Method of internal combustion engine combustion chamber cleaning and internal combustion engine

FIELD: engines and pumps.

SUBSTANCE: invention may be used in internal combustion engines. Method of internal combustion engine (1) combustion chamber (7) cleaning comprises supply of gaseous substance into cooling device (25), cooling of substance in cooling device (25) below dew point so, that to form water condensate, supply of condensate containing substance, into internal combustion engine (1) combustion chamber (7), performing combustion reaction in combustion chamber (7) and removal of residues from combustion chamber (7). Gaseous substance, at least, upstream from cooling device (25) has relative humidity of more than 0 %. Invention discloses internal combustion engine (1).

EFFECT: technical result consists in simplification of internal combustion engine combustion chamber cleaning of deposits.

10 cl, 1 dwg

 



 

Same patents:

Ice design // 2528227

FIELD: engines and pumps.

SUBSTANCE: engine comprises at least one cylinder (11) with lengthwise axis (A). One end of said cylinder is closed by head (12). Cylinder head seals (16) are fitted in between cylinder and its head. Gome removal ring (17) has axial end surface (20) and second axial end surface (21) and is fitted in recess (18) around cylinder inner periphery to abut on cylinder head seal. Axial length of gome removal ring (17) is smaller than total length of recess (18) and cylinder head seal (16). One or both axial both surfaces (20, 21) of said gome removal ring is equipped with seal (23). Axial length before fitting in place is such that sum of seal axial length of gome and removal ring (17) axial length are larger than total axial length of recess (18) and that of cylinder head seal (16). Invention describes the engine of above described design.

EFFECT: decreased emission of harmful emissions, longer life.

7 cl, 5 dwg

FIELD: engines and pumps.

SUBSTANCE: method to clean parts of cylinder and piston group of an internal combustion engine consists in injection of fluid into cylinders. Instead of fluid, water is supplied. Supply is carried out into an inlet header of the engine during operation in the mode of free acceleration - partial coasting, proportionally to hourly consumption of fuel.

EFFECT: cleaning of parts of cylinder and piston group of the internal combustion engine in process of its operation without disassembly.

FIELD: engines and pumps.

SUBSTANCE: stand comprises electrically driven hydraulic pump 3 mounted on running gear and connected to purification hydraulic line with its suction inlet a and delivery outlet d connected to hydraulic tank 19, outlet d being furnished with fluid cleaning filters 5 - 7. Stand incorporates pipeline b to connect engine crankcase pan 15 to purification line suction section a and to feed flushing fluid or motor oil to aforesaid section a. It comprises also pipeline c to connect its inlet to purification line delivery section d, ahead of filters 5-7 in pumping motor oil from aforesaid pan 15 or hydraulic tank 19, and to connect purification line delivery section d, ahead of filters 5-7 to hydraulic tank 19 or to lubrication system of engine 14 or engine crankcase pan 15. Besides it comprises pipeline f to connect purification line delivery section d, ahead of filters 5-7 to the inlet of engine lubrication system, pipeline q connect aforesaid pan 15 to hydraulic tank 19 and compressed air pressure regulator 13 with its inlet to be connected to compressed air source and outlet to be connected to engine lubrication or system, or to purification line delivery section d, ahead of filters 5-7.

EFFECT: reduced labor input.

12 cl, 1 dwg

FIELD: machine building.

SUBSTANCE: invention is used for cleaning and flushing of hydraulic systems of tractors and combines of agricultural purpose, construction-road or communal service machines. Bench comprises double-flow hydraulic pump connected to hydraulic lines of cleaning and flushing. Inlets of these hydraulic lines and outlet of cleaning hydraulic line are connected to hydraulic tank. Suction sections of both hydraulic lines are equipped with inlet tubes with plugs, and forcing section of cleaning hydraulic line is equipped with serially installed three-way valve for provision of liquid supply into forcing section of flushing hydraulic line, the first outlet tube with plug, filter of fine purification and the second outlet tube with plug. Forcing section of flushing hydraulic line is equipped with serially installed the first three-way valve for provision of possibility of liquid supply into forcing section of cleaning hydraulic line, filter of fine purification, hydraulic slide valve for creation of pulsing flow of flushing liquid and mixing chamber for mixing of pulsing flow of flushing liquid with compressed air, and also the second three-way valve installed between filter and hydraulic slide valve for provision of possibility for flushing liquid supply from filter directly to object of flushing. Bench is also equipped with compressed air reservoir connected to outlet of forcing section of flushing hydraulic line, and receiver of compressed air connected to inlet of mixing chamber or inlet of compressed air reservoir.

EFFECT: reduction of labour-intensiveness, expansion of bench resources, higher extent of cleaning and flushing.

