Hot-gas or combustion-product positive-displacement engine plants and use of waste heat of combustion engines, not otherwise provided for (F02G)

F02G              Hot-gas or combustion-product positive-displacement engine plants (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid f01k; gas-turbine plants f02c; jet-propulsion plants f02k); use of waste heat of combustion engines, not otherwise provided for(717)

ethod of controlling the level of charging the pneumatic accumulator of a two-motor engine with external combustion chamber // 2641998
FIELD: engines.SUBSTANCE: invention relates to two-stroke engines with an external combustion chamber. Concept of the invention consists in the fact that a two-stroke engine with an external combustion chamber includes a pneumatic accumulator, control system and a valve to release excess air into the atmosphere. To match the level of charging of the accumulator with the engine power set and the optimum excess air factor, the control system opens the valve for discharging excess air into the atmosphere at the time. When the pressure in the pneumatic accumulator reaches a level, at which the required pressure of air supplied to the external combustion chamber is ensured.EFFECT: technical result consists in higher engine efficiency.1 cl, 1 dwg

Exhaust gas utilisation system, particularly for automobile comprising feed pump // 2641809
FIELD: engines and pumps.SUBSTANCE: exhaust gas utilisation system for automobile with internal combustion engine comprises the feed pump. According to the invention, at least one temperature sensor (TG, TA) is installed in the exhaust gas system for direct or indirect determination of actual temperature of the working medium. At least one said temperature sensor (TG, TA) is connected to a control unit (S) for controlling the pump drive. In the control unit (S), at least one limit value for the temperature is set, with which the actual value of the working medium temperature is compared. When the limit value of the temperature is not reached by the control unit (S), the pump drive and the pump feed are switched off, and if this limit value exceeds or at least one limit value is exceeded by a given value which is higher than the second limit value of the temperature, the pump drive and the pump feed are switched on.EFFECT: invention provides the use of exhaust gases to protect the feed pump from damage at low temperatures.21 cl, 3 dwg

Vehicle engine (versions) and vehicle comprising such engine // 2641181
FIELD: transportation.SUBSTANCE: engine comprises an engine oil reservoir, an exhaust system, and a thermoelectric device. The exhaust system is made with the possibility to remove exhaust gas from the engine, and the thermoelectric device is connected to a power source and has a hot and a cold side. The hot side interacts with the exhaust engine gas, and the cold one - with the engine oil reservoir. The engine oil reservoir has an inner surface portion including one or more fins facilitating heat exchange with the thermoelectric device. The vehicle engine versions and the vehicle are disclosed.EFFECT: increasing the fuel economy and increasing the speed of warming up the vehicle engine.37 cl, 1 dwg
Operating method of internal combustion engine with heat regeneration in cycle and motor used for its implementation // 2641180
FIELD: engines and pumps.SUBSTANCE: in an engine containing at least two cylinders, the air is compressed in a compressor cylinder, it is transferred through a heat exchanger where heat is regenerated from the combustion products, into the working cylinder, in which the fuel is injected, its combustion with carrying out of expansion work. The presence of a system for monitoring and maintaining the pressure in the air circuit of the heat exchanger is new for carrying out the thermodynamic cycle and ensuring the engine's operability. The system for maintaining the pressure in the air circuit of the heat exchanger includes an occasional pumping compressor, a compressed air receiver, and system monitoring and control equipment.EFFECT: increase in the efficiency of the internal combustion engine.4 cl, 3 dwg

ethod of providing functionment of tandemic two-total engine with energy of combustion products from general external combustion chamber and compressed air energy from general pneumatic accumulator // 2638242
FIELD: engines and pumps.SUBSTANCE: two-stroke engine consists of three power units with a common for all blocks of the external combustion chamber and a common pneumatic accumulator with a start-up valve. Each power unit includes a cylinder with a power piston and an intake valve, a cylinder with a compressor piston and check valves and a crankshaft. The crankshaft of the power piston is deployed in relation to the crankshaft of the piston of the compressor piston for a half-turn. Three power units are combined in a tandem in such a way that the geometric axes of their crankshafts are located on the same geometric axis. In turn, the crankshaft of each power unit is deployed relative to the other power block by one-third of the turnaround. General pneumatic accumulator and trigger valve is connected to another network through a non-return valves all power blocs, and the products of combustion of common external combustion chamber is connected by a channel with inlet valves all power blocs.EFFECT: increased engine efficiency.1 dwg

Device to control turbocharged internal combustion engine // 2635425
FIELD: engines and pumps.SUBSTANCE: device comprises a turbocharger (1) with a turbine (2) and a compressor (3), which outlet is connected through a cooler (4), and a throttle valve 5 with inlet manifold (6) of the engine, a catalyst (9) installed after the turbine (2) and before heat exchanger (10), a steam turbine (15), which inlet communicates with the outlet of the heat exchanger (10), and an outlet connected to capacitor input (16), which output is connected to reservoir input (18), a pump (19) connected between the reservoir (18) and heat exchanger (10). The device also includes a separator (20) connected to the outlet of the heat exchanger (10) and which condensate outlet is connected to the reservoir (18), and steam outlet connected through a check valve (21) to steam accumulator (22), which first outlet is communicated with steam turbine inlet (15) through adjustable steam damper (23), and a second output connected through check valve (17) to the capacitor input (16). The steam turbine (15) is arranged on a common shaft with turbosupercharger (1). To control the turbocharge, the device includes in a combined information line (26) a control unit (11) and controller (25) of steam turbine control which receives information signals from throttle sensor (27), temperature and pressure sensors (12, 28), on the basis of which the control signals delivered to throttle valve (5), controlled steam damper (23) and the pump (15) are generated.EFFECT: efficiency and engine intake are improved.1 dwg

ethod for ensuring operation of tandem two-stroke engine with energy of combustion products from common external combustion chamber // 2631179
FIELD: engine devices and pumps.SUBSTANCE: tandem two-stroke engine with a common external combustion chamber (hereinafter tandem engine) represents an assembly consisting of the common external combustion chamber and three identical blocks. One channel connects start valves of each block with an air inlet into common external combustion chamber, and the other channel connects the output of combustion products from the common external combustion chamber to the combustion products intake valves of the power piston of each block of the tandem two-stroke engine. All units are combined in tandem so that geometric axes of their crankshafts are located on one geometric axis, and cranks of each of them are turned relative to each other by one third of crankshaft turn.EFFECT: higher efficiency of engine operation.1 dwg

