Fluid-pressure actuators and hydraulics or pneumatics in general (F15)

F15            Fluid-pressure actuators; hydraulics or pneumatics in general(8979)

Hydraulic system of mini loader // 2628685
FIELD: transportation.SUBSTANCE: hydraulic system is designed for multi-function mini loaders. The system includes a hydrolysis-connected tank, main pump, work equipment control valve and work equipment. A gear pump connected by a hydraulic line to the cold start unit is inserted into it and includes a spool valve with an electromagnet for throttling the working fluid, a safety valve and a working fluid temperature sensor electrically connected to the newly introduced control unit on the dashboard of the loader.EFFECT: increased life of the main pump and duration of the battery.2 dwg

Tool with reduced hydraulic oil exchange // 2628517
FIELD: agriculture.SUBSTANCE: frame has seven sections in the position for use in the field and nine sections in the folded position. The frame construction allows the frame having the width more than 27 m to be folded into the transport position having the width of less than eight meters and the height of less than six metres. The hydraulic system is used to carry the weight to the main or central frame section during folding and unfolding in order to increase the frame stability. The hydraulic system uses one or more accumulators to minimize the amount of oil reduction in the tractor tank, caused by the extension of the hydraulic cylinders of the tool. The time periods of the tool raising and lowering cycle are minimized due to providing the second auxiliary cylinder for lifting the main section of the frame when the weight of the entire tool is on the main section and for enabling the use of a smaller cylinder for lifting the main frame section in the position for use in the field and shortening the time periods of the tool raising and lowering cycle for turns in the field.EFFECT: increasing the frame stability during the folding process and reducing the load on the inner wheel assemblies.6 cl, 17 dwg
Turbulent viscosity reducing additive with anticorrosion properties // 2627355
FIELD: chemistry.SUBSTANCE: turbulent viscosity reducing additive with anticorrosion properties contains the ultrahigh-molecular polymer of alpha-olefins, the condensation product of higher amines with carbon atoms number of 6-30 with the oxyalkylation degree of 2-50, while using as the oxyalkylating agent of the epoxy compound with the carbon atoms number of 2-6 with the dibasic organic acid and the carbon atoms number 3-9, the solvent. The mixture of linear and branched aliphatic monoatomic and polyatomic alcohols and/or ethers with the carbon atoms number of 1-15 is used as the solvent.EFFECT: reduction of the hydraulic resistance in the main pipeline and increase of its throughput capacity with simultaneous protection against the corrosion of the main pipeline inner surface and the equipment associated with it, used for transportation of hydrocarbon liquids.2 cl, 1 tbl, 25 ex

Pneumatic actuator for axisymmetric valves // 2626868
FIELD: machine engineering.SUBSTANCE: pneumatic actuator for the axisymmetric valves contains a pneumatic cylinder (1), in the cavity of which there is a piston (6) rigidly connected to the valve stem, hydraulic cylinder (2), elastic elements in the form of springs (5). Springs (5) have the opposite winding direction and are installed through one around the hydraulic cylinder (2) between the piston (6) and the support (3) in an amount of not less than four. The hydraulic cylinder (2) is installed under the piston (6) on the support (3). The piston rod (6) is connected to the valve stem (9). The explosion-proof limit switches (12) and the positioner of the drive mechanisms (13) are attached to the support (3). As a handwheel, a hydraulic system (16) is used, connected by means of a pipeline to the working cavity "G" of the hydraulic cylinder (2). Hydraulic system (16) is simultaneously a hydrodrome.EFFECT: increasing the reliability of the pneumatic actuator while controlling the valve while regulating the flow and pressure of natural gas in pipelines.3 cl, 3 dwg

Drive // 2625888
FIELD: transportation.SUBSTANCE: invention relates to a drive (1) having a master unit (3) and a slave unit (19). Slave unit (19) includes a first linear movement node (15), having a first driven member (7) and second linear movement node (16), fluidly coupled through a pipeline system (27) to first linear movement node (15), having a second driven member (8). Master unit (3) is hydraulically connected with a pipeline system (27). To reject slave units (7, 8) by master unit (3), fluid exchange is possible between first linear movement node (15) and second linear movement node (16). First linear movement node (15) and second linear displacement node (16) have prestressing elements (12, 25). In accordance with the invention, these prestressing elements (12, 25) are supported in the opposite direction on a movably mounted clamp (4).EFFECT: provision of a constant force on the slave node.8 cl, 4 dwg

Proportional valve of management of hydromechanical transfer frequencies // 2624926
FIELD: machine engineering.SUBSTANCE: valve includes coaxially arranged first stage, made in the form of a pressure regulator, and a second stage in the form of a regulator-distributor of the main flow of the working fluid. The valve contains two additional throttles: a choke of the pressure control chamber formed in the valve body and an inter-chamber choke installed between the pressure regulating chamber and the control chamber of the regulating valve. The ball valve is installed in the valve chamber of the valve body with a radial clearance characteristic of the precision pair. The pusher of the proportional electromagnet is installed in the hole of the electromagnet body with a radial clearance characteristic of the precision pair; the end face of the supporting head contacting the armature of the electromagnet is spherical, longitudinal grooves are provided on the cylindrical surface of the shaft to communicate the cavity of the armature of the electromagnet with the port of draining the working fluid.EFFECT: improving the quality and stability of the pressure control characteristics in the control of hydro-mechanical transmission clutches and reducing the flow of working fluid to the drain through the pressure regulator during the control process.4 cl, 5 dwg

