WO2010110703A1 - Unité de propulsion pour bateau - Google Patents

Unité de propulsion pour bateau Download PDF

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Publication number
WO2010110703A1
WO2010110703A1 PCT/SE2009/000162 SE2009000162W WO2010110703A1 WO 2010110703 A1 WO2010110703 A1 WO 2010110703A1 SE 2009000162 W SE2009000162 W SE 2009000162W WO 2010110703 A1 WO2010110703 A1 WO 2010110703A1
Authority
WO
WIPO (PCT)
Prior art keywords
propulsor
boat
propulsion unit
angle
propeller
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.)
Ceased
Application number
PCT/SE2009/000162
Other languages
English (en)
Inventor
Magnus Eriksson
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.)
Individual
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
Priority to PCT/SE2009/000162 priority Critical patent/WO2010110703A1/fr
Publication of WO2010110703A1 publication Critical patent/WO2010110703A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/005—Equipment to decrease ship's vibrations produced externally to the ship, e.g. wave-induced vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/08—Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
    • 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

Definitions

  • the present invention relates to an electrical propulsion unit for a boat, specifically a planning or semi-planning boat.
  • Drive units of conventional type include two main types, outboard motors, where the motor is rigidly attached to the upper end of the rig, and stern drive units, where the propeller drive unit is mounted on the outside of the stern and mechanically attached to an inboard mounted engine.
  • outboard motors where the motor is rigidly attached to the upper end of the rig
  • stern drive units where the propeller drive unit is mounted on the outside of the stern and mechanically attached to an inboard mounted engine.
  • the propeller cannot however be translated in parallel in the vertical plane.
  • the mechanical power transmission in the stern drive case makes such a movement impossible.
  • the rig's yaw center i.e. the vertical axis around which the drive unit turns, is also positioned close to the stern in all known drive units. It is however more beneficial if the yaw center could be positioned further back closer to the hydrodynamical pivot center of the rig.
  • a torque proportional to the distance between the pivot center and the yaw center is created. This torque will tend to stabilise or destabilise the rig depending on if the yaw center is upstream or downstream of the pivot center. The smaller the distance the smaller is the acting torque and thus the smaller and less powerful actuators can be used to turn the rig. To minimise the power consumed for actuators this distance should be minimised.
  • the present invention solves the conflicting behaviour of the known drive units and admits a vertical movement of the propulsor without changing its angle to the stern, and that the propulsor's interaction with the water can, without restrictions, be arbitrary manoeuvred in 3 dimensions.
  • fig. 1 shows a first embodiment of the invention with the drive motor housed in a submerged pod with a conventional hydraulic steering mechanism
  • fig. 2 shows a second embodiment of the invention with the drive motor vertically arranged above the water and with an electrical steering mechanism
  • fig. 3 shows another view of the invention in fig. 2 showing the vertical adjustable drive unit moved via electrically driven chains
  • fig. 4 shows the inventions in fig. 2 with the vertical adjustable drive unit replaced with one using linear electrical actuators.
  • the propeller angle to the hull can normally be controlled around a vertical axis 4 to turn the boat and turned around a horizontal axis 5 for trimming with hydraulic actuators 6 of the boats running trim.
  • a mechanical power transmission where the motor is mounted inboard and the propeller mounted on the outside can not vertically adjust in parallel the height of the propeller.
  • the electrical propulsion creates the possibilities to trim the rig inward and outward and at the same time adjust the rig vertically the resistance can be minimised by minimising the wet surface of the rig whilst at the same time creating the desired retrimming torque to get the optimal hull running trim.
  • the steering mechanism 14 that turns the boat and the trim system 6 changing the hull trim can be of known type equal to stern drives.
  • one embodiment of the invention shows the steering mechanism 7 fitted with a gearwheel mounted around the drive motor controlled by a smaller electrical drive motor.
  • the trim system 6 in figure 2 is arranged with single or double acting hydraulic pistons similar to what is normal for stern drives.
  • the vertical adjustable drive unit shown in figure 4 is designed in the following way.
  • En sleigh 8 is mounted in a glide bearing 9 which in turn is rigidly mounted to the inside of the stern.
  • the glide bearing can of course be mounted on the outside of the stern.
  • the sleigh is vertically adjustable via a pair of electrical linear actuators 10 which are fastened to the sleigh 8 at the upper end and fastened at the bottom to the glide bearings 9 outer side. Hydraulic actuators can also be used instead of the electrical ones.
  • FIG. 2 Another embodiment of the vertical adjustment unit is shown in figure 2 and 3.
  • the sleigh 8 is moved up and down in the glide bearing 9 via a chain 11 attached to the sleigh 8 and driven by an en electrical motor 12 via a gearwheel.
  • the propulsion motor in the water protective housing can, as shown in fig 1 , be completely or partly submerged into the water in where the housing 2 then is called a pod.
  • the propulsion motor is then aligned in the direction of travel and has the propulsor 3 mounted on a transmission shaft in front or behind the motor close to the pod.
  • it is more advantageous to have the propulsor in front of the pod allowing a larger part of the pod to bed trimmed up and out of the water without lifting the propeller out of the water.
  • the propulsion motor 1 drives the propulsor 3 via an angular gearwheel.
  • the propulsion motor is placed above the water.
  • the propulsor 3 is in certain applications preferably a so-called pumpjet propulsor, shown in figure 1.
  • the size of the components in contact with the water is directly affecting the hydrodynamic resistance. Size in this context is both total wetted surface and the cross-sectional area for the actual appendage.
  • a normal propeller or contra-rotating propellers can be used up to speed of about 35 knots. For speeds above 35 knots a waterjet, pumpjet or a surface piercing propeller be more beneficial.
  • a surface piercing propeller is a suitable propulsor.
  • an optimal position for the surface piercing propeller can be obtained via the adjustable 3 dimensional drive unit.
  • propulsions system can, in addition to the added steering capability of the unit, also act as an integrated heat exchanger for oil or other coolant fluids.
  • Oil cooling plates can also be mounted on the upper part of the pod intended to be washed over with spray originating from a surface piercing propeller.