11 cl, 1 dwg

FIELD: engines and pumps.

SUBSTANCE: invention relates to automotive industry, in particular to engine servicing auxiliary equipment. The method consists in sealing the air cleaner inlet and the silencer branch pipe, adding a portion of oil in every cylinder through spark plug holes, the crankshaft is cranked immediately after adding the oil with the subsequent periodic cranking during storage, the channels are connected to the cylinders. Here note that, on cranking, is forced from the compression chambers into expansion chambers for it to get dried. The antirust device incorporates the channels with attachment appliances furnished at their ends tightly connected to the cylinder spaces and the engine crankcase. Note that the channels can accommodate dehydrator so as to rule out an ingress of oil onto the latter.

EFFECT: ruling out an ingress of moisture into the engine in cranking.

5 dwg

FIELD: mechanical engineering.

SUBSTANCE: invention relates to methods of inner preservation of internal combustion engines and it can be used for inner preservation of cylinder-piston group of diesel engines, for instance, engines of combines, tractors, automobiles at repair shops, at manufacture's and by facilities and organizations periodically operating the engines. To provide inner preservation of internal combustion engine, motor oil is introduced into cylinders through nozzles by means of high-pressure charger. Then engine. is cranked by stand-by source, without delivery of fuel into cylinders

EFFECT: provision of preservation of engine at minimum cost and labor input.

FIELD: mechanical engineering; internal combustion engines.

SUBSTANCE: proposed method to reduce separation of deposits in combustion chamber of internal combustion engines with spark ignition in which deposits are formed in combustion chamber includes delivery of fuel with addition containing metal compound into internal combustion engine with spark ignition. Said metal containing compound is delivered in amount sufficient for effective reduction of separation of deposits in combustion chamber. Method to decrease exhaust when starting internal combustion engine with spark ignition from cold includes reduction of separation of deposits in combustion chamber of internal combustion engine with spark ignition. Metal containing compound is delivered in amount sufficient for effective decrease of exhaust when starting engine from cold.

EFFECT: reduced separation of deposits in combustion chamber and exhausts when starting engine from cold.

28 cl, 1 ex, 1 tbl

FIELD: transport engineering; internal combustion engines of automobiles of different application.

SUBSTANCE: invention relates to servicing of internal combustion engines, particularly, cleaning the engines from carbon caused by incomplete combustion of fuel, and it can be used for restoring operating parameters of engine. Proposed engine cleaning method includes its cleaning from side of fuel system by additional of cleaning agent containing neutral ethers of o-phosphoric acid and neutral ethers of boric acid to fuel and delivering said mixture into operating engine, and also cleaning of engine from side of oil system carried out simultaneously with cleaning of engine from side of fuel system or direct before or after cleaning of fuel system by additional of other cleaning agent including mixture of mono-and triamines in equal amounts and butanol and gasoline, preferably, low octane number, to oil and provision of operation of engine for time sufficient for complete cleaning of cylinder-piston group and with subsequent replacement of oil.

EFFECT: restoration of operating characteristics of engine owing to complex cleaning of engine at possibility of reliable checking of results of cleaning.

4 cl, 4 ex

FIELD: engine engineering.

SUBSTANCE: method comprises supplying fuel to the combustion chamber and burning out fuel in the combustion chamber. The fuel is directly injected into the combustion chambers with the use of valve nozzles during suction or compression stroke depending on the regime of engine operation. The torques generated by cylinders are matched. The device for realization of the method is proposed.

EFFECT: enhanced reliability.

18 cl, 3 dwg

FIELD: mechanical engineering; gasoline internal combustion engines.

SUBSTANCE: invention can be used for restoring characteristics of electromagnetic nozzle of injection system. According to proposed method, contact of washing liquid with inner spaces of nozzles is provided with simultaneous action onto washing solution with signals of definite frequency and cleaning of nozzles said under said conditions for definite time. Washing solution is delivered through nozzles under pressure, and pulses of definite frequency at fixed voltage are periodically fed to coils of nozzles to provide vibration of valve needle, and then capacity of nozzle and nonuniformity of delivery of standard fuel by nozzles are determined.

EFFECT: possibility to restore power and economy characteristics of engine.

6 cl, 1 dwg

FIELD: engines and pumps.

SUBSTANCE: invention can be used for the automatic temperature control of (TC) of inlet air in the internal combustion engine (ICE). Air TC system of RT contains a cooler, a heat exchanger and IEC air supply channel. TC system also comprises a batcher, inlet and outlet pipeline, an expansion tank, an electric pump, a temperature sensor (TS) and connecting wires. The cooler is connected through the outlet pipeline with the expansion tank, the batcher and the electric pump connected to the heat exchanger connected by the inlet pipeline to the cooler. The cooler is connected to IEC by means of the air supply channel where TS is mounted, which sends control signals through wires to the batcher and the electric pump. DVS is connected by the outlet branch pipe with the heat exchanger.

