WATERCRAFT, IN PARTICULAR TUGBOAT
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United States of America Patent
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Jan 30, 2015
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Jan 31, 2014
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Abstract
A tugboat for assisting cargo vessels has the following features: at least one propelling unit and a tow line for establishing a pulling connection between the cargo vessel and the tugboat. A measuring device measures the bollard pull and a central processing unit records the measurement result and forms a control command relating to the propelling force and/or the propelling direction for propelling purposes.
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