Expedition generator // 2630364
FIELD: electricity.SUBSTANCE: expedition generator comprises a heat exchange housing. The heat exchange housing is made in the form of a hollow airtight cylinder. Along the longitudinal axis of the airtight cylinder, on the inside, there are an alternator, a working cylinder with a piston, and a displacer. The displacer is made in the form of a hollow cylinder. One end wall of the displacer has a cylindrical recess repeating the working cylinder in shape. In the deepest part of the recess, the displacer wall has openings for the working fluid exchange between the working cylinder and the buffer capacity. The buffer capacity is located inside the displacer. The winding of the alternator stator can be located inside the walls of the working cylinder or the heat exchange cylinder. The moving magnetic poles of the alternator are located on the working piston. The displacer may comprise a regenerator. The heat exchange housing may comprise a regenerator.EFFECT: reducing the overall dimensions and mass of the generator while maintaining the working volume and pressure of the working fluid.6 cl, 4 dwg

Electric generating set with stirling engine // 2629588
FIELD: electricity.SUBSTANCE: electric generating linear oscillator with Stirling engine of a Fluidyne type is offered. Water is used in the function of the actuating fluid of a displacing piston 3, and the ferrofluid is used in the function of the actuating fluid of a actuating piston 2. The hot space 5 seizes the one end upside of the U-pipe 1 of the displacer piston, and the cold space 6 seizes the second end upside of the U-pipe 1 of the displacer piston and one U-pipe 2 angle upside of the actuating piston. The hot gas commutate down the channel 7 during engine work between hot 5 and cold 6 spaces. There is a ring-type constant magnet 9 on the actuating piston 4 U-pipe free angle. The electric generating linear oscillator 8 is concentric positioned from the outside of the actuating piston U-pipe in the actuating piston 4 moving area within the magnet field that is under formation of the constant magnet 9.EFFECT: design simplification and electric generating set with stirling engine operational life improvement.1 dwg

Heat engine // 2629526
FIELD: engine devices and pumps.SUBSTANCE: engine contains two pairs of cylinders located opposite to the crankshaft. The cylinder stems interact with the crankshaft. The working agent, for example air, comes from the feeder to the heat exchanger of the first pair, which outlet is connected to the cavity of the first working cylinder. The outlet of the cavity of the first working cylinder is connected to the cooler. The cavity of the discharging cylinder of the first pair has an inlet connected to the cooler outlet and an outlet port connected to the heat exchanger inlet of the second pair of cylinders. The outlet of the second heat exchanger is connected to the inlet of the working cylinder of the second pair. The discharging cylinder of the second pair, connected to it through the crankshaft, has an inlet connected to the coolant outlet and an outlet port connected to the inlet of the heat exchanger of the first pair.EFFECT: stable circulation of the working agent in a closed system, that increases the reliability of the engine, possibility of using the engine under the conditions of limited consumption or exclusion of airflow, and increased environmental friendliness due to the absence of exhaust.2 dwg

External combustion engine piston drive // 2627760
FIELD: engines and pumps.SUBSTANCE: on the inner cylindrical surface of the oblique washer there are leading surfaces in the form of a groove, and the outer cylindrical surface for removing the power has fastenings for permanent magnets of the rotor electric current generator. The unfolding of the grooves guide on the inner and outer cylindrical surfaces of the oblique washer is a sinusoid. The grooves of the inner cylindrical surface are cyclically rolled by the rollers entering the grooves or fingers of two pairs of opposing piston rods inside the oblique washer, and grooves of the outer cylindrical surface are rolled by rollers or fingers of the power take-off mechanisms. The opposing ends of the rods can carry pistons, working and displacing, or counterbalancing weights, passive or active. One of the opposite pairs of pistons can serve as a heat pump, when the pistons' motions of the motor and heat pump pairs balance each other. A phase displacement of the working and displacing pistons is possible. The engine has a symmetrical body, two opposing parts of which are connected by flanges of the crankcase into a single hermetic unit, which allows to maintain the high pressure of the gas working medium longer.EFFECT: mechanism downsizing.50 dwg

Internal combustion engine // 2626608
FIELD: engines and pumps.SUBSTANCE: due to standard design of the crankshaft (6) having counterweights (30), as it rotates, the distance from the surface of the counterweight (30) to the alternating current (31) constantly changes, so the magnetic resistance also varies according to the periodic law. The magnitude of the magnetic excitation flux, passing through the counterweight (30) and reaching the alternating current winding (31), varies according to the periodic law. The magnitude of the EMF, induced by the magnetic excitation flux in the alternating current winding (31) changes. The alternating current due to said EMF enters the load.EFFECT: expansion of the functional range of the internal combustion engine.4 dwg

ethod of engine operation // 2625889
FIELD: engine devices and pumps.SUBSTANCE: exhaust gas is discharged only on a part of the stroke, and on the other internal recirculation is performed by compressing recirculating portion of exhaust gas. Air is fed into the combustion chamber with the pressure and temperature of compression final stage. Charge of air is heated up to the flash point of fuel due to the heat from the compression of exhaust gas recirculating part, whereupon fuel is injected on the first stroke, the combustion of working mixture is performed, and then, during its expansion, cyclic injection of compressed air and fuel, the combustion and expansion of the whole working mixture amount are performed until the end of the first stroke. Wherein, depending on the operation mode of engine, both the quantitative ratio of air and fuel portions, and their cyclicity, and also the quantity of recirculating portion of exhaust gas are regulated.EFFECT: improving the economy when simplifying the design.2 dwg

