WO2017122567A1 - Moteur à combustion interne, et dispositif et procédé de commande de moteur à combustion internedri - Google Patents

Moteur à combustion interne, et dispositif et procédé de commande de moteur à combustion internedri Download PDF

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Publication number
WO2017122567A1
WO2017122567A1 PCT/JP2017/000119 JP2017000119W WO2017122567A1 WO 2017122567 A1 WO2017122567 A1 WO 2017122567A1 JP 2017000119 W JP2017000119 W JP 2017000119W WO 2017122567 A1 WO2017122567 A1 WO 2017122567A1
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WO
WIPO (PCT)
Prior art keywords
internal combustion
combustion engine
exhaust valve
control device
supercharger
Prior art date
Application number
PCT/JP2017/000119
Other languages
English (en)
Japanese (ja)
Inventor
浩彰 平林
晃洋 三柳
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to KR1020187019366A priority Critical patent/KR20180091884A/ko
Priority to CN201780006288.5A priority patent/CN108463621B/zh
Priority to KR1020207010656A priority patent/KR102127619B1/ko
Publication of WO2017122567A1 publication Critical patent/WO2017122567A1/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
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/16—Other safety measures for, or other control of, pumps
    • 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
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/04—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump
    • F02B37/10—Engines with exhaust drive and other drive of pumps, e.g. with exhaust-driven pump and mechanically-driven second pump at least one pump being alternatively or simultaneously driven by exhaust and other drive, e.g. by pressurised fluid from a reservoir or an engine-driven pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D23/00—Controlling engines characterised by their being supercharged
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D23/00—Controlling engines characterised by their being supercharged
    • F02D23/005—Controlling engines characterised by their being supercharged with the supercharger being mechanically driven by the engine
    • 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 present invention relates to an internal combustion engine including a supercharger, and a control device and method for the internal combustion engine.
  • an internal combustion engine as a main engine mounted on a ship is equipped with a supercharger in order to improve fuel consumption and reduce CO 2 in exhaust gas.
  • This supercharger drives the turbine and the compressor using the exhaust gas discharged from the internal combustion engine, and compresses and supplies the combustion gas to the internal combustion engine to improve the output of the internal combustion engine.
  • the motor generator is directly connected to the rotor shaft of the turbocharger, and the rotor shaft is driven and rotated by the motor generator, so that the compressor and the turbine are rotated, while the surplus energy that has driven the compressor is used for the generator.
  • Patent Document 1 As such an exhaust turbine supercharger, there are those described in Patent Document 1 and Non-Patent Document 1 below.
  • Patent Document 1 when the engine output of the internal combustion engine increases, the motor generator functions as an electric motor, so that a temporary shortage of combustion gas in the internal combustion engine can be suppressed. Further, in Non-Patent Document 1, when sufficient combustion gas cannot be taken into the internal combustion engine, such as when the internal combustion engine is started, the auxiliary blower is used to supply the combustion gas to the internal combustion engine.
  • the present invention solves the above-described problems, and provides an internal combustion engine, an internal combustion engine control apparatus, and a method for improving the reliability of a supercharger by suppressing the occurrence of surging when the internal combustion engine is started or stopped.
  • the purpose is to provide.
  • an internal combustion engine of the present invention includes an internal combustion engine body, a compressor connected to the internal combustion engine body and supplying combustion gas to the internal combustion engine body, and a turbine that rotates coaxially with the compressor.
  • a turbocharger an electric motor for driving the supercharger, an exhaust valve opening / closing device for opening / closing an exhaust valve provided in a cylinder portion of the internal combustion engine body, and driving control of the motor and the exhaust valve opening / closing device
  • the rotation speed of the supercharger is preset.
  • the exhaust valve opening / closing device is driven to open the exhaust valve before the time when the surging rotational speed is reached.
  • the exhaust valve is opened before the time when the rotational speed of the supercharger reaches the surging rotational speed. That is, since the exhaust valve is opened when the internal combustion engine is stopped, the combustion gas supplied into the cylinder part by the compressor is discharged to the exhaust system, and the combustion gas pumped to the cylinder part is low. By suppressing the occurrence of surging while the internal combustion engine is stopped, the reliability of the supercharger can be improved.
  • the control device drives the exhaust valve opening / closing device to open the exhaust valve when a motoring start signal for starting driving of the supercharger by the electric motor is input. It is characterized by.
