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Wind power plant for generating energy

A technology for wind power equipment and energy, applied in the field of guiding devices, can solve the problems of large structural size, difficult to use in large-scale commercial use, etc., and achieve the effect of reducing the moment of inertia

Inactive Publication Date: 2004-12-15
格哈德维泽尔
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this known wind power plant has very large structural dimensions, in particular structural length, so that it is difficult to use commercially on a large scale, for example in particular in the private sector

Method used

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  • Wind power plant for generating energy
  • Wind power plant for generating energy
  • Wind power plant for generating energy

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] A wind power plant for harvesting energy mainly comprises an impeller 4 with blades 3 fixed on a shaft 2 through axial flow and a guide device 5 for accelerating the air flow passing through the impeller 4 . The guiding device 5 consists of a plurality of flow channels 6 which taper in the direction of flow. These flow channels 6 with their guides 5 are distributed in a rim-shaped manner around the shaft 2 on the impeller 4 in order to be able to utilize the airflow over the entire oncoming cross-section of the impeller 4 . The impellers 3 are respectively arranged behind the flow channels 6, and the impellers 4 have a housing 7 surrounding them. This housing has the shape of an annular nozzle, whereby the wind pressure upstream of the impeller 4 can be increased. The same rim-shaped guiding device 5 also improves the wind stagnation pressure, and an auxiliary impeller 18 mounted on an auxiliary shaft not specifically drawn and having the same axial flow as the impelle...

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Abstract

The invention relates to a wind power plant (1) for generating energy with an axial-flow rotor (4) that is rotationally mounted on a shaft (2) and provided with rotor blades (3), and with a guidance device (5) accelerating the air flow through the rotor (4). In order to improve the conditions for generating energy, the guidance device (5) is configured of a plurality of flow channels (6), tapering in the direction of flow, and being distributed on the rotor (4) around the shaft (2) in a coronary fashion. The rotor blades (3) are associated with one flow channel (6) each and the rotor (4) comprises a jacket (7) enclosing it.

Description

technical field [0001] The invention relates to a wind power plant (Windkraftanlage, wind power system) for harvesting energy, having an impeller with blades with axial flow, rotatably supported on a shaft, and an air flow passing through the impeller Accelerated seeker. Background technique [0002] Common wind power installations mostly have propeller-like impellers, which are arranged in the wind direction or against the wind direction for energy generation. However, known impellers have the disadvantage that they are extremely economical at low wind speeds and small diameters. To improve this, it is known (DE3323200A) to feed the air to the impeller via a funnel-shaped guide. The guide has a nozzle-like shape that tapers towards the turbine, which accelerates the airflow through the impeller. However, such known wind power installations have very large constructional dimensions, in particular constructional lengths, so that they are difficult to commercially use on a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D1/04
CPCF05B2240/13F03D1/04Y02E10/721F05B2240/131Y02E60/16Y02E10/728F05B2240/33F03D9/12F03D9/32Y02E10/72Y02E70/30
Inventor 格哈德·维泽尔
Owner 格哈德维泽尔