发明授权
- 专利标题: Wing sail structure
- 专利标题(中): 翼帆结构
-
申请号: US671742申请日: 1991-07-05
-
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.
公开/授权文献
- US5792465A Microemulsion insect control compositions containing phenol 公开/授权日:1998-08-11
信息查询