EP2077961A2 - Gouvernail latéral - Google Patents

Gouvernail latéral

Info

Publication number
EP2077961A2
EP2077961A2 EP07846493A EP07846493A EP2077961A2 EP 2077961 A2 EP2077961 A2 EP 2077961A2 EP 07846493 A EP07846493 A EP 07846493A EP 07846493 A EP07846493 A EP 07846493A EP 2077961 A2 EP2077961 A2 EP 2077961A2
Authority
EP
European Patent Office
Prior art keywords
ship
rudder
blade
degrees
rudder blade
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
EP07846493A
Other languages
German (de)
English (en)
Other versions
EP2077961B1 (fr
Inventor
Rolf Rohden
Dirk Holtkamp
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.)
Wobben Properties GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2077961A2 publication Critical patent/EP2077961A2/fr
Application granted granted Critical
Publication of EP2077961B1 publication Critical patent/EP2077961B1/fr
Active 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
    • 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
    • B63H25/06—Steering by rudders
    • B63H25/38—Rudders
    • 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
    • B63H25/06—Steering by rudders
    • B63H2025/066—Arrangements of two or more rudders; Steering gear therefor
    • 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
    • B63H25/06—Steering by rudders
    • B63H25/38—Rudders
    • B63H2025/388—Rudders with varying angle of attack over the height of the rudder blade, e.g. twisted rudders

Definitions

  • the present invention relates to a rudder blade for a ship and a ship with at least one rudder blade according to the invention.
  • a conventionally designed rudder that is to say in simplified terms a flat plate which is laterally offset from the keel line in the stern area of the ship and aligned in the zero degree position exactly parallel to the keel line, would therefore be flowed obliquely and thus causes a flow resistance.
  • This flow resistance means higher fuel consumption and thus higher environmental impact or with the same fuel consumption and the same engine performance low speed and thus extended travel time and thus turn higher fuel consumption and higher environmental impact.
  • US 5,415,122 it is known to adapt a rudder blade to a propeller generated flow. The flow directions generated by the propeller are taken into account and the rudder is adjusted accordingly in a variety of profiles in the chordwise direction.
  • Table 1 of this document indicates a reduction of an angle of the rudder blade with increasing height (Y position) of the respective profile, starting from the axis of the upstream propeller.
  • This special design of a rudder blade takes into account in particular the effects of turbulence by the propeller.
  • Object of the present invention is to provide a particularly streamlined rudder blade for attachment in the region of the stern of a ship laterally next to the keel line.
  • a self-twisting rudder blade wherein the twisting is adapted to the course of the flow of water at the stern of the ship, ie in the region of the mounting location of the rudder blades.
  • the advantages of these rudders invention are a higher efficiency of the rudder blades, which leads to smaller rudder blades, as well as an improved flow of the propeller (if it is present).
  • This effect according to the invention is achieved when, with a rudder angle of zero degrees, that is to say a rudder system set for exact straight-ahead driving, the angle of attack at the rudder is also exactly zero degrees.
  • the exact angle of attack of the rudder blade on its upper side naturally depends on the geometric course of the stern. Towards its bottom (as the side away from the hull), the twisting gradually decreases. In the present case, the rudder blade is twisted by about 10 degrees in its upper (near-the-hull) area, while it is twisted by about 2 degrees in its lower (fuselage) area.
  • a ship is proposed with at least one arranged for controlling the ship, twisted rudder blade, wherein the twisting of the blade is adapted to the course of the flow of water in the region of the respective rudder blade, if the rudder blades in the direction of travel of the ship is not in operation propeller upstream , It is thus adjusted the rudder blade to the flow of water relative to the ship, this flow is not generated by an upstream propeller. Rather, the primary factor is the flow that results from the ship's passage through the water. Other currents are not taken into account or do not occur.
  • the rudders are not preceded by a propeller. If in another embodiment, a propeller should be upstream, this is not in operation. This means that it is not driven, but is idle, for example.
  • At least two rudder blades are thus proposed, which are provided laterally offset from the keel line, the twisting of the blade being adapted to the flow of the water caused by the geometry of the hull in the region of the respective rudder blade.
  • twisting the rudder blade is meant a rotation of the rudder blade about a longitudinal axis of the rudder blade.
  • the specified torsion angle is given as the angle of the rudder blade at the respective height relative to the keel line and can also be referred to as the angle of attack.
  • the rudder blades have an angle of attack to the keel line, so that the respective rudder blade points in the flow direction when the ship is moving forward to the keel line. Due to the shape of the hull tapering backwards towards the stern and when the rudders are arranged as usual in the stern area of the ship, the flow of the water - relative to the ship - also runs backwards as the ship makes its way through the water. This effect contributes to this embodiment. Accordingly, when driving straight, the rudder blades to the keel line and thus to the ship's center.
  • the angle of attack to the keel line of the respective rudder blade decreases with increasing distance from the hull.
  • the rudder blade is therefore so twisted that near the fuselage a larger angle of attack is present, which then decreases with increasing distance from the hull, ie downwards.
  • the angle of attack or torsion angle is between 2 degrees and 20 degrees.
  • the larger value is usually near the hull and the smaller at the bottom of the rudder blade.
  • the angle from the hull may drop from 20 degrees at the fuselage or near the fuselage to 5 degrees at the bottom, or in another example from 10 degrees to 2 degrees.
  • the angle of attack or torsion angle in the vicinity of the fuselage is 10 degrees to 20 degrees and in the fuselage range 2 degrees to 5 degrees.
  • two rudders are arranged symmetrically on both sides of the keel line.
  • a rudder in the direction of travel is right and thus on the starboard side of the ship and a counterpart to it is located on the opposite side of the keel line, but otherwise in the same place.
  • Such two rudders are preferably also symmetrical to each other, namely designed mirror-symmetrical.
  • At least one Magnus rotor is provided as drive for the ship.
  • a Magnus rotor generates a propulsion for the ship by utilizing the Magnus effect.
  • a fast rotating, vertical cylinder is used, which is flowed around by the wind.
  • the wind direction and direction of rotation results in a propulsion for the ship.
  • the rudder blades are designed. Further advantageous effects may also arise when other types of drives are used, which do not or not significantly interfere with the flow of water in the trunk area.
  • a propeller may, for example, be provided as an auxiliary drive.
  • the design of the rudder blade or the rudder blades is preferably carried out when the propeller is not driven, this being e.g. is idle.
  • the invention also claims a rudder blade prepared for use with a ship.
  • FIG. 4 the rear portion of the ship is shown with two rudder blades, which are arranged on both sides laterally next to the keel line of the ship.
  • One of the rudder blades is arranged on the left, ie on the port side of the keel line, while the second rudder blade is arranged on the right, that is to say on the starboard side of the keel line.
  • the ship is a pure sailing ship, as the present drawing might suggest, or whether there is at least one propeller with another rudder blade (eg, exactly in the keel line) is completely irrelevant to the present invention, but not excluded.
  • the drawing Figure 3 shows a further rear view of the ship, but from a slightly different perspective.
  • the port side (left) rudder blade is twisted to the right, ie to the keel line, while the starboard side (right) rudder blade is twisted to the left, ie also to the keel line.
  • the angle of attack or the torsion angle of each rudder blade decreases with increasing distance from the fuselage. In the concrete embodiment, however, it does not reach zero degrees at the lower (fuselage-facing) end of the rudder blade, but still has an angle of 2 degrees.
  • FIGS. 3 and 4 It can also be seen in FIGS. 3 and 4 that the rudders are not preceded by a propeller. In general, no propeller is present in the illustrated embodiment.
  • Figure 2 shows only the two rudder blades without the (over) hull. In this drawing the twisting is again clearly visible. The look in this drawing is again directed from the back to the stern of the ship.
  • FIG. 1 likewise shows only the rudder blades according to the invention, but in a view from below, so that the ship keel could be seen between these rudder blades.
  • the distortion at the trailing edge of the rudder blades can be seen particularly clearly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Toys (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Wind Motors (AREA)
  • Traffic Control Systems (AREA)
  • Electric Cable Installation (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

