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Wind Turbine Tower

a technology of wind turbines and towers, applied in the direction of building components, building repairs, foundation engineering, etc., can solve the problems of large base of wind turbines and may exceed the normal carrying limits of flatbed trucks

Inactive Publication Date: 2013-08-22
FABCON
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention is a wind tower that is made up of multiple panels that are separately cast and brought on site for erection. The panels have corbel sides that form joints with adjacent panels, and an all-thread post tensioning system connects them together. Additional levels are added on top of each assembled level of panels with the all-thread post tensioning system and couplers, and a "wagon wheel" is formed during construction with bolts to each panel that attach "spokes" that extend toward the tower center such that one beam for each panel is directed toward the center of the tower. The invention allows for wind towers to be erected to greater heights with the use of multiple levels, making it easier to overcome obstacles and barriers during construction. Additionally, the all-thread post tensioning system strengthens the connections between panels, making the wind tower more stable and secure.

Problems solved by technology

This means that the base of wind towers can be massive and may exceed the normal carrying limits for flatbed trucks.

Method used

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Examples

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Embodiment Construction

[0031]A wind tower 10 is erected on a foundation 12 using multiple levels 14, with each level 14 having a plurality, shown as fourteen, of panels 16 that are separately cast and brought on site for erection. The foundation 12 is typically of concrete, and previous foundations have been huge, often six to twelve feet thick and up to sixty feet square or in diameter. Existing foundations may be used with this invention. As shown in FIGS. 1 and 17, the first level 14 of concrete panels 16 must be secured to the foundation 12. As shown, one suitable method is to use an anchor bolt system such as from Williams Form Engineering Corporation which employs long threaded anchor bolts 20 embedded in the concrete foundation 12. Any suitable anchor method may be used to anchor the first level of panels 16 to a foundation 12.

[0032]The first level of panels 16 are arranged on the foundation 12 to affix to anchor bolts 20 in the foundation. Each panel 16, as shown in FIGS. 4-10, is a cast concrete ...

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Abstract

A wind tower erected on a foundation in which individual levels are formed by connecting a plurality of cast concrete panels along their vertical joints. Additional levels are installed on each prior level and secured with an all-thread post tensioning system and couplers.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]None.STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT[0002]Not Applicable.BACKGROUND OF THE INVENTION[0003]Wind towers have progressively grown higher and higher in order to reach wind that is more consistent. One hundred meter towers fulfill the height requirement but are so massive that construction is quite expensive and requires components that cannot be readily trucked to the site without difficulty. This invention relates to a wind turbine tower and more particularly to a wind turbine tower that may be assembled from a plurality of prestressed, precast concrete cast panels.[0004]The art described in this section is not intended to constitute an admission that any patent, publication or other information referred to herein is “prior art” with respect to this invention, unless specifically designated as such. In addition, this section should not be construed to mean that a search has been made or that no other pertinent...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): E04H12/16E04C5/12E04C5/08E02D27/42E04H12/00
CPCE04C5/122E04H12/16E02D27/42E02D27/425
Inventor MIKS, GEORGE E.KUCKHAHN, THOMAS M.HAVLIK, GREGORY J.
Owner FABCON
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