Rotative action allhydraulic drive with valve distribution and speed control // 2623614
FIELD: engines and pumps.SUBSTANCE: allhydraulic drive comprises a pump (9) with a discharge flow line (8) connected via a flow regulator (12) to the drain (tank), a reversible hydraulic motor (1) with a working lift flow line (14) and a lowering flow line (17), kinematically connected to an actuator (not shown) provided with a hydro-controlled brake. In the working lowering flow line (17) of the hydraulic motor (1), a retaining device (19) is installed, and in the working lift flow line (14) of the hydraulic motor (1) there is a retaining device (18). The retaining device (18) includes a retaining valve (2) connected by the inlet to the lift flow line (14) and to one of the hydraulic motor (1) cavities, and a check valve (4) connected to this hydraulic motor cavity by the outlet. The retaining device (19) includes a retaining valve (3) connected by the inlet to the lift flow line (17) and to one of the hydraulic motor (1) cavities, and a check valve (5) connected to this hydraulic motor cavity by the outlet. Retaining devices (18, 19) are interconnected via further check valve (25) and a hydraulic on off normally closed bilinear spring-loaded switch (24) by check valves inputs (4, 5) and the retaining valves (2, 3) outputs, the pumping (9) flow line (8) is connected to an input of each of the retaining devices (18, 19) check valves (4, 5) through one of two mounted in parallel electrically controlled three-way two-position spring-loaded valves (10, 11) each connected to the discharge flow line (8) and the input of the noted regulator (12) of consumption by its normally closed flow line. Each retaining device (18 and 19) is equipped with a throttle (6 or 7) respectively, connected in parallel with the check valve (4, 5) and the retaining valve (2, 3). The retaining device (18) in the lift flow line (14) is provided with a hydraulic lock (15) installed in series with the throttle (6) and a connected by control cavity (16) to the lowering flow line (17) and connected through the noted additional non-return valve (25) hydraulically controlled brake retraction chamber.EFFECT: increased smoothness of the hydraulic motor operation when it is moving off from the rest and moving at a low speed, reducing the value of this minimum speed.8 cl, 1 dwg

Body movement overspeed limiter // 2623612
FIELD: machine engineering.SUBSTANCE: limiter is designed for the installation into the emergency protection system. The working piston changes the shutoff element position of the standard pipeline valves. The working chamber is made in the body. The volume of the working chamber depends on the working piston position. The working chamber is filled with the granular material. The granular material has the possibility to leave the working chamber only into the granular material discharge chamber through the opening. The opening internal area is smaller than the cross-section area of the working chamber. The granular material discharge chamber volume depends on the position of the discharge chamber piston. Pistons are coaxial. In the standby mode, the piston of the granular material discharge chamber is blocked by the mechanism. The mechanism loses the blocking function under the influence of the emergency factor. The working piston movement is carried out due to the granular material output from the working chamber to the granular material discharge chamber without using the energy external source.EFFECT: reliability increase.1 dwg

Hydro (pneumo) cylinder // 2622992
FIELD: machine engineering.SUBSTANCE: hydraulic (pneumatic) cylinder is used to move the actuator from one position to another. Hydro (pneumatic) cylinder (10) includes a plurality of step portions (28a, 30a, 32a, 34a) of the first through fourth ranging in first castle butt connector assembly (26) of the cover (14) of the head, and a plurality of stepped portions ( 28b, 30b, 32b, 34b) from first to fourth in the second castle ranging butt connector assembly (50) of the cover (16) of the stem. Selective assembly of a cylindrical pipe (12) at any one pair of step portions (28a, 28b, 30a, 30b, 32a, 32b, 34a, 34b) of the first through fourth allows in case of use of a new cylinder tube (12), characterized in diameter together with a new piston (18) and the subsequent selective mounting of the cylindrical tube (12) by a single pair of step portions (28a, 28b, 30a, 30b, 32a, 32b, 34a, 34b) of the first through fourth enable obtaining hydraulic (pneumatic) cylinder (10) with a different channel diameter.EFFECT: expansion of output force control range.4 cl, 6 dwg

Power hydrocylinder with mechanical fixation of the stock // 2622684
FIELD: machine engineering.SUBSTANCE: hydraulic cylinder contains a housing 1 with covers 2, inside which, with the formation of working cavities 3, 4, a piston 7 with a rod 8 is mounted, seals 24 of the working cavities 3, 4 interacting with the rod 8 are arranged, and fluid supply channels 5, 6 are provided, and also a mechanism for fixing the rod 8 to the housing 1 with the spherical locks 9 installed in the radial holes 10 of the rod 8 to extend into the recesses 11 of the cover 2 of the housing 1 located along the rod 8 formed with the axial channel in which the spring- 12 of the locking mechanism having a groove 20 for applying its edges to the clamps 9 and provided with an end pusher provided with two control chambers 18, 19, connected channels 16, 17 to the different working cavities 3, 4 of the housing 1.EFFECT: providing automatic fixing of the rod of the power cylinder with pressure reduction, increase of the permissible load on the fixed rod, simplification of the design.7 cl, 3 dwg

