(57) Abstract:The device is designed to produce electrical energy. Contains a generator and two vertically mounted cylinder with open upper ends are located at the same level, with the free piston and the valve device actuator to alternately overlap the upper ends. Cylinders partially filled with liquid working fluid, and their lower ends are communicated with each other. Hydroelectric power plant is equipped with the third vertical cylinder located between the first two cylinders, reversing actuator, a control unit, sensors upper position of the pistons, rollers with a flexible coupling for connecting a reversible actuator pistons. The lower end of the third cylinder connected to the lower ends of the two first cylinders, and its upper end to the upper ends of the data cylinders inclined by up pipes with check valves in the ground connection. The generator is made in the form of a hydro turbine which is located above the level of the working fluid in the cylinders, each piston is in the form of a disk with a hole or holes along the axis of the cylinder and a check valve or non-return valves for parecki upper position of the pistons are located at the lower connection point of inclined pipes to the cylinders and connected with the control unit, United with reversible drive and driven mentioned valve device. In the wall of the third cylinder above the liquid level, but below the turbine holes for communication with the atmosphere. Construction of hydroelectric power plants can improve the efficiency of power generation and to increase the uniformity of its submission to the consumer. 2 Il. The invention relates to the field of energy, namely, power plants, which convert the energy of flowing fluid into electrical energy.A device for generating electricity, containing the first and second cylinders having open upper ends. In the first and second cylinders are moved, respectively, the first and second pistons available. The cylinders are communicated with one another through a pipeline connected with the lower ends of the cylinders. Sequential opening and closing the open ends of the cylinder is rotatable cap with drive. In the system of admission of fluid between the parts of the device, limited by the cylinder and the conduit, and between the two pistons. The device comprises a driven moving the fluid flow generator generating electroen the cover the second cylinder moves the first piston into the cylinder, thus the fluid in the first cylinder is moved by pipeline to the second piston and drives the generator. Then move the cover closes the first cylinder and opens the second, which provides the pressure of the fluid on the second piston and the return of the first piston to its original position. The generation of electricity is performed while moving the second piston inside the second cylinder (see U.S. patent N 4403154, IPC F 03 13/12, 1983 )
However, this device for the generation of electricity may not possess high efficiency, because the working fluid, resulting in a generator, in the process of moving through the pipeline in each working cycle changes its direction, i.e., the flow rate varies from maximum to zero when electricity is generated, and the very elaboration is uneven throbbing in nature. In addition, between the cover and the rising piston will be spent fluid, preventing lifting of the piston, which also reduces the efficiency of the device.The objective of the invention is to increase the efficiency of power generation and increase the uniformity of its submission to the consumer.Uki two vertically mounted cylinder with open upper ends, located at the same level, with the free piston and the valve device actuator to alternately overlap the upper ends, the cylinders partially filled with liquid working fluid, and their lower ends are communicated with each other. In addition, the hydroelectric power plant is equipped with the third vertical cylinder located between the first two cylinders, reversing actuator, a control unit, sensors upper position of the pistons, rollers with a flexible coupling for connecting a reversible actuator with the piston, the lower end of the third cylinder connected to the lower ends of the two first cylinders, and its upper end to the upper ends of the data cylinders inclined by up pipes with check valves in the ground connection, the generator is made in the form of a hydro turbine which is located above the level of the working fluid in the cylinders, as each piston is a disc with a hole or holes along the axis of the cylinder and a check valve or non-return valves for overlap during movement of the piston, and the piston is made with a density higher than the density of the flowing fluid, the upper position of the pistons are located at the lower connection points and n is the house mentioned valve device, and in the wall of the third cylinder above the liquid level, but below the turbine holes for communication with the atmosphere.In Fig. 1 schematically shows a General view of the hydroelectric power station, and Fig. 2 view And Fig. 1, the valve device in the open position.Hydroelectric contains the generator 1 and the two vertically mounted cylinder 2, 3 with the open upper ends are located at the same level, with the free pistons 4, 5 and the valve device 6 with the actuator 7 to alternately overlap the