WO2017014668A1 - Dispositif et procédé d'alimentation en air d'un moteur à combustion interne - Google Patents

Dispositif et procédé d'alimentation en air d'un moteur à combustion interne Download PDF

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Publication number
WO2017014668A1
WO2017014668A1 PCT/RU2015/000534 RU2015000534W WO2017014668A1 WO 2017014668 A1 WO2017014668 A1 WO 2017014668A1 RU 2015000534 W RU2015000534 W RU 2015000534W WO 2017014668 A1 WO2017014668 A1 WO 2017014668A1
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WO
WIPO (PCT)
Prior art keywords
air
internal combustion
combustion engine
cylinder
compressed air
Prior art date
Application number
PCT/RU2015/000534
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English (en)
Russian (ru)
Inventor
Виктор Гурийевич СИЛЬКОВ
Original Assignee
Виктор Гурийевич СИЛЬКОВ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Виктор Гурийевич СИЛЬКОВ filed Critical Виктор Гурийевич СИЛЬКОВ
Publication of WO2017014668A1 publication Critical patent/WO2017014668A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/06—After-charging, i.e. supplementary charging after scavenging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M23/00—Apparatus for adding secondary air to fuel-air mixture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the invention relates to internal combustion engines.
  • a known analogue is a device for storing compressed air and blowing into an internal combustion engine - US Pat. for blowing in the stored compressed air at the moment of sharp pressing the gas pedal.
  • the method according to the device described above consists in compressing the air, storing it in the drive and blowing it into the intake manifold of the internal combustion engine, and from there into the cylinders of the internal combustion engine.
  • analogues The disadvantage of analogues is the low accuracy of the dosing of compressed air into the cylinders of the internal combustion engine, due to the fact that it is injected first into the intake manifold of the internal combustion engine.
  • air When air is blown into the intake manifold, an abrupt expansion of the air flow in the manifold occurs with a loss of energy, after which air distributed throughout the collector.
  • the pressure of air at different points of the collector is affected by the geometry of the collector and the process of opening and closing the intake valves that release air from the collector into the cylinders of the internal combustion engine, therefore, when air flows through the manifold, its pressure at different points of the collector is different.
  • the air flow into the cylinders of an internal combustion engine depends on the pressure in front of the valves in the manifold. Therefore, the method and device of its implementation described in the analogue do not allow for high accuracy of dosing of air supply to each cylinder of an internal combustion engine.
  • a known analogue is a device for increasing the torque of a reciprocating internal combustion engine, in particular a diesel engine, an invention, RF patent (N ° 2382888 C2, 10.1 1.2008), including at least one cylinder, one turbine, one compressor, one air a compressor, one accumulator, one charge air cooler, one air dryer and one control device, the air injection pipe being connected to the inlet channel in the cylinder head of the engine.
  • the method according to the device described above consists in compressing the air with a compressor, storing it in a storage ring, cooling it in a cooler, drying it in an air dryer, blowing it into the inlet of the internal combustion engine, and from there into the cylinders of the internal combustion engine.
  • the disadvantage of analogues is the low efficiency of the diesel engine, due to the low accuracy of the dosing of compressed air when applying to each cylinder of the internal engine combustion, expressed in the uneven distribution of air between the cylinders of the internal combustion engine.
  • the reasons for the uneven distribution of air between the cylinders are listed in the description of the disadvantages of analogues of the patent US201 1041496.
  • a device for preparing and supplying air to an internal combustion engine is known - US patent (US 20120240909 A1, March 25, 2018 1), selected as a prototype of the proposed device, comprising a compressor for compressing air, a compressed air storage unit, at least one, an injector for blowing air into cylinder of an internal combustion engine.
  • the disadvantage of the prototype method and the prototype of the device is the low quality of preparation of the air blown into the cylinder of the engine: lack of pre-treatment, cleaning after compression, not optimal temperature and a small pressure range of the air supplied to the cylinder, which leads to low efficiency of the internal combustion engine.
