EP3611092A1 - Embarcation à entraînement à jet électromotorisé - Google Patents

Embarcation à entraînement à jet électromotorisé Download PDF

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Publication number
EP3611092A1
EP3611092A1 EP19192051.1A EP19192051A EP3611092A1 EP 3611092 A1 EP3611092 A1 EP 3611092A1 EP 19192051 A EP19192051 A EP 19192051A EP 3611092 A1 EP3611092 A1 EP 3611092A1
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EP
European Patent Office
Prior art keywords
watercraft
structural unit
cooling water
assembly
battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19192051.1A
Other languages
German (de)
English (en)
Other versions
EP3611092B1 (fr
Inventor
Eduard REIDEL
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.)
Aveo Technologies GmbH
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Aveo Technologies GmbH
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Filing date
Publication date
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Publication of EP3611092A1 publication Critical patent/EP3611092A1/fr
Application granted granted Critical
Publication of EP3611092B1 publication Critical patent/EP3611092B1/fr
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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
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B35/00—Swimming framework with driving mechanisms operated by the swimmer or by a motor
    • A63B35/08—Swimming framework with driving mechanisms operated by the swimmer or by a motor with propeller propulsion
    • A63B35/12—Swimming framework with driving mechanisms operated by the swimmer or by a motor with propeller propulsion operated by a motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B32/00—Water sports boards; Accessories therefor
    • B63B32/10—Motor-propelled water sports boards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, 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
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/46—Divers' sleds or like craft, i.e. craft on which man in diving-suit rides
    • 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
    • B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
    • B63H21/383—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like for handling cooling-water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H11/00—Marine propulsion by water jets
    • B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water

