EP0811550B1 - Antriebssystem und angetriebenes Boot - Google Patents

Antriebssystem und angetriebenes Boot Download PDF

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Publication number
EP0811550B1
EP0811550B1 EP19970303818 EP97303818A EP0811550B1 EP 0811550 B1 EP0811550 B1 EP 0811550B1 EP 19970303818 EP19970303818 EP 19970303818 EP 97303818 A EP97303818 A EP 97303818A EP 0811550 B1 EP0811550 B1 EP 0811550B1
Authority
EP
European Patent Office
Prior art keywords
boat
drive means
motor
keel portion
shaft
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
EP19970303818
Other languages
English (en)
French (fr)
Other versions
EP0811550A2 (de
EP0811550A3 (de
Inventor
Robert Duncan Glen
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.)
Barrus EP Ltd
EP Barrus Ltd
Original Assignee
Barrus EP Ltd
EP Barrus 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
Application filed by Barrus EP Ltd, EP Barrus Ltd filed Critical Barrus EP Ltd
Publication of EP0811550A2 publication Critical patent/EP0811550A2/de
Publication of EP0811550A3 publication Critical patent/EP0811550A3/de
Application granted granted Critical
Publication of EP0811550B1 publication Critical patent/EP0811550B1/de
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
    • 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
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/38—Keels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/22—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing
    • B63H23/24—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/38—Keels
    • B63B2003/387—Keels adapted for housing propulsion plant elements

