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Gas turbine engine and disassembly of its front part Proposed engine comprises central assembly support, gearing assembly and flexible support. Central assembly support makes an inner circular wall for axial stage and comprises first spline joint elements. Gearing assembly engages shaft and fan running about axis. Flexible support coupled said gearing assembly with central assembly support and comprises second spline joint elements to be engaged with aforesaid first spline joint elements to transmit torque there between. In disassembly of engine front section, access is allowed to forward-facing fasteners that secure central assembly support to flexible support, gearing housing to remove said fasteners. Then, first and second spline joint elements made at central assembly support and flexible support are disengaged. |
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Gas turbine installation control method and device Engine governor generates a control signal for a fuel distributor according to the difference between the specified power value which is determined by a power controller as per the operator controller status code, and the actual power value measured on the load; depending on the value and sign of the comparison result the supply of fuel to the gas turbine engine is either decreased or increased, and a turbogenerator regulator generates a control signal for the turbogenerator by the comparison of frequency definition formed by a functional converter depending on the specified power value to the signal from a RPM sensor which controls the turbogenerator excitation winding and changes its output voltage. A device for the implementation of the above method is described as well. |
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Eight-cylinder plunger-free engine Proposed engine comprises housing, four pairs of opposed cylinders and two sets of pistons. In compliance with this invention, every piston set is composed of an integral unit with two ends and cylindrical hollow bodies with rack fitted at mid section. Engine housing is composed to form the clearance between it and set of pistons. Piston sets are engaged via timing mechanism equipped with main shaft extending through said housing both ways. Overrunning couplings are arranged outside the housing and engaged with the main shaft. Output shafts of said couplings are engaged with generators. Timing gear is composed of a gear rigidly engaged with said main shaft and racks at piston sets. Engine comprises piston position transducer arranged in every cylinder electrically connected with control unit. |
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Shafts uncoupling assembly for gas turbine engine low-pressure rotor Countershaft is arranged between low-pressure compressor rotor shaft and low-pressure turbine shaft and splined therewith tangentially while axially it is coupled by coupling bolt and pipe, respectively. Note here that coupling pipe is locked tangentially by coupling pipe splines. Said pipe locks tangentially said coupling bolt by splines and is splined with low-pressure compressor rotor. Note here that spring is arranged between coupling bolt and lock pipe and aligned with the latter. Besides, cavity is made at stator section confined by sleeve and axially displacing piston. Said cavity communicated with hydraulic system delivery side via channel with bypass line. Note also that said piston is locked tangentially relative to sleeves by splines. Note that spring is arranged between said sleeve and piston and aligned with the latter. Besides, near tend surface of lock pipe and piston are tapered to make the gap there between. Bypass valve is connected with digital control system computer. |
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Ring case for turbomachine nozzle, turbomachine nozzle and turbomachine with such ring case Proposed ring case comprises multiple raised elements extending from the case rear edge and spaced apart in circle. Every raised element features, in fact, a triangular shape with base composed by the case rear edge part and vertex located at maximum distance from said base and connected therewith by two lateral edges. Every raised element has rib at every lateral edge. Every rib is inclined radially relative to raised element in the plane inclined relative to radial direction through angle smaller than or equal to 45 degrees. Anther invention of the set relates to turbomachine nozzle with the main and auxiliary cases arranged concentrically, one of them being implemented as described above. One more invention of the set relates to turbomachine with such nozzle. |
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Method and system for gas leaks control in turbine, and gas turbine Invention relates to gas turbines. Note here that several seals can be used arranged serially. Note also that every said seal can decrease backflow pressure at turbine element inlet. Besides, one or several channels can be made to direct, at least a portion of said gas backflow from several points without the boundaries of said several seals to appropriate points within the boundaries of turbine gas stage. |