  • An object of the invention is to improve the quality of preparation and supply of air into the cylinder of an internal combustion engine.
  • the technical result of the invention is to supply air at the optimum temperature, without impurities, reducing the ignition quality of the fuel-air mixture, with the optimal flow rate directly into the cylinder of the internal combustion engine through the injector.
  • the solution to the technical problem in the method of preparing and supplying air to an internal combustion engine including storing compressed air in a drive with a compressor and blowing compressed air into the cylinder of an internal combustion engine through an injector, is ensured by the fact that it is cleaned of mechanical impurities before air compression, after compressions produce separation of oil and moisture from compressed air, before blowing compressed air from the drive through an injector into the cylinder of an internal combustion engine, reduction of air pressure to a predetermined level and cooling or heating of air to a predetermined temperature.
  • the solution to the technical problem in the device for preparing and supplying air to an internal combustion engine containing a compressor for compressing air, a compressed air storage device, at least one injector for injecting air into the cylinder of an internal combustion engine is achieved by the fact that the device contains an air purification filter located at the inlet to the compressor, a device for separating oil and moisture from air, located at the outlet of a compressor and associated with the compressed air storage device, a device for reducing air pressure, a heat exchanger for cooling air, and an air heater located between the compressed air storage device and the injector, and the device for reducing air pressure and the injector are connected to the electronic control unit.
  • the compressed air accumulator can be made with a safety valve for discharging air from the accumulator when the air pressure reaches its maximum permissible value.
  • Figure 1 shows a device for preparing and supplying air to an internal combustion engine.
  • Figure 2 presents the algorithm of operation of the electronic control unit.
  • a device for preparing and supplying air to an internal combustion engine comprises a compressor 1 for compressing air, a compressed air accumulator 2, an injector 3 for injecting air into a cylinder 4 of an internal combustion engine, an air purification filter 5 located at the inlet of the compressor 1, an oil separation device 6 and moisture from the air located at the outlet of the compressor 1 and connected to the compressed air accumulator 2, a device 7 for reducing air pressure, a heat exchanger 8 for cooling the air, and an air heater 9 nnye between two compressed air accumulator and the injector 3, wherein the air pressure reduction device 7 and the injector 3 are connected with an electronic control unit 10.
  • FIG. 1 shows an injector 3 located in an internal combustion engine.
  • Figure 1 shows the connection of the electronic control unit 10 with sensors for the position of the engine camshaft, the position of the engine crankshaft, coolant temperature, fuel temperature, atmospheric air pressure, gas pedal position, air mass flow rate, fuel pressure.
  • the accumulator 2 of compressed air can be made with a safety valve 11 for discharging air from the accumulator 2 when the air pressure reaches its maximum permissible value.
  • a pressure reducing valve (not shown) can be used, which reduces air pressure up to a pressure of 8 kgf / cm, for which the brake circuit of the car is designed.
  • Particles of oil that get into the air due to imperfect compaction or wear of the piston rings of the compressor 1 for air compression, as well as atmospheric moisture, are captured by the device 6 for separating oil and moisture from the air at the outlet of the compressor 1 for air compression.
  • the principle of operation of the device 6 for separating oil and moisture from air is based on passing air through a moisture adsorber in the form of a silica gel placed in a vessel.
  • the reduction of compressed air before blowing into the cylinder 4 of the internal combustion engine is carried out to obtain the optimum supply pressure for a specific operating mode of the internal combustion engine.
  • air is supplied to the cylinder 4 of the internal combustion engine under an operating pressure that varies in the range of values up to 5 kG / cm, depending on the engine operating mode. For example, to realize a sharp acceleration of the engine, air is supplied under a pressure of 5 kG / cm. To start the engine, air is supplied at a pressure of 15 kG / cm 2 .
