US Patent 8128338 Propeller and horizontal-axis wind turbine
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Patent abstract
A propeller, wherein the tip parts of the propeller blades of a horizontal-shaft windmill are tilted in the front direction of the propeller blades to form inclination parts. The inclination angle of the tilted parts is set within the range of 25 to 50° relative to the longitudinal direction of the propeller blades.
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US Patent 08128338 Propeller and horizontal-axis wind turbine US Patent 8128338 Propeller and horizontal-axis wind turbine
Infobox
Patent Number
0812833800
Patent Number
812833800
Edits on 6 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
081283380
Date of Patent
March 6, 2012
0Patent Application Number
117203730
Date Filed
November 11, 2005
0Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
081283380
Date of Patent
March 6, 2012
0Patent Application Number
117203730
Date Filed
November 11, 2005
0Patent Primary Examiner
Edits on 14 Dec, 2021
Golden AI
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Infobox (+7 properties)
US Patent 08128338 Propeller and horizontal-axis wind turbine
Infobox
Is a
Patent jurisdiction
Patent number
08128338
Date of patent
March 6, 2012
Patent application number
11720373
Date Filed
November 11, 2005
Patent primary examiner
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