Definitions

  • the invention relates to drive means for a boat, to a boat having drive means and to a method of installing drive means into an existing boat to replace existing drive means.
  • One way to convert a boat having an existing petrol-driven outboard motor is to replace that outboard motor with a diesel-driven outboard motor.
  • diesel engines are heavier than petrol engines, this can easily alter the performance of the boat by virtue of the increased loading at the stern.
  • a petrol-driven inboard motor or stem drive can be removed and replaced with a diesel-driven drive, but the boat will have been designed for a specific type of drive and an alternative type will not always be adequately accommodated in the respective boat.
  • US-A-3 405 677 on which the preamble of claim 1 is based, discloses a surfboard provided with drive means consisting of a propeller driven by an electrical motor and a battery.
  • the propeller, the electrical motor and the battery are mounted within a fin that projects downwardly from the platform of the surfboard.
  • the position of the fin is fixed relative to the platform of the surfboard, and the position of the battery within the fin is fixed relative to the position of the electrical motor within the fin.
  • US-A-2 692 570 discloses a vessel having one or more self-contained propulsion units attached to the underside of the hull of the vessel. The or each propulsion unit is attached to the underside of the vessel's hull.
  • the invention provides drive means for a boat as claimed in claim 1, a boat as claimed in claims 15 and 18 and a method of converting an existing boat as claimed in claim 23. Further and advantageous features are set out in the subsidiary claims.
  • the motor can be adapted for use with any appropriate engine, power pack or battery pack, such as diesel, hydraulic, electric or diesel-electric.
  • the engine or power pack can be positioned at any convenient point within the boat so as to allow the position of the overall centre of gravity to be adjusted to suit the particular task to which the boat is put This arrangement means that less deckspace is taken up by the drive means and the deckspace that remains can be used as desired with great flexibility.
  • Existing boats can be fitted with the drive means of the invention quickly and easily.
  • the existing drive means can be removed and an aperture can be cut in the hull such that a new keel portion can be affixed to the hull so as to close and seal the aperture.
  • the drive means can be provided in the form of a sealed keel portion ready to be attached to the hull of the existing boat, together with a portable power pack which can be placed inside the boat ready for immediate use.
  • the other advantage of making use of a portable power pack apart from its versatility in adjusting the centre of gravity of the boat, is that it can be easily be replaced in the event of a breakdown or when servicing is required.
  • FIG. 1 illustrates a boat 10 essentially comprising a hull 12, drive means 14 and directional steering apparatus 16. Further features such as a cabin, seating, storage compartments, etc. may of course be provided but are not illustrated here for the sake of clarity.
  • the directional steering apparatus 16 are illustrated here as a rudder. The rudder 16 can of course be replaced by other conventional steering devices.
  • the drive means 14 is illustrated in Figure 2.
  • the drive means 14 comprises a keel portion 18 which incorporates an upper keel portion 18a and a rear keel portion 18b
  • the keel portion 18,18a,18b is preferably manufactured from fibreglass although other materials such as, for example, stainless steel can also be used.
  • the keel portion 18,18a,18b defines a cavity 20 which is separated into three compartments 20a,20b,20c by means of two bulkheads 22a,22b.
  • the bulkheads 22a,22b are preferably manufactured from the same material as the keel portion 18,18a,18b.
  • An upper sealing member 24 extends substantially horizontally between the walls of the keel portion 18 so as to enclose the cavity 20 and to provide a delimiting boundary between the upper keel portion 18a and the remainder of the keel portion 18.
  • Sealable access ports 26 are preferably provided in the sealing member 24 so as to provide access to each of the individual compartments 20a,20b,20c. It will be appreciated that any or all of these access ports 26 can be omitted if desired.
  • a motor 28 is securely mounted on the bulkhead 22a
  • the drive shaft 30 of the motor 28 forms a propeller shaft for the propeller 32.
  • the drive shaft 30 is arranged to pass through the bulkhead 22a and through the rear keel portion 18b so as to support the propeller 32 in clear water immediately behind the keel portion 18.
  • the keel portion 18 provides protection for the propeller 32 to prevent the propeller blades from coming into contact with the waterway bed or anything lying thereon.
  • the propeller shaft 30 incorporates thrust bearings and seals such that the ingress of water into the compartment 20a is minimised and the ingress of water into the compartment 20b is eliminated.
  • water extracting means in the form of a pump 34 are placed in the lowermost region of the compartment 20a with its outlet 35 connected to a port (not shown) located above the waterline of the boat 10.
  • the shaft 30 and motor 28 can be completely encased in a water-repellent, corrosion-preventative coating.
  • Connectors 36 which allow the motor 28 to be connected to an engine or power pack are provided on the bulkhead 22b with suitable connections running between the connectors 36 and the motor 28.
