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Tension wheel in a rotor system for wind and water turbines

一种转子、涡轮机的技术，应用在转子系统领域，能够解决不适合转子叶片升级、限制叶片升级等问题

Inactive Publication Date: 2012-11-28
CLIPPER WINDPOWER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] As wind turbine rotor size increases in the multi-megawatt scale, the blade length places structural demands on the increased weight of the blade root end, which in turn places greater structural demands on the blade root end, which Ultimately limits the possibility of blade upgrades
However, wind turbine designs known in the prior art are not amenable to rotor blade upgrades, and it is therefore desirable to limit blade length to materials and designs that provide reasonable structural limits but increase rotor diameter to provide a more robust wind turbine that can capture greater wind energy. large rotor sweep area

Method used

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  • Tension wheel in a rotor system for wind and water turbines
  • Tension wheel in a rotor system for wind and water turbines
  • Tension wheel in a rotor system for wind and water turbines

Examples

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Embodiment Construction

[0025] refer to figure 1 , which is a front view of the rotor system and fork-top tower 1 . The wind power installation comprises a generator housed in a turbine nacelle 2 mounted by a forked top portion 132 to a yaw base 102 atop a tall tower structure 104 fixed to the ground 105 superior. The turbine yaw base 102 is free to rotate in the horizontal plane so that it tends to stay in the path of the prevailing wind current. The turbine has an idler hub assembly 106 comprising an idler wheel mounted on the hub 8 . The tensioning wheel consists of a rim structure 3 supported by spokes 7 attached to a hub 8 . Rim structure 3 (in Figure 4 and 5 shown in more detail in ) includes an inner rim 112 (to which the spokes 7 are attached) and an outer rim 107 . The main blade 108 is attached to the outer rim 107 . The blades 108 rotate according to the wind flow. Each blade root 122 , 124 , 126 , 128 , 130 is mounted to the tensioner outer rim 107 . Each blade 108 may have a va...

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Abstract

A rotor system for a fluid- flow turbine comprising a hub mounted on a shaft, a plurality of rotor blades, and a tension wheel, the tension wheel comprising a rim structure mounted to the hub by a plurality of spokes. Each rotor blade is attached to the rim structure of the tension wheel . The lost energy in the area of the rotor circumscribed by the tension wheel rim structure is captured by applying airfoils, such as blades or sails, to the spokes of the tension wheel and / or an inner section of the rotor blades.

Description

technical field [0001] The present invention relates to a rotor system for a fluid flow turbine comprising a hub mounted on a shaft and a plurality of rotor blades. Background technique [0002] In a typical horizontal axis wind turbine, the nacelle is mounted on a tall vertical tower. The nacelle houses the drive train, electrical equipment, and supports the rotor system at one end. A rotor system for a horizontal axis wind turbine typically includes one or more blades attached to a rotor hub located on a shaft. Wind currents turn a rotor, which turns a shaft in the nacelle. This shaft turns the gear that transmits torque to the generator. The nacelle generally pivots around a vertical tower to take advantage of wind from any direction. Pivoting around this vertical axis according to changes in wind direction is called yaw or yaw response, and the vertical axis is called the yaw axis. When wind passes over the blades at sufficient speed, the rotor system turns and the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03D1/06F03B3/14
CPCF03D1/0658F03B3/14F03D1/0608Y02E10/223F05B2250/36Y02E10/28F03B17/061Y02E10/721F05B2240/2211Y02E10/20Y02E10/72F03D1/06
Inventor J·G·P·德尔森M·布朗
Owner CLIPPER WINDPOWER INC