  • the exhaust valve is only opened, so that the control system can be simplified and the surging is appropriately suppressed by opening the exhaust valve at an appropriate time. be able to.
  • a power storage unit for supplying power to the electric motor is provided, and the control device starts power storage in the power storage unit and drives the exhaust valve opening / closing device to open the exhaust valve. It is characterized by doing.
  • the internal combustion engine is started using an electric motor for driving the compressor without using another device such as an auxiliary blower.
  • the startability of the internal combustion engine can be improved while suppressing an increase in equipment cost.
  • the control device drives the exhaust valve opening / closing device to open the exhaust valve only for the cylinder portion in which the space between the scavenging port and the exhaust valve of the internal combustion engine is open. It is characterized by.
  • control device drives the exhaust valve opening / closing device to close the exhaust valve when an internal combustion engine rotation start signal for starting the rotation of the internal combustion engine body is input. It is said.
  • the exhaust valve is closed, so that when the internal combustion engine is started, the pressure of the combustion gas in the cylinder portion can be increased, and the internal combustion engine can be started properly. Can do.
  • a working gas supply device is provided for starting the rotation of the internal combustion engine body by the working gas without supplying fuel to the internal combustion engine body, and the control device starts the rotation of the internal combustion engine.
  • the working gas supply device is driven after the elapse of a predetermined first waiting time set in advance.
  • the internal combustion engine rotation start signal when the internal combustion engine rotation start signal is input, the internal combustion engine starts rotating after the first waiting time has elapsed, so even if there is a delay in the operation of the exhaust valve, the exhaust valve is completely closed.
  • the internal combustion engine is started, and the internal combustion engine can be smoothly started.
  • a working gas supply device is provided for starting the rotation of the internal combustion engine body by the working gas without supplying fuel to the internal combustion engine body, and the control device starts the rotation of the internal combustion engine.
  • the working gas supply device is driven.
  • the exhaust valve of the cylinder portion where the scavenging port and the exhaust valve are closed by the piston is closed, the exhaust valve is closed when the internal combustion engine rotation start signal is input and the internal combustion engine starts rotating. Even if there is a delay in the operation of the exhaust valve of the cylinder part in which the pressure between the scavenging port and the exhaust valve is open, the internal combustion engine can be started properly. it can.
  • the internal combustion engine of the present invention includes an internal combustion engine main body, a compressor connected to the internal combustion engine main body for supplying combustion gas to the internal combustion engine main body, and a turbocharger including a turbine that rotates coaxially with the compressor.
  • An electric motor that drives the supercharger, an exhaust valve opening / closing device that opens and closes an exhaust valve provided in a cylinder portion of the internal combustion engine body, and a control device that drives and controls the electric motor and the exhaust valve opening / closing device.
  • the control device drives the exhaust valve opening / closing device when the supercharger is driven by the electric motor after the rotation of the internal combustion engine body is stopped.
  • the exhaust valve is opened.
  • the exhaust valve is opened if the supercharger is driven by the electric motor after the rotation of the internal combustion engine body is stopped. That is, since the exhaust valve is opened when the internal combustion engine is stopped, the combustion gas supplied into the cylinder part by the compressor is discharged to the exhaust system, and the combustion gas pumped to the cylinder part is low. By suppressing the occurrence of surging when the internal combustion engine is stopped, the reliability of the supercharger can be improved.
  • the control device when the motoring stop signal for stopping the driving of the supercharger is input, the control device, after the elapse of a predetermined second standby time, the exhaust valve opening / closing device And the exhaust valve is closed.
  • a power supply unit or a power storage unit that supplies electric power to the electric motor is provided, and when the motoring stop signal is input, the control device stops supplying electric power to the electric motor, After the elapse of the second waiting time, the exhaust valve opening / closing device is driven to close the exhaust valve.
  • the control device for an internal combustion engine of the present invention includes an internal combustion engine body, a compressor connected to the internal combustion engine body for supplying combustion gas to the internal combustion engine body, and a turbine that rotates coaxially with the compressor.
  • a charger an electric motor that drives the supercharger, an exhaust valve opening / closing device that opens and closes an exhaust valve provided in a cylinder portion of the internal combustion engine body, and a control device that drives and controls the electric motor and the exhaust valve opening / closing device
  • a motoring start signal for starting the supercharger is input.
  • the exhaust valve opening / closing device is driven to open the exhaust valve.
