A novel hydraulic-mechanic damper was designed and dimensioned for damping of ice loads of a steerable thruster. The system consists of inertia masses and four hydraulic cylinders acting as spring and damping elements. The system is energy self-sufficient and fail-safe. Simulation model is used to study the damping potential and applicability of the system. Comparison between system with and without dampers showed clear advantages and potential for effecting the life time of the thruster gearbox.
Volume Subject Area:
Symposium on Fluid Power and Motion Control
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