Hydro (pneumo) cylinder // 2622214
FIELD: machine engineering.SUBSTANCE: hydraulic (pneumatic) cylinder (10) on the first annular projection (34) of the cover (14) of the head to be freely mounting and dismounting established first positioning ring (26) and the second annular projection (48) of the cover (16) of the stem a freely mounting and dismounting the second set positioning ring (28). From the outer circumferential surfaces of the first and second positioning rings (26, 28) inserted into the opposite end portions of the cylindrical pipe (12). Wherein the first and second positioning rings (26, 28) allow positioning and supporting both end portions of the cylindrical pipe (12).EFFECT: by preparing the new cylindrical pipe with a different diameter and new first and second positioning rings and mounting new cylindrical pipe through the new first and second positioning rings mounted on the first and second annular ridges, it is possible to obtain mentioned cylinder with a different diameter of the cylinder bore.5 cl, 7 dwg

Reset device is intended for the system of controlling parameters of the fluid (versions) // 2621575
FIELD: machine engineering.SUBSTANCE: device comprises a first valve having an inlet to which a load fluid, and an outlet fluidly connected to loading chamber control fluid parameters, and a second valve having an inlet fluidly connected with the loading cam control fluid parameters, and an outlet fluidly connected to the nozzle outlet. A sensor is configured to measure the fluid pressure at the inlet, and a controller operable to ensure the transition of the first valve to an open position and a second valve in the closed position when the fluid pressure at the inlet exceeds the first threshold.EFFECT: improved accuracy and reliability of regulation.13 cl, 8 dwg

Hydraulic system with kinetic energy drive // 2621408
FIELD: machine engineering.SUBSTANCE: hydraulic system comprises a hydraulic fluid, a hydraulic machine (142), a hydraulic circuit for supplying fluid to the hydraulic actuator (103A, 103B). Hydraulic machine (142) configured to receive hydraulic fluid from the hydraulic actuator (103A, 103B). The hydraulic system also comprises a memory (150) the kinetic energy - a flywheel coupled to said hydraulic machine (142). Hydraulic machine (142) capable of transferring energy from the hydraulic fluid derived from the hydraulic actuator (103A, 103B) in the flywheel.EFFECT: increase the efficiency of the hydraulic system.22 cl, 14 dwg, 1 tbl

Rotary engine // 2619514
FIELD: engines and pumps.SUBSTANCE: engine is designed to convert the translational motion of the balls into a circular reciprocating motion of the lever rigidly attached to the working shaft and creating a torque thereon. The body has the form of an open ring tube with a groove in the inner wall for passage of the lever, at the end of which a piston located in the internal cavity of the pipe is installed. At both ends of the tube, the lids with the holes for the exit of the balls from the housing are fixed rigidly. At the inner end of the lid there are evenly distributed conical grooves with a cone base diameter equal to or greater than two maximum diameters of the balls. From the outer end of the lid on the same circumference as the tapered recesses, with the displacement from the tops of the cones along the circumference of the circle equal to half the maximum diameter of the balls, through channels are made to the grooves, diameters corresponding to the maximum diameter of the balls, the outer ends of which have organized attachment points for the nozzles connection of pipelines supply and discharge balls.EFFECT: creating a compact powerful engine.4 dwg

Hydraulic drive for pressure converter // 2618744
FIELD: machine engineering.SUBSTANCE: hydraulic drive comprises a hydraulic pump, which in each turn pumps a constant volume of the working fluid that drives the electric actuator, and is actively connected to the power supply unit, adjustable and/or selectable measurement signals. Servo-drive is made bidirectional, ie as the reversible motor, and thus, loading of the working fluid pressure transducer may be reversed, and the management control parameters and/or shift actuator of the power supply based on the measurement of pressure devices signals and/or changes in working fluid pressure, fluid pressure and/or pressure change and under high pressure, and/or a plunger position in a pressure transducer.EFFECT: reducing peak loads, high reliability and simplified installation design.3 cl, 2 dwg

ethod of energy recovery of the excavator rotary platform hydraulic drive // 2618154
FIELD: electricity.SUBSTANCE: in the method, the software/logic controller, through the sensor system, reads the increase in peak values of dynamic loads - torque, rotation angle, angular acceleration and in the deviation from the set torque values puts into use the electric recuperator. When the critical loads are exceeded, the electric recuperator brakes the platform and operates as a generator, converting mechanical and hydraulic energy into electrical energy, accumulating some of the mechanical energy in the battery, and the other part - by redirecting it to the on-board network. When the electric recuperator operates, the hydraulic system operates at a reduced pressure with lower pump and hydraulic motor powers, the dynamic and speed characteristics are controlled by the electric recuperator by changing the torque on the shaft of the drive gear. In the process of the electric recuperator operation, the actuators of the drive synchronously redistribute the power load over the contact surfaces of the kinematic pairs, ensuring a reduction in the concentration of internal voltages on a limited contact area per unit of work time.EFFECT: reduction of energy losses.3 dwg

Hydraulic system for various structures base-holding in horizontal plane in transportation units // 2618144
FIELD: automotive industry.SUBSTANCE: spherical pendulum is mounted on the base of the structure. There are hydraulic distributors installed between the spherical pendulum and the structure base along the longitudinal and transverse axis of the structure base for tracking the inclination of the longitudinal and transverse axis of the structure base. The structure base, when tilted, changes the position of the spool valves of the hydraulic distributors for tracking the inclination of the longitudinal and transverse axis of the structure base. The working fluid coming from the hydraulic distributors flows through the pipeline into the cavities of the hydraulic cylinders turning the cardan suspension and turning the frame of the cardan suspension, on which the structure base is mounted. The structure base is installed parallel to the horizontal plane.EFFECT: increased stability and efficiency of use of process characteristics of structures installed on transportation units.4 dwg