  • the control device for an internal combustion engine of the present invention includes an internal combustion engine body, a compressor connected to the internal combustion engine body for supplying combustion gas to the internal combustion engine body, and a turbine that rotates coaxially with the compressor.
  • a charger an electric motor that drives the supercharger, an exhaust valve opening / closing device that opens and closes an exhaust valve provided in a cylinder portion of the internal combustion engine body, and a control device that drives and controls the electric motor and the exhaust valve opening / closing device
  • the exhaust valve opening / closing device is driven when the supercharger is driven by the electric motor after the rotation of the internal combustion engine main body is stopped. Then, the exhaust valve is opened.
  • the exhaust valve is opened when the internal combustion engine is stopped, the combustion gas supplied into the cylinder part by the compressor is discharged to the exhaust system, and the combustion gas pumped to the cylinder part is low.
  • the reliability of the supercharger can be improved.
  • the method for controlling an internal combustion engine includes a step of starting driving an electric motor to drive a supercharger, and an internal combustion engine before the time when the rotational speed of the supercharger reaches a preset surging rotational speed. Opening the exhaust valve provided in the cylinder portion, closing the exhaust valve when an internal combustion engine rotation start signal is input, closing the exhaust valve and supplying the fuel without supplying fuel And a step of supplying fuel to the internal combustion engine when the rotational speed of the internal combustion engine reaches a preset fuel supply start rotational speed.
  • the exhaust valve is opened until just before the rotation of the internal combustion engine, so that the combustion gas to be pumped to the cylinder portion has a low flow rate and a high pressure. Therefore, the reliability of the supercharger can be improved by suppressing the occurrence of surging during startup of the internal combustion engine.
  • the step of stopping the supply of fuel to the internal combustion engine body when the internal combustion engine stop signal is input, and the supercharger is driven by the electric motor after the rotation of the internal combustion engine body is stopped.
  • the exhaust valve is opened after the internal combustion engine is stopped, the combustion gas pumped to the cylinder portion is suppressed from becoming a high pressure at a low flow rate, and the occurrence of surging when the internal combustion engine is stopped is suppressed.
  • the reliability of the supercharger can be improved.
  • the control device and method for the internal combustion engine of the present invention it is possible to improve the reliability of the supercharger by suppressing the occurrence of surging when starting the internal combustion engine.
  • FIG. 1 is a schematic configuration diagram showing the internal combustion engine of the first embodiment.
  • FIG. 2 is a cross-sectional view showing a cylinder portion in the internal combustion engine.
  • FIG. 3 is a flowchart showing a control method when the internal combustion engine is started.
  • FIG. 4 is a flowchart showing a control method when the internal combustion engine is stopped.
  • FIG. 5 is a time chart showing a control method of the internal combustion engine.
  • FIG. 6 is a time chart showing the control method of the internal combustion engine of the second embodiment.
  • FIG. 1 is a schematic configuration diagram showing the internal combustion engine of the first embodiment
  • FIG. 2 is a cross-sectional view showing a cylinder portion in the internal combustion engine.
  • a marine diesel engine 10 as an internal combustion engine includes a diesel engine main body 11, an exhaust turbine supercharger (supercharger) 12, and a control device 40. Yes.
  • the diesel engine main body 11 is provided with a plurality of cylinder parts 13, and each cylinder part 13 has a piston 51 (see FIG. 2), which will be described later, supported in a reciprocating manner therein.
  • the lower part is connected to the crankshaft via a crosshead.
  • the cylinder portion 13 is connected to a scavenging trunk 15 via a scavenging port 14 and to an exhaust manifold 17 via an exhaust port 16.
  • the scavenging trunk 15 is connected to a compressor (compressor) 21 of the exhaust turbine supercharger 12 via an intake pipe L1.
  • the exhaust manifold 17 is connected to the turbine 22 of the exhaust turbine supercharger 12 via an exhaust pipe L2.
  • the cylinder portion 13 is provided with an exhaust valve 18 that exhausts exhaust gas to the exhaust port 16.
  • the cylinder part 13 is provided with an injector 19 as a fuel supply device for injecting fuel (for example, heavy oil, natural gas, etc.) into the inside (combustion chamber).
  • the injector 19 is connected to a fuel tank (not shown). Has been.
  • the cylinder portion 13 has a cylindrical shape, and a piston 51 is supported therein so as to be capable of reciprocating along the vertical direction.
  • the cylinder portion 13 is provided with a scavenging port 14 on a lower side surface, and the scavenging port 14 communicates with a scavenging trunk 15.