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Device and method of controlling transport facility power generation Proposed device is designed to control power generator driven by ICE. It comprises controller designed to define the amount of braking and to set power generator lower output when carrier acceleration is forecast in compliance with braking. Invention covers also the power generation control. |
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Air intake system of gas-turbine plant located under cover Air intake system of a gas-turbine plant located under cover includes an air cleaning device installed outside the cover and including filter elements and precipitation retaining shields and a confuser connected through an air duct to the gas-turbine plant. Filter elements of the air cleaning device are located in a frame in an opening of the cover wall. The confuser is tightly attached to the inner surface of the cover wall. Precipitation retaining shields of the air cleaning device are attached to the outer surface of the cover wall. |
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Levelling of temperature field in gas turbines Invention can be used in power engineering, particularly in gas transfer plants, self-contained electric power stations and other power plants including gas turbine drive running on natural gas. In compliance with this method fuel is fed to separate burners at critical flow parameters in channels with identical flow sections. Lengthwise profiles of all channels comply with that of any randomised channel, being preferably the first one made at precision defined by fabrication error. Note here that walls of said channels feature equal surface roughness. Note here also that equality of flow rates of fuel fed into inlet of every channel is ensured by adjusting element arranged at channel inlet and composed by, preferably, a chamfer of geometrical sizes that can be varied at tuning of said channel to preset flow rate. |
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Liquid-propellant rocket engine mixing head Invention relates to rocketry and can be used in units of industrial power generators. Liquid-propellant rocket engine mixing head comprises body, oxidiser feed unit, propellant feed unit and nozzles. Said nozzles are arranged inside mixing head in concentric circles and consist of several coaxial sleeves. Said sleeves make ring chambers for gaseous propellant and liquid oxidiser feed. Circular ledge is made at every inner sleeve wit grooves perpendicular to nozzle axis for feed of propellant into appropriate ring chamber and parallel grooves for feed of oxidiser into appropriate chamber. Ring chambers of fuel feed components on combustion chamber side are closed by spacer rings. Fuel feed holes are made in said spacer rings. Note here that all sleeves on side opposite the combustion zone are arranged right against each other. |
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Thrust reverser comprises moving cowl connected with adjustable nozzle section making its extension and including revolving panel. Moving cowl can displace in direction parallel with nacelle axis and change from closed position whereat it ensures aerodynamic integrity of nacelle to open position whereat it opens the deflected flow channel in said nacelle. Nozzle section panel is arranged to turn to position whereat nozzle compartment cross-section is varied and to position whereat said panel shuts off the cold flow circuit. Moving cowl and panel are connected with their translation and rotation drives, respectively. Said drives are connected with panel front end via drive bar that can displace around attachment points at nozzle compartment panel and drives connected thereto. Another invention of this set relates to bypass turbojet nacelle with rear section equipped with said thrust reverser. |
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Assembly of elements connected by device protecting surface of one of said elements Proposed assembly comprises first and second elements and connector arranged there between to protect the surface of second element. Said connector comprises structure-forming skin secured to first element and porous material applied on said structure-forming skin and coupled with said second element. This assembly can be arranged in nacelle air intake of turbojet equipped with pneumatic deicer. |
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Engine comprises two extreme cylinders 1 and 4, two mid identical cylinders 2 and 3 that house pistons 5 engaged with crankshaft 7, intake and exhaust valves 10 and 11, respectively, cylinder air inlet and hot gas outlet channels. Engine comprises spool operated airflow control valve 12 and spool operated hot gas control valve 13. At first position of control valve 12 air is forced to all cylinders at increase in their volume at open intake valve while at second position air is forced to cylinders 1, 4. At first position control valve 13 hot gases is released from all cylinders while at second position hot gas is bypassed from cylinders 1, 4 at decreased in their volume at open discharge valve to cylinder 2, 3 at increase in their volume. |
