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Steering valve with planetary gear Set of inventions relates to automotive industry. Hydraulic servocontrol system unit for vehicles contains hydraulic servovalve with actuating element, two planetary gears and actuator. The first functional element of one planetary gear is connected without possibility to rotate with input shaft or output shaft. The first functional element of the other planetary gear is connected without possibility to rotate with actuating element. The second functional element connects planetary gears. The actuator is located and made so that it provides possibility of rotation in one direction with simultaneous relative rotation of both planetary gear functional elements relative to each other. Method of steering support of hydraulic servocontrol system for vehicles includes steps in which: - steering support is controlled depending on relative rotation of input shaft in relation to output shat by means of hydraulic servovalve; - rotary movement of input shaft or output shaft is transferred to actuating element by means of two planetary gears; - relative movement of actuating element in relation to input shaft or output shaft is performed by means of actuator to influence on steering support characteristic. |
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Aerodynamic structure for temperature and pressure control in medium flow transfer line Invention relates to transport engineering. The medium control structure contains the main flue for controlled medium flow passage, device for selective feeding the make-up medium into the main flue in two directions and devices for selection of feeding direction located outside the main flue. Medium control method includes phase of selective feeding in two directions one make-up medium into flue for controlled medium flow transfer. One of variables of the mentioned medium thermodynamic condition is changed. The flue contains the mentioned medium control structure. |
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Test bench comprises an oil system consisting of two parts hermetically divided from each other but coupled via an oil-to-oil heat exchanger (21) set in the first part. The first part comprises an oil tank (1) with accessories for filling and draining, pressure, drainage and discharge oil main lines, an oil pump (10) with electric drive, an air cooler for oil (17), a block of remote oil filters (25) with switching equipment and with two sections (29) and (30), an oil flow metre (39), a reduction valve (38), a distributor (46) connected to a load mechanism (51), devices for discharge of oil and oil and air mixture respectively (19) and (63) to the oil tank (1). The first part provides the test bench reducers (52), (53), (54), (55), (56) and the load mechanism (51) with cooled and filtered oil as well as provides for cooling of oil used in the second part of the system. The second part of closed type comprises an oil main line (65) of closed circulation type, a flow metre (66) and two thermocouples set outside on the reducer being tested (64). |
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Hydraulic system depressurisation automatic machine Hydraulic system depressurisation automatic machine is intended for automatic switching off of hydraulic drive systems at operational equipment. The device comprises two casings with chambers where two pistons with rods are installed with clearance. The casings are provided with inlet and outlet holes communicating the chambers with respectively a pressure pipeline, a drain and pressure hydraulic lines of double-cavity and single-cavity hydraulic engines. Additionally the hydraulic system depressurisation automatic machine comprises a drain line sensor with a piston and a rod being also set in its casing, and a blocking unit for the drain line sensor rod comprising a casing in the cavity of which a cylindrical spring-loaded plunger with at least two stages of different diameter is mounted. The cavity of the blocking unit casing is communicated with a feedback line, and the stage of larger diameter of the said plunger mechanically interacts with the first rod of the third movable piston in one of the extreme plunger positions. Each movable piston is equipped with two conical surfaces and at least one cylindrical surface. |
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Power cylinder with trigger mechanism and damped backstroke is intended for protection device built into vehicle to protect pedestrian in case of front collision. Power cylinder contains piston (15) and gas generator (19) containing fast burning pyrotechnic charge, and additionally contains more slowly burning pyrotechnic charge (38) in comparison with pyrotechnic charge of the mentioned gas generator (19). |
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Device contains a solenoid magnet with magnetising coils and a double-armed hinged armature, a gas distribution unit made as a body with inlet and outlet channels and a piston with O-rings, a valve and upstream and downstream chokes located therein. In the body there is a cylindrical bore placed between the O-rings, the bore is communicated with the inlet channel and the upstream choke. |