Rotary stirling engine // 2625071
FIELD: engines and pumps.SUBSTANCE: engine contains two rotors on one shaft. The rotor consists of a cylinder, integrated with the washer, and rotates in a cylindrical housing with radial slots made therein. Plates with cutouts are mounted in the slots, placed on the rotor washer, with the possibility of moving back and forth along the axis of the engine when the rotor rotates. In this case, the rotor, plates and housing form variable volumes in which the working cycles occur. Each of the volumes formed around one rotor is connected by channels with variable volumes formed around the other rotor. Channels connect volumes located with a shift of 90 degrees relative to one another, and one rotor is rotated by 180 degrees relative to the other rotor.EFFECT: higher efficiency of engine operation.2 dwg

Internal combustion engine control unit // 2623598
FIELD: engines and pumps.SUBSTANCE: engine comprises a turbocharger (1) having a turbine (2) and a compressor (3) which output through the cooler (4) and the first throttle flap (5) connects with the intake manifold (6) of the internal combustion engine (7), the catalyzator (15) installed in the exhaust path (18) of the internal combustion engine (7), a gas turbine engine (17) which fuel supply inlet through the non-return valve (43) connects with the outlet of the turbine (2) and the outlet connects with the inlet of the catalyzator (15). At the air supply inlet of the gas turbine engine (17), the second throttle flap (19) is installed, and a bypass valve (29) is installed between the fuel supply inlet and the gas turbine engine outlet. A reducer (21) is connected to the power take-off shaft of the gas turbine engine (17), whereto the rotor of the reversible electric machine (22) is connected, where to an inverter (23) and an electric energy storage (24) are connected in series. The catalyzator (15) has a heater (25) connected to the heater control module (26), which is connected to the output of the inverter (23) and to the heater (25). The device also includes a control unit (11), to which inputs a group of temperature and pressure sensors (12, 27, 38), exhaust emission control sensors (14, 28) and an accelerator sensor (16) are connected. The control outputs of the control unit (11) are connected to the throttle flaps (5, 19), the bypass valves (9, 29), the heater control module (26) and the inverter (23).EFFECT: increased efficiency of the engine operation and reduced emission of harmful substances.6 cl, 1 dwg

ethod for recovery of heat engine and heat recovery system for engine (versions) // 2623337
FIELD: machine engineering.SUBSTANCE: heat recovery method for an engine includes a reduction in the volume of circulating heat transfer fluid. Draining the heat storage device for heating the engine component. As well as the distribution of the circulating heat transfer fluid through the one or more systems of the engine. The options for heat recovery system for the engine are also disclosed.EFFECT: ensuring the availability of accumulated heat from the engine prior work at startup to provide fast warm-up of various components of the engine.20 cl, 5 dwg

Closed circuit system for the waste heat recovery (versions) and method of waste heat recovery // 2622350
FIELD: heating.SUBSTANCE: closed circuit system for the waste heat recovery includes heat exchanger, expander, recuperator, condensing unit and pump. The heat exchanger is configured to transfer the heat from the external heat source to the working fluid. The expander is in flowing connection to the heat exchanger outlet and is designed to expand the working fluid and produce the mechanical energy. The recuperator is in flowing connection to the expander outlet and is designed to remove the heat from the working fluid. The condensing unit is in flowing connection to the recuperator outlet and is designed to condense the working fluid. The indicated condensing unit contains the multi-stage compressor, which is in flowing connection to the first cooling device and the second cooling device. The first cooling device is located upstream the multi-stage compressor. The second cooling device is located downstream the mentioned multi-stage compressor. The condensing unit is configured to change the working fluid state with transfer to the supercritical state. The pump is in flowing connection to the condensing unit outlet and is configured to inject the condensed working fluid back into the recuperator. The recuperator is in flowing connection to the heat exchanger, so that the working fluid follows along the closed path. The stated heat recovery system can operate with the relatively large ratio of the recovery cycle pressures, so that it becomes possible to use the cooling media with the lower temperatures and increase the energy efficiency of the heat recovery cycle due to more efficient heat exchange, as well as due to reduction of energy consumption by the pump.EFFECT: proposed system allows to reduce the unit cost of recovered heat by increasing the thermodynamic efficiency of the heat recovery cycle.12cl, 8 dwg

Special fortification structure // 2620698
FIELD: construction.SUBSTANCE: in the full isolation mode, the power supply of a special fortification structure 1 is ensured by the operation of a gas diesel (standalone power station) 2. Thermostating is provided by the operation of the refrigerating machine 3 and the air conditioning system 4 connected thereto through the coolant circuit 5 with the pump 6. After cooling the gas-diesel engine 2 and the refrigerating machine 3, the process water is heated and drained into the reservoir of process water 9, which results in gradual increase in the entire mass of process water in the reservoir 9. For the gasification of liquefied natural gas supplied from the reservoir 12 to the heat exchanger-evaporator 13, the supply of process water from the process water reservoir 9 is provided to the heat exchanger-evaporator 13 via the main line 19 by the pump 20. Warm process water from the process water reservoir 9 passes through the heat exchanger-evaporator 13, gives its heat (through the heat exchange surface) to the liquefied natural gas, as a result of which the warm process water is cooled, and the cold process water enters the process water reservoir 9. As a result of this process, the process water temperature in the process water reservoir 9, which was obtained by cooling the gas-diesel engine 2 and the refrigerating machine 3, is substantially reduced, which ensures maintaining the refrigeration potential of the process water in the reservoir 9.EFFECT: extending the functioning time of a special fortification structure, maintaining the refrigeration potential of process water used for cooling the standalone power station and the refrigerating machine in the mode of full isolation due to cooling while gasifying the liquefied natural gas, reducing the concentration of harmful components in exhaust gases due to switching the standalone power station to the gas diesel engine operation mode, increasing the drain-free LNG storage due to accommodating the tank in a room with a heat-insulating layer.1 dwg