  • the cylinder portion 13 is provided with an exhaust port 16 at an upper portion thereof, and the exhaust port 16 communicates with an exhaust manifold 17.
  • the piston 51 has a lower end connected to the upper end of a piston rod 52, and the lower end of the piston rod 52 is connected to a crankshaft via a crosshead.
  • a combustion chamber 53 is defined by an upper inner wall surface and an upper surface of the piston 51, and the scavenging port 14 and the exhaust port 16 communicate with the combustion chamber 53.
  • the exhaust valve 18 can open and close a communicating portion with the exhaust port 16 in the cylinder portion 13, and is operated by an exhaust valve opening / closing device 54.
  • the injector 19 injects fuel into the combustion chamber 53.
  • the scavenging port 14 opens, so that the combustion gas in the scavenging trunk 15 is introduced from the scavenging port 14 into the combustion chamber 53, and the piston 51 rises. Then, the scavenging port 14 is closed. At this time, the exhaust port 16 is also closed by the exhaust valve 18, and the combustion gas in the combustion chamber 53 is compressed.
  • the piston 51 moves to the top dead center (the two-dot chain line position in FIG. 2)
  • the pressure in the combustion chamber 53 becomes a predetermined compression pressure, and the injector 19 injects fuel.
  • the combustion gas and the fuel are mixed and burned in the combustion chamber 53, and the piston 51 is lowered by the combustion energy.
  • the exhaust port 16 is opened by the exhaust valve 18 so that the exhaust gas (combustion gas) in the combustion chamber 53 is discharged to the exhaust port 16.
  • the exhaust valve 18 is provided with a piston 55 at an upper portion thereof, and this piston 55 is supported so as to be movable up and down in a case 56, and the inside of the case 56 is a piston 55.
  • the air spring chamber 56a and the hydraulic oil chamber 56b are partitioned.
  • the air spring chamber 56a is filled with pressurized air, so that a predetermined air spring force acts on the lower portion of the piston 55, and pressure to raise the piston 55 is generated. Therefore, the exhaust valve 18 is biased in the direction to close the exhaust port 16 by the air spring pressure of the air spring chamber 56a.
  • the hydraulic oil chamber 56 b is connected to a hydraulic oil supply device (hydraulic oil supply source) 58 via a hydraulic oil passage 57, and a control valve 59 is provided in the hydraulic oil passage 57. Therefore, when the hydraulic oil supply device 58 is operated and the control valve 59 is opened, the hydraulic oil is supplied to the hydraulic oil chamber 56b through the hydraulic oil passage 57, and pressure for lowering the piston 55 is generated. When the hydraulic pressure in the hydraulic oil chamber 56b becomes larger than the air spring pressure in the air spring chamber 56a, the piston 55 descends and the exhaust valve 18 that has closed the exhaust port 16 opens the exhaust port 16.
  • a hydraulic oil supply device hydraulic oil supply source
  • an exhaust valve opening / closing device 54 is provided for the exhaust valve 18 of each cylinder section 13, and each exhaust valve 18 is controlled to open / close independently by opening / closing each control valve 59. can do.
  • the diesel engine main body 11 is provided with a working gas supply device 24 that can rotate the diesel engine main body 11 without injecting fuel into the cylinder portion 13 (combustion chamber 53).
  • the working gas supply device 24 is a device that operates the piston 51 (see FIG. 2) of the cylinder unit 13 by supplying the working gas (for example, air as combustion gas) to the cylinder unit 13, for example.
  • the working gas supply device 24 includes a working gas supply source 25 (for example, an accumulator or a pump), an on-off valve 26, and a working gas supply pipe L5.
  • the working gas supply pipe L ⁇ b> 5 has a working gas supply source 25 connected to a base end portion, a tip portion branched into a plurality (six in this embodiment), and is connected to each cylinder portion 13.
  • the working gas supply pipe L5 is provided with an opening / closing valve 26 at a branch portion connected to each cylinder portion 13.
  • the working gas supply device 24 supplies the working gas of the working gas supply source 25 from the working gas supply pipe L5 to the cylinder unit 13 by controlling the opening and closing of each on-off valve 26 when the diesel engine body 11 is started. it can. That is, the working gas supply device 24 repeats the supply or stop of the supply of the working gas to the cylinder unit 13 to operate the piston 51 without injecting fuel into the cylinder unit 13 and the crankshaft of the crankshaft through the crosshead. Rotation can begin.