EFFECT: maintaining of pre-set operating temperature mode in hot climatic conditions.

1 dwg

FIELD: engines and pumps.

SUBSTANCE: invention can be used in internal combustion engines. Proposed method is realised in supercharged ICE (1) including low-temperature coolant cooling circuit (13), high-temperature coolant cooling circuit (19) and injected air cooler (12) connected with low-temperature cooling circuit (13). Proposed method comprises compression of injected air at, at least one stage, cooling of compressed injected air in cooler (12) whereto low-temperature coolant is fed, determination of compressed injected air dew point downstream of cooler (12) and injected air temperature adjustment to make it higher than dew point at control over low-temperature coolant fed to cooler (12). Low-temperature coolant temperature is adjusted by adding high-temperature coolant thereto.

EFFECT: decreased amount of condensate in air injection system.

11 cl, 1 dwg

FIELD: transport.

SUBSTANCE: cooling system comprises first radiator (13), first circuit (14-16) to feed coolant therefrom to engine (2) and second circuit (17, 18) to divert the coolant from engine (2) to first radiator (13). It comprises second radiator (20) arranged ahead of first radiator (13), third circuit (21, 22, 24) with at least one line (21, 24) to divert coolant from line (16) of the first line to second radiator (20). Fourth circuit (25, 26a-d, 27) diverts coolant from second radiator (20) to first circuit (15) and comprises at least one cooler (29-31) to cool down the carrier medium or component (1).

EFFECT: efficient cooling of carrier multiple components, ruled out icing in coolers.

8 cl, 2 dwg

FIELD: transport.

SUBSTANCE: cooling device for vehicle driven by turbocharged internal combustion engine (2) includes inlet pipeline (8) forwarding compressed air to internal combustion engine (2), the first turbocharged air cooler (9) and the second turbocharged air cooler (10) for cooling compressed air prior to its forwarding to internal combustion engine, and energy recovery system containing pipeline circuit (32) with circulating agent, at least one heat exchanger (9, 14, 15, 34, 35) where the circulating agent should absorb heat so that it evaporates, turbine (37) where evaporated agent should expand, and at least one condenser (43) where the agent should cool to temperature of its condensation. The cooling device contains the first cooling circuit with the first cooler (20) made capable to cool circulating refrigerant, and the second cooling circuit with the second cooler (26) made capable to cool the circulating refrigerant to temperature that is lower than the temperature to which the refrigerant has been cooled in the first cooler. The cooling device contains the third cooling circuit with the third cooler (29) made capable to cool the circulating refrigerant to temperature that is lower than the temperature to which the refrigerant has been cooled in the second cooler (26). Refrigerant cooled in the third cooling circuit is used for cooling compressed air in the second cooler (10) of turbocharged air and refrigerant in condenser. Heat-absorbing system is made capable to absorb thermal energy from compressed air in the first cooler (9) of turbocharged air.

EFFECT: lower fuel consumption.

10 cl, 3 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed heater serves to heat heat-carrier in ICE cooling system (2) of vehicle (1). Cooling system comprises heat carrier cooler (18) arranged at vehicle point where through air flows at temperature (TA1, TA2) higher than ambient temperature, manifold with first line (16a) feeding heat carrier into engine (2) and second line (16b) feeding heat carrier into appropriate cooler (18). Besides it comprises valve (17) to be set to first position whereat it feeds heat carrier to ICE (2) and second position whereat it feeds heat carrier to appropriate cooler (18). Heater comprises control unit (22) to define if heat carrier in cooling system features temperature (TC) lower than working temperature (TD) if air in cooler (18) features temperatures (TA1, TA2) exceeding heat carrier temperature (TC). In case these conditions are satisfied, control unit (22) can drive valve (17) to second position so that heat carrier is fed to heat carrier cooler (18) whereat heat carrier is heated by air flowing through cooler (18). Invention covers also the heat carrier heating.

EFFECT: accelerated heating of heat carrier.

11 cl, 3 dwg

Piston engine // 2505689

FIELD: engines and pumps.

SUBSTANCE: piston engine 14 includes cylinder block whereto support is attached to hold low-and high-pressure turbo compressors. Engine comprises low-pressure supercharging air cooler 19 supercharged by low-pressure turbo compressor and high-pressure supercharging air cooler 20 supercharged by high-pressure turbo compressor. Said support comprises air case 15 with low- and high-pressure supercharging air chambers 16, 17. Note here that low-pressure supercharging air cooler 19 is arranged in low-pressure chamber 16 while high-pressure supercharging air cooler 20 is arranged and high-pressure supercharging air chamber 17.