Piston engine // 2619516
FIELD: engines and pumps.SUBSTANCE: engine contains cylinder block, connecting rod and piston groups working for the main crank shaft, gas distribution systems including self-acting valves, receiver and pipeline system. Additionally the cylinder block comprises of, at least, one pressure cylinder and one expansion cylinder with, at least, one normally open self-acting valve and exhaust windows. The pressure cylinder is communicated with the expansion cylinder through a receiver over the pipeline system. Wherein, the receiver is additionally linked to a high-pressure bottle through a regulator valve.EFFECT: allows effective and reliable functioning of power units in vehicles with ecologically clean exhaust.1 dwg

ethod and device for heat recovery and its transformation into mechanical power in drive system of vehicle // 2618803
FIELD: transportation.SUBSTANCE: extending in a circulation loop operating means is evaporated by at least one integrated in the circulation loop operating means evaporator, using waste heat from the internal combustion engine of a vehicle, wherein the generated steam is supplied in connected with the internal combustion engine expander, and then the exhaust steam from the expander is transferred back to at least one condenser to the liquid phase again. The circulation loop operating means downstream of the at least one evaporator, integrated with at least one controllable and/or adjustable by a control and/or regulating device valve, and a steam battery, so that, in particular, when not required drive power expander, and/or running without combustion of the internal combustion engine, formed by pairs, preferably simultaneously closed expander, at least partially fed to a steam accumulator, and the accumulated steam to the accumulator steam, preferably immediately after a phase of accumulation of steam at the required drive power of the expander and/or during operation with an internal combustion engine fuel, where combustion is at least partially fed back again into the circulation.EFFECT: invention improves the efficiency of the drive system.29 cl, 8 dwg

Device for removing carbon dioxide // 2616136
FIELD: machine engineering.SUBSTANCE: device to remove carbon dioxide, operable at a working gas pressure of 1.6-2.0 MPa, the compressor includes sequentially set to generate a pressure of said inlet for supply of exhaust gases, the exhaust gases of high pressure refrigerant with inlet and outlet of the seawater, drier-adsorber unit of carbon dioxide condensation and separation of the liquid CO2 with two cooling chambers, the pressure reduction device coupled to the mixer cold streams, and storage capacity of liquid CO2 and insulated piping with fittings, comprising controlled valves. The first cooling chamber unit condensation and separation, performed with the input for supplying the liquid oxygen is connected at its output to a second input of the mixer cold flows whose output is connected to the second cooling chamber unit condensation and separation performed with an outlet for removing the gas mixture from the apparatus, characterized in that the device is designed to operate at a working gas pressure of 1.2-1.6 MPa and a heat exchanger provided with an evaporator, which is configured to supply inlet cryogenic liquid fuel from storage tank and an outlet for discharging fuel gas from the apparatus and placed in front of condensation and separation unit, which is designed as a three-chamber separator, condenser, cooling chamber of which is adapted to the separation of liquid CO2 and is provided with an output for discharging liquid CO2, connected to a storage tank of liquid CO2, with its input connected to the cooling chamber, an evaporator heat exchanger, and the gaseous phase outlet through a pressure reduction device in the form of a turboexpander, it is connected to the first input of the mixer cold streams.EFFECT: reduced costs of available capacity and increase efficiency.9 cl, 2 dwg

Device for removing carbon dioxide // 2615042
FIELD: machine engineering.SUBSTANCE: device to remove carbon dioxide, operable at a working gas pressure of 1.6-2.0 MPa, the compressor includes sequentially set to generate a pressure of said inlet for supply of exhaust gases, the exhaust gases of high pressure refrigerant with inlet and outlet of the seawater, drier-adsorber unit of carbon dioxide condensation and separation of the liquid CO2 with two cooling chambers, the pressure reduction device coupled to the mixer cold streams, and storage capacity of liquid CO2 and insulated piping with fittings, comprising controlled valves. The first cooling chamber unit condensation and separation, performed with the input for supplying the liquid oxygen connected at its output to a second input of the mixer cold flows whose output is connected to an input of the second cooling chamber unit condensation and separation performed with an outlet for removing the gas mixture from the device. Condensation and separation unit is designed as a three-chamber separator, condenser, cooling chamber which is adapted to the separation of liquid CO2 and is provided with an outlet for removal of liquid CO2 connected to the storage tanks of liquid CO2, With its input connected to the cooling chamber, adsorbing moist separator and the gaseous phase outlet through a pressure reduction device in the form of a turboexpander, it is connected to the first input of the mixer cold streams.EFFECT: increase of reliability, reduction of weight and size characteristics and increased efficiency.8 cl, 2 dwg
Energy saving appliance // 2610649
FIELD: physics, instrumentation.SUBSTANCE: invention refers to technical means (TM) comprising a heat engine (HE) operated at low ambient temperatures. The TM contains a thermal insulation capsule, equipped with service, ventilation hatches, hatch covers and an outlet port with a valve, as well as HE cooling system radiator, battery and heat preparation device located in the HE capsule. The heat preparation device is configured to generate electricity and heat during catalytic combustion of hydrocarbon fuels. The heat preparation device comprises an air blower with electric drive and air inlet, a combustor, a catalyst, a thermoelectric converter, a thermoelectric catalyst heater, an outlet pipe. The air blower electric drive, the thermoelectric converter and the thermoelectric catalyst heater are configured for electrical connection with battery terminals. The output mouth of the discharge pipe is located in the cavity of the capsule, the air blower intake is arranged on the outer surface of the capsule. The heat preparation device is provided with a heat exchanger arranged to transfer the part of the heat generated by the HE heat preparation device.EFFECT: invention provides a quick HE start-up after a long TM outage at low ambient temperatures.8 cl, 5 tbl

