Wind motor

FIELD: power engineering.

SUBSTANCE: invention relates to wind power engineering. Wind motor includes a horizontal shaft, fixed on it two identical in design and sizes multiblade wind wheels: a fixed one and a movable one, blades of the movable wind wheel are initially installed in the middle of the fixed wind wheel blades increasing the number of blades of the first level twice, hubs of both wind wheels have mutual half-couplings of clutch cam type ensuring rotation of the movable wind wheel at high wind speeds by a rated angle for screening the fixed wind wheel blades, additionally it contains tension springs and pneumatic shock absorbers to reduce vibration of the movable wind wheel at the transition into the zone of screening the fixed wind wheel blades and to reduce wind load onto the wind motor.

EFFECT: invention is aimed at increasing efficiency of the windmill due to better use of wind force in the central, middle and peripheral zones of wind wheels.

1 cl, 4 dwg

 



 

Same patents:

FIELD: energy industry.

SUBSTANCE: well-known control device of the wind-driven power-plant is additionally provided with a swash plate of the helicopter, the control unit of blades comprises at least three control units of the installation angle of the blade, the third input of the control units of the installation angle of the blade is connected to the electric power system. The inputs of the swash plate of the helicopter are connected to the second drafts, the outputs are connected to the first drafts, and the wind wheel shaft is also the shaft of the swash plate of the helicopter.

EFFECT: simplification of the wind-driven power plant and increase in its reliability.

6 dwg

FIELD: power engineering.

SUBSTANCE: invention relates to the field of wind power engineering and may be used for power generation. A wind power plant comprises a tower made in the form of a tetrahedron having ribs and angles, and also a wind wheel and a generator. One of ribs is made in the form of an axle of an automobile trailer. Out of four ribs adjacent to this rib, two are made in the form of vertical stands, and two - as a connecting rod of the automobile trailer with a hitch. Wheels of the automobile trailer are equipped with rotary bases, besides, directions of wheel axles turned into the working position cross in the point of fixation of the hitch. The invention provides for high mobility of a plant with absence of a special mechanism of mast rotation with a tail plane, which makes it irreplaceable in power supply of various remote facilities.

EFFECT: invention is aimed at reduction of weight and dimensions of a plant.

4 dwg

FIELD: engines and pumps.

SUBSTANCE: device relates to wind power engineering. Blades 6 are pin-ended via end fasteners 7 in radial thrust bearings 5. These are fixed at spinning head 3 of windmill rotor. Head 3 comprises linear drive, for example, cylinder its rod being engaged with spider 14. Said spider 14 is coupled with idlers connected with end fasteners 7 of blades 6 to vary blade pitch at its displacement. Spider 14 is driven by cylinder rod.

EFFECT: adjustment of windmill blade pitch subject to required parameters.

4 cl, 2 dwg

FIELD: power industry.

SUBSTANCE: wind velocity signal is shaped at the altitude of rotation axis of two simultaneously operating coaxial windwheels with equal numbers of n blades. Both windwheels are rotated synchronously to the same side. Angle α is measured between longitudinal axes, for example of the first blades of both windwheels at wind velocity when a wind-driven power plant (WDPP) develops the power equal to or exceeding rated power. The second windwheel is installed in relation to the first one at angle α≈0 at wind velocity when WDPP develops the power that is less than rated power. As wind velocity decreases, the value of angle α is increased proportionally so that value απn can be set at minimum operating velocity. The method is implemented in WDPP with two windwheels, which includes blades of windwheels, hubs and a common shaft, an electric generator, a power system and a wind velocity sensor. In addition, WDPP is equipped with a control unit of an angle between windwheels, which is located on the common shaft of windwheels, and the control input of the control unit is connected to the wind velocity sensor output. Besides, the control unit is equipped with a functional unit for shaping of a signal on the angle between windwheels, the input of which is connected to the output of the wind velocity sensor through the control input of the control unit, and the output is connected to the first input of the angle control between windwheels, the second input of which is connected to the output of the angle sensor between windwheels; the output of the angle control between windwheels is connected to the control input of a semiconductor frequency converter, the power input of which is connected to a power supply, and the power output is connected to a stator winding of an electric motor, the shaft of which is connected to a screw - nut transfer system, the nut of which is connected to a movable element of the angle sensor between windwheels and through a bearing assembly to the hub of the second windwheel, which forms a screw spline pair together with the shaft.

EFFECT: efficiency of installed capacity of WDPP and increasing electric power output by improving use of wind energy with reduction of its velocity.

3 cl, 8 dwg

Windmill // 2514520

FIELD: engines and pumps.