Way of fluid optimal working purity maintaining in hydraulic systems and device for its implementation // 2616733
FIELD: chemistry.SUBSTANCE: method involves regulation of fluid treatment period and the period of stopping the cleaning process, and the cleaning period and the periods stop cleaning fluid is set in advance fluid contamination monitoring time in the hydraulic tank. After that, the sequence diagram of the block further purification in "work - pause" mode is set by a programmable time switch in accordance with the results of preliminary monitoring time cleaning performance and contamination period of time. The apparatus comprises a tank connected to the hydraulic unit further purification filter device comprising a pump, pump controller. In the pump control unit, the programmable timer is integrated, operable to regulate a continuous automatic repeat operating cycles purification unit and configured to replace operation cycle periods.EFFECT: increase of reliability of maintaining the required level of cleanliness of the working fluid.2 cl, 1 dwg

Actuating body small displacements method in the membrane type devices and device for its implementation // 2616678
FIELD: tool engineering.SUBSTANCE: actuating body small displacements method of the membrane type devices includes the creating of the effect on the actuating body in the form of the piston, using the flexible membrane connected to the piston, by changing the gas pressure in the working chamber. At that the pressure change in the working chamber is carried out by passing the electric current impulses in the conductor, placed in the working chamber, performed with the tap in the form of a tube, which outlet is closed by the elastic membrane.EFFECT: improved displacement accuracy.2 cl, 5 dwg

Device for preparing compressed air for vehicle and method for operating compressed air preparing device // 2616486
FIELD: transportation.SUBSTANCE: device comprises a magnetic valve, wherein the output magnetic valve connection is connected to the control compressor output, a regeneration magnetic valve, which is connected to the output magnetic valve connection, and a drain valve. The output magnetic valve connection is connected to the control pressure input of the drain valve. The vehicle comprises a compressed air preparing device. The method for operating the compressed air preapring device consists in controlling the operation of the drain valve by means of the magnetic valve.EFFECT: increasing protection of the compressed air preparing device from freezing at low temperatures.7 cl, 6 dwg

ethod and device with solid bottom to generate pressure waves in the injection well bore // 2616024
FIELD: oil and gas industry.SUBSTANCE: device for generating pressure waves in the injector bore is designed as the Helmholtz jet generator (HJG), containing: a cylindrical chamber of the cavity resonator with two parallel lids - front and rear; the inlet nozzle, disposed in the front lid; the ring, mounted on the radial pillars on the cylindrical chamber axis of the cavity resonator in the interval between the lids; and the outlet hole. Wherein the inlet nozzle is connected with FC and the outlet is directed downward along the borehole. Wherein the outlet is made on the side from the inlet nozzle, in the front lid or housing of the cavity resonator cylindrical chamber.EFFECT: increasing the efficiency of low-frequency vibrations generating without increasing volume of the cavity resonator chamber or holes length.2 cl, 5 dwg

Way of creating high and ultrahigh pressures and device for its implementation // 2615895
FIELD: machine engineering.SUBSTANCE: method and apparatus designed to provide high and ultra-high static pressures in large quantities and can be used for testing various components and assemblies. The apparatus comprises a housing, a working chamber and channels for coolant circulation, wherein the casing is symmetrical in two or more coaxial cylinders that are inserted into each other with a gap filled with water and closed with plugs ends. Channels for the circulation of the refrigerant is annular and symmetrically mounted on the body with the possibility of thermal contact.EFFECT: provision of device integrity and improving its reliability in operation.3 cl, 3 dwg

Valve high-pressure dispenser // 2615891
FIELD: machine engineering.SUBSTANCE: valve hydro-dispenser comprises a housing with an integrated cover and the pusher, as well as medium inlet and outlet channels. A pusher mounted for movement with the control action on its outer part. Between the mentioned channels, at least one valve is located. The valve comprises two parts contact each other - and an annular seat arranged with the possibility of joint movement with spring loaded pusher bolt in the form of a hollow shell. The sleeve is provided with an external seal and is provided with simply supported at the annular shoulder and seat with a through hole connected to the pusher spring formed around the cavity gate. One of the contact parts of the valve between a nip formed with the possibility of elastic bending and local clearance wedge formation under the influence of fluid pressure drop in the supply and removal channels.EFFECT: high tightness at pressures up to 40 MPa, increased unification to build three or four line gidroraspredelitelnyh devices.8 cl, 8 dwg