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

ethod of controlling total ballast load in autonomous multi-modular electric power plant based on stirling engines // 2606979
FIELD: energy.SUBSTANCE: invention relates to power engineering and electrical engineering and can be used in devices for conversion of thermodynamic energy into electric energy, used as a source of electric power in power supply systems of independent electrical power systems. Method of controlling total ballast load in autonomous multi-modular electric power generation plant based on Stirling engines, comprising m generation modules, each of which includes free piston Stirling engine with integrated linear generator and rectifier, outputs of which are connected in parallel and form a DC bus, to which are connected accumulator battery, payload and a common unit of ballast load consists in following: measuring voltages and currents of each linear generator and payload, further, based on measured values of voltages and currents of each linear generator, calculating active power with subsequent summation; calculating current value of payload power, generating a signal of ratio of calculated payload power to total power of linear generators, comparing measured value of output voltage of payload with reference voltage, processing resultant signal by means of unit of correcting device on basis of proportional-integrating regulator; summation of output signal of proportional-integrating regulator with a signal of ratio of calculated load power to total power of generators, forming an error signal, transmitted to one of inputs of a comparator, and to other comparator input is transmitted stepped ramp voltage, formed by an event manager of a DSP controller. At output of comparator is formed a wide-pulse modulated signal, which is transmitted to transistor control driver of ballast load.EFFECT: high dynamic accuracy and stability of wide-pulse controller of common unit of ballast load with simultaneous provision of stability of voltage at DC bus in transient and steady-state operating modes of autonomous power supply system.3 cl, 5 dwg

Device for obtaining electric energy from ambient heat // 2605864
FIELD: power engineering.SUBSTANCE: invention relates to low-power engineering. Device for obtaining electric energy from ambient heat consists of a piston engine, a pipeline with a regenerator, a working medium, an electric current generator, a tank with a tubular water dispenser, a drop-film sprinkler, ball valves, a lithium-ion battery, an electronic control unit and a starter. Device is made in the form of a two-cylinder Stirling engine with a hot and a cold cylinders. Head of the hot cylinder is connected by hollow tubes with a heater. Outlet of the hot cylinder is connected to the pipeline with the regenerator mounted in it. Inside the regenerator there is a wire matrix. Outlet of the regenerator through the pipeline is connected to the cold cylinder chamber. Cold cylinder is equipped with a water evaporation cooling system consisting of two mini-coolers, a tank, a tubular water dispenser with a drop-film sprinkler. Head of the cold cylinder is connected through a thermal grease with a unit of heat tubes discharging heat from the cylinder body with the help of a radiator-refrigerator permanently wetted with water in the two mini-coolers. Hot and cold cylinders are equipped with aligned pressure and temperature sensors.EFFECT: technical result is improvement of cost effectiveness and efficiency.10 cl, 2 dwg

Cesspoolage truck safety valves heating device by means of exhaust gases // 2603876
FIELD: machine building.SUBSTANCE: invention relates to machine building, namely to cesspoolage trucks (for example, KO-505A) heating system, in particular, to tank safety valves heating. Proposed device comprises heat exchangers, which consist of housings, which maintain heat exchangers 3 form, and from combined heat-insulating materials (based on mineral wool, glass wool or foamed rubber), each heat exchanger 3 is connected to exhaust system, via flexible hose 6 and each heat exchanger 3 has solenoid valve 7, which directs exhaust gases flow to atmosphere or into intake hose or is closed. For implementation of condensate drain there is coaxial tank with valve heated by exhaust gases.EFFECT: technical result is expansion of temperature conditions for cesspoolage truck operation.4 cl, 1 dwg

Two-stroke engine of internal heating // 2603504
FIELD: engines.SUBSTANCE: invention relates to engine construction. Two-stroke engine of internal heating includes a casing, a crankshaft, piston-rods, pistons, a cover of cylinders, an electronic current interruption unit, lubrication and cooling system, as well as batteries. To the casing attached are round with through openings hollow cylinders. On the cover of the cylinders bushings are installed. Outside the bushings via an electrically insulating and tight housing current conductors pass, thus being connected in the volume of the cylinders with an electric heater. Unit of current interruption is connected by wires with the battery, the current conductors and the crankshaft position sensor. Engine is equipped with fixed to the cylinder block identical two-flow heat exchangers. Each heat exchanger with one open side of the volume of the tubular space is connected by a flange joint with an opening made at a calculated distance from lower end of the cylinder. Second open side of the volume of the tubular space at each heat exchanger is connected by a flange joint with a two-stage cylinder. In the volume of the two-stage cylinder inserted are corresponding to diameters of the cylinder stages two pistons. Working volume of the cylinder of the smaller diameter is part of the volume of the compensating circuit.EFFECT: technical result is higher capacity, safety and efficiency of the engine.1 cl, 3 dwg

Waste heat recovery system for pump system // 2603203
FIELD: engines and pumps.SUBSTANCE: invention can be used in pump systems with internal combustion engine for pumping of liquids. System (10) includes internal combustion engine (28), generator (29), driven by internal combustion engine, and pump unit (12), powered by generator (29). Pump unit (12) includes first pump (24A) configured to obtain first liquid component, second pump (24B) configured to obtain second liquid component, manifold (22) configured to receive first and second liquid components from first and second pumps (24A), (24B), dispensing device, receiving first and second liquid components from manifold (22), and heat recuperation system. Dispenser comprises mixing head, mixing first and second liquid components. Heat regeneration system provides thermal coupling of internal combustion engine (28) with pump unit (12). Heat recuperation system produces heat generated by internal combustion engine (28), and sends extracted heat to pump unit (12) for separate heating of first liquid component and second liquid component before mixing first and second liquid components by means of mixing head. Disclosed are versions of systems design.EFFECT: technical result consists in improvement of waste heat recovery.36 cl, 3 dwg