Definitions

  • the present invention is directed to improving a watercraft, in particular a standing board such as a surfboard or wakeboard, with a jet drive with an electric motor drive and with an electrical energy store for the electric motor.
  • An essential parameter for the safe operation of an electrically powered vehicle is the temperature of the battery that occurs during operation. If the battery is too warm, no more energy may be drawn, and in the worst case driving must be stopped or damage may occur.
  • the drive and its control are currently permanently installed in the known electric watercraft.
  • An error or defect that occurs cannot usually be repaired by the end user.
  • he usually depends on a trained technician he then has to do a repair carry out on site at the customer, or the watercraft is brought to him for repair at a manufacturer's service center that is usually certified, or it is even sent to the manufacturer for repair.
  • Repairs at the customer's site by a trained technician are not practical in most cases, since the technical infrastructure is usually lacking there, and personnel and travel costs are also immense. Repairing in a service facility creates the problem of transporting the product. A prerequisite for this is an expanded infrastructure with a sufficient number of service branches. This is very difficult to achieve with worldwide sales and is therefore also problematic.
  • the only alternative is to send the product to the manufacturer.
  • the product must first be packed securely for transport and then transported to the place of manufacture by a logistician. This procedure is not only cost-intensive, but also means that the customer waives the product for the duration of the repair.
  • the present invention has for its object to provide a watercraft and a drive system therefor, the handling and in particular also ease of maintenance is improved. This object is achieved by a watercraft with the features of claim 1 and a drive system with the features of claim 10. Preferred configurations are specified in the subclaims.
  • a watercraft according to the invention can, for example, be a standing board in the manner of a surfboard or wakeboard, that is, set up for a user or “pilot” standing thereon (and also, for example, with or without a binding, as is known for example from water skis or wakeboards) Feet) - but also a water or underwater vehicle, that is set up not only to stand on a very limited area of the vehicle, but also to move on or in it, to stand, or even (especially as an underwater vehicle such as an underwater scooter to tow a diver) to tow one or more people.
  • the watercraft according to the invention is equipped with a jet drive with an electric motor drive and with an electrical energy store for the electric motor.
  • the watercraft is characterized in that the jet drive and the electric motor drive are preferably also integrated in a (first) structural unit, but in any case, according to the invention, the energy store is in a separate (in particular second) structural unit.
  • the second (and possibly also the first) unit is designed according to the invention to be assembled and disassembled as an integral unit (in particular pre-assembled and overall) in the watercraft.
  • the energy storage unit can have a carrying handle which, for example, enables it to be carried upright close to the body.
  • the structural units (in particular for integration into the construction of different watercraft) preferably have a common housing in which they can be assembled and disassembled (prepared, set up, adapted and / or suitably).
  • the structural units can have a common housing, and they are prepared, set up, adapted and / or, in particular, can be fitted and removed from the housing in terms of their dimensions and connecting elements.
  • housing is also a frame or scaffold that surrounds the structural units at least in certain areas.
  • the first unit (or also power box), the second unit (or battery box) and possibly a storage compartment (8) as a possible third unit in a (possibly also consisting of several parts) recording unit or housings are mountable - which can be integrated together (especially as a system) into the construction of different watercraft (in particular hydrodynamic, propulsion-functional and / or regarding the statics of the watercraft), it is possible to use different watercraft, the same or similar watercraft of one type, but with different ones Offer hulls, lengths, buoyancy volumes, widths and / or underwater ships, as is known for example from surfboards - but with the same propulsion system according to the invention. As a result, the customer can always fall back on these same components and can use them in all of these products.
  • the watercraft (such as a surfboard or wakeboard) can even be set up to be usable even without the drive according to the invention.
  • replacement structural units which, for example, do not contain a drive device and no energy store
  • the watercraft would then be usable again, for example, as a conventional surfboard or wakeboard - and can then be used again according to the invention by inserting the structural units according to the invention.
  • the modular structure also enables the customer to replace individual components faster and with less effort in the event of a fault. This can be a quick exchange via local sales partners. Since the transport of batteries only in Passenger aircraft are usually not allowed, for example, a user can take their surfboard without a battery on vacation and borrow a battery from a sales partner on site, because the transport of the surfboard (without battery) is also permitted as sports luggage in passenger aircraft.
  • the assembly of the second assembly blocks the disassembly of the first assembly and / or that the disassembly of the second assembly enables the disassembly of the first assembly.
  • the assembly of a third structural unit (for example a storage compartment) blocks the dismantling of the second structural unit and / or the dismantling of the third structural unit enables the dismantling of the second structural unit.
  • the blocked construction units can be more reliable due to their temporary inaccessibility.