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Invention can be used in mechanical engineering when designing housings, in the textile industry when making sports apparel, in pipeline construction to reduce liquid or gas friction and in other industries. The streamlined surface 1 has protruding elements in form of teeth 2 which are pyramid-shaped or cone-shaped, and the vertices of all teeth 2 are bent towards one side. |
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Planetary transmission control device Invention relates to planetary transmission control devices. Transmission control device contains compound planetary gear, stepped variable reduction gearbox and oil pump as pressure source. The compound planetary gear contains friction brake controlled by cylinder and friction clutch for locking planetary gear with cylinder. Planetary reduction gear has friction clutch also controlled by cylinder, and friction brakes provided with cylinders. To perform controlled switching on and off of friction brake and friction clutch of compound planetary gear a pressure accumulator, a pressure release valve, oil dumping valve and switching on forcing valve connected with hydraulic control valve group are provided. The compound planetary gear and reduction gearbox are fitted with two pressure accumulators connected by jets with pressure source. The pressure accumulators are able to be connected by solenoid valves with cylinders of friction clutches and brakes. |
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Steering hydraulic booster of worm type Steering hydraulic booster of worm type contains booster cylinder, distributor, bypass valve, safety valve. In the booster structure, worm toothing is used where worm with nut and ball filling is connected by teeth with worm wheel and by screw connection - with shaft-screw having ball filling. Pistons resting on return springs are installed on ends of shaft-screw. |
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Test bench comprises fixed frame and hydraulic cylinder. Besides, it comprises the boom articulated at turn column secured at the frame and supported by hydraulic cylinder to control the boom by handle. Also, it has support roll to simulate the tractor rear axle, outriggers engaged with bearing surface via elastically straining link to simulate soil pliancy. In incorporates counterweight to simulate various tractors with different centres of weight relative to tractor suspension. |
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Jet-type hydraulic power amplifier Proposed amplifier comprises casing, nozzle fitted therein, jet pipe fitted on the shaft and aligned with said nozzle to swing relative to engine axis and board with two reception channels. Jet pipe is fitted at two supports in said casing and aligned with said nozzle, between the latter and board with two reception channels. Output shaft is brought from jet pipe to the casing outer side whereat toothed quadrant with lever is mounted. Note here that said lever rests on both sides on spring-loaded props secured at the casing outer side while the engine is secured at the casing. Split gear is fitted on engine shaft to engage with toothed quadrant. |
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Method to convert electric signal into pneumatic one Method implementation is as follows: an electromagnetic relay with a sealed housing is impacted by an electric signal and by its armature contact acting as a damper it is closing a nozzle in the form of a flowing three-way valve, which contacts the armature acting as the damper by its one tube, by its second tube it is connected to the pressure source and by its third tube it is connected to the output of a pneumatic signal; at that vacuum is created in the sealed relay housing by a separate ejector connected to the relay which is supplied from the pressure source through a preset choke. |
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Pressure pump with dielectric barrier and method of its fabrication Invention relates to pressure pumps. Pressure pump with dielectric barrier for acceleration of fluid flow comprises first dielectric layer with first electrode built therein and second dielectric layer with second built-in electrode. Said first and second dielectric layers are spaced apart to make an air gal there between. Third electrode is arranged at least partially in said air gap relative to fluid flow. High-pressure signal is fed to third electrode from HV source. Said electrodes interact to generate opposed asymmetric plasma fields in said air gap to induce airflow in said gap. Induced airflow accelerates fluid flow in its travel via said air gap. |
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Method of blowdown of gas valve air drive accumulator and fuel injector with ice shutoff valve For cleaning of air accumulator from accumulated foreign matters (engine part wear products, fuel incombustible admixtures, etc.), control system generates the blowdown valve opening signal periodically and at the engine run-up cycle start. Blowdown valve opens to eject air from said accumulator along with impurities. Thereafter control system closes said valve to make it ready for the next operation cycle. Direct blowdown feature consists in air accumulator charging and discharging via air accumulator inlet and ejection in atmosphere is realised via air accumulator outlet. |