  • the exhaust turbine supercharger 12 is configured such that a compressor 21 and a turbine 22 are coaxially connected via a rotating shaft 23, and the compressor 21 and the turbine 22 can rotate integrally with the rotating shaft 23.
  • the compressor 21 is connected to an intake pipe L3 that intakes air from the outside, and is connected to an intake pipe L1 that reaches the scavenging trunk 15.
  • the turbine 22 is connected to an exhaust pipe L2 that reaches the exhaust manifold 17 and an exhaust pipe L4 that exhausts to the outside.
  • the turbine 22 is driven by the exhaust gas (combustion gas) guided from the exhaust manifold 17 through the exhaust pipe L2, and after driving the compressor 21, the exhaust gas is discharged from the exhaust pipe L4 to the outside.
  • the compressor 21 is driven by the turbine 22 and compresses a gas such as air sucked from the intake pipe L3, and then pumps the compressed gas such as air from the intake pipe L1 to the scavenging trunk 15 as a combustion gas.
  • the exhaust turbine supercharger 12 is a hybrid supercharger, and is connected to a motor generator (motor) 32 via a rotation shaft 31 coaxial with the rotation shaft 23 of the compressor 21 and the turbine 22.
  • the motor generator 32 includes a rotor fixed to the rotary shaft 31 and a stator fixed to the casing and disposed around the rotor.
  • the motor generator 32 has a power generation function for generating power by being driven by exhaust gas, and also has an electric function for driving and rotating the compressor 21 and the turbine 22.
  • the exhaust turbine supercharger 12 includes a power conversion device 33.
  • the power conversion device 33 includes a first power conversion unit 34, a power storage unit 35, and a second power conversion unit 36.
  • the first power conversion unit 34 is connected to the motor generator 32, and converts AC power generated by the motor generator 32 into DC power and outputs it during the regenerative operation of the motor generator 32.
  • the second power conversion unit 36 is connected to the inboard power system 37, and converts the DC power from the first power conversion unit 34 into three-phase AC power suitable for the inboard power system 37 during the regenerative operation of the motor generator 32.
  • the power storage unit 35 is connected between the first power conversion unit 34 and the second power conversion unit 36 and stores the DC power from the first power conversion unit 34 by a predetermined amount.
  • the power storage unit 35 is provided to smooth the power output to the second power conversion unit 36, and outputs the power stored at the start of the regenerative operation of the motor generator 32 to the second power conversion unit 36.
  • the power output to the second power conversion unit 36 after the start of the regenerative operation is output from the motor generator 32 via the first power conversion unit 34.
  • the second power conversion unit 36 converts the three-phase AC power from the inboard power system 37 into DC power and outputs it to the first power conversion unit 34 when the motor generator 32 is in a power running operation.
  • the first power conversion unit 34 converts the DC power from the second power conversion unit 36 into an AC dielectric force and outputs it to the motor generator 32 during the power running operation of the motor generator 32.
  • the power storage unit 35 stores the DC power from the second power conversion unit 36 by a predetermined amount.
  • the power storage unit 35 is provided to smooth the power output to the first power conversion unit 34, and outputs the power stored at the start of the power running operation of the motor generator 32 to the first power conversion unit 34.
  • the power output to the first power conversion unit 34 after the power running operation is started is output from the inboard power system 37 via the second power conversion unit 36.
  • the configuration of the power conversion device 33 is not described in detail.
  • the first power conversion unit 34 is a converter
  • the power storage unit 35 is a capacitor
  • the second power conversion unit 36 is an inverter.
  • the control device 40 includes a first control device 41 that controls the motor generator 32 and a second control device 42 that controls the diesel engine main body 11.
  • the first control device 41 can control the motor generator 32 by controlling the first power conversion unit 34 and the second power conversion unit 36. That is, the first control device 41 controls the functions of the first power conversion unit 34 and the second power conversion unit 36 in accordance with the driving state (regenerative operation state or power running operation state) of the motor generator 32.
  • the second control device 42 can drive and control the injector (fuel supply device) 19, the exhaust valve opening / closing device 54, and the working gas supply device 24 in the diesel engine body 11. That is, the second control device 42 controls the injector 19 by controlling the fuel injection timing and the fuel injection amount. Further, the second control device 42 controls the opening / closing timing and the opening / closing time of the exhaust valve 18 by controlling the opening / closing of the control valve 59 constituting the exhaust valve opening / closing device 54. Further, the second control device 42 controls opening / closing of the on-off valve 26 constituting the working gas supply device 24 to control the working gas supply timing and the working gas supply amount to the cylinder unit 13.