  • first structural unit power box
  • This unit can then be fixed in position by installing a rear section.
  • This structural unit and / or the stern part
  • This structural unit can also have a region of an outer skin of the watercraft, namely in particular the region of the outer skin at the stern, which surrounds the outflow opening of the jet drive.
  • the second and / or the third structural unit therefore preferably has a region of an outer skin of the watercraft.
  • the watercraft according to the invention can be set up (for example in the form of a standing area, at least one foot binding and / or a seat) to accommodate a pilot of the watercraft.
  • a drive emergency stop actuation device can be arranged in the area of the outer skin and within reach of the pilot of the watercraft.
  • the second structural unit is prepared, set up, adapted and / or suitable to be mountable in a (suitably prepared, set up, adapted and / or suitable) housing in such a way that an unfilled cooling water cavity remains in the housing , which has an inlet for cooling water from an inlet opening.
  • This can be arranged in an outer skin of the watercraft such that it is flown by the water during its journey and lets water into the cavity. It can be fed (for example in a transition area from the first to the second structural unit) but also, for example, from an outlet opening of cooling water of the jet drive (in particular then also, for example, also in a transition region from the first to the second structural unit) and thus in line with it stand or be settable.
  • the cavity then also has an outlet for the cooling water from an outlet opening which is arranged in an outer skin of the watercraft in such a way that it releases the cooling water from the cavity as it moves.
  • the drain can in particular be arranged in the top of the watercraft and in particular pass through a joint gap, for example between the outer skin area which is formed by the second structural unit used there and the outer skin of the watercraft which otherwise surrounds it.
  • the cavity is then arranged in the housing in addition to the energy storage unit in such a way that heat from this unit can be exchanged with the cooling water in the cavity and removed from the cavity with the cooling water.
  • a product line with the watercraft or propulsion system according to the invention can preferably (individually or in any combination) contain the following components and aspects: Hull: Different products are provided within a product range, all of which are identical to one another in the form of the receptacle for the power supply and drive unit. As a result, all components relating to the invention can be used in all products offered in the product range.
  • Hull Different products are provided within a product range, all of which are identical to one another in the form of the receptacle for the power supply and drive unit.
  • all components relating to the invention can be used in all products offered in the product range.
  • a standardized mounting unit is installed in the various hulls within the intended product line.
  • the shape of this recording unit is adapted to the power box, the battery box and the storage compartment.
  • the acquisition unit ensures that all different hulls are compatible with the components described here.
  • the power box, the battery box and the storage compartment can thus be used in
  • Powerbox The components for the actual drive are built into the powerbox. These are essentially the jet, the engine, a speed controller and a connector.
  • Battery compartment In addition to the battery, the battery box contains a battery management system (BMS), a receiver for remote control, a plug for emergency stop, a GPS receiver for the transmitter / receiver unit for communication with an app on a smartphone and / or PC via Bluetooth or nearfield communication.
  • BMS battery management system
  • the battery box can contain one or more handles to allow it to be carried close to the body and to facilitate handling.
  • Storage compartment The storage compartment is used to store personal items. These can also be closed in a waterproof bag (which can also be adapted in terms of its inlay to the storage compartment), since the storage compartment does not have to be designed to be waterproof: the water that enters the storage compartment can cause objects to fly around while driving prevent the jetboard.
  • Charger (separate from the vehicle): The charger is used to charge the battery. It is connected to it by means of a plug. During charging, the battery management system controls the voltage and current delivered by the charger. This ensures safe and efficient charging of the battery with simultaneous monitoring of the battery condition and temperature.
  • the remote control gives the driver the opportunity to influence the power output of the drive and the resulting driving speed while driving.
  • the signal transmission from the remote control takes place via a Bluetooth radio connection to the receiver.
  • the remote control can be clipped into a holding device while driving or alternatively held freely in the hand without a holding device.
  • the remote control uses an integrated RGB LED to give the driver visual feedback on the condition of the vehicle and inform him of any errors or faults that may occur.
  • the remote control is charged via an induction charging cradle in which the remote control is inserted. Here, too, there is an optical feedback about the state of charge using the RGB LED.
  • the emergency stop consists of a magnetic plug and a fastening device (leash).
  • the emergency stop is firmly connected to the driver while driving through the leash. If the driver loses control of his state of equilibrium and leaves the vehicle unplanned while driving, he pulls the plug out of the receptacle and the drive of the vehicle is stopped simultaneously. This ensures that the vehicle cannot continue without a driver.
  • the power box is preferably locked in place (for example, two) screw connections from behind in a receiving slot of the housing. Furthermore, either another bolt in the front area or screws from below will preferably ensure a secure fit and push initiation. With a few easy-to-remove fastenings, the Powerbox can be changed quickly and easily.