Control-testing complex for autopilot checking // 2615850
FIELD: measuring equipment.SUBSTANCE: control and testing system to check autopilot comprises a personal computer configured with software, which inputs and outputs connected to the command input unit, and information display unit with the reference voltages and the measuring unit. Reference voltages unit serving to generate a predetermined voltage amplitude, frequency and phase output is connected by a measuring unit which comprises measuring modules of the same type are interchangeable, amplifier module and secondary power sources, and serves to generate electrical signals and measuring the response signals control object. The measuring unit is connected to the inputs and outputs of the device through the switching and signal conditioning with the object of control, in addition, to create a predetermined angle of the shaft rotation sensor monitoring object contains complex installation swivel connected to a personal computer via the management module.EFFECT: establishment of the control and verification of the complex to carry out inspections of the helicopter autopilots and its constituent elements in semi-automatic mode, which increases the reliability and validity of the results of due diligence test equipment parameters in all modes of operation, the possibility of semi-automatic checks.2 cl, 1 dwg

ethod for diagnosing hydraulic machines // 2614949
FIELD: machine engineering.SUBSTANCE: method of diagnosing hydraulic machine includes a peck on the test mode with the continuous change in the angular speed of rotation, for example, turning off the hydraulic machine drive. Measurement at this time at least one of the two values of the hydraulic machine operation characteristics when a predetermined number of revolutions per unit time. Calculating these values diagnostic parameter and its comparison with the reference. In addition, measure the time between the moment of reaching the preset number of revolutions of the shaft per unit time, and use this value to evaluate the mechanical losses.EFFECT: increase of informativeness of diagnosing of a technical condition of hydraulic machines and can be used in the evaluation of the technical condition of hydraulic machines in operation.1 dwg

Device and method for generating electric power by means of limited pressure osmosis (versions) // 2613768
FIELD: ecology; power engineering.SUBSTANCE: group of inventions relates to production of ecologically clean electric power via limited pressure osmosis in a closed circuit by means of a sequence with periodic charge or by means of a continuous sequence using two sections. One of sections is a lateral pipeline released from interaction, in which there is replacement of diluted concentrate with high mineralization with a fresh solution. Other section is a device with a closed circuit with three parallel-connected modules, where low mineralization solution is fed and where part of diluted concentrate with high mineralization undergoes recirculation through modules. Other part is used for electric power generation by means of turbine and three electric generators. Periodic connection of lateral pipeline with a solution with high mineralization and closed circuit enable replacement of compressed diluted concentrate with high mineralization with a fresh solution without stopping electric power generation.EFFECT: group of inventions is aimed at electric power generation by means of limited pressure osmosis.10 cl, 15 dwg
Hydraulic drive // 2613546
FIELD: machine engineering.SUBSTANCE: hydraulic drive is intended for driving the valves of the ventilation and fire doors, gates, hatches, and other mechanisms installed in the underground mines, pits and other underground structures and their ground structures, explosion hazardous mine gases and/or combustible dust, at high time requirements for transferring the mechanism elements using a manual drive. The hydraulic drive includes a power hydraulic cylinder, a piston pump combined with a working fluid storage capacity, a screw drive of the piston pump, a worm gear, a motor, a flywheel for manual driving the piston pump with a switching clutch, connecting pipes for supplying hydraulic fluid from the piston pump to the power cylinder. The switching valves are installed on the pipelines to connect the piston pump and the power cylinder.EFFECT: reducing the number of the pipelines and the control valves, the absence of the hydraulic pump station and the tank of the working fluid storage, reducing time for transferring the mechanism elements and loads on the staff using the manual drive.2 cl, 2 dwg
Circular lubrication hydraulic unit // 2613343
FIELD: machine engineering.SUBSTANCE: hydraulic unit contains a hydraulic tank of supporting structure, two immersed pumps, which are mounted on the top plate, the switching system and technologically interconnected the working reagent control system, containing the pressure and level sensors, heat exchanger, cleaning filters with dirt sensors, drain system, at that, the internal space of the hydraulic tank is hermetically divided by longitudinal partition into two sections, where the transverse partitions are fixed vertically with a gap to the bottom, inclined towards the drain, and the control system has the integral sensor of the water content in the working reagent, and the inlet nozzles are located in the upper part of the sections on the end wall of the hydraulic tank opposite from the immersed pumps and in the bottom there are working reagent discharge nozzles, and the intake manifold with switching device, receiving the working reagent from the pump bearing unit, is mounted between them, two removable hatches are mounted on the top plate of the hydraulic tank, and the control system is equipped with the bypass line, bypassing the heat exchanger.EFFECT: reliability increase.4 cl, 3 dwg
System for automatic controlling ball valve saddle position // 2613010
FIELD: machine engineering.SUBSTANCE: system includes a control unit connected with the pneumohydraulic drive of the ball plug rotation. The emergency doubler is with a hand pump. Two cavities are formed with the appropriate pre-saddle and post-saddle fittings in the ball valve saddle zone formed as a stepped piston. The system further contains a check valve with the piston type erosion, the input of which is connected with an outlet branch pipe of the selective valve and the first branch pipe of the three-way manual valve. The body cavity of the check valve is connected with the pre-saddle fittings of each saddle. The body cavity outlet of the check valve is connected to atmosphere and closed by the shut-off element. The over-piston valve cavity is connected with all post-saddle and the second branch pipe of the three-way manual control crane, the third branch pipe is connected to the cylinder cavities of the pneumohydraulic drive, the latter are connected via the control unit with atmosphere or with the outlet branch pipe of the shuttle valve. The three-way crane establishes two operating positions: the first position - "closed manual control", in which the first branch pipe line is blocked, and the second and the third branch pipes are interconnected, and the second position - "open manual control", in which the third branch pipe line is blocked, and the first and the second branch pipes are interconnected .EFFECT: performance improving.4 dwg

