achines or engines in general and engine plants in general and steam engines (F01)

F01            achines or engines in general; engine plants in general; steam engines(14877)
Rotary drive system with roller running from cam with detachable wheel support // 2607714
FIELD: machine building.SUBSTANCE: invention relates to rotary drive system (50) and can be used in power plants. Contains cylindrical wall (51), piston (4, 4') having possibility of sliding in axial direction along longitudinal axis (L) inside cylindrical wall (51), and piston rod (20, 20'), extending along longitudinal axis and projecting from system drive side (D) in axial direction outside cylindrical wall. Piston rod (20, 20') is attached to holder support element (5a) on drive side. Cam washer rotary annular element (9) stretches into cam washer axial position, which is located at distance from drive side (D) coaxially around cylindrical wall (51). From the support side holder (5b) comprises pair of rollers (7, 7'), engaged with cam washer opposite surfaces. Holder (5b) is located radially outward from cylindrical wall (51) from cam washer position to support element (5a) and is connected with possibility of disconnection by means of connection end with holder support element. Holder (5b) includes arm, in which there is flexible section (41).EFFECT: detachable holders provide drive system with possibility of easy assembly and disassembly for maintenance, repair or replacement of rolls after their wear.7 cl, 8 dwg
Blade of turbomachine, in particular for made as a whole monowheel // 2607712
FIELD: energy.SUBSTANCE: invention relates to power engineering. Blade of a turbomachine containing a blade airfoil elongating in the axial direction between the front edge and the rear edge, and in the radial direction - between the root and the apex. Front edge of the blade airfoil has a sweep angle, which is positive and continuously increasing from the root to the first radial height of the blade airfoil located between 20 % and 40 % of total radial height of the blade airfoil measured from the root to the apex and continuously decreasing from the said first radial height of the blade airfoil to the apex. Invention also discloses a turbomachine and a turbomachine monowheel made as a whole.EFFECT: invention enables optimum control over secondary air flows and also enables to consider penetration into the jet, which is called directed downward.10 cl, 3 dwg
ethod of engine warm-up improving and automotive vehicle // 2607709
FIELD: engines.SUBSTANCE: invention relates to internal combustion engines, particularly, to engine warm-up. Disclosed is method of fluid warm-up supplied by pump (10) to vehicle (1) engine (5), if liquid temperature is low and reduces engine (5) operating efficiency. Method includes increasing losses for pumping, if necessary to warm-up liquid, if vehicle (1) movement deceleration occurs. To increase losses for pumping in order to produce heat on liquid passing through pump (10), limitation of liquid supply from pump (10) is created using flow control valve (12), or reducing pump efficiency (10), thus changing pump (10) layout or adjustment. In preferred version of invention, liquid pre-heating is performed only in case of vehicle (1) working brakes (50) actuation.EFFECT: invention provides faster engine coolant heating, fuel saving and reduces emissions.15 cl, 3 dwg
Internal combustion engine and method of its operation // 2607705
FIELD: engines and pumps.SUBSTANCE: invention relates to in-line four-cylinder internal combustion engines. Summary: engine comprises at least one cylinders head, four cylinders (1, 2, 3, 4) with linear arrangement along longitudinal axis of said at least one cylinders head and crankshaft (15), which belongs to crank drive and which comprises crank (11, 12, 13, 14) for each cylinder (1, 2, 3, 4), installed in accordance with specified cylinder (1, 2, 3, 4). Crankshaft cranks (11, 12, 13, 14) are equally spaced relative to each other along crankshaft (15) longitudinal axis (15a). Each cylinder (1, 2, 3, 4) contains at least one outlet (5) to discharge exhaust gases from cylinder (1, 2, 3, 4) through exhaust system (6), for this purpose discharge line (8) adjoins each outlet hole (5). Cylinders (1, 2, 3, 4) are arranged in two groups, wherein in each case one outer cylinder (1, 4) and adjoining to it inner cylinder (2, 3) form group, and discharge lines (8) of cylinders (1, 2, 3, 4) are merged together, to produce common discharge line (10), so that exhaust manifold (7) is formed in stages. At that, in each case outlet lines (8) of each group of cylinders are merged together to make partial discharge line (9), and then occurs merging of two partial discharge lines (9) of two groups of cylinders, and common discharge line (10) is produced. According to invention, two cylinders (1, 2, 3, 4) crankshaft two cranks (11, 12, 13, 14) of each set of cylinders are not shifted relative to each other in circular direction around crankshaft (15) longitudinal axis (15a), so that cylinders (1, 2, 3, 4) of said group of cylinders are mechanically synchronized to each other. At that, one group of cylinders crankshaft cranks (11, 12, 13, 14) are arranged so, that are displaced by 180° in circular direction of crankshaft (15) relative to cranks (11, 12, 13, 14) of another group of cylinders.EFFECT: technical result is exclusion of pressure waves mutual influence or fluctuations in exhaust system in case of charge in cylinders change.17 cl, 3 dwg
Device for provision of liquid reducing agent with particles separation screen // 2607578
FIELD: gas industry.SUBSTANCE: invention relates to exhaust gas cleaning devices. Liquid reducing agent (15) supply device (1) has tank (2) with inner space (3) and vessel (4) at least partially located in tank (2) inner space (3). From outside vessel (4) is, at least, partially surrounded by particles separation screen (5) made with possibility of flow passage. In vessel (4) there is a supply device (8), which is made to supply reducing agent (15) from tank (2) through particles separation screen (5), and then to reducing agent (15) injection point (9).EFFECT: using invention creates possibility of creation of screen, which clogging can be prevented for a long period of time due to self-cleaning effect, due to metal design screen itself can be used as heater.10 cl, 13 dwg
Combined-cycle plant based on heat transformer with injection of steam into gas path // 2607574
FIELD: energy.SUBSTANCE: invention relates to power engineering and is aimed at improving combined-cycle plants in combination with injection of steam into a gas path. Combined-cycle gas plant is equipped with absorption lithium bromide heat transformer at fire heating, steam turbine connected to a steam waste heat recovery boiler, air condenser made in the form of a cooling tower, surface heat exchanger-condenser.EFFECT: invention provides higher reliability and efficiency of a combined-cycle plant.1 cl, 1 dwg
Self-locking sealing device // 2607572