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Method of fuel feed control and device to this end Proposed device comprises high-pressure fuel pump and high-pressure hydraulic accumulator communicated therewith, high pressure control valve for said hydraulic accumulator, needle directly connected with first piezo drive and electronic control unit. Every nozzle of this device is equipped with two high-pressure control valves with piezo drives with smooth or stepped voltage variation. It incorporates low-pressure hydraulic accumulator. First high-pressure control valve with second piezo drive is arranged between high-pressure hydraulic accumulator and at high-pressure chamber inlet with limited volume under nozzle needle. Second high-pressure control valve with third piezo drive is arranged between high-pressure chamber outlet with limited volume under nozzle needle and drain or low-pressure hydraulic accumulator. Low-pressure hydraulic accumulator outlet is connected via pressure control valve or check valve with high-pressure fuel pump inlet. |
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Electric energy generating device using waste-gas heat Claim describes electric energy generating device (1) using waste gas (2) heat formed during operation of a combustion engine (3), the device includes a generator (4) with inlet (5) and outlet (6) for waste gas and a heat exchange section (7) between them with a variety of flowing channels (8) for waste gas (2), which are surrounded at least partially by thermoelectric cells (9) connected by a heat-conducting connection to the cooler (11) by their side (10) faced away from the flowing channels (8). |
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Heat ice, adjustment procedure, method for definition of engine dimension and vehicle with engine Invention can be used in internal combustion engines. Thermal ICE comprises at least one combustion chamber for inlet gases including the mix of combustible, e.g. gasoline, and oxidiser, e.g. air, communicated with gas intake circuit (A) and exhaust gas discharge circuit (B), exhaust gas circulation circuit (C, D) communicating exhaust circuit with intake circuit, and exhaust gas circulation adjustment system. The latter can circulate exhaust gas for at least one working point defined by engine mode and torque developed by the engine whereat output torque is 50% larger than the engine maximum torque. Since engine operation is related with such parameters as compression ratio and exhaust gas circulation factor, adjustment system is configured to make circulation factor at said working point expressed in terms of mass fractions equal to thrice as high the engine compression ratio decreased by 13, tolerance making 2. Invention covers versions of thermal engine design, engine exhaust gas circulation control system, method for definition of engine exhaust gas circulation circuit dimension, method for definition of engine exhaust gas circulation law and vehicle with said thermal engine. |
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Adjusting disc to set residual air gap Invention relates to propulsion engineering, particularly, to ICE fuel injectors. Adjusting disc designed to set residual air gap in assemblies of solenoid valve, first of all, fuel injection control solenoid valves, between solenoid assembly armature end and solenoid valve actuator armature has, mainly, closed outer circular diameter and solid parts arranged between the hole first and second diameters and made of solid material. Said solid parts have webs to connected them to radially inner ring fastening the adjusting disc and interrupted by at least one cut-out. |
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Proposed engine comprises liquid or solid propellant fuel wherein oxidiser and/or combustible includes fixed nitrogen as well as fine or fixed boron. Note here that boron atoms-to-nitrogen atoms ratio makes 1:1 with departure of ±20%. Rocket fuel has fuel excess relative to oxidiser. |
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Invention can be used in internal combustion engines. Cylinder head comprises body (1) with fire bottom with valve and injector bores, webs (5) with holes (6) for their cooling between valves bores, cooling chamber (7) and openings (8) for coolant feed. Inserts (9) of lower-heat-conductivity factor material are fitted in coolant feed holes (8). Inserts (10) of lower-heat-conductivity factor material are fitted in holes (6) of webs (5) over the fire bottom periphery length. |
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Gas turbine engine running on lean fuel mix Proposed engine comprises compressor, catalytic combustion chamber, turbine, regenerative heat exchanger, burner and valve. Compressor serves to compress working gas, said gas being of combustible component concentration smaller than that of its inflammability. Catalytic combustion chamber is designed to combust compressed air by catalytic reaction with the help of catalyst arranged therein to produce gaseous combustion products. Said products fed from catalytic combustion chamber drive the turbine. Regenerative heat exchanger serves to heat compressed air fed from compressor into said combustion chamber via used gas fed into turbine via used gas channel into regenerative heat exchanger. Burned serves to combust the gas forced from compressor along with fuel for forming the heating gas and feeding heating gas into used gas channel. Valve is designed to control the amount of gas to be fed to the burner. |
