A boat propulsion system equipped with sail-drive transmission is disclosed, comprisinga drive motor (M) coupled to a sail-drive transmission equipped with a drive shank (1) carrying a propeller shaft (3) for a propeller at a distal end, anda supporting and sealing flange (2), apt to be engaged in a correspondingly shaped opening of a boat's hull, to which said drive shank (1) is attached,whereinsaid supporting and sealing flange (2) has an upper and a lower side and consists of a main portion (2a), to which said drive shank (1) is attached, and at least an extension portion (2b) provided with at least one through opening (6a, 6b) into which a corresponding nozzle (8) is engaged withan ejection section (8b), arranged on the underside of said flange (2), with an exit channel having an axis oriented substantially horizontally so as to produce a thrust in a different direction from that produced by said propeller,an inlet section (8a), located on the upper side of said flange (2), connected to a pressurized water supply pipe from at least a pressurization pump (9) connected to a water loading inlet.


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    Title :

    IMPROVED SAIL-DRIVE PROPULSION SYSTEM FOR BOATS


    Additional title:

    VERBESSERTES SEGELANTRIEBSANTRIEBSSYSTEM FÜR BOOTE
    SYSTÈME DE PROPULSION AMÉLIORÉ À ENTRAÎNEMENT PAR VOILE POUR BATEAUX


    Contributors:
    PAVESI UGO (author)

    Publication date :

    2025-05-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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