Engine-generator device of block-container type with function of connection of pipes // 2601677
FIELD: machine building.SUBSTANCE: invention relates to machine building, namely to devices for repeated use of waste heat. Engine-generator device of block-container type comprises container 20 for generator including engine 21 and 22 generator. Container 1 is designed for utilization of exhaust heat, in which steam or hot water are generated by recuperation of exhaust heat of engine 21. Engine-generator device of block-container type is formed by arranging corresponding containers 1 and 20 in parallel in the direction of larger length, arrangement of longer walls 1b and 20b of both containers 1 and 20 so that they face each other. Both containers 1 and 20 are connected by means of multiple pipes 7a, 7b and 26a, 26b between places facing each other.EFFECT: in accurate connection of pipe systems containers, as well as reduction of dimensions.5 cl, 12 dwg

Container for recycling of waste heat, using composite heat of engine designed for electric power generation // 2601673
FIELD: machine building.SUBSTANCE: invention relates to machine building, namely to devices for repeated use of waste heat. Container 1 for repeated use of waste heat is located near container for energy generation. Container for energy generation includes radiator, engine and power generator. Container 1 for repeated use of waste heat receives waste heat of engine and generates steam or hot water. Length of container 1 for repeated use of waste heat is less than length of container for energy generation. Container 1 for repeated use of waste heat also includes damper 2, which dampens noise of engine exhaust gas, boiler 4, which transfers heat of exhaust gas to water and generates steam and heat exchanger 3, which transfers heat of cooling water heated by engine to water and generates hot water.EFFECT: increase of operating performances of mounted devices, as well as reduction of dimensions.7 cl, 14 dwg

Block-container // 2601668
FIELD: machine building.SUBSTANCE: invention relates to machine building, namely to devices for repeated use of waste heat. Block-container comprises container 20 for generator. In container 20 engine 21 is located and one or multiple radiators at one side of engine 21 in lengthwise direction of container 20. Container 1 for utilization of exhaust heat is designed for utilization of exhaust heat of engine 21 and generation of steam or hot water. Container 20 for generator and container 1 for utilization of exhaust heat form a combined unit due to the fact that corresponding longer walls 1b and 20b face each other. In container 20 for generator with longer wall 20b (further referred to the opposite wall) on the side opposite to the facing wall, which faces container 1 for utilization of exhaust heat, concerned one or multiple radiators are arranged so that they are placed along the opposite surface.EFFECT: consists in provision of repairability and serviceability after mounting, as well as saving place.6 cl, 14 dwg

uffler-cleaner-electric generator for exhaust gases // 2601075
FIELD: manufacturing technology.SUBSTANCE: invention relates to internal combustion engines sound absorption and exhaust gases cleaning devices with simultaneous electric power generation. Summary of invention is that housing is equipped with diffuser and confuser accommodating vertical zigzag-shaped perforated containers, filled with pumice granules from metallurgical slags with gas channels creation between them. Housing, diffuser, confuser and detachable cover walls are made with longitudinal rectangular corrugations forming longitudinal rectangular seats, in which thermoelectric units are partially recessed, inside which zigzag rows of thermal emission converters are placed. Each zigzag rows thermionic converter is washed by ambient air, from outside thermoelectric units are interconnected in pairs by jumpers and electric capacitors, and first and last of said thermoelectric units electric capacitors are connected with current outputs.EFFECT: technical result is higher efficiency.1 cl, 7 dwg

Rotary engine // 2597708
FIELD: engines and pumps.SUBSTANCE: invention relates to rotor engines with external heat supply. Rotary engine comprises cylindrical housing, refrigerating device and external heat exchanging heater. Housing is made fixed, divided into two chambers with inlet and outlet openings, with two shafts installed on bearings. Each chamber houses two rotors. In compressor and engine housing by two rotors are arranged, parallel to each other and synchronized with the help of gearing. Engine is made with separate compression and expansion chambers. Rotors are arranged on two shafts, drive and driven, which are synchronized by tooth engagement in separate sealed chamber. Bearing assemblies are installed on shafts with tension. Units of inter-chamber and end seals are made in labyrinth design. Combustion of fuel-air mixture takes place at atmospheric pressure.EFFECT: higher engine efficiency and reliability.1 cl, 2 dwg

Combined piston-turbine internal combustion engine // 2596888
FIELD: engines and pumps.SUBSTANCE: invention relates to combined internal combustion engines (ICE). Present invention consists in that in outlet pipe of piston ICE is fitted with nozzle-injector operating in pulse mode, which sprays in high-temperature combustion products flow evaporating fluid, and turbine running on energy of steam-gas mixture. Evaporating liquid used can be liquefied carbon dioxide, air, alcohol, water, a mixture of water with an alcohol, etc. To provide operation of unit without large pulsations of outlet pipe is divided into multiple separate pipes of smaller cross-section located opposite working blades of turbine. To prevent propagation of steam-gas mixture pressure towards engine ahead of nozzles-injectors in discharge pipes are check valves, which are a rotary disc with holes for direct passing of exhaust gases.EFFECT: reduced heat losses and improved ecological compatibility.5 cl, 8 dwg

Heat engine // 2589557
FIELD: engines.SUBSTANCE: invention relates to engine technology. A non-compression engine comprises two or three variable volume mechanisms: a device 1 for intake and displacement and a device 2 for combustion and expansion, or a device 1 for intake and displacement, a device 2 for combustion and expansion and an atmospheric cooler 3. Working gas volume drawn into device 1, and then displaced into device 2 at a substantially constant volume, passes through a regenerator 5. Gas in device 2 is further heated by fuel combustion and then expanded to produce work. Gas then moves through regenerator 5 into atmospheric cooler 3 at a substantially constant volume or exits regenerator at constant pressure. Gas volume decreases in atmospheric cooler while performing atmospheric work. After equilibration of gas pressure with atmospheric pressure, said gas is released from atmospheric cooler 3.EFFECT: technical result is high efficiency.24 cl, 12 dwg

