Marine propulsion – Screw propeller – With vibration dampening
Patent
1981-03-30
1982-10-19
Blix, Trygve M.
Marine propulsion
Screw propeller
With vibration dampening
B63H 2128
Patent
active
043548466
ABSTRACT:
A nonsteerable drive mechanism for a watercraft which includes an upper part arranged within the watercraft and has a drive motor with a downwardly directed driving shaft. A lower part is arranged outside of the hull of the watercraft and has an angled gear arrangement, the driven shaft of which extends horizontally below the waterline in the lower part and has a propeller fixedly secured to its free end. The upper part is resiliently mounted to a base plate and the lower part, independently therefrom, is rigidly secured to the base plate. A fixed closure member closes off an opening through the hull and a part of the base plate encircling the opening of the watercraft, which closure member is sealingly penetrated through by a shaft connection connected to the angled gear arrangement. The power transmission from the upper part to the lower part takes place through an elastic coupling connecting the driving shaft to the shaft connection.
REFERENCES:
patent: 1793888 (1931-02-01), Whitehouse
patent: 1807622 (1931-06-01), Colstad
patent: 2586019 (1952-02-01), Frohlich
patent: 3010422 (1961-11-01), Brakensiek
patent: 3013519 (1961-12-01), Wiggermann
patent: 3376842 (1968-04-01), Wynne
patent: 3624738 (1971-11-01), Gill
patent: 3707082 (1972-12-01), Ulics
Blix Trygve M.
Carl Hurth Maschinen - und Zahnradfabrik GmbH & Co.
Sotelo Jesus D.
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