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Method of blowdown of gas valve air drive accumulator and fuel injector with ice shutoff valve For cleaning of air accumulator from accumulated foreign matters (engine part wear products, fuel incombustible admixtures, etc.), control system generates the blowdown valve opening signal periodically and at the engine run-up cycle start. Blowdown valve opens to eject air from said accumulator along with impurities. Thereafter control system closes said valve to make it ready for the next operation cycle. |
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Method of blowdown of gas valve air drive accumulator and fuel injector with ice shutoff valve For cleaning air accumulator and air lines of accumulated foreign matters (incombustibles, engine part wear products, etc.), control system periodically opens the blowdown valve when pressure in combustion chamber is lower than that in air accumulator to eject air from said accumulator along with dirt via shutoff valve into combustion chamber. |
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Proposed device is designed to control axial piston hydraulic machine control member. It consists of control roll, hydraulic cylinders, pump adjusting member, mechanical feedback, flat two-slides throttling pressure control valve composed by two rotary slides fitted on one axle between lower distribution bed and upper support plate. Note here that first slide is articulated with control roll lever while second slide is articulated with hydraulic control cylinder via feedback lever. Hydraulic pressure control valve slides have working fluid control, feed and discharge openings and hydrostatic chambers. Control and feedback levers are arranged in symmetry along cylinder block inclination lengthwise axis at neutral position of the pump adjusting member. Lengths of their arms are selected to satisfy the equality of turn angles of the first and second slides at control roll turn. First slide is communicated via differential reducer to high-torque motor. |
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Proposed unit comprises two safety valves, four-way feed valves, three full-flow (feed) valves, two changeover valves, high-pressure main lines and low-pressure main line. Third feed valve is connected parallel with sequence first and second full-flow valves. Inlet of four-way full-flow valve is connected to high-pressure main line. First outlet of four-way feed valve is connected to air cylinder of the first changeover device. Second outlet of four-way feed valve is connected to air cylinder of the second changeover device. Third outlet of four-way full-flow valve is connected to low-pressure main line. Low-pressure line is connected in between first and second feed valves. Inlets of thirst feed valve are connected to chambers under safety valves. |
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Plunger-piston dual-action hydraulic booster Hydraulic booster is designed to feed working fluid at high pressure at processing plants and working tool drives. Proposed booster comprises housing, differential slide valve to control high-pressure pump drive piston, booster plungers secured at piston both ends slide valve control distributors. Note here that booster plungers making the pump parts can force working fluid in rocking assy. Besides, they double as a distributor slide valve for automatic control of differential slide valve. Said plungers feature equal diameter while pressure channels with common outlet to consuming equipment feature common damping chamber. |
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Proposed drive comprises stepped master motor, differential, distributor, booster actuator, stepped motor zero position sensor, telemetry transducer and feedback redactor. As the result, drive weight and overall dimensions are decreased. Note here that equal force is used to extend and to retract differential cylinder rod, that is, results an equivalent bidirectional action. In feedback signal operation, conversion of energy types is not required in feedback internal circuit. |
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Invention relates to a machine building hydraulic drive and may be used in mobile traction and transport vehicles, industrial, road engineering, agricultural, forestry engineering and other machines, equipped with a hydraulic drive of active and passive working elements. The pipeline comprises a power sleeve and tips that press the sleeve, at the same time the sleeve is equipped with a through shell, which forms a cavity, and tips have chambers that communicate with the cavity by circular channels under pressure. |
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Liquid from a discharge manifold (5) is divided into two flows - main and additional ones. The value of flow rate in the main flow is maintained as more or equal to the value of the flow rate of the additional flow. The main flow is swirled with the help of swirling channels (3) in a flow chamber (2) with an outlet nozzle (4). A part of the main flow is released via a nozzle (4), and the other part is sent to an axial channel (8) made in the central body (7). The outlet (10) of the channel (8) is closed with an elastic partition (11). From the discharge manifold (5) via a distribution channel (13) the liquid is sent into an additional manifold (12). The manifold (12) is connected with a nozzle (4) via a gap (6) and with a channel (8) via a partition (11), with the help of which they provide for separation and elastic interaction of flows from the manifold (12) and the channel (8). As a result of which in the additional flow at first pressure growth is delayed, and then additional pulse action is provided due to forces of elasticity, with the help of which the main swirled flow in the chamber (2) is damaged, and short-term, pulse increase of liquid flow via the nozzle (4) is ensured. |