  • the control device 40 drives the motor generator 32 to exhaust the exhaust before driving the injector 19 and injecting fuel into the cylinder portion 13 when the diesel engine body 11 is started.
  • the exhaust valve opening / closing device 54 is driven to open the exhaust valve 18 before the time when the rotational speed of the exhaust turbine supercharger 12 reaches a preset surging rotational speed.
  • the control device 40 controls the second power conversion unit 36 so as to control the three from the inboard power system 37.
  • the phase AC power is converted into DC power and stored in the power storage unit 35, and the voltage of the power storage unit 35 is made to reach a preset standby voltage.
  • the control device 40 opens the control valve 59 of the exhaust valve opening / closing device 54 and opens the exhaust valve 18, thereby connecting the combustion chamber 53 and the exhaust port 16.
  • the control device 40 controls the first power conversion unit 34 to convert the DC power of the power storage unit 35 into AC power and drive the motor generator 32.
  • the electric power from the inboard power system 37 is output to the motor generator 32 so that the turbine rotational speed reaches the engine rotational start rotational speed set in advance and is maintained.
  • the turbine rotational speed is the compressor rotational speed (compressor rotational speed) and is the supercharger rotational speed.
  • the control device 40 drives the exhaust valve opening / closing device 54 to close the exhaust valve 18.
  • the control device 40 drives the working gas supply device 24 after a predetermined first standby time has elapsed.
  • the operating gas supply device 24 controls the opening and closing of the respective on-off valves 26 to start an air run in which the supply and stop of supply of the working gas into the cylinder portion 13 of the diesel engine body 11 are repeated.
  • the engine speed of the diesel engine body 11 increases.
  • the control device 40 drives each injector 19 to supply fuel into the cylinder portion 13 of the diesel engine body 11. Then, the diesel engine main body 11 starts operation by combustion.
  • the first standby time is a time considering the operation delay of the exhaust valve 18 by the exhaust valve opening / closing device 54. That is, as shown in FIG. 2, the hydraulic oil supply device 58 opens the control valve 59 and the hydraulic oil is supplied to the hydraulic oil chamber 56b so that the hydraulic pressure acts on the piston 55. When the air spring pressure exceeds 56 a, the piston 55 descends and the exhaust valve 18 opens the exhaust port 16. On the other hand, when the air spring pressure in the air spring chamber 56a becomes larger than the hydraulic pressure supplied to the hydraulic oil chamber 56b, the piston 55 rises and the exhaust valve 18 closes the exhaust port 16. Therefore, there is a delay time from when the control valve 59 is closed until the exhaust valve 18 closes the exhaust port 16. The first standby time is longer than the operation delay time of the exhaust valve 18, and is set in advance by experiments or the like.
  • the control device 40 stops driving the injector 19 and stops fuel injection into the cylinder portion 13, thereby
  • the exhaust valve opening / closing device 54 is driven to open the exhaust valve 18.
  • the control device 40 drives the exhaust valve opening / closing device 54 to open the exhaust valve 18.
  • the rotational speed of the diesel engine body 11 is detected by a rotational speed sensor and output to the control device 40, but here, a detection error may occur. Therefore, the engine stop rotational speed is set, for example, in the range of 0 rpm to 5 rpm.
  • the control device 40 controls the second power conversion unit 36 to store power from the inboard power system 37 to the power storage unit 35.
  • the exhaust valve opening / closing device 54 is driven to close the exhaust valve 18.
  • the second standby time is a time that takes into account the time until the rotation of the exhaust turbine supercharger 12 stops. That is, even if the exhaust gas turbocharger 12 stops supplying power from the motor generator 32, it does not stop immediately but idles for a predetermined time.
  • the second standby time is longer than the time until the idle rotation of the exhaust turbine supercharger 12 stops, and is set in advance through experiments or the like.
  • the motoring start signal 101 and the engine rotation start signal 102 are output when a person in the ship operates an operation panel (not shown), and a switch for transmitting the motoring start signal 101 is provided. A switch for transmitting the engine rotation start signal 102 is provided.
  • FIG. 3 is a flowchart showing a control method when the internal combustion engine is started
  • FIG. 4 is a flowchart showing a control method when the internal combustion engine is stopped
  • FIG. 5 is a time chart showing the control method of the internal combustion engine.