  • the battery box can be guided to its position via a rail system.
  • the locking is preferably carried out using special locking pins.
  • the battery box is held in its position and locked by preferably these pins.
  • the storage compartment is also preferably fixed with locking pins and at the same time secures the locking of the battery box, since it prevents the battery box from sliding out of its locking, in particular forward.
  • Relevant system information is stored in a data memory with regard to setting the performance, retrieving GPS data and error diagnosis via user interface via an app. These include the driving profile with data of the currents, voltages, speeds, system temperatures, serial numbers of the components used, GPS data and speeds of the trips.
  • the user can call up the GPS data of the trips via the app and share them on social networks with his friends. He can also change the power setting, for example to enable children to drive with reduced power.
  • the error diagnosis enables the user to provide the system data to a manufacturer or operator in order to receive quick help in the event of problems. The operator can then make changes to the parameters or tell the user exactly where the error is and whether parts may need to be replaced.
  • the gas signal is transmitted to the board via the remote control.
  • the gas signal is generated by actuating the gas lever, in particular with the index finder.
  • the remote control communicates with the board via a Bluetooth radio connection.
  • An RGB LED allows the driver to see various statuses while driving. These include: charge status of the remote control, connection of the remote control to the board (coupled status), battery status, warnings and errors.
  • the remote control can be locked in a tether, leaving the driver free to choose whether to drive with or without a tether.
  • the remote control is inserted in a rail system and locked by a clamp connection.
  • the remote control is charged by induction.
  • the battery is at the heart of the drive. This is monitored and maintained by an intelligent battery management system (BMS). In addition to the temperature of the ackus, the BMS also monitors the voltages of the individual cell strands. If values outside the tolerance occur, the driver is informed accordingly and the system is switched off if necessary to avoid damage.
  • BMS intelligent battery management system
  • the individual strands of the ackus are balanced during the charging process.
  • the currents and voltages as well as the temperature are monitored.
  • the communication between the BMS and the charger ensures an optimal current / voltage characteristic to safely and efficiently charge the battery.
  • the individual battery cells are connected using copper rails instead of conventional steel connectors. Thereby a significantly lower internal resistance of the battery pack is achieved, which leads to an extension of the travel time.
  • the copper bars are used to connect the battery and the connector in the battery box, as well as from the connector to the speed controller in the power box. This also minimizes the line resistance, which extends the travel time.
  • the interchangeable battery is locked using a rail system.
  • the battery box is inserted via a rail system and, when inserted, pushed back to close the connector.
  • the connector is released by pushing the battery box forward, which releases a recessed grip in the rear area through which the battery box can be removed from the receiving unit.
  • the prior art uses a locking mechanism here that enables the battery to be lifted out of the board. However, this can cause the mechanism to come off while driving and the battery to "jump" out of the board by driving over waves. Thanks to the storage compartment locked in front of the battery box and the rail system, the preferred locking mechanism ensures that the battery box cannot be removed or jumped out of the board unintentionally.
  • the batteries are charged using a particularly preferred charging station.
  • the battery box is placed in the charging station and can be actively cooled during charging via temperature-controlled fans that are installed in the charging station in order to prevent the battery cells from overheating during charging.
  • the battery management system controls the voltage and current delivered by the charger. This ensures safe and efficient charging of the battery with simultaneous monitoring of the battery condition and temperature.
  • batteries with different capacities can be available, so that driving and charging times of different lengths can be realized.
  • a rental company can use a battery with a suitable capacity for its rental times, which can then be quickly recharged.
  • the speed controller, the BMS, the remote control and the GPS receiver can communicate via a CAN bus interface. In this way, information and data can be exchanged with each other.
  • a particularly preferred power / communication connector in particular between the first and second structural unit, it is a connector which fulfills the IP68 standard both when plugged in and when it is not plugged in. The voltage is only released to the connector when the connection is securely locked. The secure locking of the plug connection is ensured via communication contacts.
  • the connector has guide pins that ensure that the two connectors are brought together.
  • the connector is held by the locking pins, which also ensure the contact pressure required for secure locking.
  • the temperature of the battery is an essential parameter for the operation of the board. If the battery is too warm, it can happen that no more energy can be drawn and driving must be stopped.
  • the cooling water system in the board actively cools the battery to minimize the temperature.
  • cooling water is introduced into the space below the battery and thus cools the battery.
  • This cooling water is particularly preferably provided by the jet drive and emerges from the front of the power box into the space between the fuselage and battery box where it cools the Acku housed in the battery box. The cooling water can then escape upwards, for example, through the gap between the receiving unit and the battery box or backwards through the gap between the power box and the fuselage.