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Method to test hydraulic cylinders for functioning, resource and failure time Method may be used in test equipment. Tests of hydraulic cylinders are carried out under load of a loading hydraulic cylinder with application of deviations that are accidental in value and duration onto nominal values of hydraulic resistance of a hydraulic set in a drain manifold of the loading hydraulic cylinder. The hydraulic set is a proportionate hydraulic throttle, control signals of stepped, pulse, sinusoidal or other shape are supplied from a programmable controller. |
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System for positioning of hydraulic and pneumatic devices System comprises a cylinder with a pressure piston, which enters without turns into a working medium that is tightly closed from environment, and the working medium is a link that transmits force in a system via pipelines, for transmission of pressure to an actuating piston with a contact sensor and temperature sensors of a working medium in the entire channel, and also a device for compensation of positioning of the actuating rod, a flexible stretching safety membrane, stiffly fixed on fixed bodies and all movable parts of mechanisms without possibility of their rotation, and the power drive of the system is the pressure piston, which enters without turns directly into a tight working medium. |
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Self-purifying device and method for control of dense suspension pressure Method includes transfer of polluting viscous liquid mediums, such as dense solid-liquid suspensions of lignocellulose biomass and its components, which are under high pressure, with application of massive of telescopic valves. |
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Diagnostics bench similar to hydraulic systems of machines of communal purpose Device consists of the main and auxiliary hydraulic lines for connection to them of serviceable or new elements to be tested or those similar to them, as well as it includes stationary and portable sensors of diagnostics parameters. Diagnostics parameters, such as flow rate, pressure, temperature gradient, vibration speed, vibration acceleration and vibration displacements are recorded by means of sensors installed at check points of hydraulic lines. |
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Hydraulic control system with compensation of hydrodynamic force Hydraulic control system (28) is disclosed for a machine (10). The hydraulic control system may include a pump (38), a hydraulic distributor (58) for control of pump efficiency, and also a control hydraulic distributor (68) of a working element made as capable of producing liquid under pressure from the pump and selective direction of the liquid under pressure to a hydraulic motor. The system comprises a controller (34) connected to the hydraulic distributor of efficiency control. The controller may be made as capable of determining pressure drop in the control hydraulic distributor of the working element, substantially differing from the rated pressure drop, determination of the desired position of the hydraulic distributor of efficiency control on the basis of pressure drop, and also determination of hydrodynamic force acting at the hydraulic distributor of efficiency control, on the basis of the desired position. The controller may additionally be made with the possibility of generation of a response signal by determination of the load sent to the hydraulic distributor of efficiency control on the basis of the desired position and hydrodynamic force. |
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System comprises a hydraulic amplifier, by means of which summary forces are generated, acting at a load, at least one working chamber operating in accordance with a displacement principle and located in the specified hydraulic amplifier, one circuit of make-up of high pressure and one circuit of make-up of low pressure, a control circuit, by means of which one of the working chambers may be connected in turns to one of the above circuits of make-up of high and low pressure, at the same time the control circuit comprises for each pre-determined chamber the controlled interfaces of control, by means of which connection to the circuit of make-up of high pressure or low pressure may be opened or closed, besides, each working chamber may generate power components, which correspond to pressures of make-up circuits connected to the specified working chamber, and each power component creates at least one of the above summary forces, separately or jointly with the power components, generated by other working chambers of the specified hydraulic amplifier. |