  • the pressure at the outlet of the device 7 for reducing the air pressure is 30 kG / cm 2 , since the pressure loss during the passage of air is 50%.
  • Device 7 for reducing air pressure is gas reducer with remote electric drive. The drive of the device 7 for reducing air pressure is controlled by the electronic control unit 10.
  • the air When compressed by the compressor 1 to compress the air, the air is heated to 150-200 degrees Celsius, which reduces its density in comparison with colder air under the same pressure.
  • a heat exchanger 8 is used to cool the air, passing through which the air is cooled to a temperature below 100 degrees Celsius.
  • the heat exchanger 8 for cooling the air is cooled by atmospheric air, made of aluminum tubes and plates and is located in the area of the air intake of the car.
  • an air heater 9 is used. It is designed to heat air to a temperature plus Celsius, which ensures optimal formation of the fuel mixture in cylinder 4 of the internal combustion engine.
  • the air heater 9 is made in the form of a tube heated by electrical resistance. Electric energy for this, when the engine is running, is supplied from the generator of the car, and before starting the engine from the battery.
  • the heater 9 is turned on by a signal from the electronic control unit 10. Air is transported between the above devices through a pipeline.
  • the accumulator 2 of compressed air can be made with a safety valve 1 1 for the release of air, made in the form of a ball, pressed by a spring against the seat with a force that is overcome by the air pressure in the accumulator 2 of compressed air when the air pressure in it exceeds 200 kG / cm 2 . This prevents excess air pressure in the accumulator 2 of compressed air in order to prevent its destruction.
  • the electronic control unit 10 is a microcontroller that receives input data 1 characterizing the engine’s operating mode from the sensors of the engine camshaft, engine crankshaft position, coolant temperature, fuel temperature, atmospheric air pressure, gas pedal position, air mass flow, pressure fuel.
  • the microcontroller calculates using the input data from the sensors as variables and provides control signals to the commutators of the electric drives of injector 3 for blowing air into cylinder 4 and device 7 for air pressure reduction.
  • a compressor 1 for compressing air draws in air from the atmosphere, while the air is cleaned by an air purification filter 5, is compressed by a compressor 1 for air compression, it is cleaned of moisture and oil by a device 6 for separating oil and moisture, and enters the accumulator 2 of compressed air continuously until it reaches it air pressure 200 kG / cm.
  • the compressor 1 for air compression is turned off and restarted only when the air pressure in the accumulator 2 of compressed air drops below 150 kG / cm.
  • air flows through a pipeline, through a device 7 for reducing air pressure, a heat exchanger 8 for cooling the air, and an air heater 9.
  • the outflow of air from this closed system is controlled by the injector 3 for blowing air into the cylinder 4.
  • the opening of the injector 3 for blowing air into the cylinder 4 of the internal combustion engine is controlled by the electronic control unit 10, which blows air into the cylinder 4 with clocks synchronized with the working cycles of the internal combustion engine .
  • the volume of air supplied to the cylinder 4 of the internal combustion engine is determined by the opening time of the injector 3 for blowing air into the cylinder 4 of the internal combustion engine and the air pressure in front of the injector 3 for blowing air into the cylinder 4 of the internal combustion engine, which is supported by the device 7 for reducing air pressure.
  • the electronic control unit 10 increases the opening time of the injector 3 in proportion to the degree of pressing the pedal to blow air into the cylinder 4 of the internal combustion engine and increase the air pressure in front of the injector 3 to blow more air into the cylinder 4 of the internal combustion engine.
  • the proposed technical solution improves the efficiency of the preparation and supply of air to the cylinder of an internal combustion engine, thereby increasing the efficiency of the internal combustion engine
  • An additional advantage compared with the prototype in the proposed device for the preparation and supply of air to the internal combustion engine is the ability to start the engine with compressed air from the accumulator 2 of compressed air.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