Fluid medium flow control device (versions) and process control system with fluid medium // 2612236
FIELD: control device.SUBSTANCE: disclosed is fluid medium flow control device containing throttle cartridge, diaphragm unit and control element. Throttle cartridge forms supply channel and upper flat surface. Cartridge supply channel is located along volume booster supply path, and upper flat surface is located along volume booster discharge path. Diaphragm unit forms discharge channel passing along discharge path. Control element is arranged with possibility to displace in throttle cartridge and comprises supply gate, discharge gate and rod. Supply gate interacts with cartridge supply channel, and discharge gate interacts with discharge channel. Discharge gate additionally contains lower flat surface, which is coplanar with throttle cartridge upper flat surface.EFFECT: improving control accuracy.20 cl, 6 dwg

ethod and device for two-chamber helmholz spray oscillator for generating pressure waves at the bottom hole // 2610598
FIELD: oil industry.SUBSTANCE: group of inventions refers to oil industry and is intended for removing solid deposits from walls of casing pipes and perforation apertures, decolmatation of the formation bottomhole zone and increasing mobility of the formation fluids. In the method of pressure waves generation at the bottom of the well a Helmholz spray oscillator (HSO) is installed on the lower end of a tubing string (TS), representing an oscillating system excited with a spray of fluid flowing through it and consisting of a spray generator positioned inside the chamber of the volume resonator. Herewith primary pressure oscillations of certain frequency in a spray of liquid are generated with the spray generator and the oscillating system is excited with them. Primary pressure oscillations are amplified in the chamber of the volume resonator, natural frequency of which is tuned with resonance to generation frequency of primary pressure oscillations. Pressure waves at the bottom hole are created. Herewith another chamber with an opening is installed behind the chamber of the volume resonator, thus forming the oscillating system having three natural frequencies not corresponding to natural frequencies of its separate elements. Primary pressure oscillations generation frequency is adjusted at the highest natural frequency of the oscillation system. Herewith the oscillating system on all the other natural frequencies is excited and pressure oscillations are generated on the lowest natural frequency.EFFECT: technical result is higher efficiency of generation of low-frequency oscillations at the bottom hole with a high-speed spray.2 cl, 2 dwg

Double-acting cylinder with double rod // 2610372
FIELD: mechanical engineering.SUBSTANCE: invention relates to mechanical engineering, particularly to double-acting cylinders with double rod with the straight reciprocating motion of the output link, and can be used in horizontal or vertical hydropercussion mechanisms (hydraulic hammers), which are used for dipping of long rod elements, such as piles, reinforcing bars, pipes into the soil. The hydraulic cylinder comprises a cylinder, rod with a false rod, ends of which extend through the cover closing the cylinder ends, the piston rod, at that, the rod is connected with the false rod through a pivot bearing and retaining rings, and the piston rod is connected to the rod by a stop nut and locking half-rings.EFFECT: invention increasing reliability of resource of turbo-generator.2 dwg

Hydrostatic driving device // 2610364
FIELD: engines.SUBSTANCE: device, method and application are intended for generator drive. Device comprises pump with rotary blades for creation of volumetric flow of working medium, driven by working medium volumetric flow constant power engine for generator drive, pump capacity regulator with measuring diaphragm for control over pump with rotary blades volumetric flow, wherein in bypass of constant power engine bypass line is arranged with volumetric flow control valve through bypass line. Besides, in device provided is second bypass lone bypassing constant power engine, having two-way valve, wherein control valve and two-way valve are made integrated into single unit. Method consists in the fact that, generator speed control is performed first by means of rough adjustment using pump capacity regulator, wherein setting volumetric flow to value, which is formed from nominal value and excess, then fine adjustment is performed using control valve in bypass line.EFFECT: technical result is simplification of generator rotation speed control.9 cl, 1 dwg

Accumulating design for gear shift and car incorporating said design // 2610226
FIELD: machine building.SUBSTANCE: invention relates to the accumulating design for the gear shift. The design includes a tank for hydraulic medium, a transfer pump coupled to the tank via the first line, a direction and speed control valve connected with a pump via the second line for the transmission medium, a battery, a piston and a spring element. The battery is connected with the transfer pump via the third line for the transmission medium, wherein the battery comprises a housing making a cavity, a piston mounted in the cavity and able to move in the longitudinal direction of the housing, and a spring element mounted between the closed end of the housing and the piston and able to deform elastically in the longitudinal direction of the housing. The piston is connected with the third line for the transmission medium on the side facing away from the spring element.EFFECT: invention simplifies the accumulating design.6 cl, 3 dwg

Wireless pneumatic controller // 2608603
FIELD: manufacturing technology.SUBSTANCE: invention relates to pneumatic drive controllers, particularly to a wireless pneumatic controller for controlling pneumatic drives. Pneumatic controller comprises a housing connected to drive. Housing has a device for monitoring position with a wireless communication interface. Pneumatic controller also comprises pneumatic control module, connected to housing and operably coupled with drive.EFFECT: simplification of control system.29 cl, 5 dwg

Double action translational movement volumetric displacement cylinder // 2608163
FIELD: machine building.SUBSTANCE: cylinder is intended for working member moving from one position to another. Cylinder consists of housing, including cylinder, front cover, having through holes for working balls inlet-outlet, branch pipe, having hole for piston rod output, in which wall annular grooves are arranged, filled with balls, rear cover having through holes for working balls inlet-outlet, separator, and piston, which is working element and consisting of rod and piston, having annular grooves on its outer surface, filled with balls, and intended for performance of operation by means of piston reciprocation from working balls impact on it.EFFECT: technical result is simplification of cylinder manufacturing.12 cl, 5 dwg