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Electromechanical pressure intensifier Intensifier comprises housing 1 secured at mounting plate 2, set of power chambers 3 attached at edges of said chamber and composed by cylinders 4 and pistons 5 with rollers 6 arranged to turn at opposite ends of said pistons to create high pressure, intake and discharge valves 7 and 8, cam in the form of eccentric bearing 9 arranged in one plane with power chambers 3 for rollers 6 to rest on said eccentric bearing. Motor 10 with reduction gear 11 is attached to mounting plate 2 perpendicular to the plane of power chambers 3. Shaft 14 with shifted rotational axis and eccentric bearing 9 inserted therein is keyed to reduction gear shaft 12. All intake valves 7 are interconnected by pipeline 15 and have pipeline 16 to feed supply pressure into power chambers 3. All discharge valves 8 are interconnected via pipeline 17 and have pipeline 18 to discharge high-pressure compressed gas. Housing 1 is equipped with detachable cover 19. |
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Channel of opposite flows of multiflow hydraulic actuator Invention refers to machine-building hydraulics, and namely to hydraulic actuators of mobile machines and hydraulic plants of cyclic action with several actuating mechanisms. The invention proposes a channel of multiflow hydraulic actuator, which is intended for supply of a working liquid flow to pressure cavities and consists of several in-series connected double flow cavities having the possibility of disconnecting their inlets and outlets. Besides, on the flow inlet side, each double flow cavity is connected to the corresponding pressure cavity. Besides, in ties between pressure and overflow cavities there additionally installed are check valves directed with their outlets to pressure cavities. And outlets of double flow cavities are connected through inlets of check valves to the corresponding pressure cavities. Besides, the outlet of the last double flow cavity serves as an inlet for the other flow. |
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Metal sheets and plates with friction-decreasing texturised surface and method of their production Carrier comprises metallic article with rib-relief surface including multiple adjacent continuously-rolled lengthwise ribs extending along said surface. Said ribs are regularly spaced apart. First organic primer layer is applied on rib relief. Second finish layer is applied on the latter. Said first primer layer and said finish layer ensure an invariable thickness of coating. Proposed method comprises the steps that follow. Metal sheet or plate is produced and passed through rolling mill including roller with outer surface whereat engraved is said rib relied and roller with flat outer surface. Rib profile surface is anodised for aluminium oxide film coat to be applied thereon. Organic primer coat is applied on aluminium oxide film. Finish layer is applied over organic primer layer to produce metallic article. |
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Digital hydraulic control valve Digital hydraulic control valve comprises body, slide valve, side covers, rotary electric driver arranged perpendicular to slide valve axis and engaged therewith via cam, slide valve control device and mechanism to return slide valve to neutral position at switched-off driver. Said electric driver is composed by digital stepped motor. Said mechanism to return slide valve to neutral position comprises precompressed centering spring fitted in threaded sleeve of rear side cover and retained by lock ring between two washers. Pull screw screwed in slide valve threaded hole extends through central opening of said washers and is locked by friction ring fitted in screw groove to interact with slide valve threaded hole lead section. |
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Hydroelectric servo drive with three-stage hydroelectric booster Proposed drive can be used in aircraft hydraulic systems and heavy-duty systems incorporating fast-acting high-power hydroelectric boosters (working fluid flow rate of 300 l/min, working pressure of up to 35 MPa). First amplification stage hydraulic booster is composed of "jet tube-receiver board" component with large flow sections and comprises hydraulic cylinder incorporating actuating piston with electric position feedback. |
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Sectional hydraulic control valve with electrohydraulic load divider Hydraulic control valve can be used in hydraulic control linkages of road construction and public works machines, as well as control linkages of boats and self-propelled barges. It is equipped with an electrohydraulic load divider, the spool of which has two cutoff edges that simultaneously open or close two bypass holes of a drain channel at constantly open bypass hole of a supply channel. |