  • step S ⁇ b> 1 the control device 40 determines whether or not the motoring start signal 101 is input. Here, if it is determined that the motoring start signal 101 is not input (No), the process stands by as it is. On the other hand, if it is determined that the motoring start signal 101 has been input (Yes), the control device 40 controls the second power conversion unit 36 in step S2 to thereby change the three-phase AC from the inboard power system 37. Electric power is converted into DC power, and electric storage in the electric storage unit 35, that is, precharge is started.
  • step S ⁇ b> 3 the control device 40 opens the exhaust port 16 by the exhaust valve 18 by opening the control valve 59 of the exhaust valve opening / closing device 54. Then, in step S4, control device 40 detects the DC bus voltage of power storage unit 35, and determines whether the DC bus voltage of power storage unit 35 has reached a specified value or more, that is, whether or not the standby voltage described above has been reached. judge.
  • the control device 40 controls the first power conversion unit 34 in step S5, thereby controlling the power storage unit 35.
  • the DC power is converted into AC power and the motor generator 32 is started to be driven.
  • the electric power from the inboard power system 37 is output to the motor generator 32 and motoring is started. That is, the motor generator 32 drives and rotates the compressor 21 and the turbine 22 of the exhaust turbine supercharger 12 to increase the turbine rotational speed.
  • the control device 40 determines whether the motoring is stable and the turbine rotation speed has reached the engine rotation start rotation speed.
  • the turbine rotation speed is further increased.
  • the combustion gas is supplied to the cylinder portion 13 through the intake pipe L1, and surging may occur.
  • the diesel engine main body 11 is not activated, the exhaust valve 18 is opened by the exhaust valve opening / closing device 54 in step S3. Therefore, the combustion gas supplied to the cylinder portion 13 through the intake pipe L1 is discharged to the exhaust manifold 17 through the exhaust port 16, and the occurrence of surging is suppressed.
  • step S7 the increase in turbine rotational speed is stopped and this rotational speed is maintained.
  • the control device 40 waits for the input of the engine rotation start signal 102.
  • control device 40 maintains the DC bus voltage of power storage unit 35 at a standby voltage (for example, 600 V), and maintains the turbine speed at the engine rotation start speed (for example, 500 rpm).
  • step S8 the control device 40 determines whether or not the engine rotation start signal 102 has been input.
  • the exhaust valve 18 is closed by the exhaust valve 18 by closing the control valve 59 of the exhaust valve opening / closing device 54 in step S9.
  • step S10 control device 40 determines whether or not the first standby time has elapsed since engine rotation start signal 102 was input.
  • the process waits as it is.
  • step S11 the on / off valve 26 is controlled to be opened and closed, and the working gas is supplied to the diesel engine main body 11, thereby executing an air run and the engine. Increase the speed.
  • This air run is to reciprocate the piston 51 by repeatedly supplying and stopping the supply of working gas into the cylinder portion 13 of the diesel engine main body 11, and to rotate the crankshaft via the cross head.
  • step S12 the control device 40 determines whether or not the engine speed has reached the fuel supply start speed (for example, 5 rpm). Here, if it is determined (No) that the engine speed has not reached the fuel supply start speed, the air run is continued. On the other hand, if it is determined that the engine speed has reached the fuel supply start speed (Yes), each injector 19 is driven in step S13 to enter the cylinder portion 13 (combustion chamber 53) of the diesel engine body 11. Inject fuel. Then, since the marine diesel engine 10 ignites the fuel in the cylinder part 13 (combustion chamber 53) and starts combustion, the combustion operation can be started.
  • the fuel supply start speed for example, 5 rpm
  • step S21 the control device 40 determines whether or not the engine rotation start signal 102 is input.
  • the engine rotation start signal 102 is input (Yes)
  • the engine drive state is continued as it is.
  • the drive of each injector 19 is stopped and the inside of the cylinder portion 13 (combustion chamber 53) of the diesel engine main body 11 is stopped in step S22. Stop fuel injection.
  • the marine diesel engine 10 stops the combustion operation and the engine speed decreases.
  • step S23 the control device 40 determines whether or not the rotational speed of the diesel engine body 11 has decreased to the engine stop rotational speed. If it is determined (No) that the engine speed has not decreased to the engine stop speed, this state is maintained. On the other hand, if it is determined that the exhaust turbine supercharger 12 is driven by the motor generator 32 (Yes), the control device 40 opens the control valve 59 of the exhaust valve opening / closing device 54 in step S24. Thus, the exhaust port 16 is opened by the exhaust valve 18.