Exhaust gas heat recuperation device // 2588335
FIELD: engines and pumps.SUBSTANCE: invention can be used in devices for heat recuperation of exhaust gases of internal combustion engines. Device (12) of exhaust gas heat recuperation comprises first pipeline (16), through which exhaust gases of engine (14) are flowing, second pipeline (18), branched from first pipeline (16) and including heat recovery unit (26) allowing heat of exhaust gases act on heat carrier, valve element (34) and drive element (36). Valve element (34) is configured to control exhaust gas flow rate in second pipeline (18). Drive element (36) is located outside of contact with heat carrier flow circulation circuit and is equipped with energy for heating of wax in order to change volume of wax at actuation of valve element (34).EFFECT: reduced effect of heat on driven element from heat carrier.7 cl, 3 dwg

Device for controlling exhaust gas heat recuperation // 2585671
FIELD: engines.SUBSTANCE: invention can be used in internal combustion engines used on vehicles. Device (10) for controlling exhaust heat recovery includes a unit (16) for controlling recovered heat, configured to control amount of heat recovered from exhaust gas, exhaust gas heat recuperator (12), and control unit (14). Control unit (14) is configured to control unit (16) for controlling recoverable heat so as to prevent or eliminate freezing in exhaust pipe based on vehicle path data that sets a heat recovery control device of exhaust gases in prediction of freezing in exhaust pipe.EFFECT: technical result consists in prevention of freezing of water condensate at running vehicle and preventing reduction of engine power output and abnormalities of internal noise due to exhaust sound.4 cl, 6 dwg

Combined heat exchanger for cab heater and exhaust gas recycling system // 2580996
FIELD: engines.SUBSTANCE: invention relates to exhaust gas heat exchangers for internal combustion engines. Disclosed is an exhaust gas heat exchanger 11 for connection to flow of exhaust gases from a vehicle engine 5 having a plurality of channels 30 for redirecting exhaust gases and several coolant channels 32 for transferring heat from exhaust gases passing through exhaust gas heat exchanger 11 to coolant, which is used to supply heat to a vehicle cab. Exhaust gas heat exchanger 11 comprises an outlet 55, which enables to use cooled exhaust gases in a low-pressure exhaust gas recycling system 50. Exhaust gas heat exchanger 11 thus performs two functions - recovering heat energy for use in heater 2 of cab and cooling exhaust gases for use in low-pressure exhaust gas recycling system 50.EFFECT: invention enables recovery of residual heat of exhaust gases for heating a vehicle cab, allowing use of cooled exhaust gases in a low-pressure exhaust gas recycling system 50.15 cl, 9 dwg

Heat engine with valveless gas distribution (optional) // 2576077
FIELD: energy.SUBSTANCE: invention consists in that the heat engine comprises a cylinder head and the piston, a heater, a refrigerator, and a gas distribution cavity size exclusion mechanism. Head and the piston form a working chamber associated with the displacement cavity flue-channel nozzle. Flue gas-nozzle channel at the entrance of the process chamber forms a swirl of gas. Heater is composed by cylinder inner liner integrated with cylinder head. Refrigerator is composed by cylinder outer jacket. Exclusion in the body cavity located between the inner cylinder shell and coaxially planted on her outer cylinder. Gas distribution mechanism is designed as a swirl of the working gas, formed by tangentially directed flue-channel nozzle at the entrance to the cavity size exclusion. Heat engine with valveless gas distribution further comprises an activator - means for supplying plasma-activation energy of the working gas in the working chamber, which allows the closed inner loop "active" regeneration of the heat of compression.EFFECT: technical result is to increase efficiency.20 cl, 2 dwg

Thermal engine and its operation // 2575958
FIELD: engines and pumps.SUBSTANCE: invention relates to propulsion engineering. Thermal engine operation consists in cyclic variation of closed working spaces with working fluids that vary their parameters in cycles with the phase shift and in provision of heat communication there between by heat carrier driven into intermittent, cyclic displacement in said closed space, provision of heat interaction with said working fluid and transfer of heat extracted from one working fluid to the other working fluid added to the heat carrier heat. The heat carrier in every cycle is fed into the refrigerator and cooled to its temperature, heat carrier being fed into heat exchange carrier to allow the hear removal from the heat carrier compressing the working fluid.EFFECT: higher yield resulted from the difference between working fluid compression and expansion, simplified design, higher reliability.2 cl, 2 dwg

Steam power plant for underwater technical facility // 2573540
FIELD: power engineering.SUBSTANCE: steam power plant is equipped with an intermediate circuit with diathermic oil and a pump for its circulation, at the same time fluid for the steam circuit is organic fluid, the combustion chamber is made in the form of an oil boiler, the steam circuit is equipped with a heat-exchanger-recuperator, a heat-exchanger-evaporator and a pump, and the intermediate circuit with diathermic oil is located between the oil boiler and the steam circuit, and passes via the combustion space of the oil boiler and the heat-exchanger-evaporator of the steam circuit, besides, the manifold for spent gases removal is equipped with a bypass line with a control valve to supply some spent gases into the combustion space of the oil boiler and a booster compressor to supply some spent gases directly into a reservoir for dilution of spent gases in outer water, and an outer water manifold serially passes via a steam circuit steam condenser and a reservoir for dilution of spent gases in outer water.EFFECT: invention makes it possible to increase efficiency of power plant operation with low capacity of a steam turbine, reliability and long-term duration of a power plant as a whole, and also to reduce trace visibility during movement of an underwater technical facility.1 dwg

Power unit with turbine bypass and methods of its operation // 2573075
FIELD: power industry.SUBSTANCE: invention relates to power industry. The power unit contains engine with the exhaust line, turbine working to the exhaust line, bypass line connected with the exhaust line before the turbine and having the controlled bypass valve, and controller to control the bypass valve opening for the turbine bypass. The engine operates such, the power is transferred from the crankshaft to the turbine shaft and/or at least one of the following: engine load, engine speed, exhaust line pressure - is below the set values.EFFECT: invention improves efficiency of the power unit operation.12 cl, 2 dwg

