PROPULSION APPARATUS FOR SHIP, AND SHIP HAVING THE SAME

PURPOSE: A propulsion device and a ship with the same are provided to improve propulsion efficiency and to reversely rotate two propellers without an outer shaft. CONSTITUTION: A propulsion device for a ship comprises a rear propeller(20), a front propeller(30), a reverse rotating device(70), a moto...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PAIK, KWANG JUN, LEE, JIN SUK, PARK, HYUN SANG, TETSUJI HOSHINO, SEO, JONG SOO, HWANGBO, SEUNGMYUN, KIM, JI NAM, PARK, HYUNG GIL, CHUNG, SUNG WOOK, LEE, TAE GOO, LEE, DONG HYUN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	MARINE PROPULSION OR STEERING PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TRANSPORTING
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Beschreibung
Zusammenfassung:	PURPOSE: A propulsion device and a ship with the same are provided to improve propulsion efficiency and to reversely rotate two propellers without an outer shaft. CONSTITUTION: A propulsion device for a ship comprises a rear propeller(20), a front propeller(30), a reverse rotating device(70), a motor(131), and a housing(130). The rear propeller is fixed in a driving shaft. The front propeller is rotatably supported in the driving shaft in front of the rear propeller. The reverse rotating device reversely rotates the driving shaft and transfers the reversed rotation to the front propeller. The motor rotates the driving shaft. The housing is extended downward from the tail end of a hull to surround the reverse rotating device and the motor.