EP0820330B1 - Boat for divers - Google Patents

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Publication number
EP0820330B1
EP0820330B1 EP96907996A EP96907996A EP0820330B1 EP 0820330 B1 EP0820330 B1 EP 0820330B1 EP 96907996 A EP96907996 A EP 96907996A EP 96907996 A EP96907996 A EP 96907996A EP 0820330 B1 EP0820330 B1 EP 0820330B1
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EP
European Patent Office
Prior art keywords
hull
boat
propeller
divers
flow
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EP96907996A
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German (de)
French (fr)
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EP0820330A1 (en
Inventor
Jürgen Grimmeisen
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Individual
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B35/00Swimming framework with driving mechanisms operated by the swimmer or by a motor
    • A63B35/08Swimming framework with driving mechanisms operated by the swimmer or by a motor with propeller propulsion
    • A63B35/12Swimming framework with driving mechanisms operated by the swimmer or by a motor with propeller propulsion operated by a motor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63CLAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/46Divers' sleds or like craft, i.e. craft on which man in diving-suit rides

Definitions

  • the invention is based on a motor watercraft the genus of the main claim.
  • Motor water vehicles belong to the group of motor-driven Watercraft, in which the one controlling the watercraft Person using this on or under the water surface is pulled.
  • the watercraft serves as Movement aid for the swimmer and diver and is also known as wet diving boat because the swimmer or Divers in no extra cabin or on the vehicle sits, but is in direct contact with the water.
  • a known generic motor watercraft (WO / A 92/00124) is in a curved flow channel a propeller driven by an electric motor arranged, the vehicle being arranged at the rear Handles are controlled by the person to be pulled. This person is largely exposed to the current, which is tiring.
  • the batteries are built into the fuselage, so that to charge the entire vehicle to the charging station must be brought and therefore, as long as loading, for the operation fails.
  • FR 1 584 195 In another known underwater vehicle (FR 1 584 195) the diver also lies face down on the device. Around here at least a little before the fairway flow can be protected by a transparent protective bell on the device be attached, which the head of the diver in front of the Current protects. Drive units are detachable on the Platform underside arranged.
  • the motor watercraft according to the invention with the has characteristic features of the main claim on the other hand the advantage that the propeller sucked water flow through the in the fuselage arranged flow channel the propeller largely is supplied laminar. Through the flow channel Water flow generated by the propeller then like this directed that on the one hand it does not hit the person's body and on the other hand is led slightly downwards, whereby the Depth control of the watercraft is simplified.
  • Another advantage of the invention is that the motor and the Control units above the flow channel in the fuselage are arranged, which results in a favorable weight distribution results, so that the at least partially on the Motor watercraft person lying the watercraft can be easily controlled since the drive flow is eccentric to the Center of gravity and thus the weight of the Person is easier to use for control.
  • Another advantage of the invention is that by the bow of the fuselage arranged flow structure in Combination with the flow channel arranged in the fuselage the fairway flow at the one controlling the watercraft Person is largely escorted by on diving trips.
  • Electric motor outside the flow channel in the fuselage arranged.
  • Such an arrangement has the advantage that in Flow channel no unnecessary turbulence and resistance in the water flow, which adversely affects the Efficiency of the drive impact through those arranged there Drive units arise.
  • the battery is in a separate removable and am Fuselage attachable container arranged.
  • Such Arrangement has the advantage that the batteries if necessary are quick and easy to replace.
  • the battery containing, in the direction of travel of the Watercraft detachable, container on the bottom of the hull arranged.
  • the electrical connection of the battery to the Control unit takes place via a plug connection between Bottom of the fuselage and top of the tank.
  • handles and body are ergonomically designed to fit in Connection with the person, especially through their Shifting weight, controlling the motor watercraft in a simple and convenient way.
  • a swimming bladder the volume of which is in the Can be enlarged or expanded for descent and emergence if necessary is scalable. This aid is useful to the diver particularly advantageous because the diver at least partly on the motor watercraft and not just is dragged behind this.
  • a rope bag is arranged in the housing, so that if necessary there is always a rope.
  • a bypass channel can be provided which the propeller to avoid big Loss of flow flow past such objects to let.
  • the device controlling the speed is released when the Handle (2) by the person immediately to zero speed posed. This is mainly achieved when the diver the motor watercraft automatically loses its The trip stops.
  • the shaft of the propeller in a bearing block arranged, which via radial struts on the wall of the Flow channel is attached. That way they are Storage of the propeller and electric motor entirely attached separately from each other on the housing.
  • the shaft penetrates the wall of the flow channel in the Area of curvature of the flow channel.
  • a transmission available preferably a belt drive or is a gear transmission and that is inside the housing is arranged.
  • display devices for on the outer surface of the fuselage Battery charge, depth, etc. in the diver's field of vision arranged to clear the diver over to inform certain data.
  • an inventive motor watercraft is in the Side view shown, the diver or the Float on top of hull 1 at least partially rests and holds on handles 2, which on both sides of the Fuselage are arranged.
  • Measuring devices 3 arranged, such as a Battery charger, a depth gauge or the like.
  • Measuring devices 3 arranged, such as a Battery charger, a depth gauge or the like.
  • the rest of the hull is as hydrodynamic as possible, in particular it shows the fairway flow redirecting to the person controlling the watercraft redirecting flow structure 4.
  • Flow channel 5 is arranged, with one in the front Area of the fuselage 1 existing inlet opening 6 and one on the stern side of the fuselage Outlet opening 7. This flow channel 5 is to the rest Interior 8 of the fuselage 1 sealed.
  • an electric motor 11th and a transmission 12 arranged one in the Flow channel leading shaft 13 actuated there in one Bearing 14 is arranged and a propeller 15 is actuated.
  • the batteries 9 are located on the underside 16 of the fuselage arranged container 17.
  • the container 17 is in Flow direction on the fuselage using a Fastening device 18 attached. Via the plug connection 19 becomes the control unit electronics with the battery power connected.
  • the diver can be pulled by the motor watercraft, by holding onto the handles 2 and from there the Speed of the propeller 15 controls, being for the drive Water through the inlet opening 6 into the flow channel 5 is sucked and conveyed out through the outlet opening 7, the motor watercraft being driven in the water.
  • Inlet 6 and outlet opening 7 are in this case by means of Slats or grilles secured so that direct access to the impeller screw is not possible.
  • the Motor watercraft primarily serve the handles 2, over which the diver determines a relative change in the position of his body to the Motor watercraft achieved, which is steerable. It is however also conceivable with the motor watercraft Control fins to be provided, either by hand or are electrically controllable.
  • Fig. 2 the drive part of the motor watercraft is related shown enlarged on Fig. 1.
  • a sheet 22 which is a frame 23 carries, on the one hand the electric motor 11 and on the other hand, the transmission 12 is arranged.
  • the Transmission has two pulleys 24 different Diameter to the high speed of the motor 11 on the required low speed of the propeller 15 to step down.
  • a belt 25 is used for speed transmission.
  • the shaft 13 is in its passage passed through the channel wall 21 in a tube 27, the its outer jacket is well sealed towards the channel wall 21 and leads to a bearing block 28 of the bearing 14 which radial struts 29 is attached to the channel wall 21.
  • Bearing blocks 28 are ball bearings 31 for the shaft 13 provided, as well as needle bearing 32 for a rotary the shaft 13 connected shaft bolt 33 on which the Propeller 15 is attached.
  • the liaison office between the tube 27 and the bearing block 28 is sealing executed.
  • the two can via a lubrication line 35 Bearings 31 and 32 are supplied with lubricant.
  • Ball bearings 36 mounted, which are arranged in the frame 23. The Smooth running is also important for the storage of the top Transmission shaft 32 ball bearings provided.