L'invention concerne un safran de gouvernail tordu. Selon l'invention, la torsion du safran convient au débit de courant auquel est confronté la partie du safran de gouvernail, lorsque celui-ci se trouve dans le sens de déplacement du navire et qu'aucune hélice ne fonctionne.
EP07846493.0A 2006-10-06 2007-10-08 Gouvernail latéral Active EP2077961B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006047755A DE102006047755A1 (de) 2006-10-06 2006-10-06 Seitliches Schiffsruder
PCT/EP2007/008704 WO2008043504A2 (fr) 2006-10-06 2007-10-08 Gouvernail latéral

Publications (2)

Publication Number Publication Date
EP2077961A2 true EP2077961A2 (fr) 2009-07-15
EP2077961B1 EP2077961B1 (fr) 2017-08-02

Family

ID=38996207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07846493.0A Active EP2077961B1 (fr) 2006-10-06 2007-10-08 Gouvernail latéral

Country Status (18)

Country Link
US (1) US8215255B2 (fr)
EP (1) EP2077961B1 (fr)
JP (2) JP5404403B2 (fr)
KR (1) KR101248290B1 (fr)
CN (1) CN101522515B (fr)
AU (1) AU2007306675B2 (fr)
BR (1) BRPI0718193B1 (fr)
CA (1) CA2667074C (fr)
DE (1) DE102006047755A1 (fr)
DK (1) DK2077961T3 (fr)
ES (1) ES2637788T3 (fr)
HK (1) HK1134667A1 (fr)
MX (1) MX2009003514A (fr)
NO (1) NO340384B1 (fr)
NZ (1) NZ575935A (fr)
PT (1) PT2077961T (fr)
WO (1) WO2008043504A2 (fr)
ZA (1) ZA200902060B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101323795B1 (ko) * 2011-11-15 2013-10-31 삼성중공업 주식회사 선박
PL3103715T3 (pl) * 2014-01-31 2020-08-24 Kay Seven Co. Ltd. Urządzenie sterujące i sposób jego sterowania
US10118696B1 (en) 2016-03-31 2018-11-06 Steven M. Hoffberg Steerable rotating projectile
JP6771043B2 (ja) * 2016-05-25 2020-10-21 ボルボ ペンタ コーポレーションＶｏｌｖｏ Ｐｅｎｔａ Ｃｏｒｐｏｒａｔｉｏｎ 船舶を操作する方法及び制御装置
JP7107668B2 (ja) 2017-11-29 2022-07-27 三菱造船株式会社 舵
US11712637B1 (en) 2018-03-23 2023-08-01 Steven M. Hoffberg Steerable disk or ball