FIELD: manufacturing technology.SUBSTANCE: sealing device contains plug, made with possibility of arrangement in housing threaded hole and removal from it by screwing in and unscrewing. Plug comprises central body with thread, and locking and disengagement device, preventing spontaneous unscrewing of plug, automatically actuated by plug rotation and its corresponding displacement along longitudinal axis. Locking and disengagement device includes two detachable connecting elements, first of which in rotation is engaged with central body, and second is made with possibility of its rotation relative to housing locking. Plug comprises skirt, rigidly connected with central body and having support area, made with possibility of interacting directly with second element support area. First element is engaged with central body with possibility of their combined rotation by means of guiding devices, made on first element periphery and extending in radial direction relative to longitudinal axis. Guiding devices enter corresponding grooves, made inside skirt and extending along longitudinal axis, providing possibility of first element movement inside skirt along longitudinal axis.EFFECT: invention enables eliminate plug unscrewing from housing under influence of aircraft engine vibrations.18 cl, 5 dwg
Engine structural unit comprising base part and support, method of its installation, base part for engine structural unit and method of its manufacturing // 2607570
FIELD: engines.SUBSTANCE: invention may be used in internal combustion engines. Engine structural unit consists of base part (1), shaft (2), as well as at least one support (3). Support (3) has shaft (2) arrangement hole (4). Support (3) is fixed on base part (1) using fixing means (5). In assembled state shaft (2) rests on base part (1) with possibility of rotation. In contact area (6) of support (3) and base part (1) at least one engagement element (7) engages in response element area (8). Response element area (8) has, at least, one recess edge (9) made in form of line, or line within recess surface (9), preferably in slot recess (9). Response element area (8) and at least one engagement element (7) are made so, that support (3) and base part (1) in assembled state and without mounting of fixing means (5), at least, along said line does not form geometric closure. Engagement element (7) and/or response element area (8) are made with possibility of elastic and/or plastic deformation during installation. Disclosed are shaft assembly method on base portion, structure unit basic part and method of base portion making.EFFECT: technical result consists in simplification of manufacturing and in reduction of surfaces tolerances sizes required for connection of bearing support with base portion.15 cl, 10 dwg
Vacuum deaeration plant for make-up feed water of thermal power plant // 2607439
FIELD: energy.SUBSTANCE: invention relates to heat engineering. Vacuum deaeration plant for make-up feed water of a thermal power plant comprises a vacuum deaerator with a deaerated make-up feed water pipeline, connected to a main condensate pipeline of a turbine, with pipelines for initial water and heating agent, in which initial water heaters are connected and a heating agent with pipelines for heating medium, vented steam pipeline.EFFECT: higher efficiency of vacuum deaeration plant for make-up feed water of thermal power plant and lower electric power expenditure on auxiliaries by providing technologically required temperature mode of deaeration owing to use as heating medium for heaters of vacuum deaeration plant cheap heat carrier with parameters sufficient for deaeration.1 cl, 1 dwg
Thermal power plant // 2607437
FIELD: energy.SUBSTANCE: invention relates to heat engineering and may be used at thermal power plants. Thermal power plant comprises a steam-gas unit with a gas turbine, compressor of the gas turbine unit, combustion chamber, heat-recovery boiler, and a steam turbine with a condenser, which is connected to pipelines of cooled and heated circulating water. Pipeline of heated circulating water comprises a main evaporator of heat pump plant (HPP), an additional evaporator of the HPP is connected to the line of cooling cycle ambient air ahead of the compressor of the gas turbine unit. Main condenser of the HPP is included in the pipeline of the steam turbine condenser, additional condenser of the HPP is connected to the line of heating ambient air ahead of the compressor of the gas turbine unit.EFFECT: invention provides higher efficiency and reliability of thermal power station owing to reducing heat losses of heated circulating water, reducing power of devices for cooling heated circulating water of the condenser of the steam turbine, continuous maintaining optimum temperature of cycle ambient air for the gas turbine unit, as well as excluding the possibility of icing an inlet part of the compressor of the gas turbine unit in the cold season.1 cl, 1 dwg
Steam turbine // 2607424
FIELD: turbines.SUBSTANCE: disclosed is steam turbine (100), which may contain turbine section (101), containing rotor (102). Around turbine (100) inner housing (122) is arranged, having upstream end (130), downstream end (132) and outlet hole (134) located at downstream end (132) and providing possibility of waste steam outlet from inner housing (122). Around inner housing (122) outer housing (120) is located, having upstream end (130), downstream end (132) and outlet hole (140) located next to outer housing (120) downstream end (130). Between inner housing (122) and outer housing (120) through channel (144) is passing, through which waste steam passes in direction upstream from inner housing outlet hole (134) to outer housing outlet hole (140). In flow passage (144) between inner housing (122) and outer housing (120) dividing element (160, 260) can be located. Dividing element (160, 260), located in flow passage (144) between inner housing (122) and outer housing (120) directly behind outer housing outlet hole (140), comprises partition, passing in circumferential direction along arc from approximately 160° to approximately 220°, and provides waste steam direction to flow passage (144) lower part (164).EFFECT: by selecting angular length in circumferential direction efficient control over housings temperature expansion is enabled.4 cl, 4 dwg
ethod pertaining to scr system and scr system // 2607203
FIELD: gas industry.SUBSTANCE: invention relates to method and system for processing exhaust gases, in which a reducing agent is fed into a stream of engine exhaust gas. SCR system comprises SCR catalyst (265). Upstream of catalyst (265) of SCR there is filter (260) with SCR functional coating. First dosing unit (250a) for provision of reducing agent is arranged upstream of said filter (260), and second dosing unit (250b) for provision of reducing agent is arranged upstream of said SCR catalyst (265) and downstream of said filter (260). Method comprises steps of: continuously determining differential pressure (P) over said filter (260); controlling dosing of said first and said second dosing units (250a, 250b) on basis of thus determined differential pressure (P) over said filter (260).EFFECT: use of invention enables to redistribute dosing of reducing agent between two dosing units depending on accumulation of soot in filter.15 cl, 5 dwg
Internal combustion engine with liquid cooling and its operating method // 2607201