  • the figures show a watercraft 2 and a first assembly 4, a second assembly 6 and a third assembly 8 in an assembly housing 10 for driving it.
  • the watercraft 2 is a standing board in the manner of a surfboard, that is, set up for a user or “pilot” (not shown) standing on it.
  • the watercraft 2 is driven with a jet drive (not shown) with an electric motor drive (not shown) and with a electrical energy storage (not shown) equipped for the electric motor.
  • the jet drive and the electric motor drive are integrated in a first structural unit 4 and the energy store in a second structural unit 6. Both structural units are set up according to the invention to be assembled and disassembled in the watercraft 2 as an integral structural unit (in particular pre-assembled and overall).
  • the assemblies 4, 6, 8 (in particular for integration into the construction of different watercraft) have a common housing 10, into which they can be assembled and disassembled (prepared, set up, adapted and suitable).
  • the structural units 4, 6, 8 have a common housing 10, and they are prepared, set up, adapted, and in particular their dimensions and connecting elements can be fitted and removed from the housing in a suitable manner.
  • the housing 10 is an outer frame with closed walls, which surrounds the structural units 4, 6, 8 and only leaves openings 12 in areas 101, 102 of an outer skin of the vehicle 2.
  • the housing 10 thus forms a standardized receptacle for the interchangeable energy supply unit 6 and the drive unit 4, which (by means of the housing 10 of the same design) can be integrated into an entire watercraft family.
  • Fig. 1 shows an example of the basic structure and the integration of such a unit in a watercraft 2, here a surfboard 2.
  • This consists of an outer shell 100 which surrounds a styrofoam core 600 as a floating body.
  • a standardized receiving unit 10 consisting of a storage compartment, battery box receiving unit (200) and power box receiving unit (cover 201 and base 202) and offers space for the second structural unit 6 (battery compartment base 300 and cover 102), a storage compartment 8, 101 and the first assembly 4 (power box cover 400 and base 401).
  • the lid 102 of the battery compartment 6 is at the same time part of the outer shell or outer skin 100 of the surfboard 2 and closes (assembled) flush with this.
  • the cover 102 contains a plug for emergency stop 500 of the drive components of the surfboard 2.
  • the power box 400, 401 contains the drive components (not shown), such as the jet, a BLDC or PMSM motor, a speed controller - and an interface connector 302.
  • the battery compartment 300, 102 contains a lithium-ion battery (not shown), a battery management system (not shown), a receiver for a remote control (neither shown), a GPS receiver and a transmitting and receiving station for communication with an APP via Bluetooth interface (not shown).
  • the storage compartment 8, 101 which is also to be placed in the battery receptacle unit 200, in addition to its actual function as a storage location, also fulfills an additional function as a locking or clamping unit for the battery compartment 6, 300, 102 and the power box 4, 400, 401 behind it
  • Two slide rails are installed on the side of the bottom of the unit 200, which both allow the battery box to be inserted easily and also absorb the forces which arise from the weight of the battery box and the driver.
  • the power box 4, 400, 401 is additionally fastened by screw connections (not shown) to the rear of the power box receptacle unit 201, 202 and in the region of the jet inlet on the underside of the board (not shown).
  • the battery compartment 6, 300, 102 is inserted into the battery holding unit 200 from above through the opening 12 in the casing 100 ( Fig. 2 ) and guided by a low-play guide rail system 203 to their final position in the direction of the rear of the vehicle.
  • the locking takes place by means of guide and locking pins 303, which enable the battery compartment (battery box) 6, 300, 102 to be fastened vertically.
  • an interface plug 301, 302 certified as IP 68 is closed, which enables power and communication transmission between relevant components of the structural units 4 and 6.
  • the plug has guide pins (not shown) which ensure that the two plug elements 301, 302 are brought together.
  • Under the Battery boxes 6, 300, 102 are slide rails (not shown) installed, which allow easy sliding of the battery box.
  • the slide rails take up the weight of the battery box (and the driver), so that the locking pins 303 serve predominantly for guidance without a major load-transferring function.
  • the lock is made by inserting the storage compartment, which at the same time ensures the required contact pressure.
  • FIG. 1 Another special feature of the construction is the generation of a cooling effect through a deliberately created water flow inside the vehicle body 2 ( Figure 1 ). This is achieved by means of inlet and outlet openings, which allow the water to flow in and out into a cavity 700 between the battery compartment 300 and the battery compartment receptacle unit 200 and thus enable the battery assembly 6 to be cooled ( Fig. 3 and 4 ).
  • the inlet opening is fed from an outlet opening of cooling water of the jet drive (305).
  • the process takes place in the upper side of the watercraft 2 and there occurs through gaps between the outer skin area 102, which is formed by the second structural unit 6, 300, 102 used there, and the outer skin 100 of the watercraft 2, which is otherwise surrounding.
  • the cavity 700 is then for its cooling functionality in addition to the energy storage unit 6, 300, 102 arranged in the housing 10 so that heat from this unit can be exchanged with the cooling water in the cavity 700 and removed from the cavity 700 with the cooling water.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
EP19192051.1A 2018-08-17 2019-08-16 Embarcation à entraînement à jet électromotorisé Active EP3611092B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018120094.3A DE102018120094A1 (de) 2018-08-17 2018-08-17 Wasserfahrzeug mit elektromotorischem Jetantrieb

