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INVENTION
Patent of the Russian Federation RU2119091

Windmill

The name of the inventor: Stanislav Vasilyevich Goncharov
The name of the patent holder: Goncharov Stanislav Vasilievich
Address for correspondence:
Date of commencement of the patent: 1997.05.27

Wind turbine is designed to generate energy of air flow. A rotor (2) with a central hollow vertical shaft (3), kinematically connected (12) with the generator shaft (13), and a mechanism for orienting the blades into the working position (5) are mounted on the fixed stand (1). On the shaft are placed horizontal hollow consoles (6). On the ends of the consoles (6) there are vertical shafts (7), at the ends of which horizontal rolls (8) are fixed with blades (9) made in the form of rectangular plates. The horizontal shafts of the blades are kinematically connected to the brackets with a gear ratio of 1 to 2. Vertical shafts are kinematically connected to the shaft of the orientation mechanism with a gear ratio of 1 - 1 (10). All kinematic transmissions can be made in the form of conical gearing. When the wind turbine works, the blades (9), located to the left of the axis of rotation of the rotor, occupy the position with the maximum resistance in relation to the incoming flow. Blades (9), located to the right of the axis of rotation, create a minimum resistance, which increases the installation efficiency accordingly.

DESCRIPTION OF THE INVENTION

The invention relates to wind energy and is intended to generate energy of air flow.

A number of wind turbines are known, whose blades forcibly rotate around their axes so that the pressure on the blades on one side of the central rotor shaft is greater than on the other side.

So, a wind turbine with a vertical shaft is known, whose blades are mounted on vertical tubular axes equipped with gear gears. The blades with a rotor revolution make a half-turn. An infinite chain is used to rotate the blades (see AS No. 1174, USSR Academy of Sciences, Mikle F 03 D 3/00, 1926).

And a wind turbine is known which contains a fixed stand fixed in the base, a rotor mounted on it with a central vertical shaft kinematically connected to the generator, and a mechanism for orienting the blades into the working position, located on the shaft in the horizontal plane of the console, at each end of which vertical shafts are located, and The blades are mounted with the possibility of rotation around vertical shafts (see AS USSR No. 1800098, A1, F 03 D 7/06, 1993).

However, a well-known wind turbine is not effective enough.

The object of the invention is to increase the efficiency of the wind turbine operation and improve the performance characteristics.

This task is achieved in that in a wind turbine comprising a stationary stand fixed in the base, a rotor mounted thereon with a central vertical rotor kinematically connected to an electric generator, and a mechanism for orienting the blades into an operating position located on a shaft in the horizontal plane of the console, at each end of which Vertical shafts are placed, and the blades are rotatably mounted around vertical shafts, vertical shafts at the ends are provided with horizontal shafts on which the blades are made flat, while the blades are rotatably mounted around the vertical shafts counterclockwise, while the rotor rotates clockwise , With simultaneous rotation around their own horizontal shafts by half a turn in one turn of the rotor, where the horizontal shafts are kinematically connected to the brackets with a gear ratio of 1 to 2, and the vertical shafts themselves are kinematically connected to the central shaft of the orientation mechanism with a gear ratio of 1 to 1, This shaft of the orientation mechanism is located in the cavity of the central vertical shaft. And the consoles can be made hollow, and the kinematic transmissions from the vertical shafts of the blades to the shaft of the mechanism of the orientation of the blades are located in the cavities of the arms, the kinematic connections being made in the form of conical gearing, in other words, in the claimed technical solution, such a scheme of installation and movement of forcibly rotated Blades that allows the blades located to the left of the axis of rotation of the rotor to occupy a position in relation to the approaching stream in which their resistance becomes maximum and the blades to the right of the axis of rotation create a minimum resistance, while the component of the forces of resistance to the motion of the blades in the direction , Transverse to the direction of the wind, and reduced to a minimum.

In Fig. 1 shows the general view of the windmill; In Fig. 2 is a view A of FIG. 1.

The windmill includes a stationary stand 1 fixed to the base on which a rotor 2 with a central hollow vertical shaft 3 kinematically connected 12 to the electric generator 4 and a shaft 14 of the blade orientation mechanism 5 located therein is mounted to the working position. On the shaft in the horizontal plane there are hollow consoles 6. At the ends of the arms 6 vertical shafts 7 are placed, on the upper and lower ends of which horizontal rolls 8 are secured with blades 9 arranged on them, made in the form of rectangular plates. The horizontal shafts of the blades are connected by means of a kinematic transmission 11 to the brackets with a gear ratio of 1 to 2, and the vertical shafts are connected by means of a kinematic transmission 10 to an orientation shaft 14 with a gear ratio of 1 to 1, the last gear being located in the cavity of the console 6. All The kinematic constraints can be made in the form of conical gearing.

WINDROWER WORKS AS FOLLOWING

The mechanism of orientation 5 of the blades 9 into the working position fixes the direction of the wind flow and sets the windmill by means of a kinematic transmission. In this case, the vertical shafts 7 are rotated with the horizontal shafts 8 to such a position that the planes of the blades 9 located to the left of the central shaft 3 are positioned perpendicularly to the direction of the wind flow and to the right in a parallel direction.

Under the influence of the wind flow, the rotor is driven into rotation. In this case, the blades 9 rotate about their own shafts 8 every revolution of the rotor by a half-turn while simultaneously rotating around the vertical shafts 7 on the contrary. The planes of the blades 9 always move parallel to the transverse direction of the wind, thereby reducing the forces of resistance to the motion of the blades in motion transverse to the direction of the wind, and, accordingly, the installation efficiency increases.

CLAIM

1. A wind turbine comprising a stationary stand fixed to the base, a rotor mounted thereon with a central vertical shaft kinematically connected to an electric generator, and a mechanism for orienting the blades into an operating position located on the shaft in the horizontal plane of the console, at each end of which vertical shafts are arranged, and The blades are rotatable about vertical shafts, characterized in that the vertical shafts at the ends are provided with horizontal shafts on which the blades are made, which are flat, while the blades are rotatable about vertical shafts in a counterclockwise direction, with the rotor rotating clockwise, With a simultaneous rotation around their own horizontal shafts by a half turn in one turn of the rotor, where the horizontal shafts are kinematically connected to consoles with a gear ratio of 1 ^° C 2, and the vertical shafts themselves are kinematically connected to the central shaft of the orientation mechanism with a gear ratio of 1 ^° C1, This shaft of the orientation mechanism is located in the cavity of the central vertical shaft.

2. A wind turbine according to claim 1, characterized in that the arms are hollow, and the kinematic transmissions from the vertical shafts of the blades to the shaft of the blade orientation mechanism are located in the cavities of the arms, the kinematic links being made in the form of conical gear meshes.

print version
Publication date 17.02.2007gg

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