  • the connectors 36 are accessed through the compartment 20c.
  • the connectors 36 can be connected to further connectors (not shown) located on the upper surface of the sealing member 24 so that access into the compartment 20c is unnecessary.
  • the connectors 36 are housed within the separate compartment 20c and protected from possible damage during the installation of the drive means 14 in a boat by means of the sealing member 24.
  • the connectors can be located on the bulkhead 22a or connected to further connectors located towards the rear of the upper sealing member 34, as illustrated in dotted lines in Figure 2.
  • the connectors 36 are used to connect the motor 28 to an engine or power pack 38 via flexible connectors 37 as illustrated in Figure 1.
  • the nature of the engine or power pack 38 will depend upon the type of motor 28 which is installed in the cavity 20b.
  • the engine or power pack 38 must be matched to the motor 28.
  • the motor 28 is an hydraulic motor
  • the engine or power pack must consist of a diesel-hydraulic engine. It will be appreciated that a diesel engine can be used to power a hydraulic motor and an electric power pack can be used to power an electric motor. All these types of motor and power pack are suitable for use in this field. It is preferred that the engine or power pack has diesel as a suitable fuel.
  • an hydraulic power pack 38 will include a diesel engine, a pump and an hydraulic reservoir.
  • a diesel power pack will incorporate a diesel engine, a pump and a fuel tank. All of the components will be mounted within a casing or framework, preferably in a vibration-resistant manner and in sufficiently close proximity to enable the combination of components to be manoeuvred between different locations. This allows the power pack 38 to be positioned at any convenient location within the boat 10 so as to optimise the position of the centre of gravity and thereby improve the performance of the boat as a whole. Utilisation of the available deckspace can therefore be optimised. If additional weight is required at the bow, the power pack 38 can be placed forwardly, as illustrated in Figure 1.
  • the keel portion 18 can, if required, be formed integrally with the hull 12 of the boat 10 during initial manufacture. In this case, the upper portion 18a is effectively dispensed with by being incorporated into the material of the hull 12.
  • drive means as described above can replace existing drive means in an existing boat. In such circumstances, the existing drive means can be removed from the existing boat and drive means 14 can then be added in the following manner.
  • the position of the drive means 14 must be determined.
  • An aperture 40 is then cut in the appropriate position in the hull 42 of the existing boat as shown in Figure 3a.
  • the upper portion 18a of the keel portion 18 is shaped so as to exactly match the lip of the aperture 40 by cutting away unwanted areas of the upper portion 18a.
  • the upper portion 18a is essentially expendable and can be trimmed and shaped such that the lip of the aperture 40 is matched exactly.
  • the keel portion 18 is then fixedly attached to the hull 42 so as to close and seal the aperture 40. If the hull 42 and keel portion 18 are made from fibreglass, then a fibreglass connection is used.
  • hull 42 and keel portion 18 are manufactured from weldable metals, then a welded connection is made. The connection could also be made by bolting the relevant parts together with a seal member clamped therebetween. In any event, the connection between the upper portion 18a of the keel portion 18 and the lip of the aperture 40 in the hull 42 must be completely water-tight. An appropriate power pack is then introduced to the interior of the hull 42 and connected to the connectors 36 via flexible connectors 37 (not shown in Figure 3) and the drive means are then ready for use.
  • directional steering means must also be added to the existing boat. As illustrated in Figure 1, this can be in the form of a rudder 16.
  • alternative directional steering means can also be used, such as nozzles. Nozzles will be known to the skilled reader who will also appreciate that nozzles incorporating a reverse-thrust facility are particularly advantageous.
  • the fixed position of the propeller 32 allows a nozzle of this type to be utilised and incorporated in the drive means of the invention fitted to the rear of the keel portion 18.
  • an existing boat designed for use on inland waterways will not have a keel.
  • the provision of a keel on the hull of such a boat provides additional directional stability which is advantageous when navigating narrow waterways.
  • the location of the majority of the components of the drive means beneath the hull of the boat means that less accommodation space is taken up by drive means. Nevertheless, the components of the drive means are easily accessible for servicing and maintenance.
  • the provision of a portable power pack which is easily connectable and disconnectable from the motor also allows the power pack to be removed and replaced periodically which leads to the boat being out of service for routine maintenance for shorter periods of time.
  • drive means according to the invention can also be fitted to an existing boat already incorporating a keel.
  • the keel portion 18 would normally then be fitted rearwardly of the existing keel. The provision of an additional keel will not normally detract from the performance of the boat.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Claims (23)