SUBSTANCE: invention relates to wind-power engineering. Windmill comprises rotary foundation with stationary and moving parts, tower with counterweight, rotary poles with magnet cores and wind wheels with sleeves and rotary elements and guide element. Rotary foundation stationary part is shaped to a cone with generatrix outlined in circle arc with the centre at wind wheel rotational axis. Rotary foundation moving part is equipped with extra beam coupled with guide element lower part.

EFFECT: higher efficiency of wind wheel lower part.

2 dwg

Windwheel // 2494283

FIELD: power industry.

SUBSTANCE: wind wheel includes a base with bearings, a horizontal shaft, blades, rotors having magnetic contact to stators installed on the base, and reduction gears. Rotors are connected to inlet shafts of reduction gears, on the outlet shafts of which additional blades are installed, which have the possibility of being rotated relative to the main axis. Profiles of the main and additional blades have the possibility of being superimposed on each other at rotation of additional blades. At strengthening of wind, voltage is supplied to stators, which leads to rotation of rotors, outlet shafts of reduction gears and rotation of additional blades accordingly.

EFFECT: windwheel design provides the possibility of changing the number of blades depending on wind speed, improvement of reliability due to absence of a rotating current terminal, provision of noncontact.

7 dwg

FIELD: power engineering.

SUBSTANCE: centrifugal regulator of a windwheel angle of blade comprises centrifugal mechanisms of working and reversible modes, comprising centrifugal weights and springs of working and reversible modes, providing for the possibility of their serial connection into operation. The regulator is installed on bearing plates that form a windwheel hub, between which there are windwheel blades in rotary bushings, and is equipped with a unit of synchronisation of angles of blades and transfer of motion from blades to centrifugal mechanisms of working and reversible modes, installed between bearing plates with the possibility of displacement relative to them. On one of the plates there is a spring of the working mode and a fixed body of the centrifugal mechanism of reversible mode so that the spring of the reversible mode covers the spring of the centrifugal mechanism of the working mode. Centrifugal weights are arranged along the circumference that is concentric with the longitudinal axis of the regulator and are connected with the movable casing of the centrifugal mechanism of the reversible mode with provision of its action at the unit of synchronisation and transfer of motion from the blades to the centrifugal mechanisms of the working and reversible modes.

EFFECT: increased reliability and increase of its resource with reduction of requirement to precision of units and parts manufacturing.

4 cl, 1 dwg

FIELD: power engineering.

SUBSTANCE: integrated tier wind power plant comprises an integrated tier rack installed and fixed on a foundation. Each tier is formed by blocks with jackets, having sound insulation on their surface and comprising nozzles and middle parts. Wind engine plants are installed in the middle parts. Wind engine plants are equipped with an electromechanical system for their rotation inside jackets from signals of wind direction sensors, as the wind direction changes to the opposite one. Nozzles of jackets have a shape of square contours in the inlet part with subsequent transition to the shape of contours of a truncated cone. The shape of nozzles makes it possible to catch slant flows of wind and direct them in the middle parts. Blocks of the first tier are fixed to the base and to each other. Blocks of subsequent tiers are fixed to the previous ones and to each other. The wind power plant, apart from staircase, is equipped with a goods-passenger lift. Solar batteries are installed on the roof of the last tier. Free space under the first tier is used to install an inverter and a diesel generator.

EFFECT: higher efficiency, reduced occupied area, noise effect at environment and prime cost of a wind power plant.

1 cl, 2 dwg

Adaptive wind wheel // 2484299

FIELD: power industry.

SUBSTANCE: adaptive wind wheel includes a base, bearings, a hub, the main shaft, blades, and rotors having magnetic contact to stators installed on the base. The rotors installed on shafts with worm gears, which are connected to worm wheels installed on shafts with blades of wind wheels. In case of an emergency situation, voltage is supplied to stators, which brings into rotation the rotors and shafts with worm gears interacting with worm wheels, which provide inclination of blades towards horizontal axis of the wind wheel, thus giving a conical shape to it.

EFFECT: absence of a rotating current pickup, avoiding contact, improving reliability, implementing the possibility of passage of windstorms without sufficient action on power structures.

3 dwg

FIELD: power engineering.

SUBSTANCE: mechanism to rotate blades of a wind wheel comprises a hub with bushings installed on it radially to the longitudinal axis and having rods equipped with gears, fixed to bases of blades, a spring-loaded sleeve with geared racks, connected with the hub as capable of longitudinal displacement. The sleeve additionally comprises a stop and a spacer spring with rollers, besides, rollers spring-loaded with the spacer spring limit the reciprocal stroke of the hub.

