Water turbine with bi-symmetric airfoil

Details Water turbine with bi-symmetric airfoil Water turbine with bi-symmetric airfoil

F - Mech Eng,Light,Heat,Weapons

03

B

F03B 13/26 (2006.01) F01D 5/14 (2006.01) F03B 3/12 (2006.01) F03B 17/06 (2006.01)

Patent

CA 2609014

Known underwater turbine units suffer from problems, e.g. an ability to operate in ebb and/or flow tides. Accordingly, the invention provides aerofoil (5), wherein the aerofoil (5) is symmetrical about a mid-chord line (A) thereof. The aerofoil (5) may be symmetrical about a chord (B) thereof. The underwater turbine unit (3) comprises at least one turbine (25) which comprises at least one blade (20) which comprises the aerofoil (5).

Les turbines sous-marines présentent certains problèmes, comme une incapacité de fonctionner en marée descendante et/ou montante, par exemple, La présente invention concerne une turbine comprenant une pale possédant un profil (5) qui se caractérise par le fait qu'il présente un axe de symétrie de demi-corde (A). L'axe de symétrie de ce profil (5) peut être situé au niveau d'une corde (B) du profil. La turbine sous-marine (3) comprend au moins une turbine (25) qui comporte au moins une pale (20) possédant ce profil (5).

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