Watercraft propulsion system

EP4482735A4Pending Publication Date: 2026-03-04FOIL DRIVE PTY LTD
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-02-24
Publication Date
2026-03-04

AI Technical Summary

Technical Problem

Existing electric watercraft propulsion systems for surfboards and stand-up paddleboards are limited by their design complexity, increased production costs, and reduced usability due to separate power and control units that require internal compartments or deck attachments, which can alter the balance and responsiveness of the board.

Method used

A sealed power and control module with a housing that includes an electric motor unit, electrical power source, and wireless communication capabilities, allowing for integration under the watercraft's hull without modifying its existing mounting patterns, enabling wireless control and improved hydrodynamic flow.

Benefits of technology

This solution provides a mechanically and electrically integrated propulsion system that reduces design complexity, maintains the board's balance and responsiveness, and allows for wireless control even when submerged, enhancing user experience and reducing fitness demands during watercraft activities.

✦ Generated by Eureka AI based on patent content.

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Abstract

A power and control module for a watercraft propulsion system having an electric motor unit is disclosed. In one embodiment. the module includes a housing having a first surface including a first region for receiving an appendage supporting or containing the electric motor unit and a second surface including a second region for contacting an underside of a hull of the watercraft; an electrical power source located within the housing; and an electrical interface for completing an electrical circuit including the electrical power source and the electric motor unit.
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