A kayak with additional drive formed with a hull whose part is a bottom and a deck in which is formed a crew chamber equipped with a seat and which is equipped not only with an electric engine, which is coupled with a screw-propeller, but also with a battery, which is electrically conductive way connected with the electric engine, where the electric engine is placed on a supporting frame in the back end part of the kayak and is, by help of at least a drive element, which is by its end part waterproof way freely pivoted in the stern of the kayak in axial direction, coupled with the screw-propeller, whereas the battery is placed in a battery box which is placed in the front end part of the kayak.

The invention relates to power transfer device for inductively charging a water-bound vehicle, comprising: a power transfer part comprising a primary conductor arrangement; and at least one connecting member which has a first connecting portion for connecting the power transfer device to the surroundings and a second connecting portion for connecting the connecting member to the power transfer part; wherein the connecting member has a least one resilient portion that is configured to absorb shocks exerted onto the power transfer part. Further, the invention relates to a mooring area, comprising a respective power transfer device.

The invention relates to an inductive power transfer device (10) for an inductive power transfer to a water-bound vehicle (60), with: —a power transfer part (12), comprising a primary conductor arrangement (54); and —a kinematic unit (14) for enabling a movement of the power transfer part (12); wherein the kinematic unit (14) comprises a linear guide (24) which is oriented so that, when the power transfer part (12) is displaced along a path (28) defined by the linear guide (24), a position of the power transfer part (12) along a vertical spatial axis (Z) is altered. Further, the invention relates to a system (1) for an inductive power transfer to a water-bound vehicle (60) and a method for operating an inductive power transfer device (10).

The invention relates to a power system for a vehicle, the power system for a vehicle, the power system comprising a plurality of supercapacitors, a plurality of batteries, at least one electronic load and a master controller, arranged so that at least one battery is connected with at least one supercapacitor, such that power from the at least one battery may be supplied to the at least one supercapacitor, wherein the master controller ability to switch the at least one supercapacitor to a further at least one supercapacitor and wherein at least one battery and/or at least one supercapacitor of the plurality of supercapacitors supplies power to the electronic load.

A lift and drive unit for an aircraft or submarine vehicle may include a hydrogen based drive component for providing a forward drive force to move the aircraft or vehicle over ground, and a hydrogen-based lift component for providing an upward drive force to move the aircraft or vehicle upward. An onboard hydrogen generating apparatus is connectable to both the drive component and the lift component, for providing the drive and lift components with hydrogen.

A flexible coupling mechanism may be used to suspend a structural component, such as a propulsion pod, from a support member, such as a strut of a hydrofoil watercraft. The flexible coupling mechanism may include multiple vibration isolating mounts configured to extend through the support member to suspend the structural component. The vibration isolating mounts may include a plurality of elastomeric bushings configured to prevent direct contact between a component rigidly coupled to the support member and a component rigidly coupled to the structural component. The elastomeric bushings may include a tapered outer profile configured to provide a nonlinear force feedback profile in response to rotation of the support member relative to the structural component.

Renewable energy charging stations, systems, and methods are disclosed for capturing storing and delivering large amounts of renewable electrical energy from a renewable energy source to vehicles including passenger aircraft using charging circuits in communication with a demultiplexer and high-temperature superconducting cables to deliver required large electrical charges at fast charging rates safely and at low temperatures.

A marine battery system configured to provide energy to a marine vehicle load is provided. The marine battery system includes a battery, an enclosure configured to at least partially encapsulate the battery, a temperature sensor configured to detect temperature information within the enclosure, a pressure sensor configured to detect pressure information within the enclosure, and a controller coupled to the temperature sensor and the pressure sensor. The controller is configured to receive the temperature information from the temperature sensor, receive the pressure information from the pressure sensor, determine whether an enclosure breach condition has occurred based on a comparison of the temperature information and the pressure information, and in response to a determination that the enclosure breach condition has occurred, perform an enclosure breach mitigation action.

A fast charging station for a marine vessel battery on a marine vessel is provided. The fast charging station includes a dock battery, a charger that is operatively coupled to a power source and the dock battery, and an enclosure located on a dock structure in a body of water. The enclosure is configured to encapsulate the dock battery and the charger. The charger is configured to charge the dock battery using the power source when the marine vessel is not docked to the dock structure. The charger is further configured to charge the marine vessel battery using the power source and the dock battery when the marine vessel is docked to the dock structure.

An energy-independent water electrolysis fuel cell water cart system is disclosed. The energy-independent water electrolysis fuel cell water cart system presented in the present invention comprises: an awning for acquiring, through a solar panel, solar energy to be used as power necessary for an initial water electrolysis treatment and as reserve power, and blocking sunlight; a water electrolysis unit for performing water electrolysis treatment on supplied water by using the solar energy, and supplying hydrogen gas generated through the water electrolysis treatment to an energy generation unit after the hydrogen gas has undergone refinement and storage using an absorbent; the energy generation unit for generating electrical energy by means of a fuel cell scheme using the supplied hydrogen gas; and an energy storage unit for supplying the generated electrical energy as power for the energy-independent water electrolysis fuel cell water cart system.