  1. Antriebseinrichtung (14) für ein Boot (10), umfassend einen Propeller (32) oder einen Impeller, der auf einer Welle (30) angebracht ist, und einen Motor (28) zum Antreiben der Welle (30), wobei der Motor (28) und wenigstens ein Teil der Welle (30) innerhalb eines Hohlraums (20) untergebracht sind, der durch einen Kielabschnitt (18) definiert wird, der an einem Teil des Schiffskörpers des Boots (14) anbringbar ist oder einen Teil davon bildet, dadurch gekennzeichnet, dass der Motor flexible Verbinder (37) für eine Verbindung zu einem Maschinen-(38) oder Energiepaket aufweist, dessen Position bezüglich des Motors (28) gewählt oder eingestellt werden kann, während es mit dem Motor (28) verbunden bleibt.
  2. Antriebseinrichtung nach Anspruch 1, wobei der Motor (28) direkt mit der Welle (30) verbunden ist.
  3. Antriebseinrichtung nach Anspruch 1 oder 2, wobei der Hohlraum (20) in eine Vielzahl von Räumen (20a, 20b, 20c) aufgeteilt ist.
  4. Antriebseinrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der Motor innerhalb eines Raums (20b) untergebracht ist, der gegen das Eindringen von Wasser abgedichtet ist.
  5. Antriebseinrichtung nach Anspruch 4, wobei eine Wasserextraktionseinrichtung (34) in dem Raum (20b), in dem der Motor untergebracht ist, angeordnet ist.
  6. Antriebseinrichtung nach Anspruch 3, 4 oder 5, wobei der Teil der Welle (30), die innerhalb des Hohlraums (20) untergebracht ist, sich durch einen Raum (20a) erstreckt, in dem eine Wasserextraktionseinrichtung (34) angeordnet ist.
  7. Antriebseinrichtung nach irgendeinem der vorangehenden Ansprüche, wobei der Motor (28) und/oder die Welle (30) mit einem korrosionsbeständigen Material beschichtet sind.
  8. Antriebseinrichtung nach irgendeinem der vorangehenden Ansprüche, ferner umfassend ein Maschinen-(38) oder Energiepaket, das mit dem Motor (28) verbunden oder verbindbar ist.
  9. Antriebseinrichtung nach irgendeinem der vorangehenden Ansprüche, ferner umfassend eine Steuereinrichtung.
  10. Antriebseinrichtung nach irgendeinem der vorangehenden Ansprüche, ferner umfassend eine Einrichtung, um den Propeller oder Impeller zu veranlassen, einen umgekehrten Schub bereitzustellen.
  11. Antriebseinrichtung nach irgendeinem der vorangehenden Ansprüche, wobei der Kielabschnitt (18) aus Fiberglas gebildet ist.
  12. Antriebseinrichtung nach irgendeinem der vorangehenden Ansprüche, wobei der Kielabschnitt (18) einen oberen Kielabschnitt aufweist, der an die Form des Schiffskörpers des Boots angepasst werden kann, um eine Anbringung daran zu erleichtern.
  13. Antriebseinrichtung nach Anspruch 12, wobei ein transversales Abdichtungselement (24) innerhalb des Hohlraums unter dem oberen Abschnitt und über dem Motor (28) und der Welle (30) vorgesehen ist.
  14. Antriebseinrichtung nach Anspruch 13, wobei wenigstens eine abdichtbare Zugangsöffnung (26) in dem transversalen Abdichtungselement (24) vorgesehen ist.
  15. Boot, in das eine Antriebseinrichtung nach irgendeinem der vorangehenden Ansprüche eingebaut ist.
  16. Boot nach Anspruch 15, wobei der Kielabschnitt (18) der Antriebseinrichtung der einzige Kielabschnitt, der bereitgestellt ist, ist.
  17. Boot nach Anspruch 15, wobei der Kielabschnitt (18) der Antriebseinrichtung zusätzlich zu wenigstens einem weiteren Kielabschnitt vorgesehen ist.
  18. Boot (10) mit einem Schiffskörper (12), einem Kielabschnitt (18), einem Propeller (32) oder Impeller, der auf einer Welle (30) angebracht ist, und einem Motor zum Antreiben der Welle, wobei der Kielabschnitt einen Hohlraum (20) definiert und der Motor (28) und wenigstens ein Teil der Welle (30) innerhalb des Hohlraums (20) untergebracht sind, wobei der Motor (28) flexible Verbinder (37) zur Verbindung mit einem Maschinen-(38) oder Energiepaket aufweist, dessen Position in bezug auf den Motor (28) in dem Schiffskörper (12) gewählt oder eingestellt werden kann, während es mit dem Motor (28) verbunden bleibt.
  19. Boot (10) nach Anspruch 18, wobei der Kielabschnitt (18) integral mit dem Schiffskörper (12) des Boots gebildet ist.
  20. Boot (10) nach Anspruch 18 oder 19, ferner beinhaltend eines oder mehrere der Merkmale der Ansprüche 2 bis 11.
  21. Boot (10) nach irgendeinem der Ansprüche 18 bis 20, wobei ein transversales Abdichtungselement (24) innerhalb des Hohlraums (20) über dem Motor (28) und der Propellerwelle (30) vorgesehen ist.
  22. Boot nach Anspruch 21, wobei wenigstens eine abdichtbare Zugangsöffnung (26) in dem transversalen Abdichtungselement vorgesehen ist.
  23. Verfahren zum Umwandeln eines existierenden Boots in ein Boot nach irgendeinem der Ansprüche 15 bis 17, umfassend die Schritte zum Bilden einer Öffnung in dem Schiffskörper des Boots entsprechend zu der Form des Kielabschnitts, Anpassen des Kielabschnitts an die Form des Schiffskörpers, und Anbringen des Kielabschnitts an dem Schiffskörper, um so die Öffnung zu verschließen und abzudichten.
EP19970303818 1996-06-04 1997-06-04 Antriebssystem und angetriebenes Boot Expired - Lifetime EP0811550B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9611586 1996-06-04
GB9611586A GB2313819B (en) 1996-06-04 1996-06-04 drive means and a boat having drive means