upper ends, the cylinders 2, 3 are partially filled with fluid the working fluid up to level 8, and their lower ends are communicated with each other. In addition, the hydroelectric power plant is equipped with the third vertical cylinder 9 located between the first two cylinders 2, 3, reversible drive 10, the control unit (Fig. not shown), the sensors 11, 12 of the upper position of the pistons 4, 5, rollers 13, 14 with a flexible coupling 15 for connection of the reversing drive 10 with the pistons 4, 5, the lower end of the third cylinder 9 is connected to the lower ends of the two first cylinders 2, 3, and its upper end to the upper ends of the data of the cylinders 2, 3 by means of inclined upward piping 16, 17 with a non-return valve is located on level 8 of the working fluid in the cylinders 2, 3, and each piston 4, 5 - the form of a disk with a hole 21 or holes 21 along the axis of the cylinder 2 or 3 and the check valve 22 or a non-return valve 22 to overlap during movement of the piston 4 or 5 top, and the pistons 4, 5 are made with a density higher than the density of the flowing fluid, the sensors 11, 12 of the upper position of the pistons 4, 5 are located at the lower points 23, 24 of the inclined connection piping 16, 17 to the cylinders 2, 3 and are connected with the control unit, connected to a reversible drive 10 and the actuator 7 mentioned valve device 6, and in the wall of the third cylinder 9 above the level 8 of the working fluid but below the turbine 20 with holes 25 for communication with the atmosphere.Cylinders 2, 3 and 9 fill fluid the working fluid up to level 8, in which the observed approximate equality of heights (H) from the level 8 to sensors 11, 12 and to the upper surface of the piston 4 or 5 in their lowest position.Check valves 22 can be made in the form of a hinge mounted over the hole (holes) 21 plates (plates) 22 (piston 4) or in the form of a ball (balls) 22 (piston 5, which is placed in a conical hole (holes) 21 with the bounding mesh top (Fig. not marked).For hobespenean, (of Fig. not shown), providing a time delay actuation of the reversing actuator 10 and the actuator 7 of the valve device 6, which may be in the form of halved washer articulated by the United halves and the Central and peripheral sealing elements (Fig. not shown) to ensure the integrity of the cylinders 2 and 3 when the overlap their upper ends.Hydroelectric power plant operates as follows.In the initial position the upper ends of the cylinders 2 and 3 are open, and the pistons 4 and 5, as equal in weight and having a density higher than the density of the working fluid immersed to the same depth, while the turbine 20 generator 1 (the unit) is located on level 8 of the working fluid, which can be used any non-aggressive fluid medium (water, oil and so on ). For starting work is driven by the reversible drive 10 (i.e., the actuator having the ability to rotate in different directions) and through the control unit of any of the pistons 4 or 5 connected thereto by flexible connection 15, the envelope rollers 13 and 14, for example, connected to the piston 5. In this case, the control unit additionally sends a signal to the actuator 7 silvaze 15 through the Central sealing element.When lifting up the piston 5 is blocked by the check valve 22 and the opening 21 in the piston and the working fluid that is located on the piston 5 also rises, and the air present in the upper part of the cylinder 3 is compressed, increasing its pressure opens the check valve 19 and closes the check valve 18, the air acting on the turbine blades 20, drives the electric generator 1. It is possible to install before the turbine 20 of the guide vane, an employee and a support for the generator 1. After the turbine 20 air through the openings 25 being released into the atmosphere.Raised by the piston 5, the working fluid reaching the point 24, begins to merge on the blades already promoted by the air stream of the turbine 20, increasing the speed of its rotation.When the piston 4 goes down accordingly. The working fluid thus flows through the hole 21 and pressed check valve 22 and does not interfere with the immersion of the piston 4 to the lowest point, defined by a preselected length of the flexible connection 15, and the atmospheric pressure acting through the open end of the cylinder 2 to the working fluid contributes to the raising of the piston 5 and the working fluid above it.When the piston 4 pogruzites ispolnennym, for example, in the form of a limit switch, the latter gives a signal to the control unit (similar to the control unit of the Elevator), which acts on the actuator 10 for changing the direction of rotation and the actuator 7 of the cylinder 3 and 2 for opening and closing the valve device 6, respectively.Then the piston 4 rises and the working cycle is repeated, with rises up already calculated column of fluid.Thus on the turbine blades 20 is continuous sequential impact of the flows of air and fluid in one direction.If the pipes 16 and 17 do not provide a complete discharge of the working fluid when lifting pistons 4, 5 to the sensors 11, 12, there may be a temporary delay of the pistons 3, 4 in the extreme upper position by means of a timer control unit, i.e., the pistons 4, 5 some time will be fixed until you merge fully working fluid.Level 8 of the working