EFFECT: improved reliability of a mechanism for rotation of blades by differentiation of a force applied for motion of a hub relative to a sleeve, which makes it possible to smoothen longitudinal movements of a hub in process of churlish blasts.

1 dwg

FIELD: power engineering.

SUBSTANCE: invention relates to wind power engineering. A direct-drive wind power unit comprises a tower, a rotary base, a slow-acting wheel, quick-acting wheels, rotor elements, a stator and a guide device. Quick-acting wheels are fixed at the ends of slow-acting wheel blades. The stator is installed in the circular area of maximum approaching of rotor elements to axis of the slow-acting wheel.

EFFECT: invention is aimed at improved energy efficiency.

2 dwg

Wind engine // 2552017

FIELD: engines and pumps.

SUBSTANCE: wind engine includes a horizontal shaft with the main multiple-blade wind wheel installed on it and provided with blades of enlarged surface area in the air flow direction, an outer shell and a cone-shaped guide for the air flow of the middle zone. On the hub of the main wind wheel there put is an additional multiple-blade wind wheel of a smaller diameter with a toroid-shaped guide for the air flow of the central zone. The outer shell of the additional multiple-blade wind wheel is attached to blades of the main wind wheel. On outer shells of both wind wheels, uniformly located blades of the second level are fixed.

EFFECT: invention allows increasing total surface area of blades.

3 cl, 5 dwg

FIELD: electricity.

SUBSTANCE: electric drives system of vehicle includes at least one electric generator, accumulator battery, charger and inverter interconnected electrically, electric motor coupled electrically to the accumulator battery and kinematically to vehicle transporter. The electric generator is of flow type; it includes a hollow rotor where vanes of multistaged turbine and stator are installed. The drive system is equipped with generated power converter, speed sensor, battery charge level sensor and commutator switch, at that the converter is coupled electrically to the electric generator and commutator switch, the commutator is coupled to speed sensor, battery charge level sensor, charger and electric motor, the speed sensor is coupled to vehicle speed measurement tool, the battery charge level sensor is coupled to accumulator battery or charger.

EFFECT: improved efficiency of the power supply system for vehicle electric drive with potential generation of counterflow energy of the medium where the vehicle moves.

8 cl, 4 dwg

Wind power plant // 2538976

FIELD: power industry.

SUBSTANCE: invention refers to wind power industry and can be applied in devices converting wind energy to other energy forms. Wind power plant includes rotating base, tower, boom, cross-beam with joints and braces, and control rod with wind wheel heads and features additionally second cross-beam with additional joints connected with joints of the main cross-beam by additional brackets bearing a cable ring running through pulleys mounted on the boom. Effect of this plant is dynamic load reduction.

EFFECT: increased orienting moment by dynamic load reduction, enhanced resistance to storm gusts due to increased rotation angle of control rods with wind wheel heads.

4 dwg

FIELD: power engineering.

SUBSTANCE: invention relates to the field of wind power engineering and may be used for power generation. A wind-driven power plant comprises a tower, two booms connected at the angle and to the upper part of the tower, and also rotary frames with rotors-wind wheels, hubs of which are fixed on frames suspended to booms. Stators are arranged between rotors-wind wheels. Main vertical fins are fixed on booms. Additional fins are placed on rotary frames, installed as capable of closure of main fins in the side plane.

EFFECT: advantage of this wind-driven power plant is improvement of opportunities of resistance to storm gusts.

4 dwg

FIELD: engines and pumps.

SUBSTANCE: invention relates to wind power engineering and can be used for conversion of wind energy into electric power. Proposed system comprises the main and auxiliary rotor elements arranged around the main shaft. Said elements are engaged via two couplings with the main shaft to make two controlled rotary detachable transfer chains: main rotor - auxiliary rotor coupling - main shaft and main rotor - main rotor coupling - main shaft. In compliance with another version, this system comprises two rotor elements and one coupling to make the controlled rotary detachable transfer coupling: auxiliary rotor - coupling (main rotor + main shaft). Couplings are composed of overrunning couplings operated under two conditions: operating engagement and idling engagement. Auxiliary rotor operates at low wind speed while main rotor runs at high wind speed. Windmill clutch can be changed to allow higher starting torque at low wind speed and to catch wind energy at low wind speed after starting. It allows exploiting of advantages of the main rotor at high wind speed and high torque.

EFFECT: higher starting torque at low wind speed and to catch wind energy at low wind speed after starting.

11 cl, 10 dwg

FIELD: power industry.

