EP2077961B1 - Tordiertes schiffsruder und damit ausgerüstetes schiff - Google Patents
Tordiertes schiffsruder und damit ausgerüstetes schiff Download PDFInfo
- Publication number
- EP2077961B1 EP2077961B1 EP07846493.0A EP07846493A EP2077961B1 EP 2077961 B1 EP2077961 B1 EP 2077961B1 EP 07846493 A EP07846493 A EP 07846493A EP 2077961 B1 EP2077961 B1 EP 2077961B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ship
- rudder
- degrees
- angle
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 230000007423 decrease Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 239000000446 fuel Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 1
Images
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 so simplified a flat plate, which is laterally offset from the keel line mounted in the rear of the ship and aligned in the zero degree position exactly parallel to the keel line, so would flow obliquely, thus causing 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.
- 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.
- This object is achieved by two arranged to control the ship, twisted rudder blades, which are provided laterally offset to the keel line.
- the twisting of the rudder blades is adapted to the course of the flow of the water in the region of the respective rudder blade caused by the geometry of the hull, which results from the ship's passage through the water at a rudder angle of zero degrees.
- 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 at a rudder angle of zero degrees, so set an exact straight ahead rudder the angle of attack at the rudder is also exactly zero degrees and if the rudder blades in the direction of travel of the ship is not in operation befindaji propeller.
- 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.
- These values were determined on the concrete example of a given hull form first by simulation and then empirically. Since, as mentioned above, there is a dependence of twisting on the hull geometry, a torsion of up to 20 degrees may not be unrealistic in the fuselage (upper) region of the rudder blade. In the lower (fuselage) area areas of up to 5 degrees are likely to be considered.
- a ship with at least two rudder blades is proposed, which are provided laterally offset from the keel line, the twisting of the blade being adapted to the course of the flow of the water in the region of the respective rudder blade caused by the geometry of the hull.
- the concrete course of the flow is determined primarily by the geometry of the hull, as far as it lies in the water.
- the rudder blades are adapted to this flow, if the rudder blades in the direction of travel of the ship is not preceded by a propeller in operation.
- the rudder blade is not preceded by a propeller.
- a propeller should be upstream, this is not in operation. This means that it is not powered, but is idle, for example.
- 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 hull shape 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 when 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 ship's hull and the smaller one at the bottom of the rudder blade.
- the angle from the hull may drop from 20 degrees at 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.
- no propulsion movement takes place and the flow of water in the hull area essentially depends on the ship's passage through the water and the airfoil is determined by the geometry of the hull. Accordingly, 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, e.g. is idle.
- FIG. 4 FIG. 3 .
- FIG. 2 FIG. 1 ,
- the stern section of the ship is represented by two rudder blades, which are arranged on either side 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.
- FIG. 3 shows another 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.
- FIG. 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 also shows only the rudder blades according to the invention, but in a view from below, so that between these rudder blades of the ship keel would be seen.
- the distortion at the trailing edge of the rudder blades can be seen particularly clearly.
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)
- Toys (AREA)
- Prevention Of Electric Corrosion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Wind Motors (AREA)
- Electric Cable Installation (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Traffic Control Systems (AREA)
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 (de) | 2006-10-06 | 2007-10-08 | Tordiertes schiffsruder und damit ausgerüstetes schiff |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2077961A2 EP2077961A2 (de) | 2009-07-15 |