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Aircraft start accelerator is composed by cylinder with cork filled with water and compressed air. |
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Invention is intended for simultaneous generation of heat and electric power. A cogeneration plant comprises a gas reciprocating internal combustion engine (ICE), a heat recovery system, a digester-reactor, a vortex heat generator, a device for electric power generation using low-potential heat carriers and emergency-auxiliary heat power installation with diesel ICE. The pump of the gas reciprocating ICE cooling system is connected to the heat exchanger-heat recovery unit of the gas reciprocating ICE. The circulation pump of the heat recovery system is connected to the heat exchangers of this system and the heat exchanger-heat recovery unit of the vortex heat generator. Waste gases of the gas reciprocating ICE are led to the heat exchanger-heat recovery unit for their heat, afterwards they are led to the device for electric power generation using low-potential heat carriers. The waste gases are partially led to the digester-reactor as well. The biogas which is produced in the digester-reactor is led to the natural gas pipeline via a back pressure valve. The emergency-auxiliary heat power installation with diesel ICE is connected to the gas reciprocating ICE cooling system via a back pressure valve. An air cooler for the recovery of heat of the gas reciprocating ICE is connected to the gas reciprocating ICE cooling system via a three-way cock. The air duct of the air cooler is connected to the device for electric power generation using low-potential heat carriers. |
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Method of mutual conversion of mechanical energy and potential energy of compressed gas Method of mutual conversion of mechanical energy and potential energy of compressed gas consists in cyclic change of gas volume in above-piston and/or below-piston cavity at reciprocating motion of a piston inside a cylinder. Gas in the said cavity is periodically renewed through gas supply and withdrawal channels. The cylinder and/or the piston are rotated around the axis parallel to the direction of the piston's reciprocating motion. The piston is installed in the cylinder with a minimum radial gap. The cylinder is partially filled by fluid. The action of centrifugal forces provides for the formation of free surface of the fluid. Difference of static fluid pressures in the above-piston and below-piston cavities, provided by the difference of radiuses of the fluid free surface, compensates the gas pressure difference in these cavities. |
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Invention relates to production of motors, particularly, to piston ICEs. Proposed engine comprises identical main cylinders 1, 4 and extra cylinders 2, 3 with cylinders reciprocating therein and engaged with crankshaft. Engine incorporates two-way spool operated air and hot gas control valves 19, 20 including mechanically engaged rotary valves 21, 22. Said rotary valves have grooves to bypass air at their first position from cylinders 2, 3 at increase in their volume into cylinders 1, 4 at increase in their volume at open intake valve and to bypass hot gas at their second position from cylinders 1, 4 at decreased in their volume to cylinders 2, 3 at increases in their volume. Rotary valve 21 is arranged between air passages while rotary valve 22 is arranged between hot gas passages. |
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Control system can be used for control over gas engine incorporated with motor generator and co-generators for application of gas or mix of gases of various calorific capacity. Proposed system comprises electronic control unit and thermocouple connected therewith and arranged in exhaust manifold, crankshaft rpm, detonation and air flow rate transducers, camshaft angular position transducers and gas pressure and temperature transducers. Additionally, this system comprises bypass solenoid valve arranged at two-stage low-pressure reducer first stage connected on one side via said bypass solenoid valve with said first stage and, on the other side, via three-way control valve with gas main line. Relative calorific capacity of gas is defined by off-gas temperature and working gas pressure corrected to use the increased gas pressure from first stage for operation of gas engine at increased gas feed. |
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Setting of detonation combustion in combustion chamber of hypersonic ramjet Proposed process comprises air compression in system of external and internal shock waves originating at fuselage and engine fixed and controlled elements, fuel feed beyond external system of shock waves upstream of combustion chamber and generation of detonation wave at its inlet. Detonation combustion of fuel-air mix is performed in combustion chamber at control over detonation wave therein subject to flow. Mach number at combustion chamber inlet by measurement of its geometrical parameters and chemical composition of fed fuel-air mix. Combustion products are expanded in the nozzle. Fuel-air mix is created on the basis of nano-dispersed fuel including carbon nanotubes with hydrogen encapsulated therein and forced via needle injectors upstream of combustion chamber opposite oncoming flow. Pulsating electric field of intensity over 20 V/cm is generated in combustion zone. |