fluid, the location of the turbine 20 and holes 25 are selected based on the fact that the turbine 20 and the hole 2 was located always above the level of 8 in the third cylinder 9, i.e., so that the working fluid does not interfere with the rotation of the turbine 20 and is not leaking out of the holes 25 that fosmon level 8 to sensors 11, 12 and to the upper surface of the piston 4 or 5 in their lowest position.As a reversible drive 10 may be used in any engine (except electric), capable of changing the direction of rotation, but you can also use two motors rotating in opposite directions and alternately connected through couplings to flexible connection 15, such as windmills or water wheels. Hydroelectric containing the generator and two vertically mounted cylinder with open upper ends are located at the same level, with the free piston and the valve device actuator to alternately overlap the upper ends, the cylinders partially filled with liquid working fluid, and their lower ends are communicated between them, characterized in that it is equipped with the third vertical cylinder located between the first two cylinders, reversing actuator, a control unit, sensors upper position of the pistons, rollers with a flexible coupling for connecting a reversible actuator pistons, the lower end of the third cylinder connected to the lower ends of the two first cylinders, and its upper end to the upper ends of the data Celine made in the form of unit, turbine which is located above the level of the working fluid in the cylinders, each piston is in the form of a disk with a hole or holes along the axis of the cylinder and a check valve or non-return valves for overlap during movement of the piston, and the piston is made with a density higher than the density of the flowing fluid, the upper position of the pistons are located at the lower connection point of inclined pipes to the cylinders and connected with a control unit, connected to a reversible drive and driven mentioned valve device, and in the wall of the third cylinder above the liquid level, but below the turbine holes for communication with the atmosphere.
FIELD: oil and gas extractive industry.
SUBSTANCE: device has metallic hubs of stator and rotor, wherein crowns of stator and rotor are concentrically pressed. Crowns of stator and rotor are made of durable ceramics and are additionally equipped with connections, allowing to exclude non-controlled turning of crowns in hubs and spontaneous axial displacement thereof.
EFFECT: higher reliability and efficiency.
FIELD: turbines using kinetic energy of liquid flow.
SUBSTANCE: proposed turbine has turbine case , stay ring with cascade of stay vanes, wicket-gate mechanism with cascade of adjustable vanes, operating element with cascade of flange-mounted blades and drive shaft coupled with electric generator step-up gear, operating element chamber, and draft tube. It is also provided with straightening mechanism that has cascade of vanes, chain transmission that has sprockets and shafts; external and internal rims are made in cross-sectional areas in the form of ovals. Cascade of blades is made in the form of caterpillar cascade. Operating element blades are cylindrical in shape and hinge-joined through chain transmission whose drive sprocket is coupled with drive shaft. Flanges of operating element blades are provided with supporting rollers mounted in fixed supports and joined with chain transmission shafts at distances of two adjacent operating-mechanism blades; guides are made in the form of oval junctions joined with turbine internal rim in vicinity of their abutting against butt-ends of flanges carrying operating element blades.
EFFECT: enhanced turbine efficiency.
1 cl, 4 dwg
FIELD: mobile generator plants.
SUBSTANCE: proposed generator plant has frame that mounts power unit, foot-operated air pump, and compressed-air cylinders whose air lines communicate with generator plant. Control panel is electrically connected to output of electric generator vertically installed on generator plant housing and mechanically coupled with exciter and power unit made in the form of vertical-shaft pneumostatic motor. The latter has sealed case with inlet, outlet, and safety valves closed with cover that accommodates vertical rotor mounted in case and cover bearings and made in the form of shaft with two power drives attached thereto by means of U-shaped frames. Power drives are installed on either side of vertical shaft and spaced 180 deg. apart in horizontal plane. Each of them has a number of similar members symmetrically mounted one on top of other, their quantity being dependent of desired power. Each member is essentially rhombic plate made of light-mass and high-strength metal whose longitudinal axis is longest diagonal parallel to that of other power drive. Through ducts are provided on front ends of rhomb and L-shaped blind ducts, on its rear butt-ends. All these ducts are closed with covers kinematically coupled with drive cylinder piston. Compressed air fed to sealed housing opens covers, and unbalanced forces are built up on each member which set power unit in rotary motion. Air evacuation from sealed housing closes covers with the result that no forces are built up on drive members.
EFFECT: enhanced power output and torque.
2 cl, 21 dwg
FIELD: power engineering.