Description

Stand der TechnikState of the art

Die Erfindung geht aus von einem Motorwasserfahrzeug nach der Gattung des Hauptanspruchs. Motorwasserfahrzeuge gehören zu der Gruppe der motorangetriebenen Wasserfahrzeuge, bei denen die das Wasserfahrzeug steuernde Person mit Hilfe dieses auf oder unter der Wasseroberfläche gezogen wird. Das Wasserfahrzeug dient als Fortbewegungshilfe für den Schwimmer und Taucher und ist auch als Naßtauchboot bekannt, da der Schwimmer bzw. Taucher in keiner extra Kabine oder auch auf dem Fahrzeug sitzt, sondern unmittelbar mit dem Wasser in Kontakt ist.The invention is based on a motor watercraft the genus of the main claim. Motor water vehicles belong to the group of motor-driven Watercraft, in which the one controlling the watercraft Person using this on or under the water surface is pulled. The watercraft serves as Movement aid for the swimmer and diver and is also known as wet diving boat because the swimmer or Divers in no extra cabin or on the vehicle sits, but is in direct contact with the water.

Bei einem bekannten gattungsgemäßen Motorwasserfahrzeug (WO/A 92/00124) ist in einem gekrümmten Strömungskanal ein durch einen Elektromotor angetriebener Propeller angeordnet, wobei das Fahrzeug über am Heck angeordnete Griffe von der zu ziehenden Person gesteuert wird. Diese Person ist weitgehend der Strömung ausgesetzt, was ermüdend ist. Außerdem sind die Batterien in den Rumpf eingebaut, so daß zum Laden derselben das gesamte Fahrzeug an die Ladestation gebracht werden muß und deshalb, solange geladen wird, für den Betrieb ausfällt.In a known generic motor watercraft (WO / A 92/00124) is in a curved flow channel a propeller driven by an electric motor arranged, the vehicle being arranged at the rear Handles are controlled by the person to be pulled. This person is largely exposed to the current, which is tiring. In addition, the batteries are built into the fuselage, so that to charge the entire vehicle to the charging station must be brought and therefore, as long as loading, for the operation fails.

