Device for the energy of the fluid
(57) Abstract:The invention relates to a device for converting energy of a fluid medium and can be used in wind turbines. The technical result is to increase the device performance and simultaneous reduction in cost due to the proposed design of the blades, located in pairs on the hollow rails passing through the device, and forming six symmetrical ends, inside the guides posted shafts, and equidistant from the case one ends of the guides are devices that restrict movement of the blades, levers, one end of which is fixed at the base of the blades, while others are movable. 4 C.p. f-crystals, 4 Il. The invention relates to a device for converting energy of a fluid medium and can be used in wind turbines.A device for the energy of the fluid medium containing the wheel with blades mounted to rotate about their axes. Each lobe is divided by the axis into two parts with unequal squares.However, the known device has tolti, in wind turbines where the wind direction changes.The known device for the energy of the fluid (2), adopted as a prototype, includes a housing with installed shaft, the blades can be rotated about their axes, each blade is separated by axis into two parts with unequal squares. In addition, the device is provided with levers attached by its ends to the axes of the blades at the root portions thereof, as well as at the ends of the axes of the blades mounted rollers, the device is provided with a vane rigidly associated Cam disk pivotally mounted on the shaft and cooperating with the rollers.The disadvantage of the prototype is that it contains blades that are located in the same plane, and this leads to the power limit of the device due to the small area that receives the stream of air.The essence of the invention is illustrated by drawings. In Fig. 1 shows a device for the energy of the fluid medium, a top view, in Fig. 2 shows the device in side view, Fig. 3 shows a device for limiting the movement of the blades of Fig. 4 - depicts a lever to rotate the blades.The mouth is through it and forming 6 symmetric ends, which are the flat blade 3 mounted to rotate about their axis 4. Inside the guides, hollow posted by shafts connecting the blades in pairs. On equidistant from the case one ends of the guides are devices 5 that restricts the movement of the blades, made in the form of a nozzle with a bearing 6, is provided with two rectangular plates 7 arranged at an angle of 60oto each other by spacers 8.To the lower outer corners of the plates attached to the ends of the rigid rod 9, the shape of the nozzle and forming a broken circle, the upper part of which is free from springs 10 mounted on the ends of the rod. The apparatus comprises a lever 11 mounted one of its ends on the axes of the blades 3 at the root portions thereof, and the second ends of the levers 12 to rotate the blades are movable along the circle segment of the rod is free from springs 9.The blades 3 are separated by the axes in two parts with unequal areas, and is made of lightimage material and secured to the rails by means of springs, while the aspect ratio of the blades is 3:1, unequal square blades are in the ratio 1:2, and the lower part of the blade is located above the axis. what tion areas and is made of lightimage material. They are mounted on the bearing by means of springs located along the guides. Under the action of intense air flow blades take the form of sails. As soon as they go out of scope intense air movement, they rotate about its own axis and take the form of a wing. Thus, on the carrier at the same time there are two blades, one of them in the form of sails, and the other in the form of a wing.Under the influence of air blades drive lever, which in turn regulate the movement of the blades, preventing their rotation around the axis.The proposed design of the device prevents blades from breaking, significantly improves performance by increasing power. The device works even at very low flow of air. In addition, it is cheaper than previously known and does not require special maintenance. 1. Device for the energy of a fluid medium, comprising a housing has mounted on the shaft, the blades can be rotated about their axes, each blade is separated by axis into two parts with unequal areas, in addition, the device is equipped with levers, mounted one of its ends quasi him and forming six symmetrical ends, inside the guides, hollow posted by shafts connecting the blades in pairs, equidistant from the case one ends of the guides are devices that restrict movement of the blades.2. The device under item 1, characterized in that the device, which limits the movement of the blades, made in the form of a nozzle with a bearing, provided with two rectangular plates arranged at an angle of 60oone to another by means of spacers, while the lower outer corners of the plates attached to the ends of the rigid rod, the shape of the nozzle and forming a broken circle, the upper part of which is free from springs attached to the ends of the rod.3. The device under item 1, characterized in that the blades are made from lightimage material and secured to the rails by means of springs, while the aspect ratio of the blades is 3 : 1.4. The device under item 1, characterized in that the unequal area of the blades are in the ratio 1 : 2, while the lower part of the blade is located above the axis.5. The device according to p. 2, characterized in that the second ends of the levers to rotate the blades are movable along the circle segment of the rod free of springs.
FIELD: power engineering.
