Patent · US Expired

Positioning device for a free-flying kite-type wind-attacked element in a wind-powered watercraft

US7546813B2 · kind B2 · utility

19Cited by
9References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 19, 2005
Grant dateJun 16, 2009
Priority date
Expiry dateApr 19, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T70/5236
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.