Invention Grant
US08998580B2 Method for balancing a propulsive system having non-hull contra-rotating propellers 有权
用于平衡具有非船体反向旋转螺旋桨的推进系统的方法

Method for balancing a propulsive system having non-hull contra-rotating propellers
Abstract:
According to the invention, at least one of the counterweights (40, 40.1, 40.2, 40.3, 40.4) is mobile mounted on a guiding slot (24, 34) coaxial to the hub envelope (22, 32) that surrounds the hub (21, 31) of the corresponding propeller (2, 3), the movement of said mobile counterweight (40, 40.1, 40.2, 40., 40.4) along said guiding slot (24, 34) being controlled on the basis of an estimation of the possible unbalance of said propulsive system (1).
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