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Proposed engine comprises four cylinders and is operated in alternate mode. In first mode, air is compressed in turns in every cylinder to force fuel therein for it to be ignited to form a hot gas to be released outward after its expansion. In second mode, air and fuel feed into mid cylinders is terminated. Note here that mid cylinder intake and discharge valve open/close frequency is increased two times to bypass hot gas from extreme cylinders at hot gas volume increase and to release expanded hot gas from mid cylinders at decrease in their volume. |
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Liquid-propellant engine with generator gas staged combustion cycle Invention relates to liquid-propellant engines, particularly, to multichamber rocket engines. Proposed engine has at least two chambers incorporating regenerative cooling circuit and mixing heads, turbopump system to feed gas generators and engine chambers. Besides, it incorporates control system with starting-shutoff valves, thrust regulator and fuel components ratio throttle. In compliance with this invention, engine feed turbopump system comprises two turbopump units supplied by two self-contained oxidative gas producers. Note here that first and second turbopump units feature identical power and comprises aligned fuel pump, oxidiser pump and gas turbine fitted on one shaft. Note also that second turbopump unit pump represents a two-stage design. Besides, outlets of first turbopump unit fuel and oxidiser pumps are communicated via pipelines with inputs of second turbopump unit fuel and oxidiser pumps. Second turbopump unit oxidiser pump communicates with mixing heads of said gas producers via pipelines incorporating starting-shutoff valves. Outlet of second turbopump unit oxidiser pump first stage is connected with mixing heads of engine chambers via fuel components ratio throttle, starting-shutoff valves, pipelines and chamber regenerative cooling circuits. Note also that second turbopump unit fuel pump second stage is connected with gas producer mixing heads via pipeline and thrust regulator. |
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Free-piston power module with external combustion chamber comprises the set of identical free piston power module with external combustion chambers. The number of said chamber corresponds to that of generated electric power phases. It comprises control system for control over generated power phases. In compliance with this invention, to get the required number of generated power phases, said control system initiates every power module consecutively with delay in phase corresponding to preset number of generated power phases. |
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Invention set relates to automotive industry. Three-dimensional structured metal sheet for use in automotive heatshields has multiple recesses and bosses. All the bosses extend in the same direction normal to surface of smooth sheet material which surface determines neutral plane n. Bosses extend for the same distance h from this neutral plane. Multiple bosses together form regular grid. Each boss intersects with two other bosses to form connection. The heatshield for vehicle contains layer of the mentioned three-dimensional structured metal sheet with multiple recesses and bosses. |
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Heat shield attachment to engine frame (versions) Proposed attachment comprises rib with yoke and four extra threaded bosses with threaded ears, arc with four extra threaded bosses with threaded ears and lugs, braces, bosses, fasteners, lock nuts and clamp. Thrust plate with bolt is secured at said yoke. Threaded bush for mounting extra braces is fitted at lug threaded section and cotter-pinned thereat. |
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Carbon-carbon composite material Invention relates to composite materials, particularly carbon-carbon composite material, and can be used in making liquid-propellant engines. The carbon-carbon composite material with a protective silicon carbide coating has a sealing layer. The protective coating is coated with a sealing layer of nickel, niobium or molybdenum metal. |
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Proposed engine comprises working cylinders with intake openings, bypass valves, air compression chamber with discharge openings, pistons with con-rods of working cylinders, piston with con-rods and levers of compressor, crankshaft with compressor drive driving gear, compressor crankshaft with driven gear, cylinder head with compressor intake valves, discharge valves, fuel nozzles and combustion chambers. In compliance with this invention, air is fed from compressor compression chamber into working cylinder via compressor discharge opening, bypass valve and working cylinder intake opening at exhaust stroke at purge of working cylinder and at intake and compression strokes at filling of working cylinder. With compressor piston at TDC, working cylinder piston cuts off the intake opening to close the bypass valve. |