FIELD: engines and pumps.SUBSTANCE: invention relates to internal combustion engine (1), having at least one cylinder block head (1a) and one cylinders block (1b), wherein at least, one cylinder block head (1a) is equipped with at least one integrated cooling jacket, which has first inlet hole (2a) at inlet side for supply of cooling agent, and first outlet hole (3a) at outlet side to drain coolant, cylinder block (1b) is equipped with at least one integrated cooling jacket, which has second inlet hole (2b) at inlet side for supply of cooling agent, and second outlet hole (3b) at outlet side to drain coolant, and to form cooling circuit outlet holes (3a, 3b) are made with possibility to be connected with inlet holes (2a, 2b) via recirculation line (5), in which heat exchanger (6) is installed, on inlet side there is coolant supply pump (17). Invention aims at providing an internal combustion engine (1) with optimized cooling system control. Said task is solved by fact that in proposed internal combustion engine a control device (7) is installed at inlet side filled with cooling agent and having two outlets (8a, 8b), from which first outlet (8a) is connected to first inlet hole (2a), and second outlet (8b) is connected to second inlet hole (2b), wherein control device (7) contains single gate (7A), which in first working position opens first outlet (8a) and closes second outlet (8b), thus starting coolant circulation through cylinders block head (1a) and stopping circulation of coolant through cylinders block (1b), and in second working position opens both first (8a) and second (8b) outlets, thus starting coolant circulation through either cylinders block head (1a), and through cylinders block (1b).EFFECT: invention provides engine thermal control at warming-up stage and provides effect on warmed-up engine thermal control.16 cl, 1 dwg
System to ensure tightness between oil cavity and adjacent external space and turbo machine equipped with such tightness system // 2607200
FIELD: turbo-machine.SUBSTANCE: invention discloses system to ensure tightness between oil cavity and adjacent external space and turbomachine, equipped with such sealing system. According to invention sealing system between oil cavity (1, V1) and adjacent external space (V2), which are restricted by rotor (5), rotating around axis (L-L), and structural element, stationary or moving (7), comprises: first sealing gasket (10A), located between rotor (5) and structural element (7); second sealing gasket (10B), which is installed between rotor (5) and structural element (7) and displaced in lengthwise direction relative to first sealing gasket (10A) so, that with the first sealing gasket make sealed chamber (12), limited by rotor (5), structural element (7) and two sealing gaskets (10A, 10B); and gas (G) supply device (13) to sealed chamber (12) in order that gas (G) can be compressed by rotation of rotor (5); wherein chamber communicates with oil cavity and/or adjacent external space only through first and second sealing gasket, respectively.EFFECT: enabling tightness between oil cavity and adjacent external space.9 cl, 1 dwg
Sealing assembly and rotary machine // 2607195
FIELD: machine building.SUBSTANCE: sealing assembly is used in rotary machine. Rotary machine comprises stator housing having radially inner surface, limiting cavity inside said housing, and rotor arranged in said cavity and distanced in internal direction from stator inner surface. Sealing assembly comprises support ring connected to stator housing, and plate elements connected with support ring and arranged in circumferential direction around rotor. Counteracting element passes inward from support ring in direction of rotor outer surface. Said counteracting element is connected with support ring and passes through each of said plate elements. At least one rotor pad passes in circumferential direction on rotor outer surface. Each plate element is located adjacent to at least one rotor pad.EFFECT: increasing sealing assembly efficiency and turbine service life.10 cl, 7 dwg
Internal combustion engine with supercharging and liquid cooling // 2607143
FIELD: engines.SUBSTANCE: invention can be used in internal combustion engines with supercharging and liquid cooling. Engine (1) has at least one cylinder block head (1a), which at unit end side (1c) is connected to cylinders block (1b). Cooling loop (2) consists of cooling liquid supply pump (2a), heat exchanger and ventilating vessel (2b). There is at least one supercharger (3), operating from exhaust gases, where compressor and turbine are arranged on one shaft. Supercharger (3) shaft is installed in liquid cooled bearing housing (4). To form liquid cooling system bearing housing (4) is connected to engine (1) cooling loop (2) by means of connecting line (5). Bearing housing (4) is located between pump (2a) and ventilating vessel (2b). Connecting line (5) leads into ventilating vessel (2b), which, in addition to cooling liquid (2e) volume, also contains volume of gas at point (2d), on which cooling fluid acts. Radiator (6) is located in connecting line (5) between pump (2a) and bearing housing (4).EFFECT: technical result consists in prevention of coolant intermittent feed into ventilating vessel.14 cl, 1 dwg
ethod of operating dosing device // 2607120
FIELD: engines.SUBSTANCE: invention can be used in internal combustion engines having a device for treatment of waste gas, into which a liquid additive is fed. Method of operating dosing device (1) for a liquid additive is intended for a device having at least one pump (2) with movable pumping element, which to supply the liquid additive makes feeding motions, and at least one injector (4), which by means of discharge pipeline (5) is connected to the discharge side of pump (2) and can be opened for dosing the liquid additive. Method includes at least the following steps: a) opening injector (4), b) feeding the liquid additive and counting the feeding motions during dosing, c) closing injector (4), and d) comparing the number of feeding motions determined at step b) with the time of opening injector (4) between step a) and step b) for diagnostics of dosing device (1) operation. Invention discloses a dosing device and a vehicle with an engine having the dosing device.EFFECT: technical result is higher dosing accuracy and reliability.17 cl, 5 dwg
ethod and system for deep heat recovery of boiler combustion products of thermal power plants // 2607118
FIELD: energy.SUBSTANCE: invention relates to station power, particularly, to energy saving during operation of boilers power stations, comprising steam-turbine plants (STP). Method for deep recovery comprises feeding STP condensate into water-gas heat exchanger (WGH) at boiler outlet and heating condensate using heat of combustion products (CP), combustion products (WGH) are cooled to temperature below dew point by (5–10) °C, obtained condensate (OC) is collected, purified according to a known technology and fed into a condensate line and then successively into condensate heater, deaerator and boiler. In order to implement method, deep recycling system (DR) includes arranged under water-gas heat exchanger (WGH) condensate drain tank (OC), condensate collection and storage tanks, drain and condensate pumps, as well as condensate treatment sections, connected to condensate line of station.EFFECT: besides saving heat (fuel) present solution reduces emission of toxic oxides NOx and CO2 due to suppression with water vapour, reducing fuel consumption, obtaining additional water, which can be used for boiler makeup and other needs, eliminates or minimises condensation in gas path and stack, improving maintenance conditions, avoiding need for flue gas recirculation for preventing condensation.2 cl, 4 dwg
Control device for internal combustion engine (versions) // 2607098