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)

Abstract

La présente invention a trait à une unité de propulsion électrique destinée à un bateau rapide (13), plus particulièrement un bateau flottant ou semi-flottant. Ladite unité de propulsion est attachée à la poupe et comprend un moteur de propulsion électrique hors-bord (1) dans un boîtier de protection contre l'eau (2) qui via un arbre de transmission sortant est relié à un propulseur semi-immergé (3). L'unité de propulsion est équipée d'une unité d'entraînement pouvant être ajustée verticalement (8, 9, 10; 8, 9, 11, 12) et qui déplace l'unité verticalement sans changer l'angle du propulseur par rapport au bateau, d'un circuit de compensation (6) qui change l'angle du propulseur par rapport au bateau autour d'un axe horizontal (5) et d'un mécanisme d'orientation (7, 14) qui change l'angle du propulseur par rapport au bateau autour d'un axe vertical (4) illimité, jusqu'à 360 degrés.
PCT/SE2009/000162 2009-03-27 2009-03-27 Unité de propulsion pour bateau Ceased WO2010110703A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/SE2009/000162 WO2010110703A1 (fr) 2009-03-27 2009-03-27 Unité de propulsion pour bateau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2009/000162 WO2010110703A1 (fr) 2009-03-27 2009-03-27 Unité de propulsion pour bateau

Publications (1)

Publication Number Publication Date
WO2010110703A1 true WO2010110703A1 (fr) 2010-09-30

Family

ID=42781234

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2009/000162 Ceased WO2010110703A1 (fr) 2009-03-27 2009-03-27 Unité de propulsion pour bateau

Country Status (1)