Bei einem bekannten Motorwasserfahrzeug (DE-GM 90 05 333) ist ein zylindrischer Hauptkörper vorhanden, in dem die Batterie und sonstige Steuerteile angeordnet sind und an dessen Heck ein ringförmiger Körper angeordnet ist, in dem sowohl der Motor als auch die Wasserschraube angeordnet sind. Dieses Gerät kann sowohl zum Antrieb eines Schlauchbootes als auch einer Einzelperson dienen, wobei die durch den ringförmigen Körper erzeugte Wasserströmung nicht nur beim direkten Antrieb auf die zu transportierende Person trifft.In a known motor watercraft (DE-GM 90 05 333) there is a cylindrical main body in which the Battery and other control parts are arranged and at its Stern is an annular body in which both the Motor as well as the water screw are arranged. This Device can be used to drive an inflatable boat as well serve an individual, the through the annular Body-generated water flow not only in direct Drive hits the person to be transported.

Bei einem anderen bekannten "Wasserfahrzeug für Badende" (DE 880 565) wird der Badende im Schlepp des Wasserfahrzeugs gezogen. Eine Steuerung des Wasserfahrzeugs durch den Badenden ist nur schwerlich möglich, zudem der Badende dem Wasserwiderstand voll ausgesetzt ist und zusätzlich die durch das Antriebsaggregat erzeugte Wasserströmung auf den Badenden trifft.Another known "watercraft for bathers" (DE 880 565) the bather is towed by the Watercraft pulled. A control of the watercraft by the bather is hardly possible, moreover the Bather is fully exposed to water resistance and additionally that generated by the drive unit Water flow hits the bathers.

Demgegenüber weist ein bekanntes Motorwasserfahrzeug (US 5,158,034) eine eben ausgestaltete Plattform auf, auf welcher die Person bäuchlings liegt. Das sich in einer Strömungsglocke befindliche Antriebsaggregat ist auf der Plattformunterseite angeordnet. Die das Gerät steuernde Person ist hierbei während Tauchfahrten der Fahrwasserströmung voll ausgesetzt.In contrast, a known motor watercraft (US 5,158,034) on a flat platform on which the person lies on his stomach. That is in a flow bell located drive unit is on the underside of the platform arranged. The person controlling the device is here Diving trips fully exposed to the fairway current.

Bei einem anderen bekannten Unterwasserfahrzeug (FR 1 584 195) liegt der Taucher ebenfalls bäuchlings auf dem Gerät. Um sich hier zumindest ein wenig vor der Fahrwasserströmung zu schützen kann eine durchsichtige Schutzglocke an dem Gerät angebracht werden, welche den Kopf des Tauchers vor der Strömung schützt. Antriebsaggregate sind lösbar an der Plattformunterseite angeordnet.In another known underwater vehicle (FR 1 584 195) the diver also lies face down on the device. Around here at least a little before the fairway flow can be protected by a transparent protective bell on the device be attached, which the head of the diver in front of the Current protects. Drive units are detachable on the Platform underside arranged.

Bei einem weiteren bekannten Schwimmkörper für den Unterwassersport (DE 30 06 613) ist auf der Unterseite des Schwimmkörpers das Unterwasserantriebsaggregat fahrwasserströmungsgeschützt angeordnet. Der Badende ist auch bei diesem Gerät bei Tauchfahrten, im Gegensatz zu dem Antriebsaggregat, der Fahrwasserströmung voll ausgesetzt.In another known float for Underwater sports (DE 30 06 613) is on the bottom of the Float the underwater drive unit arranged fairway protected. The bather is also with this device when diving, in contrast to that Drive unit, fully exposed to the fairway flow.

Zwar ist bei manchen bekannten Wasserfahrzeugen (US 4,971,584) anderer Gattung zum Fahren nur auf der Wasseroberfläche das Antriebsaggregat in dem Rumpf des Wasserfahrzeugs angeordnet und die Antriebsschraube liegt in einem im Rumpf angeordnet Strömungskanal. Ein Abtauchen ist mit diesen sogenannten "Waterbikes" nicht möglich.In some known watercraft (US 4,971,584) of another type for driving only on the Water surface the drive unit in the hull of the Watercraft arranged and the drive screw lies in a flow channel arranged in the fuselage. A dive is not possible with these so-called "water bikes".

Die Erfindung und ihre VorteileThe invention and its advantages

Das erfindungsgemäße Motorwasserfahrzeug mit den kennzeichnenden Merkmalen des Hauptanspruchs hat demgegenüber den Vorteil, daß der vom Propeller angesaugte Wasserstrom durch den in dem Rumpf angeordneten Strömungskanal dem Propeller weitgehend laminar zugeführt wird. Durch den Strömungskanal wird die vom Propeller erzeugte Wasserströmung dann so geleitet, daß sie einerseits nicht auf den Körper der Person trifft und andererseits leicht nach unten geführt wird, wodurch die Tiefensteuerung des Wasserfahrzeugs vereinfacht wird.The motor watercraft according to the invention with the has characteristic features of the main claim on the other hand the advantage that the propeller sucked water flow through the in the fuselage arranged flow channel the propeller largely is supplied laminar. Through the flow channel Water flow generated by the propeller then like this directed that on the one hand it does not hit the person's body and on the other hand is led slightly downwards, whereby the Depth control of the watercraft is simplified.