FIELD: engines.SUBSTANCE: invention relates to internal combustion engine control device. Internal combustion engine includes high-temperature intercooler (HT intercooler) with water cooling of intake air, injected by turbo compressor. Intercooler contains HT intercooler, in which passing through cylinder block cooling water is introduced, and low-temperature intercooler (LT intercooler), receiving LT cooling water with temperature lower, than HT cooling water temperature, wherein low-temperature intercooler is end to end connected close to high-temperature HT intercooler inlet side. LT target temperature is set to high-temperature side target value in case, when temperature of HT cooling water, supplied to HT intercooler, is lower, than HT target temperature, connected with completion of warming up, wherein LT target temperature is set to low-temperature side target value in case, when temperature of HT cooling water is equal to or higher, than HT target temperature.EFFECT: invention provides reducing period of time required for internal combustion engine warming up.11 cl, 9 dwg
Internal combustion engine // 2606965
FIELD: engines and pumps.SUBSTANCE: invention relates to internal combustion engine. Disclosed is internal combustion engine, comprising: control unit, which determines dew condensation occurrence or non-occurrence on nozzle end section based on amount of heat obtained by injector nozzle, and injector nozzle end temperature at moment when ignition is switched off, and performs controls in order to prevent nozzle corrosion, when in nozzle end section possibility of dew condensation is determined. Control unit calculates nozzle end temperature reduction rate based on amount of heat obtained by nozzle, based on nozzle end temperature reduction rate calculates dew point achieving time and based on time required to reach dew point determines dew condensation occurrence or non-occurrence on nozzle end section.EFFECT: technical result consists in accurate determination of dew condensation onset moment on nozzle end section, in order to effectively suppress dew deposition.9 cl, 24 dwg
Turbine nozzle vane (versions) and turbine with nozzle vanes // 2606736
FIELD: manufacturing technology.SUBSTANCE: disclosed is turbine nozzle vane (180) containing aerodynamic part, having aerodynamic shape. Aerodynamic part has optimum profile, substantially in compliance with values of X, Y and Z of rectangular coordinate system given in Table 1. Said values X, Y and Z are non-dimensional values with values from 0 % to 100 %, convertible into dimensional distances in inches (cm) by multiplying these values X, Y and Z to height of blade aerodynamic part in inches (cm). X and Y represent distances in inches (cm), which, being connected by smooth continuous arcs, setting blade aerodynamic part profile cross-sections at every distance Z. Blade aerodynamic part profile cross-sections at distances Z are smoothly connected to each other with formation of complete aerodynamic shape.EFFECT: enabling optimum conditions and technical characteristics of aerodynamic efficiency and standardized aerodynamic and mechanical loads of blade.18 cl, 4 dwg, 1 tbl
Device to actuate load, multi-spool gas turbine flushing method and method of multi-spool gas turbine slow-rotating // 2606726
FIELD: energy.SUBSTANCE: invention relates to power engineering. Device to actuate load, containing multispool gas turbine, containing high-pressure compressor and high-pressure turbine, connected to each other by first shaft, low pressure compressor and working turbine, connected with provision of driving force transmission to each other by second shaft, passing coaxially to first shaft. At that, device additionally contains load coupling, connecting working turbine with load with provision of driving force transmission, and comprising two-speed rotary reduction gear, made with possibility to interact with said load to provide driving force transmission and exit from said interaction for slow rotating of load or to rotate low pressure compressor with provision of driving force transmission during washing in decommissioning mode. Invention also discloses method of washing in multi-spool gas turbine decommissioning mode, as well as method of multi-spool gas turbine and load connected therewith slow rotating.EFFECT: invention increases gas turbine washing efficiency.24 cl, 4 dwg
Internal combustion engine valve gear // 2606723
FIELD: engines.SUBSTANCE: invention can be used in four-stroke internal combustion engines with valve gear. Internal combustion engines valve gear drive contains two distributing shafts (5), (6), including permanent magnets (7), (8). Permanent magnets (7), (8) interact with permanent magnets (10), rigidly fixed at inlet and outlet valves (1), (2) rods ends with one of poles orientation towards corresponding distributing shaft (5), (6). Each distribution shaft (5), (6) permanent magnets (7), (8) are made with axial magnetization and installed in diametrical through holes formed in shaft body, with magnetization vector orientation along hole axis. Hole is made shaped and with outlet cross section, providing specified magnetic field action sector of corresponding magnet (7), (8) pole.EFFECT: technical result consists in improvement of drive operation reliability.6 cl, 12 dwg
Sprayer for fluid medium injection // 2606721
FIELD: engines.SUBSTANCE: invention may be used in internal combustion engines. Proposed is sprayer (1) for fluid medium injection into exhaust gas cleaning device (15), having injector (2), which is located in injector holder (3), wherein injector (2) has receiving opening (4) and injector holder (3) structural part (5) extends into receiving opening (4). Said sprayer (1) is suitable, primarily, for supply of urea aqueous solution into device (15) for vehicle (12) exhaust gas cleaning. Preferably, structural part (5) in longitudinal direction (23) is rigid, and compressed in radial direction (24) due to deformed rubber sheath (22) for compensation of solution volumetric expansion at its freezing.EFFECT: injection of fluid medium into device.8 cl, 4 dwg
Silencer and motor driven working machine // 2606549
FIELD: engines.SUBSTANCE: working machine with motor drive, including: two-stroke engine, including piston made for reciprocating inside cylinder, to which exhaust channel is bonded, and tool in front part, made so that to be driven by motor, wherein expansion chamber is connected with exhaust channel via connection channel, wherein connecting channel includes first and second ends, and connection channel extends from first end in exhaust channel axial direction, bent in direction from exhaust channel axis of the and connected to expansion chamber on second end, and wherein expansion chamber casing is located on connecting channel inner side, and engine unit comprises cylinder and crank case.EFFECT: machine operation.16 cl, 11 dwg
ethod and system to control vehicle engine brake // 2606542