EP2077961B1 true EP2077961B1 (de) | 2017-08-02 |
Family
ID=38996207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07846493.0A Active EP2077961B1 (de) | 2006-10-06 | 2007-10-08 | Tordiertes schiffsruder und damit ausgerüstetes schiff |
Country Status (18)
Country | Link |
---|---|
US (1) | US8215255B2 (no) |
EP (1) | EP2077961B1 (no) |
JP (2) | JP5404403B2 (no) |
KR (1) | KR101248290B1 (no) |
CN (1) | CN101522515B (no) |
AU (1) | AU2007306675B2 (no) |
BR (1) | BRPI0718193B1 (no) |
CA (1) | CA2667074C (no) |
DE (1) | DE102006047755A1 (no) |
DK (1) | DK2077961T3 (no) |
ES (1) | ES2637788T3 (no) |
HK (1) | HK1134667A1 (no) |
MX (1) | MX2009003514A (no) |
NO (1) | NO340384B1 (no) |
NZ (1) | NZ575935A (no) |
PT (1) | PT2077961T (no) |
WO (1) | WO2008043504A2 (no) |
ZA (1) | ZA200902060B (no) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101323795B1 (ko) * | 2011-11-15 | 2013-10-31 | 삼성중공업 주식회사 | 선박 |
FI3626602T3 (fi) * | 2014-01-31 | 2024-04-02 | K Seven Kk | Ohjauslaite ja menetelmä ohjauslaitetta varten |
US10118696B1 (en) | 2016-03-31 | 2018-11-06 | Steven M. Hoffberg | Steerable rotating projectile |
WO2017202458A1 (en) * | 2016-05-25 | 2017-11-30 | Volvo Penta Corporation | Method and control apparatus for operating a marine vessel |
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 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4398895A (en) * | 1981-05-14 | 1983-08-16 | Asker Gunnar C F | Wind propulsion devices |
Family Cites Families (21)
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 (no) | 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 |
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 |
EP1365951A1 (en) * | 2001-03-09 | 2003-12-03 | Power Vent Technologies, Inc. | Method and apparatus for reverse steering of single shaft marine propulsion system |
DE202004006453U1 (de) * | 2004-04-23 | 2004-11-11 | Becker Marine Systems Gmbh & Co. Kg | Ruder für Schiffe |
-
2006
- 2006-10-06 DE DE102006047755A patent/DE102006047755A1/de not_active Withdrawn
-
2007
- 2007-10-08 PT PT78464930T patent/PT2077961T/pt unknown
- 2007-10-08 NZ NZ575935A patent/NZ575935A/en not_active IP Right Cessation
- 2007-10-08 MX MX2009003514A patent/MX2009003514A/es active IP Right Grant
- 2007-10-08 AU AU2007306675A patent/AU2007306675B2/en not_active Ceased
- 2007-10-08 CA CA2667074A patent/CA2667074C/en not_active Expired - Fee Related
- 2007-10-08 WO PCT/EP2007/008704 patent/WO2008043504A2/de active Application Filing
- 2007-10-08 KR KR1020097009059A patent/KR101248290B1/ko active IP Right Grant
- 2007-10-08 JP JP2009530816A patent/JP5404403B2/ja active Active
- 2007-10-08 CN CN2007800371688A patent/CN101522515B/zh active Active
- 2007-10-08 EP EP07846493.0A patent/EP2077961B1/de active Active
- 2007-10-08 US US12/444,573 patent/US8215255B2/en active Active
- 2007-10-08 BR BRPI0718193A patent/BRPI0718193B1/pt not_active IP Right Cessation
- 2007-10-08 DK DK07846493.0T patent/DK2077961T3/en active
- 2007-10-08 ES ES07846493.0T patent/ES2637788T3/es active Active
-
2009
- 2009-03-25 ZA ZA2009/02060A patent/ZA200902060B/en unknown
- 2009-04-30 NO NO20091739A patent/NO340384B1/no not_active IP Right Cessation
-
2010
- 2010-02-10 HK HK10101492.9A patent/HK1134667A1/xx not_active IP Right Cessation
-
2012
- 2012-09-07 JP JP2012196993A patent/JP2013006598A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4398895A (en) * | 1981-05-14 | 1983-08-16 | Asker Gunnar C F | Wind propulsion devices |
Also Published As
Publication number | Publication date |
---|---|
NZ575935A (en) | 2012-04-27 |
JP5404403B2 (ja) | 2014-01-29 |
KR101248290B1 (ko) | 2013-03-27 |
NO20091739L (no) | 2009-04-30 |
PT2077961T (pt) | 2017-11-14 |
DE102006047755A1 (de) | 2008-04-10 |
ES2637788T8 (es) | 2018-07-10 |
ZA200902060B (en) | 2010-02-24 |
DK2077961T3 (en) | 2017-09-18 |
WO2008043504A3 (de) | 2009-05-07 |
KR20090078340A (ko) | 2009-07-17 |
JP2013006598A (ja) | 2013-01-10 |
US20100186648A1 (en) | 2010-07-29 |
HK1134667A1 (en) | 2010-05-07 |
AU2007306675A1 (en) | 2008-04-17 |
NO340384B1 (no) | 2017-04-10 |
US8215255B2 (en) | 2012-07-10 |
ES2637788T3 (es) | 2017-10-17 |
AU2007306675B2 (en) | 2012-04-05 |
CA2667074C (en) | 2011-07-26 |
EP2077961A2 (de) | 2009-07-15 |
CN101522515B (zh) | 2013-02-27 |
BRPI0718193B1 (pt) | 2019-08-27 |
BRPI0718193A2 (pt) | 2013-11-05 |
CA2667074A1 (en) | 2008-04-17 |
JP2010505683A (ja) | 2010-02-25 |
WO2008043504A2 (de) | 2008-04-17 |
MX2009003514A (es) | 2009-04-16 |
CN101522515A (zh) | 2009-09-02 |
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