Country Link
WO (1) WO2010110703A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019202221A1 (fr) * 2018-04-18 2019-10-24 Seair Tableau support intelligent arrière d'asservissement de foils et moteur hors-bord
FR3080359A1 (fr) * 2018-04-18 2019-10-25 Seair Tableau support intelligent arriere d'asservissement de foils et moteur hors-bord
US11208190B1 (en) 2020-06-23 2021-12-28 Brunswick Corporation Stern drives having breakaway lower gearcase
CN115071942A (zh) * 2022-05-27 2022-09-20 广东逸动科技有限公司 船用舷外机、船舶及船用舷外机的控制方法
EP4072935B1 (fr) * 2019-12-10 2024-01-24 Volvo Penta Corporation Unité de coque présentant un système d'hydroptères et navire
USD1026955S1 (en) 2020-06-23 2024-05-14 Brunswick Corporation Stern drive

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3809343A (en) * 1973-01-08 1974-05-07 C Adams Elevator bracket for outboard motor
GB2092539A (en) * 1981-02-10 1982-08-18 Lindqvist Verkstads Ab A steering arrangement for boats
US4878864A (en) * 1986-06-30 1989-11-07 Bentem Fransiscus C A Van Outboard thruster with direct drive hydraulic motor
US5188548A (en) * 1991-01-04 1993-02-23 Outboard Marine Corporation Marine propulsion device mounting arrangement
US5352137A (en) * 1985-05-18 1994-10-04 Sanshin Kogyo Kabushiki Kaisha Automatic position controller for marine propulsions
US20060223390A1 (en) * 2005-03-18 2006-10-05 Silva Richard F Amphibious water motor
DE202006019909U1 (de) * 2006-04-20 2007-07-05 Fischer Panda Gmbh Liftanlage für eine elektrische Maschine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3809343A (en) * 1973-01-08 1974-05-07 C Adams Elevator bracket for outboard motor
GB2092539A (en) * 1981-02-10 1982-08-18 Lindqvist Verkstads Ab A steering arrangement for boats
US5352137A (en) * 1985-05-18 1994-10-04 Sanshin Kogyo Kabushiki Kaisha Automatic position controller for marine propulsions
US4878864A (en) * 1986-06-30 1989-11-07 Bentem Fransiscus C A Van Outboard thruster with direct drive hydraulic motor
US5188548A (en) * 1991-01-04 1993-02-23 Outboard Marine Corporation Marine propulsion device mounting arrangement
US20060223390A1 (en) * 2005-03-18 2006-10-05 Silva Richard F Amphibious water motor
DE202006019909U1 (de) * 2006-04-20 2007-07-05 Fischer Panda Gmbh Liftanlage für eine elektrische Maschine

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019202221A1 (fr) * 2018-04-18 2019-10-24 Seair Tableau support intelligent arrière d'asservissement de foils et moteur hors-bord
FR3080359A1 (fr) * 2018-04-18 2019-10-25 Seair Tableau support intelligent arriere d'asservissement de foils et moteur hors-bord
EP4072935B1 (fr) * 2019-12-10 2024-01-24 Volvo Penta Corporation Unité de coque présentant un système d'hydroptères et navire
US11208190B1 (en) 2020-06-23 2021-12-28 Brunswick Corporation Stern drives having breakaway lower gearcase
US11975812B2 (en) 2020-06-23 2024-05-07 Brunswick Corporation Stern drives having breakaway lower gearcase
USD1026955S1 (en) 2020-06-23 2024-05-14 Brunswick Corporation Stern drive
US12409923B1 (en) 2020-06-23 2025-09-09 Brunswick Corporation Stern drives having breakaway lower gearcase
CN115071942A (zh) * 2022-05-27 2022-09-20 广东逸动科技有限公司 船用舷外机、船舶及船用舷外机的控制方法
CN115071942B (zh) * 2022-05-27 2023-09-05 广东逸动科技有限公司 船用舷外机、船舶及船用舷外机的控制方法

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