Ein weiterer Vorteil der Erfindung ist, daß der Motor und die Steuergeräte oberhalb des Strömungskanals im Rumpf angeordnet sind, wodurch sich eine günstige Gewichtsverteilung ergibt, so daß die mindestens teilweise auf dem Motorwasserfahrzeug liegende Person das Wasserfahrzeug leicht steuern kann, da die Antriebsströmung exzentrisch zum Schwerpunkt verläuft und dadurch das Eigengewicht der Person zum Steuern leichter einsetzbar ist.Another advantage of the invention is that the motor and the Control units above the flow channel in the fuselage are arranged, which results in a favorable weight distribution results, so that the at least partially on the Motor watercraft person lying the watercraft can be easily controlled since the drive flow is eccentric to the Center of gravity and thus the weight of the Person is easier to use for control.

Ein weiterer Vorteil der Erfindung ist, daß durch den am Bug des Rumpfes angeordneten Strömungsformaufbau in Kombination mit dem im Rumpf angeordneten Strömungskanal die Fahrwasserströmung an der das Wasserfahrzeug steuernden Person bei Tauchfahrten weitgehend vorbeigeleitet wird.Another advantage of the invention is that by the bow of the fuselage arranged flow structure in Combination with the flow channel arranged in the fuselage the fairway flow at the one controlling the watercraft Person is largely escorted by on diving trips.

Nach einer vorteilhaften Ausgestaltung der Erfindung ist der Elektromotor außerhalb des Strömungskanals im Rumpf angeordnet. Eine solche Anordnung hat den Vorteil, daß im Strömungskanal keine unnötigen Turbulenzen und Widerstände in der Wasserströmung, die sich nachteilig auf den Wirkungsgrad des Antriebs auswirken, durch dort angeordnete Antriebsaggregate, entstehen.According to an advantageous embodiment of the invention Electric motor outside the flow channel in the fuselage arranged. Such an arrangement has the advantage that in Flow channel no unnecessary turbulence and resistance in the water flow, which adversely affects the Efficiency of the drive impact through those arranged there Drive units arise.

Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung ist die Batterie in einem separaten abnehmbaren und am Rumpf befestigbaren Behälter angeordnet. Eine solche Anordnung hat den Vorteil, daß die Batterien im Bedarfsfall schnell und einfach austauschbar sind.According to a further advantageous embodiment of the invention the battery is in a separate removable and am Fuselage attachable container arranged. Such Arrangement has the advantage that the batteries if necessary are quick and easy to replace.

Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung ist der die Batterie enthaltende, in Fahrtrichtung des Wasserfahrzeugs abnehmbare, Behälter an der Rumpfunterseite angeordnet. Die elektrische Verbindung der Batterie mit dem Steuergerät erfolgt über eine Steckverbindung zwischen Rumpfunterseite und Behälteroberseite. Eine solche Anordnung gewährleistet eine sichere und leicht abnehmbare Befestigung des Behälters am Rumpf.According to a further advantageous embodiment of the invention is the battery containing, in the direction of travel of the Watercraft detachable, container on the bottom of the hull arranged. The electrical connection of the battery to the Control unit takes place via a plug connection between Bottom of the fuselage and top of the tank. Such an arrangement ensures a secure and easily removable attachment of the container on the fuselage.

Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung sind Griffe und Rumpf ergonomisch ausgebildet, um in Verbindung mit der Person, insbesondere durch deren Gewichtsverlagerung, das Steuern des Motorwasserfahrzeugs auf einfache und bequeme Weise zu ermöglichen.According to a further advantageous embodiment of the invention handles and body are ergonomically designed to fit in Connection with the person, especially through their Shifting weight, controlling the motor watercraft in a simple and convenient way.

Nach einer vorteilhaften Ausgestaltung der Erfindung sind die Freiräume im Gehäuse mindestens teilweise mit Schaum aufgefüllt, um den Grundauftrieb des Motorwasserfahrzeugs zu erzielen. Sollte beispielsweise sich das Motorwasserfahrzeug von der Person lösen, so würde es automatisch zur Wasseroberfläche auftauchen.According to an advantageous embodiment of the invention Clearances in the housing at least partially with foam padded to the basic buoyancy of the motor watercraft achieve. For example, the motor watercraft detach from the person, so it would automatically become Surfacing the water surface.

Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung ist zudem eine Schwimmblase vorhanden, deren Volumen im Bedarfsfall für das Ab- und Auftauchen vergrößerbar oder verkleinerbar ist. Diese dem Taucher zugute kommende Hilfe ist besonders deshalb vorteilhaft, weil der Taucher mindestens teilweise auf dem Motorwasserfahrzeug liegt und nicht lediglich hinter diesem nachgeschleppt wird.According to a further advantageous embodiment of the invention there is also a swimming bladder, the volume of which is in the Can be enlarged or expanded for descent and emergence if necessary is scalable. This aid is useful to the diver particularly advantageous because the diver at least partly on the motor watercraft and not just is dragged behind this.

Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung ist im Gehäuse eine Seiltasche angeordnet, so daß im Bedarfsfall stets ein Seil vorhanden ist.According to a further advantageous embodiment of the invention a rope bag is arranged in the housing, so that if necessary there is always a rope.

Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung sind stromauf des Propellers im Strömungskanal Lamellen bzw. Gitter zum Aussieben von Fremdgegenständen vorhanden. Bei solchen Gegenständen ist vor allem an Fische, aber auch an im Wasser schwimmende Folien odgl. gedacht. So kann erfindungsgemäß ein Bypasskanal vorgesehen sein, der dem Propeller umgeht, um dadurch ohne großen Strömungsverlust derartige Gegenstände vorbeiströmen zu lassen.According to a further advantageous embodiment of the invention are upstream of the propeller in the flow channel Slats or grids for screening foreign objects available. Such objects are mostly fish, but also on foils or the like floating in water. thought. So According to the invention, a bypass channel can be provided which the propeller to avoid big Loss of flow flow past such objects to let.

Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung wird die die Drehzahl steuernden Einrichtung bei Loslassen des Griffes (2) durch die Person unmittelbar auf Null-Drehzahl gestellt. Hiermit wird vor allem erreicht, daß wenn der Taucher das Motorwasserfahrzeug verliert, dieses automatisch seine Fahrt unterbricht.According to a further advantageous embodiment of the invention the device controlling the speed is released when the Handle (2) by the person immediately to zero speed posed. This is mainly achieved when the diver the motor watercraft automatically loses its The trip stops.

Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung ist die Welle des Propellers in einem Lagerbock angeordnet, welcher über Radialstreben an der Wand des Strömungskanals befestigt ist. Auf diese Weise sind die Lagerung des Propellers und des Elektromotors völlig voneinander getrennt am Gehäuse befestigt.According to a further advantageous embodiment of the invention is the shaft of the propeller in a bearing block arranged, which via radial struts on the wall of the Flow channel is attached. That way they are Storage of the propeller and electric motor entirely attached separately from each other on the housing.

Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung durchdringt die Welle die Wand des Strömungskanals im Bereich der Krümmung des Strömungskanals. Hierdurch wird erzielt, daß die bei Normalfahrt etwa in Fahrtrichtung verlaufende Welle des Propellers ein in etwa in Strömungsrichtung verlaufendes Ansaugen des Wassers in den Strömungskanal bewirkt, während das Austreten des Wassers aufgrund der leicht nach unten weisenden Krümmung vor allem das Eigengewicht des auf dem Wasserfahrzeug liegenden Tauchers kompensiert.According to a further advantageous embodiment of the invention the shaft penetrates the wall of the flow channel in the Area of curvature of the flow channel. This will achieved that in normal driving approximately in the direction of travel running shaft of the propeller approximately in Sucking the water in the direction of flow Flow channel causes while water is leaking because of the slightly downward curvature the dead weight of the lying on the watercraft Divers compensated.

Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung ist zwischen den Wellen von Propeller und Elektromotor eine Transmission vorhanden, die bevorzugt ein Riementrieb oder ein Zahnradgetriebe ist und die innerhalb des Gehäuses angeordnet ist.According to a further advantageous embodiment of the invention is between the propeller and electric motor shafts a transmission available, preferably a belt drive or is a gear transmission and that is inside the housing is arranged.

Nach einer weiteren vorteilhaften Ausgestaltung der Erfindung sind auf der Mantelfläche des Rumpfes Anzeigegeräte für Batterieladung, Tauchtiefe udgl. im Sichtbereich des Tauchers angeordnet, um den Taucher auf übersichtliche Weise über bestimmte Daten zu informieren.According to a further advantageous embodiment of the invention are display devices for on the outer surface of the fuselage Battery charge, depth, etc. in the diver's field of vision arranged to clear the diver over to inform certain data.

Zeichnungdrawing

Ein Ausführungsbeispiels des Gegenstandes der Erfindung ist in der Zeichnung dargestellt und im folgenden näher beschrieben. Es zeigen:

Fig. 1
einen Motorwasserfahrzeug in der Seitenansicht in vereinfachter zum Teil transparenter Darstellung und
Fig. 2
einen Längsschnitt durch einen Teil des Motorwasserfahrzeugs.
An embodiment of the object of the invention is shown in the drawing and described in more detail below. Show it:
Fig. 1
a motor watercraft in side view in a simplified and partly transparent representation
Fig. 2
a longitudinal section through part of the motor watercraft.