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Gas turbine plant comprises air compressor, gas turbine and electric generator fitted on common shaft, heat exchanger with heating and heated circuits, combustion chamber, fuel source and pipeline valves. Additionally, this plant comprises air turbine and power consumer, second heat exchanger with heating and heated circuits, hot air consumer and combustion product consumer. |
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Transport vehicle power supply system Invention is related to start systems for automobiles, railroad transport, and electric transport. A system contains an accumulator battery and an energy storage unit, a system monitoring and control module (SMCM), a voltage conversion module (VCM), a power switching module (PSM) for switching of direct-current power circuits. The system contains a charger intended for additional recharge of the accumulator battery and the energy storage unit made as an electrochemical capacitor (ECC). At that VCM is coupled by power circuits to power supply buses of the onboard network, PSM and SMCM; PSM is coupled by power circuits to the charger, MM and ECC and the charger in its turn is coupled to power circuits of MA and ECC. The system monitoring and control module can supply control signals to VCM, PSM and the charger and to receive signals from voltage sensors of the accumulator battery, the ECC voltage sensor and the charger current sensor as well as to control voltage/current of the power supply bus of the onboard network and to ensure exchange of information with the vehicle onboard data bus. |
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Limited supercharge pressure compressor system Invention relates to automotive industry and can be used in automotive engine driven compressor system. Compressor system (10) of vehicle (12) comprises compressor (16) driven by vehicle (12) engine (14). Said system comprises intake air guide (18) to force air pre-compressed by drive engine (14) turbosupercharger (20) to compressor (16). Said intake air guide (18) incorporates means (22) to flow section to construct supercharge pressure of pre-compressed air fed to compressor (16). Supercharge pressure maximum magnitude is set at idling subject to at least one of the following terms, i.e. compressor (16) oil outburst or compressor (16) power loss. Besides, invention covers the method of compressor system operation. |
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Method of fuel feed control and device to this end Proposed device comprises atomiser with spring loaded shutoff element, sprinkler with one level of orifices, high-pressure fuel feed channel, high-pressure fuel pump, fuel tank and priming pump, high-pressure hydraulic accumulator, all being hydraulically communicated. Also, it has low-pressure accumulator, mechanical control valve with rod with conical or some other shutoff surface for every atomiser and fast-operation reversing drive for every nozzle. Needle chamber of every atomiser is connected with low-pressure accumulator. Outlet of the latter is connected with high-pressure fuel inlet. Outlet of high-pressure accumulator is connected with low-pressure hydraulic accumulator. First mechanical control valve for every atomiser is arranged in atomiser channel between high-pressure hydraulic accumulator inlet and atomiser needle chamber. Second mechanical control valve is arranged between atomiser needle chamber and low-pressure hydraulic accumulator. First and second mechanical control valves are engaged by levers with rod and, thereby, with fast-response reversible mechanical drive. The latter is equipped with, at least one plate for one cylinder with convex surface at one end of said plate, definite length of said convex part having an invariable radius. Said shaft is articulated with at least one crankshaft with at least one shaped can with at least one microprofile. Said micro shapes have leading edge parallel with needle axis and trailing edge parallel with plate end convex surface skew in adjustment of injection interval. Convex surface of every plate has one or several skews over its width. Every plate can displace along rod axis. The latter is connected directly or indirectly via multiplexer with the rod whereto connected are said first and second mechanical valves. Every plate can displace in the plane perpendicular or inclined to needle and stem axes and is splined to stem relative to which displaces the plate. |
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Device for automatic preparation of power plant of military track vehicle for start-up Device for automatic preparation of a power plant of a military track vehicle for start-up includes a heater including a boiler, an outlet manifold, a supercharger, an electric motor, a water pump, a fuel pump, an injector, a fuel valve, an ignition plug and a heating plug. A control unit with a remote control panel, which is connected to the ignition plug, the heating plug, the fuel valve, the electric motor and a temperature sensor, is installed into a warm-up system. A flame temperature sensor and an outlet manifold cover drive are installed into the heater boiler, and a heating limiter is installed into the heat exchanger. |