FIELD: engines and pumps.SUBSTANCE: invention can be used in vehicles with internal combustion engines. Motor brake control method is intended for vehicle equipped with internal combustion engine. Engine includes cylinders, engine output pressure regulator (OPR), suction air throttle valve (ATV) and pressure measurement device (20) to measure pressure downstream of cylinders (11). OPR controls air flow coming out of cylinders. ATV controls air flow supplied to cylinders. For control over engine braking torque (T) two different engine braking modes (a), (b) are used. First engine braking mode (a) consists in that air flow control, passing through OPR, is carried out using feedback loop in accordance with pressure downstream of cylinders, and ATV control is performed in advance control mode depending on engine speed (S) and required braking torque (T). Second engine braking mode (b) consists in fact, that OPR control is performed in advance control mode depending on engine speed (S) and required braking torque (T), and ATV controls braking torque using feedback loop in accordance with pressure downstream of cylinders. Disclosed is vehicle engine brake system.EFFECT: technical result consists in provision of smooth transition between two different engine braking modes.11 cl, 3 dwg
Exhaust gases control device faults diagnostics device // 2606468
FIELD: engines and pumps.SUBSTANCE: invention relates to internal combustion engines exhaust gases processing system. Faults diagnostics device according to exhaust gases control device having both selective reduction function, and filtering function, calculates NOX purification rate, relating to case, when exhaust gases control device is in normal condition, based on solid particles (PM) amount estimated value collected or accumulated in exhaust gases control device, and estimated value of NO2 share in exhaust gas, flowing into exhaust gases control device, and determines, that exhaust gases control device is faulty, when difference between calculation result and actual NOX purification rate exceeds threshold value.EFFECT: invention provides technology for more accurate diagnosing faults in exhaust gases control device, having both selective recovery function and filtration function.4 cl, 7 dwg
Internal combustion engine with four cylinders located in row and operation method thereof // 2606464
FIELD: engines.SUBSTANCE: invention may be used in internal combustion engines. Internal combustion engine has four cylinders (3), which are arranged in row along cylinders head (1) longitudinal axis (2). Each cylinder (3) has at least one outlet hole (4) for exhaust gases output from cylinder (3) through exhaust system, for this purpose each outlet hole (4) is connected to outlet channel (5). Cylinders (3) outlet channels (5) are connected in series with formation of common outlet pipeline (7). At least one outlet channel (5) of outer cylinder (3a) is connected with at least one outlet channel (5) of neighboring internal cylinder (3b) with formation of partial discharge pipeline (6) before, four cylinders (3, 3a, 3b) two outlet pipelines (6) are connected with formation of common outlet pipeline (7). Exhaust system outputs at cylinders head (1) outer side (8). Wall outer sections (9a), which in each case separate section from each other, at least one outlet channel (5) of outer cylinder (3a) and section of at least one outlet channel (5) of neighboring internal cylinder (3b) and extending into exhaust system, pass towards cylinders head (1) outer side (8) perpendicular to cylinders head (1) longitudinal axis (2) over distance smaller than wall inner section (9b), which separates section of two partial discharge pipelines (6) from each other. Section of two inner cylinders (3b) outlet channels (5) extends into exhaust system. Cylinders (3) outlet channels (5) are connected together to form common outlet pipeline (7) inside cylinders head (1) or outside of cylinders head (1). Disclosed is a method to operate an engine.EFFECT: technical result consists in reduction of cylinders mutual influence on each other at working mixture charge changing.18 cl, 3 dwg
Air supply system for engine with charger, and vehicle containing such system // 2606463
FIELD: engines.SUBSTANCE: invention can be used in internal combustion engines with chargers. Low pressure air supply system for engine (4), having charger (10) includes low pressure atmospheric air inlet opening (9), charger air compressor (11), air filter (8), low pressure air channel (15) and sound-proofing device (20). Air filter (8) filters air supplied via low pressure air inlet opening. Low pressure air channel (15) is connected with air filter (8). Soundproofing device (20) is connected with low pressure air channel (15) on inlet end, is located near charger air compressor (11) inlet. Soundproofing device (20) includes housing (21) and chamber. Soundproofing device (20) chamber is located around part of housing (21) and functionally connected with air duct, formed by housing (21), through plurality of bypass openings formed by elongated holes, which long edges are parallel to air flow path through air channel. Invention discloses vehicle with engine containing low-pressure air supply system.EFFECT: technical result consists in noise level reduction.10 cl, 10 dwg
Gas turbine engine support post assembly // 2606462
FIELD: machine building.SUBSTANCE: group of inventions relates to a support post assembly for a body support of a functional unit of a gas turbine, to a gas turbine and to a method of supporting the body of a functional unit of a gas turbine. Assembly (100) of the support post includes body (101) of the post for supporting the unit on a base, ball rotary element (102), which is arranged able to turn on body (101) of the post forming a ball hinge, and swinging lever (103) installed on element (102). Lever (103) is intended to be inserted in support hole (121) of support body (120), which is part of the body or the base. Lever (103) is intended to be inserted in hole (121) with movable fit so that turning point (105) is created in the first zone of contact between lever (103) and internal surface (122) of hole (121), so that the possibility of rotation of lever (103) inside hole (121) around point (105) is provided. Elastomer spring and damping element (104) is installed on lever (103) so that the possibility is provided of placing element (104) between lever (103) and body (120) to ensure centering force and damping lever (103) turn relative to body (120) around point (105).EFFECT: group of inventions is aimed at providing effective maintenance of a gas turbine.17 cl, 8 dwg
Exhaust manifold for engine // 2606461
FIELD: engines.SUBSTANCE: invention can be used in internal combustion engines. Exhaust manifold (111) for an engine comprises a cast body defining at least two exhaust gas transfer tubes(113a), (113b), (113c), (113d) for discharge of exhaust gases from engine cylinders and common exhaust gas outlet (116). Each of exhaust gas transfer tubes (113a), (113b), (113c), (113d) has a respective flange (112a), (112b), (112c), (112d) securing exhaust manifold (111) to engine. Rigid spacers (115a), (115b), (115c) are fitted between adjacent flanges(112a), (112b), (112c), (112d) producing an interference fit with adjacent flanges when exhaust manifold (111) is cold. Invention also discloses an internal combustion engine with a cylinder head comprising an exhaust manifold, a motor vehicle with an internal combustion engine and a method of producing exhaust manifold for engine.EFFECT: technical result consists is enabling expansion of exhaust manifold during heating without formation of strong internal strain and preventing deformation of exhaust manifold during its cooling.12 cl, 22 dwg
ethod of diesel locomotive diesel engine cooling system automatic independent warming-up // 2606428