L'invention concerne des moteurs à combustion interne. Le but technique de l'invention consiste à améliorer la qualité de préparation d'air et d'alimentation en air. Selon l'invention, on effectue le nettoyage de l'air, la séparation d'huile et d'humidité de l'air comprimé, on réduit la pression d'air jusqu'à un niveau désiré et on chauffe ou on refroidit l'air jusqu'à une température désirée.
PCT/RU2015/000534 2015-07-22 2015-08-24 Dispositif et procédé d'alimentation en air d'un moteur à combustion interne WO2017014668A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2015130283 2015-07-22
RU2015130283 2015-07-22

Publications (1)

Publication Number Publication Date
WO2017014668A1 true WO2017014668A1 (fr) 2017-01-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2015/000534 WO2017014668A1 (fr) 2015-07-22 2015-08-24 Dispositif et procédé d'alimentation en air d'un moteur à combustion interne

Country Status (1)

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WO (1) WO2017014668A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114931231A (zh) * 2022-04-19 2022-08-23 红云红河烟草(集团)有限责任公司 储气缸压缩空气恒温控制供给限量管光电喷吹控制方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU177227A1 (ru) * Харьковский завод транспортного машиностроени УСТРОЙСТВО дл УЛУЧШЕНИЯ ПРИЕМИСТОСТИ ДИЗЕЛЬ- ГЕНЕРАТОРА С ГАЗОТУРБИННЫМ НАДДУВОМ
RU2008454C1 (ru) * 1990-03-21 1994-02-28 Юрий Михайлович Шмаков Способ работы двухтактного двигателя внутреннего сгорания
RU2192550C1 (ru) * 2001-03-02 2002-11-10 Морозов Валерий Владимирович Способ сжигания рабочих смесей в надпоршневом пространстве двигателей внутреннего сгорания и устройство для его осуществления
RU2305195C1 (ru) * 2006-04-14 2007-08-27 Игорь Васильевич Боев Аксиально-поршневой двигатель
RU2392457C2 (ru) * 2005-02-24 2010-06-20 Кнорр-Бремзе Зюстеме Фюр Нутцфарцойге Гмбх Устройство для обеспечения приточным воздухом поршневого двигателя внутреннего сгорания с турбонаддувом и способ его эксплуатации
US20120240909A1 (en) * 2011-03-25 2012-09-27 Stephen Mark Geyer Methods and systems for controlling transient engine response
RU150916U1 (ru) * 2013-04-09 2015-03-10 ФОРД ГЛОУБАЛ ТЕКНОЛОДЖИЗ, ЭлЭлСи Двигатель внутреннего сгорания с наддувом

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU177227A1 (ru) * Харьковский завод транспортного машиностроени УСТРОЙСТВО дл УЛУЧШЕНИЯ ПРИЕМИСТОСТИ ДИЗЕЛЬ- ГЕНЕРАТОРА С ГАЗОТУРБИННЫМ НАДДУВОМ
RU2008454C1 (ru) * 1990-03-21 1994-02-28 Юрий Михайлович Шмаков Способ работы двухтактного двигателя внутреннего сгорания
RU2192550C1 (ru) * 2001-03-02 2002-11-10 Морозов Валерий Владимирович Способ сжигания рабочих смесей в надпоршневом пространстве двигателей внутреннего сгорания и устройство для его осуществления
RU2392457C2 (ru) * 2005-02-24 2010-06-20 Кнорр-Бремзе Зюстеме Фюр Нутцфарцойге Гмбх Устройство для обеспечения приточным воздухом поршневого двигателя внутреннего сгорания с турбонаддувом и способ его эксплуатации
RU2305195C1 (ru) * 2006-04-14 2007-08-27 Игорь Васильевич Боев Аксиально-поршневой двигатель
US20120240909A1 (en) * 2011-03-25 2012-09-27 Stephen Mark Geyer Methods and systems for controlling transient engine response
RU150916U1 (ru) * 2013-04-09 2015-03-10 ФОРД ГЛОУБАЛ ТЕКНОЛОДЖИЗ, ЭлЭлСи Двигатель внутреннего сгорания с наддувом

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114931231A (zh) * 2022-04-19 2022-08-23 红云红河烟草(集团)有限责任公司 储气缸压缩空气恒温控制供给限量管光电喷吹控制方法
CN114931231B (zh) * 2022-04-19 2023-02-28 红云红河烟草(集团)有限责任公司 储气缸压缩空气恒温控制供给限量管光电喷吹控制方法

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