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INVENTION
Russian Federation Patent RU2191287

wind turbines

wind turbines

Name of the inventor: Alexander Chizhikov Arsentevich
The name of the patentee: Alexander Chizhikov Arsentevich
Address for correspondence: 195297, St. Petersburg, Kalinin district, ul.Olgi Forsch, 15, building 2, kv.29, A.A.Chizhikovu
Starting date of the patent: 2000.01.10

The invention relates to wind power engineering, namely to small-capacity wind power stations, having a vertical axis of rotation. The technical result consists in increasing the reliability of wind turbines by a closed circulation loop airflow and power, but also the ability to work at calm is ensured by the fact that the wind turbine comprising a tower with the engine room, single storey wind turbine with vertical shaft rotation, the upper and lower generators and ejector system, consisting of a guide funnel towards the blades of the wind turbine, an air battery and the shaft, and generator drive is located inside the tower, the ejector system and air accumulator - the outside of the tower, according to the invention, the installation comprises branch pipes, the top generator is rigidly connected to wind turbine through a vertical shaft, the lower the generator is placed in the shaft and connected to the wind turbine via a high-speed electromagnetic gearbox, with ejector system installed obliquely outside of the tower on the perimeter, the mine is the place to drain pipes, forming together with the wind turbine and the ejector system of closed circulation loop airflow.

DESCRIPTION OF THE INVENTION

The invention relates to wind power engineering, namely to small-capacity wind power stations, having a vertical axis of rotation.

Known wind turbine comprising a cone-shaped building, inside which is installed the generator and wind turbine with two tiers of blades and guide funnel equipped with an ejector, consisting of guide funnels connected to the inner cavity of the building and aimed at the lower tier of the blade (see. RU, 2105189 C1, cl. F 03 D 3/00, 20.02.1998).

Known plant has electric motors for forced ejection through the guide funnel and an open version of its performance, which leads to difficulties in adjusting the wind turbine.

Known wind turbine comprising a tower with the engine room, single storey wind turbine with vertical shaft rotation, the upper and lower generators and ejector system, consisting of a guide funnel towards the blades of a wind turbine, branch pipes, air accumulator and mine, and the generator drive is located inside the tower, ejector system and air accumulator - the outside of the tower, and the upper generator housed in the tower (see RU, 2134817 C1, class F 03 D 3/00, 20.08.1999..), the essential features adopted for the prototype (the nearest equivalent).

Known wind turbine has a low efficiency of the ejector system and the top of the generator due to the failure location (there is no free access to it), but also the upper part of the tower with the cone is not an effective safety device.

The technical result consists in increasing the reliability of wind turbines by a closed circulation loop airflow and power, but also the ability to work at calm is ensured by the fact that the wind turbine comprising a tower with the engine room, single storey wind turbine with vertical shaft rotation, the upper and lower generators and ejector system, consisting of a guide funnel towards the blades of the wind turbine, an air battery and the shaft, and generator drive is located inside the tower, the ejector system and air accumulator - the outside of the tower, according to the invention, the installation comprises branch pipes, the top generator is rigidly connected to wind turbine through a vertical shaft, the lower the generator is placed in the shaft and connected to the wind turbine via a high-speed electromagnetic gearbox, with ejector system installed obliquely outside of the tower on the perimeter, the mine is the place to drain pipes, forming together with the wind turbine and the ejector system of closed circulation loop airflow, with the wind turbine is in the form of a concave drum with blades inclined in the form of ribs.

wind turbines
wind turbines

1 shows a wind turbine, general view;

Figure 2 - wind turbine with sloping edges;

FIG. 3 - wind turbine with branch pipes and ejector systems, side view.

Wind turbine comprising mounted on a foundation tower 1 with a machine room 2, single storey wind turbine 3 a vertical shaft 4 rotating, the upper 5 and lower 6 generators and ejector system 7 consisting of guide funnels 8, aimed at the blades 9 of a wind turbine 3, made in the form of inclined ribs, branch pipes 10, the air accumulator 11 and the shaft 12, the drive generators 5 and 6 placed inside the tower 1, the ejector system 7 and the air accumulator 11 - outside of the tower 1 and the upper generator 5 is placed in the tower 1, the top generator 5 is rigidly connected to the wind turbine 3 via the vertical shaft 4, the lower generator 6 is placed in the shaft 12 and is connected to the wind turbine 3 via the high-speed solenoid gear 13, the ejector system 7 are installed obliquely on the outside of the tower 1 along its perimeter, and the branch pipes 10 are placed in the shaft 12 and 3 with the wind turbine and ejector systems 7 form a closed loop circulation of air flow, the wind turbine 3 is in the form of a concave drum 14 having a shape of a pulley, a hollow portion which directs feed stream 7 ejector systems.

The number of ejectors in the system 7 may be equal to, for example, 16 pieces, with eight of them scored in a block consisting of four funnels 8, and eight others consist each of three funnels 8, wherein execution of the blades 9 of a wind turbine 3 as oblique edges increases the swept area of ​​a wind turbine 3, a high-speed electromagnetic gearbox can accelerate to 13 fourth operating speed.

The upper 5 and lower 6 generators have fixed stators 15, with the lower electromagnetic generator 6 is connected to gear 13 via shaft 16 and the driven gear 17, and the last of the guide funnels 8 may be elongated to the housing (cover) 18.

Wind turbine works as follows

In the absence of combustion air battery 11 airflow through the ejector system 7 with the guide funnels 8 hits the wind turbine blade 9 3, made in the form of sloping edges, carrying out his execution. In each ejector system 7 takes place from the air intake process environment, its dilution, then flow acceleration and subsequent compression to supply wind turbine blade 9 3. Since the wind turbine 3 is connected to an upper shaft 4 generator 5, the rotation of the transmission shaft 4 generator rotor 5 last accelerates. Then, the solenoid drive gear 13, the shaft 16 and the driven gear 17 start to work lower generator 6, alternating switching speeds up to the fourth speed, inclusive, and the exhaust air flow enters the outlet pipes 10, which is divided in turn into two flows: a first return the ejector system 7 for recycle, and the second falls into the atmosphere. In the transition to the closed loop circulation of air flow for more than 50% of the exhaust air returns along the branch pipe 10 into the ejector system 7.

Wind turbine is able to easily move with the maximum load on the middle or idling (by disconnecting the supply of forced air flow system through the ejector system 7 or disconnecting the lower generator 6).

In the presence of air in the accumulator 11, the excess energy installation is used, for example, compressor discharge (not shown) which will pump air into the tank or directly to the battery 11, or in specially provided cavities for these purposes.

CLAIM

1. Wind turbine comprising a tower with the engine room, single storey wind turbine with vertical shaft rotation, the upper and lower generators and ejector system, consisting of a guide funnel towards the blades of a wind turbine, battery and air shaft, and drive generators placed inside the tower, ejector system and air battery - from the outside of the tower, characterized in that the arrangement comprises branch pipes, the upper generator is rigidly connected to wind turbine by a vertical shaft, the lower generator is situated in the shaft and connected to the wind turbine through the high-speed solenoid reducer, while ejector systems are installed obliquely on the outside of the tower on its perimeter, mine is a place for the branch pipes forming together with the wind turbine and ejector systems, closed loop circulation of air flow.

2. Wind turbine according to claim 1, characterized in that the wind turbine is in the form of a concave drum with blades inclined in the form of ribs.

print version
Publication date 30.01.2007gg