FIELD: warming-up.SUBSTANCE: invention relates to diesel locomotive diesel engine warming-up. Method of diesel locomotive diesel engine cooling system automatic independent warming-up includes, that warmed-up diesel engine is periodically started, performing diesel engine and its cooling system heating. Diesel engine shutdown occurs automatically at diesel engine cooling system component preset operating temperature, having most heat capacity. Automatic diesel engine starting occurs at cooling system component with highest heat capacity temperature drop to specified value or temperature drop below permissible limit in cooling system component with minimum heat capacity. After diesel engine shutdown performing coolant pumping through the entire diesel locomotive cooling system. Pumping is actuated at temperature drop in cooling system component with minimum heat capacity to threshold value, exceeding permissible limit for diesel engine starting. Pumping is switched off when temperature in cooling system component with minimum heat capacity reaches set limit.EFFECT: technical result consists in reduction of pump operation duration for coolant pumping in cooling system and storage battery increased service life.1 cl, 3 dwg
Thermoelectric generator in internal combustion engine exhaust gases exhaust system // 2606300
FIELD: engines.SUBSTANCE: invention can be used in automotive internal combustion engines. Thermoelectric generator is arranged in internal combustion engine exhaust gases exhaust system. Thermoelectric generator consists of hot heat exchanger (1) and thermoelectric modules (4) installed on hot heat exchanger (1). Hot heat exchanger (1) has regular polygonal longitudinal shape with lengthwise finning with longitudinal fins (2) variable-length profile. Above thermoelectric modules (4) cold heat exchangers (5) are installed with fluid flow, flowing against direction of exhaust gases flow. Cold heat exchangers (5) are tightly pressed to thermoelectric modules (4) plates and via them are pressed to common hot heat exchanger (1) screwed-in into pressing plates (9) by screws (8) with resilient compensation elements.EFFECT: technical result consists in enabling of temperatures distribution uniformity along heat exchanger length.4 cl, 4 dwg
Exhaust system // 2606298
FIELD: gas industry; technological processes.SUBSTANCE: invention relates to systems for removing nitrogen oxides from gases and may be used for cleaning exhaust gases of gas turbine engines, for example, gas pumping units, gas-turbine power plants. Exhaust system includes a gas duct with a device for feeding a reducing agent, spacer, diffuser and exhaust pipe, having a selective catalytic reduction catalyst. At inlet and outlet of spacer there is a grid with cells in form of channels. Diffuser is equipped with longitudinal plates attached by their ribs to inner surface of diffuser and form with each other and with walls of diffuser conical gas channels with opening angle of 7–10 degrees. Grids can be arranged with increasing number of cells in area of maximum speed of exhaust gases.EFFECT: invention provides aerodynamic uniform flow of exhaust gases at inlet of selective catalytic reduction catalyst.1 cl, 4 dwg
Gas turbine engine compressor rotor // 2606295
FIELD: engines and pumps.SUBSTANCE: invention relates to turbo machines building and can be used in designs of multistage axial compressors and gas turbine engines turbines, power plants, steam- and hydro turbines. Gas turbine engine compressor rotor comprises discs, connected to each other, with working blades installed on them. On disc rim part, at least, two working blades rims are installed, and between working blades rims circular recesses are arranged with locks of “circular dovetail” type made in them, in which segmented inserts are mounted and locked against movement in circumferential direction by retainers. Segmented inserts form required shape of disc outer surface.EFFECT: invention allows to improve reliability and reduce turbomachine manufacturing labor intensity, increase service life and improve turbomachine specific characteristics (specific power, thrust, fuel consumption).1 cl, 3 dwg
High-speed axial fan impeller // 2606294
FIELD: engines and pumps.SUBSTANCE: invention relates to aircraft engine technology, particularly to aircraft gas turbine engines axial fans. High-speed axial fan impeller comprises disc, blades installed in disc and path flanges arranged on disc between blades with formation of blade channel inner surface. Blades are made with forward sweep in peripheral part, and leading and trailing edges generatrices projections on meridian plane contain convexity towards against flow, located in blades middle part. Leading edge generatrix projection on each blade meridian plane has straight line section. Straight line section height, as well as shape of working blade leading edge generatrix projection on meridian plane is defined by relationships protected by this invention.EFFECT: invention allows to increase high-speed axial fan impeller efficiency while maintaining gas dynamic stability and absence of impeller blades bending-torsional flutter.1 cl, 7 dwg
ethod of reducing agent leakage determining // 2606292
FIELD: engines and pumps.SUBSTANCE: invention relates to internal combustion engine exhaust gases treatment. Method of reducing agent leakage determining from exhaust gas (EG) treatment device includes following steps: a) determination of nitrogen oxides second sensor (29) and device (41) signals (3, 4) difference (5), b) determination of deviation (7) between difference (5) and control unit (2) target value (6), d) determination of control unit integrating component (20) gradient (21), e) establishing of reducing agent leakage, if deviation (7) exceeds first threshold value (9), and gradient (21) is second threshold value (10).EFFECT: using disclosed method and accordingly developed and implemented device enables reliable establishing of reducing agent leakage, wherein very fast control unit can be used.6 cl, 3 dwg
ethod of controlling particulate matter sensor heater (variants), system and method of regenerating particulate matter sensor // 2606286
FIELD: machine building.SUBSTANCE: invention relates to method and device for regeneration of particulate matter sensor of a system for reduction of toxicity of vehicle emissions. Method for controlling a particulate matter sensor heater, comprising operating heater to burn off soot accumulated on sensor; and adjusting a heater temperature based on sensor output generated during heater operation. Temperature of heater is controlled depending on sensor output signal after decrease of signal from a value, corresponding to peak level of soot content. Heater is in active state, starting from moment before reaching peak level at moment of peak level and after decrease of signal.EFFECT: thus, it is possible to optimise control of heater, using already available signal at output of sensor.19 cl, 9 dwg
ethod for processing gas turbine components by means of welding (versions) and processed component // 2606285