Beschreibung des AusführungsbeispielsDescription of the embodiment

In Fig. 1 ist ein erfindungsgemäßes Motorwasserfahrzeug in der Seitenansicht dargestellt, wobei der Taucher bzw. der Schwimmer auf der Oberseite des Rumpfes 1 mindestens teilweise aufliegt und sich an Griffen 2 hält, die beiderseits des Rumpfes angeordnet sind. In der Mantelfläche der Oberseite des Rumpfes 1 sind im vorderen Teil für den Taucher sichtbar Meßgeräte 3 angeordnet, wie beispielsweise ein Batterieladeanzeigegerät, ein Tiefenmesser odgl. An mindestens einem der Griffe 2 ist, nicht dargestellt, eine die Geschwindigkeit steuernde Einrichtung, wie ein Hebel odgl. angeordnet, der von dem Taucher unmittelbar bedienbar ist. Im übrigen ist der Rumpf möglichst hydrodynamisch ausgebildet, insbesondere weist er einen die Fahrwasserströmung umleitenden, um die das Wasserfahrzeug steuernde Person herumleitenden, Strömungsformaufbau 4 auf. Durch die transparente Darstellung ist erkennbar, daß in dem Rumpf ein Strömungskanal 5 angeordnet ist, mit einem im vorderen Bereich des Rumpfes 1 vorhandenen Eintrittsöffnung 6 und einem auf der Heckseite des Rumpfes gelegenen Austrittsöffnung 7. Dieser Strömungskanal 5 ist zu dem übrigen Innenraum 8 des Rumpfes 1 abgedichtet.In Fig. 1, an inventive motor watercraft is in the Side view shown, the diver or the Float on top of hull 1 at least partially rests and holds on handles 2, which on both sides of the Fuselage are arranged. In the outer surface of the top of the fuselage 1 are visible to the diver in the front part Measuring devices 3 arranged, such as a Battery charger, a depth gauge or the like. At least is one of the handles 2, not shown, one Speed control device, such as a lever or the like. arranged, which can be operated directly by the diver. in the the rest of the hull is as hydrodynamic as possible, in particular it shows the fairway flow redirecting to the person controlling the watercraft redirecting flow structure 4. Through the Transparent representation can be seen that in the fuselage Flow channel 5 is arranged, with one in the front Area of the fuselage 1 existing inlet opening 6 and one on the stern side of the fuselage Outlet opening 7. This flow channel 5 is to the rest Interior 8 of the fuselage 1 sealed.

In dem Innenraum 8 des Rumpfes sind außer nicht dargestellten elektrischen Steuergeräten, ein Elektromotor 11 und eine Transmission 12 angeordnet, die eine in den Strömungskanal führende Welle 13 betätigt, die dort in einem Lager 14 angeordnet ist und einen Propeller 15 betätigt. Die Batterien 9 befinden sich in dem an der Rumpfunterseite 16 angeordneten Behältnis 17. Das Behältnis 17 wird in Strömungsrichtung an dem Rumpf mittels einer Befestigungsvorrichtung 18 befestigt. Über die Steckverbindung 19 wird die Steuergeräteelektrik mit dem Batteriestrom verbunden.Except not in the interior 8 of the fuselage Electrical control units shown, an electric motor 11th and a transmission 12 arranged one in the Flow channel leading shaft 13 actuated there in one Bearing 14 is arranged and a propeller 15 is actuated. The batteries 9 are located on the underside 16 of the fuselage arranged container 17. The container 17 is in Flow direction on the fuselage using a Fastening device 18 attached. Via the plug connection 19 becomes the control unit electronics with the battery power connected.

Der Taucher läßt sich durch das Motorwasserfahrzeug ziehen, indem er sich an den Griffen 2 festhält und von dort aus die Drehzahl des Propellers 15 steuert, wobei für den Antrieb Wasser über den Eintrittsöffnung 6 in den Strömungskanal 5 gesogen und über den Austrittsöffnung 7 herausgefördert wird, wobei das Motorwasserfahrzeug im Wasser angetrieben wird. Eintritts- 6 sowie Austrittsöffnung 7 sind hierbei mittels Lamellen bzw. Gittern so gesichert, daß ein direkter Zugriff auf die Impeller-Schraube nicht möglich ist. Für die Lenkung des Motorwasserfahrzeugs dienen in erster Linie die Griffe 2, über die der Taucher eine relative Lageänderung seines Körpers zum Motorwasserfahrzeugs erzielt, wodurch dieser lenkbar ist. Es ist jedoch auch denkbar, das Motorwasserfahrzeugs mit Steuerflossen zu versehen, die dann entweder von Hand oder elektrisch steuerbar sind.The diver can be pulled by the motor watercraft, by holding onto the handles 2 and from there the Speed of the propeller 15 controls, being for the drive Water through the inlet opening 6 into the flow channel 5 is sucked and conveyed out through the outlet opening 7, the motor watercraft being driven in the water. Inlet 6 and outlet opening 7 are in this case by means of Slats or grilles secured so that direct access to the impeller screw is not possible. For steering the Motor watercraft primarily serve the handles 2, over which the diver determines a relative change in the position of his body to the Motor watercraft achieved, which is steerable. It is however also conceivable with the motor watercraft Control fins to be provided, either by hand or are electrically controllable.

