IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0900270
(2007-09-10)
|
등록번호 |
US-8177481
(2012-05-15)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
5 |
초록
▼
One aspect of the present invention relates to a vertical axis wind turbine. In one embodiment, the vertical axis wind turbine comprises a rotor comprising a vertical oriented shaft, and a plurality of vertical oriented blades angle-equally and radially secured to the vertical aligned shaft. Each of
One aspect of the present invention relates to a vertical axis wind turbine. In one embodiment, the vertical axis wind turbine comprises a rotor comprising a vertical oriented shaft, and a plurality of vertical oriented blades angle-equally and radially secured to the vertical aligned shaft. Each of the plurality of vertical oriented blades has a face side, a back side, at least one window and at least one pane pivotally mounted onto the at least one window on the face side such that the at least one pane is rotatable between a closed position and an opening position around a pivotal axis responsive to a wind condition thereof. The pivotal axis is substantially perpendicular to the vertical oriented shaft.
대표청구항
▼
1. A vertical axis wind turbine, comprising: an umbrella-type rotor comprising a vertical oriented shaft, and a mounting support, wherein the mounting support comprises an umbrella base having a flat bottom section that goes radially around the vertical oriented shaft, and a cone-shape, roof-type to
1. A vertical axis wind turbine, comprising: an umbrella-type rotor comprising a vertical oriented shaft, and a mounting support, wherein the mounting support comprises an umbrella base having a flat bottom section that goes radially around the vertical oriented shaft, and a cone-shape, roof-type top part having an apex secured to a top end of the vertical oriented shaft and a bottom secured to the umbrella base; anda plurality of vertical oriented blades angle-equally and radially secured to the cone-shape, roof-type top part of the mounting, each of the plurality of vertical oriented blades having a face side, a back side, at least one window and at least one pane pivotally mounted onto the at least one window on the face side such that the at least one pane is rotatable between a closed position and an opening position around a pivotal axis responsive to a wind condition thereof, the pivotal axis being substantially perpendicular to the vertical oriented shaft,wherein when no wind flows towards the face and back sides of one of the plurality of vertical oriented blades, the at least one pane of the one of the plurality of vertical oriented blades is in the closed position, and no force is generated on the one of the plurality of vertical oriented blades;wherein when wind flows towards the back side of the one of the plurality of vertical oriented blades, the at least one pane rotates to the opening position, and no force is generated on the one of the plurality of vertical oriented blades; andwherein when wind flows towards the face side of the one of the plurality of vertical oriented blades, the at least one pane of the one of the plurality of vertical oriented blades rotates to in the closed position, and a force is generated on the one of the plurality of vertical oriented blades, which propels the one of the plurality of vertical oriented blades to rotate around the vertical oriented shaft in a rotation direction from the face side to the back side of the one of the plurality of vertical oriented blades, thereby causing the rotor to rotate in the rotation direction. 2. The vertical axis wind turbine of claim 1, wherein the at least one window has an upper frame portion, and wherein the at least one pane has an upper edge portion that is pivotally mounted onto the upper frame portion of the at least one window by one or more hinges. 3. The vertical axis wind turbine of claim 1, wherein when the at least one pane of one of the plurality of vertical oriented blades is in the closed position, it covers substantially the at least one window of the one of the plurality of vertical oriented blades. 4. The vertical axis wind turbine of claim 3, wherein when the at least one pane of the one of the plurality of vertical oriented blades is in the open position, it defines an angle, β, relative to the one of the plurality of vertical oriented blades, and wherein 0°<β<90°. 5. The vertical axis wind turbine of claim 4, wherein when the at least one pane of the one of the plurality of vertical oriented blades is in the closes position, no wind is allowed to flow through the at least one window from the face side of the one of the plurality of vertical oriented blades, and wherein when the at least one pane of the one of the plurality of vertical oriented blades is in the opening position, wind is allowed to flow through the at least one window from the face of the one of the plurality of vertical oriented blades. 6. The vertical axis wind turbine of claim 1, wherein the rotation direction is clockwise or counter-clockwise. 7. The vertical axis wind turbine of claim 1, wherein each of the plurality of vertical oriented blades is made of a durable material including fiberglass, plastic, wood, steel, aluminum and/or alloy.
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