A retractable thruster for a marine vessel has a propeller unit (14, figure 9), a motor (110, figure 20) a housing (102, figure 20) and a drive shaft (112, fig 11) linking the motor with the propeller unit. An actuator (122 figure 20) moves the propeller unit from the storage configuration to a deployment configuration with the propeller unit being extended from the hull. The drive shaft comprises a motor-side and propeller-side universal joints (156, 158, figure 11) which permit folding of the drive shaft. The drive shaft also includes motor side, intermediate and propeller side telescopic sections, 202, 206, 204, which are coaxial and slideable relative to one another.
Retractable thruster and drive shaft for retractable thruster
2019-12-25
Patent
Elektronische Ressource
Englisch
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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