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Title:
WINDMILL
Document Type and Number:
WIPO Patent Application WO/2021/233197
Kind Code:
A1
Abstract:
A windmill, comprising a rotary seat (10); a rotating shaft (30) serving as a power output shaft is arranged upright on the rotary seat (10), a rotary frame (40) is fixedly provided in the circumferential direction of the rotating shaft (30), wind blade plates (50) are swiveled to the rotary frame (40); and when the wind blade plate (50) revolves (α) around the shaft core of the rotating shaft, the wind blade plate (50) rotates (β) around the shaft core of a swivel shaft (51) thereof, the revolution (α) direction of the wind blade plate (50) is the same as or opposite to the rotation direction (β) of the wind blade plate; a steering mechanism drives, according to the wind direction, the rotary seat (10) to perform posture adjustment rotation following the wind direction, and the posture adjustment rotation satisfies the following adaptation relationships: when the plane where the shaft core of the swivel shaft (51) and the shaft core of the rotating shaft (30) are located is perpendicular to the wind direction, the plate face of the wind blade plate (50) on one side is perpendicular to the wind direction, and when the wind blade plate (50) revolves 180° following the rotating shaft (30), the wind blade plate (50) rotates 90°C to enable the plate face thereof to be parallel to the wind direction. The windward face of the windmill is provided with a wind blade plate (50) having a plate face perpendicular to the wind direction, so that the wind force can be used to the maximum extent to push the whole windmill to rotate, and the windmill is still able to rotate in a slight wind.

Inventors:
ZHAO DONGLOU (CN)
LU HAI (CN)
YU FENG (CN)
ZHAO DONGHAO (CN)
JIA WEIXIANG (CN)
Application Number:
PCT/CN2021/093597
Publication Date:
November 25, 2021
Filing Date:
May 13, 2021
Export Citation:
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Assignee:
ANHUI KANGDINA POWER TECH CO LTD (CN)
International Classes:
F03D3/02; F03D3/06; F03D15/00
Domestic Patent References:
WO1999042723A11999-08-26
WO2009105848A22009-09-03
WO2014104990A12014-07-03
Foreign References:
CN111456892A2020-07-28
CN111456897A2020-07-28
CN212690226U2021-03-12
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CN212202341U2020-12-22
CN212202351U2020-12-22
CN111456896A2020-07-28
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CN111425360A2020-07-17
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KR20020023795A2002-03-29
Attorney, Agent or Firm:
SUNRAY INTELLECTUAL PROPERTY ATTORNEYS (CN)
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