Ships – Watercraft with means used in providing sailpower – Having specifically defined hull shape
Patent
1982-07-02
1985-08-27
Blix, Trygve M.
Ships
Watercraft with means used in providing sailpower
Having specifically defined hull shape
114140, 416132R, 416240, B63B 338
Patent
active
045371431
ABSTRACT:
The present invention relates to an apparatus for the stabilizing of the direction of travel of watercraft. The invention relates specifically to a sword or fin for sailboards. In order to allow the wind-profile like shape of the apparatus to adjust itself in accordance with a prevailing velocity of flow or a prevailing flow thereagainst, the apparatus comprises two deformable side walls which are mounted to a rigid and stiff center wall exclusively at an area located at the leading edge thereof in relation to the direction of flow. These side walls enclose together with the two oppositely arranged surfaces of the center wall two void spaces. Depending on the prevailing pressure situations between the luff side and the leeward side, an optimal hydrodynamic flow profile is automatically generated. According to preferred embodiments, the trailing edge of the apparatus comprises vacuum pumps which communicate with the void spaces, which vacuum pumps are present in form of water jet pumps. This allows additionally a controlling of the profile corresponding and in dependence from the velocity of flow.
REFERENCES:
patent: 3753415 (1973-08-01), Burtis
patent: 4074646 (1978-02-01), Dorfman et al.
patent: 4429844 (1984-02-01), Brown et al.
Blix Trygve M.
Mistral Windsurfing AG
Swinehart Edwin L.
LandOfFree
Apparatus for the stabilizing of the direction of travel of wate does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus for the stabilizing of the direction of travel of wate, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for the stabilizing of the direction of travel of wate will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1997401