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Hydroelectric drive comprises feed unit 1 with axial piston pump 2, hydraulic delivery and rain lines 3, 4 connected in parallel therewith and steering drives 5, 6, 7, 8, 9, 10, 11, 12 of discrete angular displacement. Every said steering drive 5, 6, 7, 8, 9, 10, 11, 12 includes hydroelectric booster and rotary hydraulic actuator. Said drive is furnished with starting booster connected to suction side of unit 1 and drain line 4 of drives 5-12 and composed of the vessel with air and fluid chambers 13, 14, 15 separated by stepped piston with two steps 16, 17 connected by rod 25. Said piston has larger diameter step 16 facing closed air chamber 13 communicated via safety valve 24 with drain line 4 and smaller diameter step 17 facing the fluid chamber 15 connected to hydraulic line 35. Note that air chamber 14 between steps 16, 17 is communicated with ambient space. Feed unit 1 is equipped with compensating pressurisation device composed of bellows 18 secured at pump housing 2 to make chamber 20 communicated with housing 19. Bellows 18 I secured to housing 19 and hollow piston 21 displacing over the surface of housing 19. Pressure limitation valve 24 allows discharging of working fluid into chamber 13. Rings 22, 23 of piston 21 have inner circular seals 27, 28 that displace over stepped surface of housing 19. |
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Method provides for installation at preparation for start-up of a positive-displacement hydraulic drive under load of minimum hydraulic resistance of a proportional hydraulic unit with its further increase as per a sequence from a controller after completion of an idle stroke till the specified speed and frequency of supply voltage of a pump electric motor is achieved, at which supply of a non-adjustable pump provides the speed that is higher than the speed specified at fully closed proportional hydraulic unit with further automatic correction from the controller depending on external loads; then, start-up of the hydraulic drive at idle stroke and further conversion from idle stroke to the operating mode is performed. |
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Ledge to vary shock wave structure Invention relates to aircraft engineering.. Proposed ledge compromises expanding nose and contracting tail. Tail has contour line in plan with two concave opposite sides. Aerodynamic structure comprises a system of ledges changing the compression shock structure extending from structure surface. Method of aerodynamic structure operation comprises the steps whereat said structure is operated at first mode wherein flow nearby said ledge is, in fact, completely connected and at second mode whereat shock wave is created by aerodynamic structure surface. Said ledge varies shock wave structure so that flow is separated nearby the ledge to form two lengthwise vortex flows. |
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Method to create high and ultrahigh pressures and device for its realisation Invention relates to the field of development of high and ultrahigh static pressures in high volumes and may be used to test various units and assemblies of promising aviation hydraulic systems of high pressure, and also to investigate properties of new structural materials and creation of stable crystalline structures. The method to develop high and ultrahigh pressures includes filling of a compression chamber with water and its cooling below the temperature of phase transition, at the same time cooling of the compression chamber is carried out in sections, starting with the extreme one, besides, cooling of each subsequent section is carried out after freezing of he previous one. The device for creation of high and ultrahigh pressures comprises a body, a working chamber and channels for circulation of a coolant. The body is made in the form of two or more coaxial cylinders inserted one into another with gaps filled by water and closed with plugs at ends. At the same time the channels for circulation of coolant are made as circular and installed on the body as capable of thermal contact. |
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Structure with asymmetric ledge for compression shock structure changing In compliance with first version, proposed structure comprises ledge for compression shock structure changing extending from said aerodynamic structure. Said ledge represents an asymmetric element relative to mirror plane. Note here that said plane of asymmetry crosses the ledge center and is located parallel with airflow main direction and at right angle to structure surface. In compliance with second version, said structure has the ledge without mirror plane. Proposed method exploits the structure of said first and second versions. |
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Automatic microprocessor system to adjust traction transport facility pneumatic system Proposed system comprises compressor, air consumption transducer, suction air temperature gage and suction air pressure gage. Compressor is connected with heat engine shaft via planetary gearbox. The latter comprises clutches. The latter are engaged with three control members. Said compressor is connected with control device. Pneumatic system air pressure gage is connected with first comparator. Suction air pressure gage is connected with the fourth comparator. Air consumption transducer and suction air temperature gage are connected with second and third comparators via first and second correctors of their static characteristics. First, second, third and fourth comparators are connected with first, second, third and fourth masters and with adder. The latter is connected with compressor drive control device. |