In Fig. 2 ist der Antriebsteil des Motorwasserfahrzeugs in bezug auf Fig. 1 vergrößert dargestellt. An der Oberseite der Kanalwand 21 ist ein Blech 22 anlaminiert, welches ein Gestell 23 trägt, an dem einerseits der Elektromotor 11 und andererseits die Transmission 12 angeordnet ist. Die Transmission weist zwei Riemenscheiben 24 unterschiedlichen Durchmessers auf, um die hohe Drehzahl des Motors 11 auf die erforderliche niedere Drehzahl des Propellers 15 zu untersetzen. Zur Drehzahlübertragung dient ein Riemen 25. Zwischen Elektromotor 11 und Transmission 12 ist eine Kupplung 26 angeordnet. Die Welle 13 ist bei ihrem Durchgang durch die Kanalwand 21 in einem Rohr 27 geführt, das an seinem Außenmantel zur Kanalwand 21 hin gut abgedichtet ist und zu einem Lagerbock 28 des Lagers 14 führt, der über radiale Streben 29 an der Kanalwand 21 befestigt ist. In diesem Lagerbock 28 sind einerseits Kugellager 31 für die Welle 13 vorgesehen, sowie Nadellager 32 für einen drehschlüssig mit der Welle 13 verbundenen Wellenbolzen 33, an dem der Propeller 15 befestigt ist. Die Verbindungsstelle zwischen dem Rohr 27 und dem Lagerbock 28 ist dichtend ausgeführt. Außerdem ist eine dynamische Dichtung 34 zwischen dem Wellenbolzen 33 und dem Lagerbock 28 vorgesehen. Über eine Schmierleitung 35 können die beiden Lager 31 und 32 mit Schmiermittel versorgt werden. Auf der dem Propeller 15 abgewandten Seite ist die Welle 13 auf Kugellagern 36 gelagert, die im Gestell 23 angeordnet sind. Der Leichtläufigkeit wegen sind auch für die Lagerung der oberen Transmissionswelle 32 Kugellager vorgesehen. In Fig. 2 the drive part of the motor watercraft is related shown enlarged on Fig. 1. At the top of the Channel wall 21 is laminated to a sheet 22, which is a frame 23 carries, on the one hand the electric motor 11 and on the other hand, the transmission 12 is arranged. The Transmission has two pulleys 24 different Diameter to the high speed of the motor 11 on the required low speed of the propeller 15 to step down. A belt 25 is used for speed transmission. There is a between the electric motor 11 and the transmission 12 Coupling 26 arranged. The shaft 13 is in its passage passed through the channel wall 21 in a tube 27, the its outer jacket is well sealed towards the channel wall 21 and leads to a bearing block 28 of the bearing 14 which radial struts 29 is attached to the channel wall 21. In this Bearing blocks 28 are ball bearings 31 for the shaft 13 provided, as well as needle bearing 32 for a rotary the shaft 13 connected shaft bolt 33 on which the Propeller 15 is attached. The liaison office between the tube 27 and the bearing block 28 is sealing executed. There is also a dynamic seal 34 between the shaft pin 33 and the bearing block 28 intended. The two can via a lubrication line 35 Bearings 31 and 32 are supplied with lubricant. On the The side facing away from the propeller 15 is the shaft 13 Ball bearings 36 mounted, which are arranged in the frame 23. The Smooth running is also important for the storage of the top Transmission shaft 32 ball bearings provided.

BezugszahlenlisteList of reference numbers

11
Rumpfhull
22nd
GriffeHandles
33rd
MeßgeräteMeasuring device
44th
StrömungsformaufbauFlow structure
55
StrömungskanalFlow channel
66
EintrittsöffnungEntrance opening
77
AustrittsöffnungOutlet opening
88th
Innenrauminner space
99
Batteriebattery
1111
E-MotorElectric motor
1212th
Transmissiontransmission
1313
Wellewave
1414
Lagercamp
1515
Propellerpropeller
1616
RumpfunterseiteUnderside of the fuselage
1717th
BatteriebehältnisBattery case
1818th
BefestigungsvorrichtungFastening device
1919th
SteckverbindungConnector
2121
KanalwandCanal wall
2222
Blechsheet
2323
Gestellframe
2424th
RiemenscheibenPulleys
2525th
Riemenbelt
2626
Kupplungclutch
2727
Rohrpipe
2828
LagerbockBearing block
3131
Kugellagerball-bearing
3232
NadellagerNeedle bearing
3333
WellenbolzenShaft bolt
3434
Dichtungpoetry
3535
SchmierleitungLubrication line
3636
Kugellagerball-bearing
3737
Obere WelleUpper wave