Publications (2)

Publication Number Publication Date
EP3611092A1 true EP3611092A1 (fr) 2020-02-19
EP3611092B1 EP3611092B1 (fr) 2024-01-03

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EP19192051.1A Active EP3611092B1 (fr) 2018-08-17 2019-08-16 Embarcation à entraînement à jet électromotorisé

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DE (1) DE102018120094A1 (fr)

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WO2021190941A1 (fr) * 2020-03-25 2021-09-30 2K Beteiligungen UG (haftungsbeschränkt) Commande d'une embarcation
US11383797B2 (en) 2017-12-27 2022-07-12 Ride Awake Ab Electric motorized watercraft and driveline system
EP4035986A1 (fr) * 2021-01-27 2022-08-03 Ewake Germany GmbH Planche nautique ou de surf avec moteur électrique et batteries internes
CN114954811A (zh) * 2022-06-22 2022-08-30 江苏有亩田科技有限公司 一种水上滑行器
US11608144B2 (en) 2020-01-03 2023-03-21 Ride Awake Ab Motorized watercraft
USD995678S1 (en) 2020-01-03 2023-08-15 Ride Awake Ab Electronically propelled surfboard

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US20150367922A1 (en) * 2013-01-18 2015-12-24 Cayago Gmbh Watercraft comprising a redundant energy accumulator
WO2019129687A1 (fr) * 2017-12-27 2019-07-04 Ride Awake Ab Embarcation motorisée et système de transmission électrique

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CN2295506Y (zh) * 1997-05-20 1998-10-28 孙正军 电动游泳板
US20050181686A1 (en) * 2000-02-26 2005-08-18 Andrea Grimmeisen Motorized watercraft
US20110201238A1 (en) * 2010-02-13 2011-08-18 Wavedrive Systems, Inc. Electric Powered Surfboard Propulsion and Control Systems
US20150064995A1 (en) * 2012-08-29 2015-03-05 Inventive Design Group, Inc. Weight steerable self-propelled personal watercraft
US20150367922A1 (en) * 2013-01-18 2015-12-24 Cayago Gmbh Watercraft comprising a redundant energy accumulator
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WO2019129687A1 (fr) * 2017-12-27 2019-07-04 Ride Awake Ab Embarcation motorisée et système de transmission électrique

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US11383797B2 (en) 2017-12-27 2022-07-12 Ride Awake Ab Electric motorized watercraft and driveline system
EP4043333A1 (fr) 2017-12-27 2022-08-17 Ride Awake AB Embarcation motorisée et système de transmission électrique
EP3732098B1 (fr) * 2017-12-27 2023-08-02 Ride Awake AB Embarcation motorisée et système de transmission électrique
US11780538B2 (en) 2017-12-27 2023-10-10 Ride Awake Ab Electric motorised watercraft and driveline system
US11608144B2 (en) 2020-01-03 2023-03-21 Ride Awake Ab Motorized watercraft
USD995678S1 (en) 2020-01-03 2023-08-15 Ride Awake Ab Electronically propelled surfboard
WO2021190941A1 (fr) * 2020-03-25 2021-09-30 2K Beteiligungen UG (haftungsbeschränkt) Commande d'une embarcation
EP4035986A1 (fr) * 2021-01-27 2022-08-03 Ewake Germany GmbH Planche nautique ou de surf avec moteur électrique et batteries internes
CN114954811A (zh) * 2022-06-22 2022-08-30 江苏有亩田科技有限公司 一种水上滑行器

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