Thruster arrangement in a bulbous bow

The bulbous bow (100) is formed of a longitudinal body with a front end (110), a first side surface (120), a second side surface (130), and a bottom surface (140). The thruster arrangement comprises a tunnel (10) having at least one first tunnel portion (10a) with an inlet opening (11, 11a) at the f...

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Bibliographische Detailangaben
Hauptverfasser:	VARIS, JUKKA, VEIKONHEIMO, TOMI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION EQUIPMENT FOR SHIPPING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MARINE PROPULSION OR STEERING PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING
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Beschreibung
Zusammenfassung:	The bulbous bow (100) is formed of a longitudinal body with a front end (110), a first side surface (120), a second side surface (130), and a bottom surface (140). The thruster arrangement comprises a tunnel (10) having at least one first tunnel portion (10a) with an inlet opening (11, 11a) at the front end (110) of the bulbous bow (100), and at least one second tunnel portion (10b) comprising a first outlet opening (12) at the first side surface (120) of the bulbous bow (100), and a second outlet opening (13) at the second side surface (130) of the bulbous bow (100), said at least one second tunnel portion (10b) being connected to said at least one first tunnel portion (10a). The arrangement comprises further a propeller (20) in the at least one first tunnel portion (10a) for passing water from the inlet opening (11) to the outlet openings (12, 13), and steering means (31, 32; 31a, 32a) for steering the water flow of the propeller (20) either to the first outlet opening (12) or to the second outlet opening (13).