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Turbocompressor comprises a turbocompressor casing, a casing of bearings with oil supply channels, a rotor with bearings being set on its shaft, an oil drain cavity, an oil drain tube. A rotating knee piece with a bolt of the rotating knee piece is installed in the turbocompressor casing. The axial bore of the bolt is connected to the oil drain cavity. The output of the rotating knee piece is connected to the engine case via a drain tube. |
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Electrodynamic nozzle for diesel fuel Electrodynamic nozzle for diesel fuel with pressure-release control valve with solenoid drive contains a casing with channels, one channel communicates with the space below needle of the injector nozzle while the other channel by means of a filling flow-metering valve communicates with a hydraulic locking chamber equipped with a drain channel with a solenoid valve installed in it. Between the hydraulic locking chamber and the drain channel there is a bypass group which regulating component is connected rigidly to the needle and there is an auxiliary channel with a draining flow-metering valve. Before flow section of the control valve there is an auxiliary flow-metering valve, which flow section f3 is coupled to the flow section f1 of the filling flow-metering valve that feeds the fuel to the hydraulic locking chamber, and to the flow section f2 of the draining flow-metering valve installed in the auxiliary channel between the hydraulic locking chamber and draining channel with the following ratios - 1.2 ≥ f3/f1 ≥ 1.1, 0.5 ≥ f3/f2 ≥ 0.45. The injector nozzle needle is spring-controlled and is deformed preliminary thus ensuring the force applied to the area of the needle cross-section within the limits of 7…11 MPa. |
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External heat supply engine built around parson's oscillating piston engine drive Invention relates to external heat supply engines. This engine comprises working piston and displacer pistons in different cylinders. Output shaft incorporates the crank articulated via con-rod with working piston. Oscillating sleeve with shaft fitted therein are pivoted inside said housing on one axle. Both sleeve and shaft are equipped with cranks articulated via con-rods with displacer pistons. In-cylinder spaces above displacer pistons are hot chambers. In-cylinder spaces under displacer pistons are cold chambers. Working medium is fed from hot chambers into cold chambers via heaters, regenerators and coolers. Cold chambers are communicated via working medium lines with appropriate above-piston and under-piston chambers of the cylinder with working piston. Engine runs with phase shift between working piston and displacer piston. |
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Mechanism to drive two opposite-rotation propellers via planetary gearing Proposed mechanism comprise two opposite rotation propellers, drive turbine, shaft engaged therewith, fixed casing supporting the turbine by shaft and two bearings, transmission and hub. Transmission comprises planetary gearing with central planetary gear drive by turbine, pinion carrier equipped with plane pinions engaged with planetary gears and outer rim to be engaged with plane pinions. Pinion carrier drives of the propellers while outer rim drives the second propellers. The bush is engaged with turbine and planetary gear and is surrounded by said shaft. Note here that clearance is maintained between said bush and shaft. Bush features larger elasticity than the shaft so that it bends when unbalances forces are applied to planetary gear in radial direction. Spacing between one of the bearings and planetary gear is the spacing between two bearings. |
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Electric power generator exploiting offgas heat Invention relates to automotive industry. Electric power generator (1) exploits the heat of off-gas formed in ICE operation and comprises generator (3) with off-gas inlet pipe (4) and exhaust pipe (5). This device has heat exchange section (6) with heat exchanger (10) incorporating thermoelectric element (11) and cooler (12) locked with the latter. Heat exchange section (6) has multiple off-gas passages (9) directed across inlet pipe (4) and communicated with several heat exchangers (10). At least one part of the latter incorporates, at least, one thermoelectric element (11) and at least one cooler (12). Off-gas passages (9) and thermoelectric elements (11) are directed radially. Invention covers also the vehicle incorporating aforesaid electric power generator. |
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Device can be used for protection of ICE valve train electro-hydraulic control system. Proposed cap comprises cover element (10) with at least one cup-like partial area (12), limiter (20) fitted in said cup-like area to constrict the latter that includes means for connection of limited space with mated surface. Said mated surface is furnished with at least one cup-shaped edge for tightness abutment. Sealing element (30) is arranged along at least one cup-shaped edge to connected cover element (10) with constricting element (20). Said sealing element is cast to cover element (10) with constricting element (20) fitted therein. |