SUBSTANCE: invention relates to non-conventional power sources, and it can be used in plants using energy of wind, river, deep sea and other currents. Proposed plant contains one or several vertical shafts and horizontal rods with blades. Said hollow rods are installed on shafts for limited turning relative to their axes. Opposite blades of each rod are rigidly secured on rod square to each other and eccentrically relative to axis of rod. Shafts adjacent in horizontal direction are made for rotation in opposite directions.
EFFECT: provision of simple ecologically safe device operating at any direction of current in liquid and gaseous medium and at medium interface.
FIELD: hydraulic engineering.
SUBSTANCE: device is designed for converting kinetic energy of small and medium rivers into elastic energy. Proposed hydraulic unit contains hydraulic turbine installed on frame with bearings on its shaft, generator mechanically coupled with hydraulic turbine, stream shaper and device in form of plates to protect hydraulic unit from floating debris. Hydraulic unit has intermediate vertically and horizontally installed shafts with bearings interconnected by conical gears. Vertical shaft is arranged in well built near bank and communicating with river by channel made under level of maximum possible thickness of ice cover. Part of horizontal shaft connected with hydraulic turbine is arranged in said channel. Upper end of vertical shaft is connected with generator through ground horizontal shaft and step-up reduction unit. Stream shaper is made in form of flaps installed on shaft for turning to direct water stream of river to its central part between which turnable gate is installed for contacting with one of flaps to direct water stream to right-hand or left-hand side of hydraulic turbine.
EFFECT: provision of reliable operation all year round.
3 cl, 2 dwg
FIELD: hydraulic power engineering.
SUBSTANCE: proposed hydraulic turbine generators are designed for creating stationary and portable hydraulic plants of modular type. Generators have rotor with central shaft non-rotating around horizontal axis or vertical axis (as version) on which chain drive gears are rigidly fitted, each being coupled through independent chain drive with planet pinion members arranged radially and uniformly around central shaft. Each member has blade reduction gear consisting of gear of chain drive and of large and small cylindrical gears, the latter being coaxial and rigidly coupled with gear of chain drive of blade reduction gear, and large cylindrical gear is rigidly secured on axle of blade installed horizontally for generator (or vertically, as version). Each blade rests by ends of its axle for rotation on brackets secured on hubs by bases. Hubs are installed on both ends of shaft for rotation and tops of brackets at both ends of central shaft are connected by ring rims being drive wheels connected with energy converters by flexible drive.
EFFECT: provision of effective and reliable operation.
3 cl, 4 dwg
FIELD: conversion of river stream energy into electric power.
SUBSTANCE: proposed plant has base in the form of catamaran that mounts current generators and their drive, current parameters stabilizing system, turbine capable of running in fully submerged condition, and its hoist. Turbine is made in the form of belt conveyer installed on edge at certain angle to river stream. Blades made of flexible material are secured throughout entire width and length of belt. Each blade is made in the form of bucket capable of folding and resting on belt during transfer from working to idle side of conveyer, and it has pocket on external surface for automatic raising of blade by river stream during transfer from idle to working position. Turbine hoist has rocker arm for turbine suspension hinged on one end to catamaran and on other end, to turbine frame that mounts generator-drive bevel gear so that longitudinal axes of hoist rocker-arm hinges and longitudinal axis of bevel-gear driven pinion are disposed on same line. In addition, hydroelectric power plant is equipped with device enabling variation of turbine angle of installation to water flow.
EFFECT: enhanced power capacity.
1 cl, 4 dwg
FIELD: power engineering.
SUBSTANCE: turbine is designed to convert energy of water or air streams inflowing from side. Proposed turbine has shaft hinge-mounted in post around which blades are installed for turning in radial directions between supports rigidly and normally connected to shaft. Turning of blades is limited by stops. Blades are made flat, with rounded off long edges, and are arranged around shaft minimum in two directions with spaces between edges. Turning of blades is limited by two stops, and tire in turbine, thus formed, repeats in length of shaft with uniform angular turn. Supports can be made in form of radial cantilevers with aerodynamic profiling of cross section. Stops are made retractable into support body if pressure force of blade exceeds calibrated force of spring holding the stop in working position.
EFFECT: increased efficiency of using energy of fluid medium flow, simplified design.
3 cl, 6 dwg
FIELD: hydraulic power engineering.