Claims (12)

  1. Boat for divers,
    with a flow-impending hull (1),
    with a flow channel (5) located longitudinally inside the hull (1) within which water flows, and slightly curved along the bottom side of the hull,
    with an inlet opening (6) of the flow channel (5) in the front half of the hull (1) and with an outlet opening (7) at the back of the hull (1), whereby the inlet and outlet openings (6, 7) are inclined towards the bottom side of the hull,
    with a propeller (15) for conveying the water inside the flow channel (5),
    with an electric motor (11) coupled with the propeller (15), including its control device,
    with an energy source comprising an electric battery (9),
    with handles (2) located on the sides of the hull (1) for the steering person and
    with a device for controlling the speed of the propeller (15) on at least one of the handles (2), characterised in
    that the handles (2) are located inside the front up to the middle section of the hull (1), so that the steering person at least lies between the middle and the rear section of the hull (1),
    and that the bow of the hull (1) features a flow-impending structure (4) curved upwards in order to guide the waterway around the steering person
    and that the battery (9) is located in a separate, removable battery box (17) fastened on the hull (1).
  2. Boat for divers according to Claim 1, characterised in that the battery box (17) for the battery (9) is located on the bottom side of the hull, and that the box is removable towards the driving direction of the boat and that the electric connector between the box (17) and the battery (9) is provided via a plugged connector between the hull's bottom side and the top side of the box.
  3. Boat for divers according to Claims 1 and 2, characterised in that the electric motor (11) is located outside the flow channel (5) inside the hull (1).
  4. Boat for divers according to one of the preceding claims, characterised in that the cavities inside the hull (1) are at least partly filled with foam.
  5. Boat for divers according to one of the preceding claims, characterised in that an air bladder whose volume can be increased or reduced for emergence or submergence is connected with the hull (1).
  6. Boat for divers according to one of the preceding claims, characterised in that a rope pocket that is accessible from outside and sealed inwards is located inside the hull (1).
  7. Boat for divers according to one of the preceding claims, characterised in that on the upstream side of the propeller (15) inside the flow channel (5) lamella are provided for filtering strange objects.
  8. Boat for divers according to one of the preceding claims, characterised in that the speed controlling device immediately turns to zero-speed as soon as the grip (2) is released by the steering person.
  9. Boat for divers according to one of the preceding claims, characterised in that the shaft (13) of the propeller (15) is located in a bearing bracket (28) that is fixed on the wall (21) by means of radial rods of the flow-channel (5).
  10. Boat for divers according to the preceding claims, characterised in that the shaft (13) of the propeller (15) is guided inside a tube (27) that penetrates the wall (21) of the flow-channel (5) around the curved section at a certain angle, with a seal, and on the other hand fixed on the bearing bracket (28) with a seal.
  11. Boat for divers according to one of the preceding claims, characterised in that a transmission unit (12) (belt drive or gearbox) is provided between the propeller (15) shafts and the electric motor (11).
  12. Boat for divers according to one of the preceding claims, characterised in that instrumentation devices for battery charge, diving depth, etc., are located within the divers view on the shell surface of the hull (1).
EP96907996A 1995-03-31 1996-04-01 Boat for divers Expired - Lifetime EP0820330B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19511850A DE19511850A1 (en) 1995-03-31 1995-03-31 Submarine snowmobile
DE19511850 1995-03-31
PCT/DE1996/000568 WO1996030087A1 (en) 1995-03-31 1996-04-01 Boat for divers

Publications (2)

Publication Number Publication Date
EP0820330A1 EP0820330A1 (en) 1998-01-28
EP0820330B1 true EP0820330B1 (en) 2000-09-13

Family

ID=7758268

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96907996A Expired - Lifetime EP0820330B1 (en) 1995-03-31 1996-04-01 Boat for divers

Country Status (6)

Country Link
US (1) US5878687A (en)
EP (1) EP0820330B1 (en)
AU (1) AU5141696A (en)
BR (1) BR9607873A (en)
DE (3) DE19511850A1 (en)
WO (1) WO1996030087A1 (en)

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DE102013100543B4 (en) * 2013-01-18 2017-07-20 Cayago Gmbh Watercraft with redundant energy storage
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DE102015100501B4 (en) 2015-01-14 2023-05-17 Cayago Tec Gmbh Underwater Propulsion Unit
RU174716U1 (en) * 2017-04-07 2017-10-30 Акционерное общество "Всероссийский научно-исследовательский институт гидротехники имени Б.Е. Веденеева" DEEP WATER UNIT WITH A WATER JET ENGINE
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Also Published As

Publication number Publication date
DE19680199D2 (en) 1998-04-23
WO1996030087A1 (en) 1996-10-03
US5878687A (en) 1999-03-09
DE59605884D1 (en) 2000-10-19
DE19511850A1 (en) 1996-10-02
AU5141696A (en) 1996-10-16
EP0820330A1 (en) 1998-01-28
BR9607873A (en) 1999-11-30

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