oy Laivan propulsiolaite
JPH07267189A (ja) * 1994-03-31 1995-10-17 Mitsubishi Heavy Ind Ltd 整流フィン付き舶用プロペラ装置
PT935553E (pt) * 1996-11-07 2002-03-28 Schottel Gmbh & Co Kg Accionamento de helice duplo para embarcacoes

Also Published As

Publication number Publication date
ES2232070T3 (es) 2005-05-16
EP1013544A2 (fr) 2000-06-28
DE69921432T2 (de) 2006-03-02
ATE280709T1 (de) 2004-11-15
NO996345D0 (no) 1999-12-20
EP1013544A3 (fr) 2002-01-30
NO996345L (no) 2000-06-22
DE69921432D1 (de) 2004-12-02

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