Translational one-way action volumetric displacement cylinder // 2608162
FIELD: machine building.SUBSTANCE: cylinder is intended for working member moving from one position to another. Cylinder contains housing, including cylinder, front cover, having through holes for working balls inlet-outlet, rear cover, having through hole for piston rod output. In cover wall annular grooves are located, filled with balls. Two flanges, piston, which is working element. On its outer surface piston has annular grooves filled with balls.EFFECT: technical result is production cost-cutting.8 cl, 2 dwg

Drying device for rail vehicle // 2607129
FIELD: machine building.SUBSTANCE: group of inventions relate to machine building, in particular, to rail vehicle air drying devices. Air drying device for rail vehicle includes first and second dry air reservoirs, air supply from compressor to air drying device and outlet hole. Air drying device includes regeneration line, through which air can be directed to air supply during dry air reservoirs bypassing. Compressed air supply unit for rail vehicle contains air drying device. Railway vehicle comprises compressed air supply unit and/or air drying device.EFFECT: enabling increasing air drying efficiency.17 cl, 2 dwg

Hydraulic drive of vehicle tilting mechanism // 2605802
FIELD: machine building.SUBSTANCE: invention relates to hydraulic drives of tilting a platform and driving a wheel turn of heavy haulers. Hydraulic drive of a vehicle tilting mechanism comprises hydraulic cylinders for lifting and lowering the platform connected with pumps and an oil tank via an on/off control valve controlled by an electromagnetic hydraulic control valve with an electric control system. Control system comprises a sensor of the platform position with a controlled switch binding the platform lowering electromagnet with the switch of the vehicle electric drive control via diodes and relays. Through normally closed relay contacts the platform lifting electromagnet is introduced. Relay coil is connected to the platform lowering electromagnet. Parallel to the electromagnet an electric capacity is connected. In the electric control system of the electromagnetic hydraulic control valve in series with the normally closed relay contact there is the second button to switch on the platform lifting electromagnet. One of the button contacts is connected to potential output of the electromagnet winding.EFFECT: provided is higher safety of the vehicle movement.1 cl, 2 dwg

Combined closed-loop hydraulic circuit and hydraulic energy accumulation system // 2605514
FIELD: control systems.SUBSTANCE: invention relates to hydraulic control system containing combined closed-loop hydraulic circuit for control of two or more hydraulic drives and a hydraulic energy accumulation system containing one or two accumulators.EFFECT: simplification of control system.24 cl, 4 dwg

ethod of piston in pneumatic cylinder adaptive braking creating // 2605513
FIELD: machine building.SUBSTANCE: method is intended for production processes automation, particularly in automatic manipulators, as well as in other automatic devices with pneumatic cylinder. Method includes pneumatic cylinder piston braking by creation of air exhaust on output throttle adjustable by adaptive law. Exhaust control adaptive law is creating according to scheme with identifier and specified implicit reference model using ”simplified adaptability conditions” and two-phase structure. Control circuit assumes availability of information sensors on piston displacement and air pressure in pneumatic cylinder exhaust cavity and, optionally, microcontroller generation of control signals. Adjustable exhaust throttle can have any operation principle, providing adequate change in resistance to bleed air motion according to control signals.EFFECT: smooth braking with specified parameters of pneumatic cylinder piston at end of its travel.1 cl, 2 dwg

Hydraulic drive output link pneumatic loading system // 2605275
FIELD: machine building.SUBSTANCE: invention relates to machine building, in particular, to static load simulation testbed systems, acting on hydraulic drive output link. Disclosed is hydraulic drive output link pneumatic loading system, consisting of pneumatic cylinder, which piston is connected to rod of tested hydraulic drive. Required pressure in one of loading pneumatic cylinder cavities is created from compressed gas source by means of pressure regulator and throttle. System supports constant pressure difference between pneumatic cylinder cavity and drainage. This enables loading consistency at hydraulic drive output link in static and dynamic.EFFECT: technical result consists in improvement of reliability of drive output link pneumatic loading system operation.1 cl, 1 dwg

Pneumatic vibration exciter // 2604862
FIELD: mechanics.SUBSTANCE: pneumatic vibration exciter relates to mechanical vibrations production devices, driven by compressed air pressure and providing for reciprocating movement, and intended for use as vibration conveyors and feeders drive, as well as for wheel-free vehicles propulsion source, interacting with road surface. Disclosed vibration exciter, comprises piston with rod and central channel in it, placed into hollow housing with possibility of longitudinal displacement, divided by it into piston chamber and rod chamber, in side wall of which there is compressed air supply channel, and in end wall is hole, through which rod is brought out to outside, as well as switching device for piston chamber alternate communication with rod or with external environment. Disclosed vibration exciter feature is, that switching device in it is slide valve, formed by rod chamber end wall hole and rod, in which there are two circumferential rows of through radial holes, communicating its surface with central channel in it and arranged so, with retracted piston first from it row of holes is open into housing rod chamber, and with extended piston second row of holes is open into external environment.EFFECT: technical result is simplification of vibration exciter design and possibility of its operation without impacts.3 cl, 2 dwg