FIELD: technological processes.SUBSTANCE: processing gas turbine components having base metal with a surface defect includes applying a first layer onto the processed region by means of welding, the fist layer containing a first filler; then applying a second layer onto the first layer by means of welding second, the second layer having a second filler. Coefficient of thermal expansion of the first filler is less than the thermal expansion coefficient of base metal and the thermal expansion coefficient of the filler. Yield strength of the first filler is greater than the yield point of base metal and less than the yield point of the second filler. Relative elongation at breaking the first filler is greater than the relative elongation of base metal and less than the relative elongation at breaking the second filler. First filler can include from approximately 1.0 wt % to about 1.5 wt % of carbon, from approximately 42.5 wt % to approximately 47.5 wt % of iron and the rest is nickel. Second filler can contain up to approximately 0.1 wt % of carbon, from approximately 20 wt% to approximately 23 wt % of chrome, approximately 5.0 wt % of iron, approximately 1.0 wt % of cobalt, from 8.0 to 10.0 wt % of molybdenum, from approximately 20 wt% to approximately 23 wt % of chrome and the rest is nickel. Another invention of the group of inventions relates to gas turbine component processed using the said method.EFFECT: group of inventions enables to reduce the probability of cracking inside the weld seam.20 cl, 1 dwg
ethod of catalyzed particulate filter coating and solid particles filter // 2606185
FIELD: engines.SUBSTANCE: invention relates to multifunctional catalyzed filter, which is useful for internal combustion engines exhaust gases cleaning. In particular invention relates to catalyzed filter with flow-through filtration wall, as well as to method of production thereof, which includes following steps: a) providing filter housing with flow-through filtration wall with multiple lengthwise inlet flow channels and discharge flow channels separated by gas-permeable porous partitions; b) applying catalyst porous oxide coating composition containing first catalyst composition, which is active during reaction of nitrogen oxides with carbon oxide and hydrogen with production of ammonia, and second catalyst, which is active during selective recovery of nitrogen oxides by reaction with ammonia with production of nitrogen, wherein first catalyst composition has modal particles size less than porous partitions average pores diameter, and second catalyst composition has modal size of particles greater than porous partitions average pores diameter; c) applying catalyst porous oxide coating on filter housing by adding porous oxide coating through outlet channels outlet end; and d) drying and thermal treatment of filter housing with applied coating in order to obtain catalyzed particulate filter.EFFECT: purification of internal combustion engines exhaust gases.6 cl, 1 ex
Kochetov's aerodynamic noise silencer // 2606031
FIELD: acoustics.SUBSTANCE: invention relates to means of silencing aerodynamic noise of pneumatic equipment and compressed gas or air release systems. Noise silencer comprises an inlet branch pipe and a rigidly coupled thereto housing made of a porous material, the housing comprises a base made in the form of a jar with a collar in its upper part, with which interact at least two elements from a porous material in the form of cylindrical the outer and the inner bushings, the upper bases of which are connected to a cover having a collar to fix the bushings and are rigidly connected with the base of the cylindrical jar by means of a threaded pin located coaxially with the jar, the bushings and the cover and having at the ends washers and nuts. Bushings are made on the basis of aluminium containing alloys with their subsequent filling with titanium hydride or air with the density within 0.5…0.9 kg/m3, or from a soft foamed porous noise-attenuating material, or from a hard porous noise-attenuating material.EFFECT: higher efficiency of noise silencing.1 cl, 2 dwg
Aerodynamic release damper of “klsh” type // 2606028
FIELD: acoustics.SUBSTANCE: invention relates to means of silencing aerodynamic noise of pneumatic equipment and compressed gas or air release systems. Noise silencer comprises an inlet branch pipe and a rigidly coupled thereto housing made of a porous material. Housing comprises a branch pipe made in the form of one of side covers of the housing, perpendicular to which there is a rigidly attached internal cylindrical bushing coaxial to peripherally arranged perforated bushings, wherein the other end of the internal cylindrical bushing is rigidly connected with the other side cover of the housing by means of a screw interacting with the bushing threaded part, herewith in the inner bushing there are calibrated holes made with diameter d, axes of which are perpendicular to the bushing axis, and a cavity formed by the perforated bushings is filled with a noise absorbing element. Noise absorbing element is based on aluminium containing alloys with their subsequent filling with titanium hydride or air with the density within 0.5…0.9 kg/m3, or from a soft foamed porous noise-attenuating material, or from a hard porous noise-attenuating material, or from “Rockwool” mineral wool on basalt base, or “URSA” mineral wool, or basalt wool of P-75 type, or from a glass wool with a glass felt, or from a foamed polymer, wherein the sound absorbing element over its entire surface is lined with an acoustically transparent material.EFFECT: higher efficiency of noise silencing.1 cl, 2 dwg
Aerodynamic release damper // 2606027
FIELD: acoustics.SUBSTANCE: invention relates to means of silencing aerodynamic noise of pneumatic equipment and compressed gas or air release systems. Noise silencer comprises an inlet branch pipe and a rigidly coupled thereto housing made of a porous material, the housing comprises a branch pipe made in the form of one of side covers of the housing. Noise absorbing element is made from cermet with a degree of porosity within the range of optimal values 30…45 %, or as a layered and cross winding from porous threads wound on an acoustically transparent frame, for example, a wire frame, or from a hard porous noise-attenuating material, for example, metal-foam plastic or stone-shell.EFFECT: higher efficiency of noise silencing.1 cl, 2 dwg
Combined noise silencer // 2606021
FIELD: acoustics.SUBSTANCE: invention relates to noise suppression. Silencer contains cylindrical casing, rigidly connected with end inlet and outlet nozzles, with central partition, from inside housing is lined with sound absorbing material, and central partition is made in form of perforated pipe rigidly connected on one side with inlet branch pipe, and on other with ring of L-shaped profile, forming annular gap with casing inner surface with circular slot, wherein gap is filled with sound absorbing material.EFFECT: higher efficiency of noise suppression.1 cl, 2 dwg
Kochetov's sound-absorbing structure // 2606018