EFFECT: decreased overall dimensions and weight.

9 cl, 3 dwg

Vehicle power plant // 2499902

FIELD: engines and pumps.

SUBSTANCE: proposed power plant comprises ICE with turbo compressor equipped with intake and exhaust pipes and communicated with the engine intake and exhaust manifolds. Power plant comprises supercharging air cooler with hot and cold chambers, coolant circulation circuit including evaporator, expander and refrigerator, brake system compressor drive by ICE and having intake pipe. Brake system compressor intake pipe is furnished with air filter including case with tapered bottom accommodating steam trap while case top section accommodates converging nozzle with inlet and outlet. Nozzle inner surface has screw grooves arranged in lengthwise direction from inlet to outlet. Baffle plate is arranged ahead of outlet. Engine exhaust pipes are equipped with thermoelectric generator composed of a casing with two flow channels for engine exhaust gases and sucked atmospheric air and a set of differential thermocouples with hot ends located in exhaust gas channel and cold ends in sucked atmospheric air channel. Evaporator is connected with suction pipes of turbo compressor via ejector provided with triple valve. Exhaust gas channel inlet is communicated with exhaust pipes while its outlet is communicated with atmosphere. Atmospheric air flow channel inlet is communicated with suction pipes via triple valve while its outlet communicates with ejector mixing chamber.

EFFECT: higher engine efficiency.

3 dwg

Piston engine bed // 2496015

FIELD: engines and pumps.

SUBSTANCE: bed 12 for large piston turbocharged engine allows mounting cylinder block of piston engine 2 thereat. Said bed 12 can be secured to concrete base in application at stationary conditions and to ship hull in maritime application. Bed 12 comprises air case for compressed supercharging air. Supercharging air cooler 11 is arranged in said air case. Invention covers also the piston engine with abode described bed.

EFFECT: smaller vibration and noise.

11 cl, 6 dwg

FIELD: engines and pumps.

SUBSTANCE: air pipeline passes from boost air device on one longitudinal side of internal combustion engine to air-distributing device on the other longitudinal side. One of boost air pipeline sections passes through ICE attachment bracket installed on the side. Boost air cooler is located between those devices. Sections (6e, 7e) of boost air pipeline are integrated to attachment brackets (6, 7) provided on both longitudinal sides of internal combustion engine. Boost air cooler (13) is attached to mounting flanges (6h, 7h) of both engine attachment brackets (6, 7) and interacts with integrated sections (6e, 7e) of boost air pipeline (10).

EFFECT: easy erection and reduction of weight is provided.

10 cl, 6 dwg

FIELD: engines and pumps.

SUBSTANCE: cooling system for incoming gas - pressure air and exhaust gas of marine diesel engine (1), which are supplied to the inlet, includes the following: exhaust (3), suction (5) and recirculation (4) pipelines, damper (11), waste-heat boiler (2), absorption refrigerating machine (31), user of refrigeration (12), control unit (24), temperature (23) and load (21) sensors, position sensor (84) of damper (11), supply and control elements of heat carriers and cold carriers, heat exchangers of exhaust gases (7) and incoming gas (6) - pressure air. Heat exchanger of exhaust gases (7) is installed in recirculation (4) pipeline. Heat exchanger of incoming gas (6) is installed in suction (5) pipeline. Heat exchangers of exhaust gases (7) and incoming gas (6) have the possibility of being connected to absorption refrigerating machine (31). Cold carrier can be supplied to heat exchangers (7, 6) through electronic three-way valves (18, 19) depending on diesel engine (1) load.

EFFECT: increase in the amount of the air supplied to cylinders, and decrease of temperatures of working cycle and heat loads of diesel engine at its forcing as to pressure charging.

2 cl, 1 dwg

FIELD: mechanical engineering; engines.

SUBSTANCE: invention relates to internal combustion engines with two-stage gas-turbine supercharges and with supercharging air cooler. Proposed engine contains two-stage gas-turbine supercharger and supercharging air cooler in connecting channel between compressor of low-pressure stage and compressor of high-pressure stage. Supercharging air cooler is formed by cooling insert passing coolant in connecting channel passing supercharging and compressor of high-pressure stage of gas-turbine supercharger and section 16 of connecting channel. Connecting channel on this section forms outer wall of supercharging air cooler by its wall. It limits amount of air sufficient for effective cooling of supercharging air flowing around built-in cooling insert owing to passage of coolant through cooling insert.

EFFECT: provision of effective air cooling at reduction of overall dimensions of cooler.

5 cl, 6 dwg

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