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB174021A (en) 1920-07-07 1922-01-09 Anton Flettner Improved steering device for ships and the like
US1714042A (en) * 1926-04-15 1929-05-21 Oertz Max Two-part rudder for ships
US1744138A (en) * 1927-12-02 1930-01-21 Oertz Max Arrangement of cutwater rudders for ships
US1844303A (en) * 1928-01-27 1932-02-09 Wagner Rudolf Rudder
US1973783A (en) * 1932-07-30 1934-09-18 Theodore M Thorsen Stream line stern-post block and rudder assembly
US2331706A (en) * 1941-09-27 1943-10-12 Livingston John Rudder
US2392165A (en) * 1943-07-09 1946-01-01 Livingston John Rudder
US2705469A (en) * 1951-10-30 1955-04-05 H C Stulcken Sohn Propulsion arrangement for ships
NL6410681A (fr) 1964-09-14 1966-03-15
GB1131611A (en) * 1964-10-27 1968-10-23 Hydroconic Ltd Improvements in or relating to the steering of vessels fitted with propulsion nozzles
GB1261998A (en) * 1969-10-13 1972-02-02 Hydroconic Ltd Improvements in or relating to ducted propeller systems for marine vessels
GB2072112B (en) * 1980-03-20 1983-08-24 Austin K A Rotors utilising the magnus effect
JPS577798A (en) * 1980-06-16 1982-01-14 Mitsui Eng & Shipbuild Co Ltd Reaction rudder
US4398895A (en) * 1981-05-14 1983-08-16 Asker Gunnar C F Wind propulsion devices
JPS59137294A (ja) * 1983-01-24 1984-08-07 Mitsubishi Heavy Ind Ltd 舶用屈曲舵
US5415122A (en) 1993-10-13 1995-05-16 The United States Of America As Represented By The Secretary Of The Navy Twisted rudder for a vessel
US5456200A (en) * 1993-10-13 1995-10-10 The United States Of America As Represented By The Secretary Of The Navy Rudder for reduced cavitation
DE19844353A1 (de) * 1998-09-28 2000-03-30 Herbert Schneekluth Steuerruder für Schiffe
NL1012716C2 (nl) * 1999-07-27 2001-01-30 Hubertus Adriaan Pothoven Zeilboot.
DE10103137A1 (de) 2001-01-24 2002-07-25 Thyssen Nordseewerke Gmbh Vorrichtung zur Steuerung eines Wasserfahrzeuges
WO2003068595A1 (fr) * 2001-03-09 2003-08-21 Power Vent Technologies, Inc. Procede et appareil permettant d'inverser la direction d'un systeme de propulsion marine a arbre unique
DE202004006453U1 (de) * 2004-04-23 2004-11-11 Becker Marine Systems Gmbh & Co. Kg Ruder für Schiffe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008043504A2 *

Also Published As

Publication number Publication date
ZA200902060B (en) 2010-02-24
ES2637788T3 (es) 2017-10-17
CA2667074C (fr) 2011-07-26
US20100186648A1 (en) 2010-07-29
AU2007306675B2 (en) 2012-04-05
MX2009003514A (es) 2009-04-16
DK2077961T3 (en) 2017-09-18
JP2013006598A (ja) 2013-01-10
JP5404403B2 (ja) 2014-01-29
KR101248290B1 (ko) 2013-03-27
ES2637788T8 (es) 2018-07-10
WO2008043504A3 (fr) 2009-05-07
NO20091739L (no) 2009-04-30
CA2667074A1 (fr) 2008-04-17
DE102006047755A1 (de) 2008-04-10
KR20090078340A (ko) 2009-07-17
WO2008043504A2 (fr) 2008-04-17
AU2007306675A1 (en) 2008-04-17
BRPI0718193A2 (pt) 2013-11-05
BRPI0718193B1 (pt) 2019-08-27
HK1134667A1 (en) 2010-05-07
NZ575935A (en) 2012-04-27
NO340384B1 (no) 2017-04-10
EP2077961B1 (fr) 2017-08-02
CN101522515B (zh) 2013-02-27
CN101522515A (zh) 2009-09-02
JP2010505683A (ja) 2010-02-25
US8215255B2 (en) 2012-07-10
PT2077961T (pt) 2017-11-14

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