FIELD: acoustics.SUBSTANCE: invention relates to industrial acoustics. Sound absorbing element is made in form of external and internal perforated walls, between which acoustic absorber is placed, consisting of three layers of sound-absorbing material, wherein first layer is more rigid, solid and profiled and is fixed on outer surface, the second layer is softer than first one, it is intermittent and placed in focus of sound reflecting surfaces of first layer, wherein first layer is more rigid, solid and made profiled, and second layer is softer than first one and is intermittent and placed in focus of sound reflecting surfaces of first layer, and third layer is made of foamed sound absorbing material and located between first, more rigid layer, and perforated surface. Discontinuous sound-absorbing layer located in focus of solid profiled layer is made in form of bodies of revolution and is secured by means of rods parallel to perforated surfaces, which are rigidly connected to each other by means of vertical, perpendicular fasteners, one end of which is rigidly fixed on smooth surface, and second one is made in form of clamp enclosing rod and tightening it with screw.EFFECT: high efficiency of soundproofing at low and medium frequencies.1 cl, 2 dwg
Impingement cooling of turbine blades or vanes // 2606004
FIELD: turbines.SUBSTANCE: turbine assembly comprises a basically hollow aerofoil, at least a wall segment arranged at a side of hollow aerofoil oriented basically perpendicular to a span wise direction of hollow aerofoil, and with at least an insertion aperture in at least one wall segment providing access to hollow aerofoil and at least an impingement tube to be inserted via insertion aperture in wall segment into hollow aerofoil to be located within hollow aerofoil and extending in at least span wise direction of hollow aerofoil. In an assembled state of impingement tube in hollow aerofoil at least a protrusion section of impingement tube extends in a direction oriented basically perpendicular to span wise direction over an edge of insertion aperture in wall segment. Protrusion section is overlapped by at least a part of wall segment. Adjacent to protrusion section an overlap section of impingement tube is arranged which abuts edge of insertion aperture in wall segment. Protrusion section and overlap section are formed integrally with each other in one piece.EFFECT: invention is aimed at improving cooling efficiency and ease of assembly of impingement cooling tube.14 cl, 5 dwg
Internal combustion engine // 2605994
FIELD: machine building.SUBSTANCE: invention relates to power engineering and can be used in power industry, as well as in ship building, automobile aircraft and other transport industries. Internal combustion engine comprises a housing, air intake branch pipe, shaft kinematically connected to the shaft of an electric generator, combustion chamber, fuel burner, compressor. Engine is additionally equipped with two flanges with external bearings, rectangular nozzles, gear with external teeth, gear with internal teeth, shell with tubes fixed on the inner side of the shell and having holes and moving nozzles. Shaft is hollow and coupled with a combustion chamber. Gear with external teeth is rigidly fixed on the shaft. Gear with internal teeth is engaged with the gear with external teeth. Shell with tubes is joined with the gear with internal teeth. Two flanges are made in the form of impellers with rigidly fixed fuel burner and are located inside the shaft. Shaft is coupled with the combustion chamber and electric generator and rotates on bearings flanges. Air intake branch pipe is connected to the housing. Compressor's inlet is arranged in front of the air intake pipe. Compressor rotates on the bearing secured on the fuel burner. Compressor’s outlet via flanges in the form of impellers is connected to the first input of the combustion chamber, the second input of which is connected to the burner output. Combustion chamber is made in the form of hollow spheroid, along external perimeter of which there are holes, coupled with rectangular bent nozzles, each of which is located opposite the hole of the corresponding tube. Tube outlets are connected with moving nozzles.EFFECT: higher efficiency, reduced fuel consumption in transition modes of operation.1 cl, 2 dwg
Noise silencer of ejection type // 2605992
FIELD: acoustics.SUBSTANCE: invention relates to noise suppression. Silencer incorporates a housing, a nozzle and a receiving chamber, the nozzle is made conical with cut diameter D and is rigidly connected by means of an acoustically transparent stiff element with the housing to form gap Z, herewith the housing from inside is lined with a sound absorbing material coated with an acoustically transparent film. Housing is made from structural materials with applied onto its surfaces on one or two sides a layer of a soft vibration dampening material, for example, mastic VD-17, or material of “Gerlen-D” type. Noise-attenuating material is made from “Rockwool” mineral wool on basalt base, or “URSA” mineral wool, or P-75 type basalt wool, or from a glass wool with a glass felt, or from a foamed polymer, for example, polyethylene or polypropylene, herewith the sound absorbing element over its entire surface is lined with an acoustically transparent material, for example, EZ-100 type glass fabric or “Poviden” polymer.EFFECT: higher efficiency of noise silencing.1 cl, 2 dwg

Power plant combined-cycle plant // 2605879
FIELD: energy.SUBSTANCE: invention relates to power engineering. Power plant combined-cycle plant comprises gas-turbine plant consisting of gas turbine, turbo compressor, combustion chamber and electric generator, waste heat boiler, steam turbine plant, consisting of steam turbine with condenser, electric generator and feedwater pump, circulation water supply system, including circulation pump, pressure pipeline to steam turbine condenser, drain pressure pipeline to cooling tower consisting of stack and water-collecting pool, annular channel located on gas turbine plant combustion chamber outer side, pipeline connecting external annular channel with water steam spent in steam turbine high pressure cylinder take-off branch pipe, pipeline connecting annular channel with steam supply into steam turbine low pressure cylinder branch pipe.EFFECT: higher reliability and efficiency of power plant combined-cycle plant by increasing water steam dryness degree and disposable head in steam turbine low-pressure part and reduction of compression operation in turbine compressor due to supply of additional heat to steam in annular channel located on gas turbine plant combustion chamber outer side.1 cl, 1 dwg

Turbo-expansion system of heat utilization of circulating water on condensation units of steam turbines of thermal power station // 2605878
FIELD: power engineering.SUBSTANCE: invention relates to power engineering. Turbo-expansion system of heat utilization of circulating water running after a condensation steam turbine condenser to a cooling tower or a spray cooling pond comprising a circulating pump, circulating water pipelines, a condenser, cooling towers or a spray cooling pond, a heat exchanger, a turbine expander, an electric generator. Herewith the heat exchanger installed after the turbine expander is connected via the heating heat carrier to the pipeline of circulating water discharge from the condenser. Also, the system includes a gas-turbine plant, the air compressor of which is connected to the turbine expander and the gas turbine is connected with the electric generator, a main gas heater connected via the heating medium to the pipeline of waste gases discharge from the gas-turbine plant and a delivery water heater also connected to the pipeline of waste gases discharge from the gas-turbine plant.EFFECT: invention allows reducing heat emissions of a thermal power station into the atmosphere at simultaneous generation of additional electric power.1 cl, 1 dwg
 
2550809.
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