WO2000050770A1

WO2000050770A1 - Windturbine

Info

Publication number: WO2000050770A1
Application number: PCT/PL2000/000012
Authority: WO
Inventors: Miroslaw LINPIŃSKI
Original assignee: Linpinski Miroslaw
Priority date: 1999-02-22
Filing date: 2000-02-21
Publication date: 2000-08-31
Also published as: AU2582200A; PL331593A1

Abstract

According to the invention, the windmotor contains a rotor with a horizontal axis (1) with three dual arms (2) at the end of which panels (3) with adjustable sails (4) are fixed rotationally with a forced drive, and the construction (5) is equipped with a sail element (6) adjusting the motor to the wind direction (W).

Description

WINDTURBINE

The subject of the invention is the windmotor with a horizontal axis of rotation, applicable in the production of electric energy, particularly at a low speed of wind, around 2 m/s.

Motors of this type are already known and they have been presented in patent specifications

PL. 172666, PL. 150739, ER 0276904, DE 3918184, US 4424007, US 4424002. They are characterized by a horizontal drive beam with a bearing in the centre of symmetry according to the vertical axis of rotation, the drive beam having a two-armed or multi-armed shape depending on the number the pairs of panels.

The panels are supplied with bearings on vertical pivots and they are coupled by non-sliding gears of a transmission ratio 1 : 2, mostly chain transmissions with a sleeve positioned coaxially with the rotor's axis of rotation, whose angular position is determined by the mechanism of adjusting to the wind direction.

The panels, while rotating with the speed, which is half of the rotor's revolutions and in the direction opposite to that of the rotor, assume the required position in relation to the wind direction.

Commonly familiar stiff panels are shaped symmetrically in relation to the main plane and are most often made as flat surfaces.

Solutions with panels in the shape of a sail, which at a symmetrical attachment have the same aerodynamic characteristics on both sides, are well-known, too.

In the solutions used so far, the panels are fixed in the frame expanded over the drive beam either by means of bearings supplied to both sides of the lower and upper pivot or they are located on brackets in the bearing of the lower pivot.

The purpose of this invention is to work out a windmotor of a simple construction, which would make use of low wind speeds of around 2 m/s.

The essence of the idea of a windmotor according to this invention consists in the fact that this motor contains a multi-arm rotor with a horizontal axis, and at the ends of the arms there are rectangular, advantageously square, drive panels coupled directly with the shaft axle by means of non-sliding gears of a transmission ratio 1 : 2. The rotor is fixed on a latticed construction containing an element in the form of a sail, which adjusts the whole of the rotational construction (including the rotor and panels) to the wind direction, while the panels are equipped with mechanisms regulating the size of the panels' working area and are computer-controlled depending on the speed of the wind.

The subject of the invention is shown as an example in the drawing in which

Fig. 1 shows the front view of the windmotor, and Fig. 2 and 3 present the side view.

The windmotor consists of a rotor with a horizontal axis i, containing advantageously three dual arms 2 at the end of which panels 3 are fixed rotationally; the panels have the shape of rectangular, advantageously square frames equipped with a sail and mechanisms for regulating the working area of the sails, controlled by a computer according to the wind speed. Panels 3 have a forced rotational drive by means of planetary or intersecting axis gears of a transmission ratio 1 : 2.

The rotor with a horizontal axis I is fixed rotationally on the latticed construction 5 equipped with a sail element 6, which adjusts construction 5 (including the rotor and panels) to the wind direction W.

Construction 5 is based on a circle-shaped base 7 by means of rolls, and the base 7 itself is fastened to the ground.

The wind blowing from direction W, while pressing against sail element 6, causes the positioning of the front of construction 5 to the wind, which presses against panels 3, thus turning rotor I, which is coupled with the electric generator by intersecting axis gears and rotation increase gears. Panels 3 have a drive forced by planetary gears and hypoid gears of a transmission ratio 1 : 2 and rotate in the direction opposite to the direction of the rotor rotation.

The advantage of this invention is the possibility to use low wind-speeds of about 2 m/s for the work of the windmotor, whish enables its application in every region of our country, and low rotor speeds enable the work of the panels at their different deflections.

Claims

1. The windmotor containing a rotor with a horizontal axis of rotation is equipped with planetarily rotated panels, characterized by non-sliding gears of a transmission ratio 1 : 2, kinetically coupled with a driven machine, mounted on a latticed structure, distinguishing itself by the fact that the rotor with a horizontal axis (1) consists of three dual arms (2) at the ends of which there are panels fixed rotationally (3) in the shape of rectangular, advantageously square, frames, with installed sails (4).

2. The windmotor according to reservation 1, distinguishing itself by the fact that the panels (3) are equipped with screw gears controlled by the computer regulating the size of the working area of the sails (4) by furling and unfurling the sails (4) depending on the speed of the wind.

3. The windmotor according to reservation 1, distinguishing itself by the fact that the latticed construction (5) is rotational and contains a sail element (6) in the shape of a triangular sail which adjusts the construction (5) including the rotor (6) and panels (3) to the direction of the wind WΛ