Positioning device for a free-flying kite-type wind-attacked element in a wind-powered watercraft
AssigneeSkysails GmbH & Co. KG
InventorStephan Wrage
Life of this patent
Estimating the term…
Abstract
Disclosed is a positioning device for a free-flying kite-type wind-attacked element that comprises a profiled wing, is used as the exclusive, an auxiliary, or an emergency drive unit, and is connected to a watercraft via a traction rope. The positioning device is provided with a winch that can cause the traction rope to be taken in when a given first tractive force is not attained and/or when the flow is about to stop or has stopped abruptly and/or cause the traction rope to be veered when given a second tractive force and/or a given inflow velocity are/is exceeded.
Claims20
A positioning apparatus for a freely flying kite-like element on which wind acts, having a wing profile as the exclusive propulsion system, as an auxiliary propulsion system or as an emergency propulsion system, which is connected via a hawser to a watercraft, characterized in that a winch is provided which has means which result in the hawser being pulled in if a first predetermined pulling force is undershot and/or in the event of imminent stall or if stall has occurred, and/or in the hawser being paid out if a second predetermined pulling force is exceeded and/or a predetermined incident-flow speed is exceeded.
Dependencies are inferred from the claim text.