SUBSTANCE: wind power plant comprises air flow concentrator, wind wheels, power generators, air supply control system to wind wheel blades and protection system against hurricane winds. Concentrator is formed by dam walls installed in the sit of mountain gorge at its outlet to the valley and by gorge surfaces. Dam is directed towards the gorge by its broad part. Wind wheels on shafts of electric generators of horizontal design are installed in its narrow central part in the round openings. Shut-off dampers of air supply control system are installed from inner side at inlet of round openings, and protective flaps in the form of sliding gates are located from inner side of all central part of the dam. Wind wheels can be made of blades of aircraft type, shut-off dampers of air supply control system can be of diaphragm type. Protective flaps in operation mode are located in niches of the dam walls. Central part of the dam can be made with angle directed from the gorge. Stiffening ribs are made from exterior part of the dam and intercostal space is filled with rocky soil, which is secured against ravelling by horizontal meshy stripes fixed on the dam and stiffening ribs.

EFFECT: efficiency upgrading of air flow energy conversion at different wind speeds by using surfaces of gorge and protection system against hurricane winds.

6 cl, 4 dwg

FIELD: power industry.

SUBSTANCE: wind-driven electric power plant on a constant air flow includes many wind-driven power plants including wind wheels with an electric generator, a heating element and a wind tunnel. Wind wheels with the electric generator are located in underground tunnels connected to a tower in which gas burners are located, which create a constant air flow. The tower is made from polymer materials, equipped with stiffeners in the form of rings and suspended from ropes to an aerostat. In the wind tunnel mouth of the tower there mounted is a drum with blades, which installed with possibility of rotation and creation of negative pressure under action of horizontal air flows.

EFFECT: wind-driven power plant is suitable for installation in difficult-to-access places and provides the possibility of uninterrupted generation of electric energy, as well as reduction of noise and vibration impacts on the environment.

2 dwg

FIELD: power engineering.

SUBSTANCE: wind-driven power plant comprises a rotor, an intermediate reducer, a hydraulic system, a hydraulic pump, a hydraulic motor, a regulator of hydraulic motor rpm and an electric energy generator. The rotor is broken into independent stages according to the diameter, installed on coaxial shafts. The plant is equipped with an intermediate shaft that provides for transfer of torque to the shaft of hydraulic pumps, a sensor of second flow rate of liquid and a hydraulic adapter. Coaxial shafts are communicated by means of the intermediate reducer and free wheel couplings with the intermediate shaft. The total capacity of the plant is broken into separate energy blocks. The torque from each stage is sent via telescopic shafts, free wheel couplings, the intermediate reducer to the shaft of hydraulic pumps. Hydraulic motors rotate the generator rotor with continuous rotations regardless of the wind speed, since they have controllers of permanent rotations. Couplings provide for independence of stages operation relative to each other. Therefore, each stage of the rotor rotates with a different angular speed. Summation of torques of stages is carried out with an intermediate reducer.

EFFECT: higher coefficient of wind energy usage due to rotor breakdown into stages with the same diameter of the rotor.

16 dwg

Windwheel // 2494283

FIELD: power industry.

SUBSTANCE: wind wheel includes a base with bearings, a horizontal shaft, blades, rotors having magnetic contact to stators installed on the base, and reduction gears. Rotors are connected to inlet shafts of reduction gears, on the outlet shafts of which additional blades are installed, which have the possibility of being rotated relative to the main axis. Profiles of the main and additional blades have the possibility of being superimposed on each other at rotation of additional blades. At strengthening of wind, voltage is supplied to stators, which leads to rotation of rotors, outlet shafts of reduction gears and rotation of additional blades accordingly.

EFFECT: windwheel design provides the possibility of changing the number of blades depending on wind speed, improvement of reliability due to absence of a rotating current terminal, provision of noncontact.

7 dwg

Wind-turbine plant // 2286477

FIELD: power engineering.

SUBSTANCE: invention relates to wind motors and it can be used as self-contained power source on buildings of sufficient height. Proposed wind-turbine plant contains rotor made in form of shaft installed vertically with possibility of rotation inside housing and furnished with turbine blades of radial type installed vertically over circumference. Housing of wind-turbine plant is made in form of guide assembly containing vertically arranged guide vanes over perimeter of housing and installed at acute angle relative to leading edges of rotor blades, thus forming flow passage part of radial- type turbine. Lower part of rotor is made in form of axial-flow turbine and is furnished with fairing. Lower end of shaft rests on fairing which is connected with ends of vanes of guide assembly secured on shell whose upper part is connected to housing and lower part is secured on upper part of hollow housing, for instance, on self-draught pipe. Air supply holes are made in lower part of hollow housing.

EFFECT: improved efficiency of wing-turbine plant owing to use of vertical and horizontal air streams.

2 cl, 1 dwg

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