Ice intake manifold supercharging system that exploits used gas energy // 2572154
FIELD: engines and pumps.SUBSTANCE: invention relates to propulsion engineering, namely, to turbo supercharged engines. Claimed system consists in that a coiled pipe is fitted in the engine discharge channel for water to be forced by the pump from service tank therein. Said water is heated by contact between coiled pipe and red-hot exhaust gas and converted into high-pressure superheated steam. Pipe end is provided with the nozzle and brought into the turbopump working chamber to make the high-pressure steam be injected from the nozzle and onto the turbine wheel vanes.EFFECT: higher engine efficiency.1 dwg

Off-heat recovery system with partial recuperation // 2566207
FIELD: engines and pumps.SUBSTANCE: claimed ICE (100) system (10) comprises working fluid circuit (12), expander (14), condenser (20), first and second lines (30) and (32) of working fluid heating in circuit (12). Expander (14) is connected in working fluid circuit (12) to feed working fluid therein. Condenser (20) is connected in working fluid circuit (12) to feed the latter from expander (14). First heating line (30) in the working fluid circuit (12) comprises the first heat exchanger (36) connected for transfer of off-gas fluid heat power of ICE (100). Second heating line (32) in the working fluid circuit (12) comprises the second heat exchanger (112) connected for transfer of off-gas fluid heat power of ICE (100) from ICE off-gas recirculation system cooler. Said first and second lines (30, 32) included the branching assembly located upstream of said first and second heat exchangers (36), (112), and connection assembly located downstream thereof. Invention discloses the implementation of above described system.EFFECT: higher efficiency of off-gas recovery.9 cl, 2 dwg

Closed-cycle piston engine // 2565933
FIELD: engines and pumps.SUBSTANCE: claimed engine comprises heater, working cylinder with piston, rod and con rod, compressor cylinder with piston, rod and con rod, crankshaft, head end regenerator, cooler, rod end intake valve, head end intake valve, head end intake bang-bang valve, head end discharge bang-bang valve. Working cylinder can be heated while compressor cylinder can be cooled. Working cylinder diameter is larger than that of compressor. Claimed engine represents a dual-action closed heat cycle engine like that classic Ericsson engine with theoretical efficiency of up to 70%. Closed heat cycle allows applying the working fluid that can be nitrogen, carbon dioxide, inner gases, their mixes and other gases. Working fluid is heated in common boiler and working cylinder while it is cooled in closed heat cycle at working gas initial pressure higher than barometric pressure.EFFECT: higher power output per engine unit weight and engine efficiency.1 dwg

Propulsion machinery for underwater technical device // 2564193
FIELD: power industry.SUBSTANCE: propulsion machinery contains as the working body for the steam loop the organic liquid, the steam loop is fitted with the recuperative heat exchanger installed between the steam turbine and the steam condenser and the evaporating heat exchanger through which the line for removal of exhaust gases from the combustion chamber passes; the line for removal of exhaust gases is fitted with the bypass line with the control valve connected through the ejector with the exhaust gases line in front of the heat exchanger evaporator and branching from the line for removal of exhaust gases after the evaporating heat exchanger.EFFECT: invention allows to increase reliability and overall performance of the propulsion machinery at the small capacity of the steam turbine, reduce the cost and mass-dimensional characteristics of the propulsion machinery in general.1 dwg

Desalination installation generating cold and electric power (versions) // 2562660
FIELD: power industry.SUBSTANCE: fresh water, cold and power are generated simultaneously.EFFECT: higher savings of power consumption up to complete compensation of power consumption for own needs of the plant accompanied by reduced discharges of toxic and greenhouse gases of ship power plant, higher efficiency factor, and possibility to generate cold are provided by means of the water desalinating combination with cold and power generation.3 cl, 3 dwg

Conversion system of thermal energy to mechanical energy in vehicle // 2561814
FIELD: power industry.SUBSTANCE: invention relates to a conversion system of thermal energy to mechanical energy in a vehicle. The system includes a pipeline circuit, a pump for pumping of a substance in the pipeline circuit, at least one evaporator, in which a provision is made for absorption by the substance of thermal energy from a heat source so that it is evaporated, a turbine that can be brought into movement by means of the evaporated substance to generate mechanical energy, and a condenser design, in which emission by the substance of thermal energy is provided so that it is condensed. The condenser design includes the first condenser in which the substance releases thermal energy to a coolant that circulates in the above pipeline circuit, and the second condenser that is located at the outlet of the first condenser in relation to direction of the substance flow in the pipeline circuit, and in which the substance releases thermal energy to air at ambient temperature.EFFECT: invention allows improving conversion efficiency.10 cl, 1 dwg

Generation method of independent electric power and device for its implementation, me chuni minipower plant // 2561705
FIELD: power industry.SUBSTANCE: invention relates to power industry and can be used for electric power generation using heated air as a heat carrier. The technical result consists in economy of combustible materials. Generation of electric power of 5-500 kW and more is based on a principle of creation of tornado-vortex and high-turbulent speed modes of up to 150-200 m/s. Due to reheating of reusable cooled waste air, economy of combustible materials in comparison to known minipower plants (gas, petroleum, diesel) is up to 5-8 times. The device operates on supply to a turbine of a specially treated air. The air is supplied to the system by a fan; then, it is heated by means of a burner by direct injection of burning fuel (gas, petroleum, fuel oil, etc.) to the air in closed space (pipe), which provides the flame treated by low-energy plasma with a direct heating contact to the air. A peculiar feature of such heating is that a small portion of circulating air is consumed for reaction of burning according to stoichiometric composition that is maintained by ambient air additions.EFFECT: providing a possibility of supplying excess electricity to a wire network.14 cl, 10 dwg
 
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