SUBSTANCE: device is designed for converting kinetic energy of free flow of water into electric energy. Proposed microhydroelectric station contains hydraulic turbine with horizontal axle of rotation connected with submersed sealed electric generator. Station is provided with carrying frame consisting of sections on ends of which shields are installed to form confuser at inlet of water flow, and diffuser at outlet. Slow speed generator is used as electric generator whose shaft is directly connected with shaft of hydraulic turbine consisting of separate sections mounted on bearing supports. Each section contains one or more blade propulsors displaced through equal angle relative to each other. Each propulsor has two blades pointed in opposite directions being essentially NASA section modified by provision of cavity on lower plane, maximum depth of which being from 10 to 14% of maximum height of section and installed on posts secured on shaft of hydraulic turbine for fixed displacement of blades in radial and angular directions.
EFFECT: reduced cost of manufacture and mounting.
FIELD: engine manufacturing.
SUBSTANCE: invention relates to method of operation of self-contained power station powered by diesel-generator set. According to proposed method of operation of self-contained power station powered by diesel generator set equipped with additional flywheel and disconnect clutch with automatic control members, additional flywheel is mounted on separate shaft which is connected with diesel-generator set by means of disconnect clutch. Preparatory operation is carried out to set power station into operation with subsequent overcoming of short-time starting resistances from consumer. Additional flywheel is connected to shut down diesel generator set by means of disconnect clutch. Power station is started under no load, and its coming to rated speed is detected by readings of generator shaft speed pickups. Load is connected and intensity of generator shaft speed drop is checked. Information is automatically transmitted to controller wherefrom, at termination of generator speed drop, signal is transmitted to disconnect clutch, and rotating additional flywheel is disconnected from diesel generator set, thus changing the set for accelerated mode of restoration of initial rated speed.
EFFECT: provision of power saving operation at stable conditions for overcoming designed resistance torque and short-time overloads exceeding capabilities of chosen supply source.
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: power engineering.
SUBSTANCE: plant is designed for generating electric energy and pumping of water. Proposed device contains floating base in form of catamaran with channel between housing of catamaran in which water wheel with blades on its outer surface is mounted, and electric generator mechanically coupled with shaft of water wheel. Diameter of water wheel is less than its length. End faces of water wheel are covered, and front profile of water wheel blades is made to logarithmic spiral. Moreover, plant is furnished with water pump, and drive of electric generator is made in form of step-up harmonic gearing whose flexible gear is coupled with end face of water pump. Output shaft of step-up gearing is aligned with shafts of water wheel and electric generator, being coupled with water pump by step-up belt drive. Drive sheave of step-up belt drive is installed on shaft of electric generator. Controllable clutches are installed on shafts of belt drive.
EFFECT: improved reliability and enlarged operating capabilities of plant.
2 cl, 3 dwg
FIELD: machines or engines for liquids.
SUBSTANCE: device comprises converter for converting flow power into kinetic energy of rotation and hydraulic turbines connected in series. The hydraulic turbine is made of hollow load-bearing shaft-cylinder with conical deflectors on the bases. The semi-cylindrical blades are secured to the shaft-cylinder along the generatrix of the cylinder or at an angle to the generatrix. The load-bearing shaft-cylinder is inscribed into the inner ends of the semi-cylindrical blades, and their outer ends tightened by means of rings define multi-blade cylinder provided with variable buoyancy that is controlled by ballast in the hollow section of the shaft-cylinder. The hydraulic turbine can be submerged into water completely or partially and interposed between the bearings and connected with the actuating mechanism through flexible links, clutches, and gearings. The actuating mechanism comprise one or several massive inertia flywheels made of disk or drum or cylinder connected through clutches and gears with the consumer.
EFFECT: enhanced efficiency.
3 cl, 9 dwg
FIELD: electromechanical engineering.
SUBSTANCE: proposed generator primarily designed to supply with power borehole instrument of face telemetering system in the course of boring has internal stator and rotor; the latter mounts turbine in its front part that has casing carrying rectangular- or trapezoidal-section helical blades. These blades are free to vary their angle of lift depending on conditions of borehole washing with drilling fluid. Blades may be made of flexible material and have two parts of which one part is joined with turbine casing and other (loose) part is free to bend in transverse plane. In addition, blades may have variable stiffness in cross-sectional area and variable height of cross-section profile; loose parts of blades may be joined with ring. Blade turn limiter responding to maximal discharge of drilling fluid may be provided on the turbine casing.
EFFECT: enhanced operating reliability and extended variation range of drilling fluid discharge through generator turbine.
7 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