Publications (3)

Publication Number Publication Date
EP0811550A2 EP0811550A2 (de) 1997-12-10
EP0811550A3 EP0811550A3 (de) 1998-09-23
EP0811550B1 true EP0811550B1 (de) 2002-03-13

Family

ID=10794698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970303818 Expired - Lifetime EP0811550B1 (de) 1996-06-04 1997-06-04 Antriebssystem und angetriebenes Boot

Country Status (3)

Country Link
EP (1) EP0811550B1 (de)
DE (1) DE69710946T2 (de)
GB (1) GB2313819B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9914909D0 (en) * 1999-06-26 1999-08-25 Warzytz Paul Boat
DE202009019046U1 (de) * 2009-06-15 2015-11-16 Peter Landers jun. Schiff mit einer diesel-elektrischen Antriebsvorrichtung
NO331224B1 (no) * 2010-03-31 2011-11-07 Scana Volda As Propellfremdriftssystem for flytende konstruksjoner

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB278480A (en) * 1926-08-13 1927-10-13 Archibald Neil Campbell Improvements in and relating to the construction of water craft
US2371478A (en) * 1943-04-05 1945-03-13 Archie A Steele Boat hull
GB568144A (en) * 1943-09-14 1945-03-20 Richard Bernard Hicks Improvements in or relating to yachts
GB611430A (en) * 1944-09-21 1948-10-29 Herman Cornelissen Improvements relating to keels for surface water craft
US2692570A (en) * 1950-07-24 1954-10-26 Costa William Ship propulsion device combined with hull structure
US3238911A (en) * 1964-06-11 1966-03-08 Pazulski Lucian Auxiliary sail boat
US3405677A (en) * 1966-12-01 1968-10-15 Robert C. Smith Motorized surfboard
US3536025A (en) * 1968-08-21 1970-10-27 Leisure Ind Motorized surfboard
DE2848614A1 (de) * 1978-11-09 1980-05-22 Martin Dipl Ing Bard Kielboot
US5220878A (en) * 1990-04-09 1993-06-22 Kabushiki Kaisha Naval Engineering Hull for sailing ship
US5103752A (en) * 1990-04-09 1992-04-14 Kabushiki Kaisha Naval Engineering Hull for sailing ship

Also Published As

Publication number Publication date
DE69710946T2 (de) 2002-11-28
EP0811550A2 (de) 1997-12-10
GB2313819B (en) 2000-07-26
GB9611586D0 (en) 1996-08-07
GB2313819A (en) 1997-12-10
EP0811550A3 (de) 1998-09-23
DE69710946D1 (de) 2002-04-18

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