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INVENTION
Patent of the Russian Federation RU2261364

Wind turbine for wind turbine

The name of the inventor: Morev Genrikh Pavlovich
The name of the patent holder: Morev Genrikh Pavlovich
Address for correspondence: 443115, Samara, ul. Бубнова, 8, кв.85, Г.П. The sea
Date of commencement of the patent: 2004.02.16

The invention is intended to be used as a backup source of power supply in various sectors of the national economy: in industry, communal services, agriculture, the fleet, in the Far North, etc. The technical result consists in increasing the efficiency of the engine and its aggregate power, simplifying the maintenance, and reducing the manufacturing costs. A windmill comprising a supporting structure, a vertical shaft in bearings with a rigidly fixed crosspiece and blades in the form of hollow hemispheres facing one-sided convexes, according to the invention, has a screen with a slot in the form of an arc bent out of the tube, through which an opening and a slot could pass blades With the cross, fixed on the axis with the possibility of free rotation on the shaft together with the counterweight; Flyvarku with the possibility of free rotation on the shaft in the form of a beam with tail feathers, a counterweight, an electric motor and a pair of bevel gears kinematically connecting the vane and the screen.

DESCRIPTION OF THE INVENTION

The invention is intended to be used as a backup source of power supply in various sectors of the national economy: in industry, communal services, agriculture, the fleet, in the Far North, etc.

The windmill has a bearing structure in which a bearing assembly with a vertical shaft with a rigidly fixed cross is fastened with blades in the form of hollow hemispheres facing with bulges in one direction, a screen with a slot in the form of an arc bent out of the tube through the holes and a slot of which the blades and The cross, fixed on the axis, with the possibility of free rotation together with the counterweight; Vane with a possibility of free rotation on the shaft in the form of a beam with a tail assembly, a counterweight, an electric motor and a pair of bevel gears kinematically connecting the screen and a vane.

The design has advantages that ensure its competitiveness.

The present invention relates to devices using wind energy.

Known wind turbine, which has a supporting structure, a vertical shaft with bearings, a horizontal cross with blades in the form of hollow hemispheres, facing with convexes in one direction, is used in a device for measuring wind speed - an anemometer. The action of the windmill of this device is based on the occurrence of a pressure difference on the convex and concave surface of the blades, which creates a torque on the shaft of the windmill.

The disadvantage of this wind turbine is a large loss of power (low efficiency) when half of the blades hit the oncoming airflow and the inability to regulate this flow falling on the blades.

The proposed wind turbine differs from the known one in that it has a screen with a slot in the form of an arc bent out of the tube, through which holes and a slot could pass blades with a cross fixed to the shaft, with the possibility of free rotation together with the counterweight; Vane with free rotation on the shaft, in the form of a beam with a tail unit, a counterweight, an electric motor and a pair of bevel gears kinematically connecting the screen to a flyvark.

We note some properties of the windmill.

1. The wind turbine is equipped with blades in the form of hollow hemispheres, which have a significant sail, which allows to have wind turbines with an aggregate power in proportion to the dimensions of the windmill. The moment of launch is facilitated.

2. The presence of the screen allows to increase the efficiency by reducing the losses from the oncoming air flow.

3. Using the weathervane effect in combination with the screen allows you to "catch" the wind and adjust the amount of air entering the blades, and if necessary, stop the windmill and do it from the control panel.

4. The presence of a vertical shaft represents the possibility of reducing the height of the supporting structure, simplifying maintenance, reducing metal consumption and manufacturing costs.

The efficiency of using a wind turbine is directly related to the aggregation, with any accumulating device: thermal, electrochemical, gravitational, for example,

RU 2216645 C2 7F 03 G 3/00.

The windmiller of FIG. 1, 2 has a supporting structure 1, a bearing assembly 2, a vertical shaft 3, a cross with blades 4, a screen 5 with a slit 6, a counterweight 7, a tail vane with a tail unit 8, a counterweight 9, an electric motor 10, a pair of bevel gears 11; The shaft has a through hole for cable routing, collector devices in the form of contact rings on the shaft, brushes on the flasher and the bearing assembly at points 12, 13. The electrical circuit is fed from an independent source, for example, a battery. The power take-off occurs from the bottom of the shaft.

The operation of the windmill depends on the presence of wind, if the longitudinal axis of the flywheel passes through the center of the arc of the screen, then the center of the arc will be directed against the wind (Fig. 1). In this case, the blades are covered, and the windmill does not work. If the flywheel axis resembles the sections of the screen tube (Fig. 2), and the blades are turned with concavities against the wind, then the windmill can run at full power. Turning the screen 5 relative to the vane, the electric motor 10 through the gears 11 within the angle , We set the required mode of operation for the wind turbine.

INFORMATION SOURCES

1. The Great Soviet Encyclopedia, vol.2, p. 27. Anemometer.

2. The Great Soviet Encyclopedia, v.27, p.507. Vane.

CLAIM

A wind turbine having a supporting structure, a vertical shaft in bearings with a rigidly fixed crosspiece and blades in the form of hollow hemispheres facing the bumps in one direction, characterized in that it has a screen with a slot in the form of an arc bent out of the tube through the hole and the slot of which could pass Blades with a cross, fixed on the axis with the possibility of free rotation on the shaft, together with a counterweight, a vane with the possibility of free rotation on the shaft in the form of a beam with a tail unit, a counterweight, an electric motor and a pair of bevel gears kinematically connecting the screen and a vane.

print version
Publication date 31.01.2007gg

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