发明授权
- 专利标题： Wing sail structure
- 专利标题（中）： 翼帆结构
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申请号： US671742申请日： 1991-07-05
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公开(公告)号： US5271349A公开(公告)日： 1993-12-21
- 发明人: Giorgio Magrini
- 申请人： Giorgio Magrini
- 专利权人： Giorgio Magrini
- 当前专利权人： Giorgio Magrini
- 优先权： ITX21737A/89 19890915
- 主分类号： B63H9/06
- IPC分类号： B63H9/06
摘要：
A wingsail structure wherein the sail comprises a plurality of ribs encircling the mast and is guided slidably along the mast. A fabric skin is wrapped around the ribs. In a preferred embodiment, the mast is provided with at least two opposed, parallel longitudinal grooves forming respective guides for running carts attached to the ribs and is formed by a pair of parallel slats interconnected by cross-beams, said slats having an airfoil shaped cross-section.
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