SUBSTANCE: invention is designed for creating stationary and transportable modular hydraulic plants and setting up unit hydraulic power stations. Proposed water-wheel generator has body, shaft with central bevel gear, planet pinion members, each containing blade and shaft with bevel gears on ends, one end of shaft being coupled with central gear. Central bevel gear is rigidly secured on one of ends of central shaft non-rotating around its axis and arranged vertically. Planet pinion members are arranged around central radially and uniformly. Shaft of each planet pinion member with bevel gears on its ends is made single-section, and bevel gear belonging to said shaft and pointed to side of blade of said planet pinion member engages with bevel secured rigidly and coaxially to smaller spur gear of blade reduction gear. Larger spur gear engages with smaller one, and it is secured on axle of blade installed vertically. Each blade rests by ends of its axle for rotation of brackets mounted by bases on cylindrical housing installed for rotation coaxially relative to central shaft, and tops of brackets at both ends of central shaft are connected by ring rims. Upper rim, being drive wheel, is coupled with energy converters. Central shaft rests by both ends with locking on framework provided with pontoon devices. Invention makes it possible to use river current energy with maximum efficiency at no adverse effect on environment caused by submersion of river flood lands caused by building of dams, energy of ocean currents, energy of tides and ebbs owing to use of blades with two points of support. Versions of design of water-wheel generators are provided in description.
EFFECT: simple design, high adaptability to manufacture and servicing of water-wheel generator.
5 cl, 5 dwg
FIELD: generation of electric energy by conversion of water flow.
SUBSTANCE: electric energy is generated with the aid of vane-type machine having at least one rotor, rotor-driven generator and float for vane-type machine; vane-type machine is anchored stationary and rotor is oriented in direction of water flow. Vane-type machine is held in suspended state below water surface. Float may be inflated with compressed air and may be filled with water when required. Rotor is mounted on axle oriented in way of water flow. Rotor blades may be turned with the aid of mechanism in direction of water flow or in opposite direction. Rotor axle is just hollow axle forming the float. Vane-type machine is invisible during operation of plant.
EFFECT: simplified construction; reduction of time required for mounting.
22 cl, 11 dwg
FIELD: wind and hydraulic power engineering.
SUBSTANCE: invention relates to wind and hydraulic motors with vertical shaft of rotation. Proposed vertical shaft turbine has shaft hinge-mounted on post with rigidly and normally attached supports, and blades arranged between supports and installed on axle for turning being limited by two locks. Supports are installed in two directions to form row. Blades are made of closed elastic material tightly enclosing thickened axle to prevent axial displacement and vertical rigid edge spring-loaded relative to axle. Moreover, each blade is provided with stops fixing elastic material relative to thickened axle. Turbine can be furnished with additional rows of supports with blades installed higher and/or lower than first row. Turbine can reliable operate irrespective of velocity and gusts of wind, region and place of mounting, including movable objects, with provision of efficiency 10-16% higher than that of similar constructions.
EFFECT: simple design, effective operation.
3 cl, 2 dwg
SUBSTANCE: the micro hydro-electric power station is designed for converting energy of flowing medium into electrical energy. The device contains of ground unit, consisting of electricity distributing device, control system and controlled ballast load, a fixed water tank, generator located lower than the level of water in the hermetic tank and connected to the ground unit using water resistant cable. The water turbine with a horizontal axis of rotation, is mounted at the run-out and connected to the shaft of the generator through a gear transmission, in the form a multiplier located in a gondola. A cone is placed on the inlet of the run-out in front of the water turbine. The generator is located in the direction of flow behind the multiplier in the same gondola, which is supplied with a device for pumping water from its bottom part. The cone is made of flat elements; part of which is made in such a way that turning about longitudinal axes is possible. A driving gear is provided for this purpose.
EFFECT: increased operation reliability; power regulation.
6 cl, 1 dwg
SUBSTANCE: invention is related to the field of renewable energy sources, namely, wind energy conversion into electric energy. Converter contains frame and first and second blades that are kinematically connected with cord (chain), first and second drums (starts) that are motionlessly installed in the shafts of the first and second gears, which interact with the first and second gears via corresponding overrunning clutches, third gear and conical pair of gears with step-up gear and generator, fourth and fifth gears that interact with the third gear and third and fourth blades that are kinematically joined with cord (chain) and third and fourth drums (stars), which interact with fourth and fifth gears via corresponding overrunning clutches. Converter is made of two parts that are symmetrical in respect to outlet shaft of fifth gear, in which drive gear of conical pair is motionlessly installed. The second option of energy converter consists of two parallel adjacent pipes, in the middle of which leak-tight chamber is installed, and blades are installed inside pipes.
EFFECT: increase of efficiency factor and reduction of fluid medium energy conversion net cost.
9 cl, 8 dwg