ultimode steering valve with electric control, hydraulic steering system and wheel-type valve // 2604466
FIELD: machine building.SUBSTANCE: disclosed is a multimode steering valve with electric control. Steering valve comprises: a valve for collection and distribution of flows, the first electromagnetic exchange valve and the second electromagnetic exchange valve. Valve body comprises four groups of doubled hydraulic valve ports. First hydraulic ports of the first electromagnetic exchange valve and the second electromagnetic exchange valve are connected with the first group of hydraulic valve ports of the valve body, respectively. Second hydraulic ports of the first electromagnetic exchange valve and the second electromagnetic exchange valve are connected with the second group of hydraulic valve ports of the valve body, respectively. Third hydraulic port of the first electromagnetic exchange valve is connected with the port of collecting the valve flows for collection and distribution of the flows. First port of the valve flow distribution for collection and distribution of the flows and the third hydraulic port of the second electromagnetic exchange valve are connected with the third group of hydraulic valve ports of the valve body, respectively. Second port of the valve flow distribution for collection and distribution of the flows and the third hydraulic port of the second electromagnetic exchange valve are connected with the fourth group of hydraulic valve ports of the valve body, respectively. Additionally disclosed are a hydraulic steering system and a wheel-type valve.EFFECT: steering valve can perform multimode steering of mechanical vehicles, show reliable operation and have low cost.10 cl, 10 dwg

Connecting shaped element with shaping inserts // 2604264
FIELD: hydrodynamics.SUBSTANCE: invention relates to hydrodynamics. Element is intended for pipelines communication. Element comprises a flexure made in the form of a shaping insert, the surface profile of which on the side of the fluid medium completely coincides with the envelope of the vortex formation zone with the flow edge line. Flexures made in the form of shaping inserts can be installed in standard, typical or individually engineered branches, transitions, tees, crosspieces and other connecting shaped elements of pipelines.EFFECT: technical result is reduction of pressure losses.5 cl, 9 dwg

System of electromagnetic valves // 2604118
FIELD: electronics.SUBSTANCE: system has multiple units of solenoid valves made as a manifold, where each unit of electromagnetic valves is controled by control signals, herewith multiple units of solenoid valves are divided into multiple groups, wherein the system additionally includes a control unit for direct control of the electromagnetic valves within the multiple units of electromagnetic valves in each of the multiple groups regardless of the control signals, and if the control signals are fed to inputs of the units of solenoid valves the control unit switches over the units of electromagnetic valves between the serviceable state able to control these units of solenoid valves and the non-serviceable state, when actuation of the units of solenoid valves is impossible.EFFECT: technical result is improved safety.13 cl, 7 dwg

Recuperative generator system for electric loader // 2603811
FIELD: electrical engineering.SUBSTANCE: energy-recovery generation system for electric loader comprises hoisting cylinder (9). Output pipeline of hoisting cylinder (9) is provided with pressure sensor unit (1) and directional valve (2). Directional valve (2) is under control of pressure sensor unit (1). First outlet of directional valve (2) is connected to tank (5) through a way of multi-way valve (4) with an operating handle. Pressure oil, flowing out from a second outlet of directional valve (2), passes through pump (7) having an oil suction port capable of bearing pressure or a motor, and then passes through multi-way valve (4), to finally flow back to tank (5). In engine mode, pump (7) having an oil suction port capable of bearing pressure, drives electric motor (16) to output electric energy. Electric energy output end of electric motor (16) is connected to energy storage device (20) through converter (21).EFFECT: invention ensures energy saving.10 cl, 6 dwg

ethod of supersonic flow braking // 2603705
FIELD: aircraft engineering.SUBSTANCE: invention relates to aerodynamics of supersonic and transonic aircrafts. Method of supersonic flow braking consists in creation of compression shock waves, moving relative to streamlined surface in direction of flow, with speed values smaller than difference of flow speeds and sound speed in front of compression shock waves values. Compression shock waves movement is performed by creation of transverse waves travelling in flow direction in flow at streamlined surface. Transverse travelling waves are created by means of transversal progressive deformations of streamlined surface outline or by periodic, alternating air suction and blow-out from streamlined surface sections with suction and blow-out phases shift between adjacent sections of streamlined surface.EFFECT: invention is aimed at reducing of total pressure losses.3 cl, 4 dwg

Power and engine speed control interface system // 2602704
FIELD: machine building.SUBSTANCE: interface system is intended for controlling working machine. Working machine comprises engine and pump package. System comprises a power mode selector configured to manually select a mode between at least high power mode and low power mode, engine speed selector configured to manually select a throttle state from a number of throttle states corresponding to multiple engine speed arrangements available in the high power mode and with multiple engine speed arrangements available in the low power mode and unit of controllers. Unit of controllers is configured to receive the selected mode of power and selected throttle state and determine the engine power limit for operation of pump package depending on the selected mode of power and selected throttle state.EFFECT: simplified control system of working machine.17 cl, 6 dwg

Hydraulic cylinder // 2602024
FIELD: engines and pumps.SUBSTANCE: invention relates to positive-displacement hydraulic engines designed for conversion of working fluid flow energy into mechanical energy of the output link moving reciprocally. In hydraulic cylinder, which includes housing with lug, consisting of front with replaceable guiding bushing and rear covers equipped with seals and their fasteners on housing, and rod with piston with seals and lug, inner surface of housing lugs and rod made in circumferential direction, has blunt angle α with top lying on hydraulic cylinder longitudinal axis, directed towards its center of gravity, and equal α=180°-2(arctg kAH), where kAH is support elements in lug maximum adhesion factor.EFFECT: higher reliability of hydraulic cylinder.1 cl, 4 dwg