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Flow regulator comprises a body, in bores of which there are the following components installed and joined in accordance with the diagram by hydraulic lines: a controlled throttle, an overflow valve, a safety valve, with places of connection of supply channels, drain channels and an operating channel. In the hydraulic line of control there is a throttle with a slot filter, the filtering function in which is performed by the bore of the filter body and the inner surface of the external bushing. |
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Jet device for measurement of ratio of absolute pressures Jet device for measurement of a ratio of absolute pressures relates to automatic control equipment and in particular to jet pneumatic automatic equipment and may be used in systems of control of air relief valves and guide vanes of a compressor of a gas turbine engine. It comprises a sensitive element with a supply channel, a receiving channel and a nozzle division chamber, connected to a channel of comparison element control with an inclined supply channel. The angle of inclination of the axis of the supply channel relatively to the longitudinal axis of the comparison element towards the side of the control channel connected with the low pressure source is less than the angle of inclination of outlet channels of the device. |
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Method to test item for tightness First the tested item is filled with working medium (liquid or gas), using a flow controller in the cavity of the tested item, sign-alternating pressure is created by means of vacuum pulling and excessive pressure pulling in accordance with the alternating cycle, the working medium is heated up to a certain temperature. The speed of heating depends on its density or viscosity, and the value of working medium pressure drop is provided by a mechanism of pressure pulsation, at the same time, to accelerate the testing process, air is supplied from outside to the tested item with specified concentration of ozone, and monitoring of working medium leak along the perimeter of the sealing zone, is carried out with the help of a group of sensors installed on the tested item. |
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Hydraulic control valve includes a pressure section with a main pressure line, a safety valve and a main drain line, working sections with a spool and a drain section. In working sections there installed are pressure compensators that maintain constant pressure drop on edges of spools. Pressure compensator is located perpendicular in relation to the spool. |
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Jet device includes a set of jet elements in a pack with functional channels, including supply, drain, control and receiving channels; with that, jet elements are located inside one solid (as a single whole) housing with a set of communication and functional channels. The device is made based on a jet generator by means of stereolithography. |
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Steering machine power supply unit Proposed technical solution allows performing vacuum filling of a hydraulic system of combustion chambers rotation with quality control of filling as per compressibility with working liquid and providing power supply to steering machines at checks of operability and sealing with working liquid with pressure, temperature, flow rate and cleanliness, which are necessary for operation of the combustion chambers rotation system of a propulsion device of the unit of stage III, which is a part of a carrier rocket so that they can be controlled. |
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Aerodynamic structure with irregular ledges to deflect shock wave Aerodynamic structure comprises a set of ledges to deflect shock wave extending from its structure. Said ledges are distributed over proposed structure at irregular spacing between center and/or edges of adjacent ledges. Method of operation consists in application of above described structure. |
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Linear drive is made in the form of a cylinder, inside of which there is a piston with a stem, combined with a unit of generators-sorbers, combined with a thermoelectric module, power supply cables of which are tightly put outside the cylinder via the stem. |
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Structure with ordered ledges for compression shock structure changing Aerodynamic structure comprises a system of ledges changing the compression shock structure extending from structure surface. Said system comprises first set of ledges for compression shock structure changing and ledges for compression shock structure changing arranged behind said first set. Ledges for compression shock structure changing arranged behind said first set is arranged so that they are located not directly behind whatever ledges for compression shock structure changing of the first set. Proposed method incorporates using the system of aerodynamic structure ledges. |
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Fluid-jet element includes fastening assemblies in a flat plane, a flow cavity with feed, drain, control and receiving passages in the element plane; with that, fastening assemblies and the plane, on which the flow cavity with feed, drain, control and receiving passages is arranged, are separated from the element plane with a barrier. |
Another patent 2513120.