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Device for diagnostics of carburetor and fuel pump of the automobile engine Invention relates to testing of fuel equipment of internal combustion engines. The instrument for diagnostics of a carburetor and a fuel pump of the automobile engine has a container equipped with a mirror and a measuring scale, and a lock of fastening the lid and the container to the lower part of the carburetor, at that at the bottom of the container the drain fitting is located, connected by the tube to the additional container having a drainage hole and a stepped connecting piece with a metering hole, and the recording device is made in the form of a separate control unit with the locking elements located on both sides of the recording device, characterised in that the container is made transparent and on its measuring scale or on the container wall the tags are placed corresponding to the level of fuel for different types of carburetors, in addition, the container is provided with a holder of the additional container tube, connected with it to the drain fitting of the container and the lid of the carburetor, installed on the container, has a quick-acting lock, and on the housing of the control unit from both sides of the recording device the retaining locking elements are placed, and it is equipped with an easily removable drain container also equipped with a retaining locking element. |
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Method for ice injection parameter adjustment Invention relates to transport and can be used in processes of fuel combustion in internal combustion engines (ICE). In the method, both charge stratification and homogeneous air-fuel mixing is provided by means of changing at least one injection parameter. The method consists in adjustment of fuel injection depth by means of changing injection pressure. Injection depth is adjusted within total depth of combustion chamber, and injection pressure is changed either smoothly or in steps, in particular using mode selector. Mode selector provides at least two fixed charge stratification modes with possibility of their selection or switching between them. Herewith, within used modes the injection duration parameter can be set in proportional dependence or in one of types of nonlinear dependence on injection pressure: differential, integral, logarithmic or any other nonlinear dependence. |
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Supercharged internal combustion engine Proposed engine comprises cylinder with piston and displacement compressor. Said piston is engaged via two co-rods with two parallel crankshafts timed by two gears. Said compressor is composed of toothed compressor discs fitted on crankshafts of diameter 2r of teeth pitch circle equal to diameter DC of timing gear pitch circle. Compressor disc tooth length b is set subject to engine piston cylinder working volume, supercharge degree e and diameter DC at the following ratio b = e 1 / n * R X 2 * X / ( m * η V * D C ) , where n is polytropic exponent of air compression in compressor, RX is the piston outer circle radius, X is piston stroke, m is the compressor disc tooth pitch, ηV is the compressor volume efficiency. |
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Automated method and system for starting of aircraft star piston engine Invention relates to power engineering. Proposed method comprises feed of fuel into mix manifold from extra fuel tank. Said fuel is converted into vapour-phase state during its feed. It is mixed with air in said state. Formed fuel-air mix is forced at suction stroke into cylinders while the engine crankshaft is motored round by air compressed to 45-50 atm and forced in combustion chamber cylinders at compression stroke some 2-3 degrees after TDC. Invention covers also the system for method implementation. |
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Method of fabrication of liquid-propellant rocket engine combustion chamber nozzle Proposed method comprises production of outer and inner shells, assembly of shell rings, soldering, making of bypass holes of the cooler in one or several commutator rings and welding of one or several commutators with commutator rings. In compliance with this invention, combustion chamber nozzle is soldered prior to making of bypass holes of the cooler in commutator rings or at making said holes not to the entire commutator ring wall depth. Then, after soldering in commutator rings, cooler bypass holes are made to the entire commutator ring wall depth. Commutators with tips are soldered to the nozzle. Note here that said holes are drilled either mechanically or by EDM process. |
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Turbo unit of gas-compressor unit (GCU) or gas turbine power plant (GTPP) comprises a gas turbine engine (GTE), a casing of the gas turbine engine, a compressor (blower) with labyrinth shaft seals, a transmission, a transmission casing with flanges, located between the casing of the gas turbine engine and the compressor. The transmission casing is provided with the inner wall forming the air duct together with its outer wall, which connects the casing cavity of the gas turbine engine with the area in front of the labyrinth compressor seals through the openings formed in the flange of the transmission casing, and the openings formed in the inner wall of the transmission casing, connected to it through the radial channel formed by the partitions fastened to the inner wall of the casing. |
Another patent 2513279.