  • step S25 the control device 40 determines whether or not the motoring start signal 101 is input. Here, if it is determined that the motoring start signal 101 is input (Yes), the process waits as it is. On the other hand, when it is determined that the motoring start signal 101 is no longer input (No), the control device 40 controls the second power conversion unit 36 in step S26 to complete the precharge and the electric drive. Power supply to the generator 32 is stopped.
  • step S27 the control device 40 determines whether or not the second waiting time has elapsed since the input of the motoring start signal 101 is lost. Here, if it is determined (No) that the second waiting time has not elapsed, the process waits as it is. On the other hand, if it is determined that the second standby time has elapsed (Yes), the exhaust valve 18 is closed by the exhaust valve 18 by closing the control valve 59 of the exhaust valve opening / closing device 54 in step S28.
  • the operation timing of the control device for the internal combustion engine of the first embodiment will be described.
  • the second power converter 36 converts the three-phase AC power from the inboard power system 37 into DC power. Precharging is started by storing power in the power storage unit 35, and the DC bus voltage of the power storage unit 35 increases.
  • the control valve 59 of the exhaust valve opening / closing device 54 is opened (exhaust valve air pressure OFF)
  • the exhaust port 16 is opened by the exhaust valve 18 at a time t2 delayed by a predetermined time.
  • the first power conversion unit 34 converts the DC power of the power storage unit 35 into AC power and starts driving the motor generator 32.
  • the turbine rotational speed of the exhaust turbine supercharger 12 is increased.
  • the turbine rotation speed reaches the engine rotation start rotation speed at time t3
  • the turbine rotation speed is maintained at the engine rotation start rotation speed.
  • the input of the engine rotation start signal 102 is awaited.
  • the control valve 59 of the exhaust valve opening / closing device 54 is closed (exhaust valve air pressure ON), and exhaust is performed by the exhaust valve 18 at time t5 delayed by a predetermined time. Port 16 is closed.
  • the engine speed is increased by executing an air run that repeatedly opens and closes the on-off valve 26.
  • the turbine 22 rotates, so that the turbine speed also increases.
  • the injector 19 is driven to inject fuel into the cylinder portion 13.
  • the marine diesel engine 10 starts combustion in the cylinder part 13 (combustion chamber 53), and the engine speed rises to a specified speed and starts a combustion operation.
  • injector 19 an exhaust valve opening / closing device 54, a motor generator 32, a working gas supply device 24, a control device 40 for controlling the injector 19 and the exhaust valve opening / closing device 54 are provided, and the control device 40 is a diesel engine.
  • the exhaust turbine supercharger 12 is driven by driving the motor generator 32 before driving the injector 19 at the time of starting the main body 11, the surging rotational speed at which the rotational speed of the exhaust turbine supercharger 12 is set in advance is set.
  • the exhaust valve opening / closing device 54 is driven to open the exhaust valve 18.
  • the exhaust valve 18 is turned on before the time when the rotational speed of the exhaust turbine supercharger 12 reaches the surging rotational speed. Open. That is, when the diesel engine main body 11 is stopped, the exhaust valve 18 is opened, so that the combustion gas supplied into the cylinder portion 13 by the compressor 21 is discharged to the exhaust port 16. It is possible to improve the reliability of the exhaust turbine supercharger 12 by suppressing the generation of surging while the diesel engine main body 11 is stopped while the combustion gas to be pumped is suppressed from becoming a high pressure at a low flow rate. .
  • the timing of opening the exhaust valve 18 is immediately before the rotational speed of the exhaust turbine supercharger 12 reaches the surging rotational speed.
  • the pressure ratio and flow rate of the combustion gas approaches the surge line so as not to exceed the surge line, so that the power consumption of the motor generator 32 can be further reduced.
  • the control device 40 drives the exhaust valve opening / closing device 54 to open the exhaust valve 18. To do. Accordingly, since the opening / closing of the exhaust valve 18 is only controlled based on the motoring start signal 101, the control system can be simplified, and the exhaust valve 18 is opened at an appropriate time to appropriately generate surging. Can be suppressed.
  • a power storage unit 35 that supplies power to the motor generator 32 is provided, and the control device 40 starts power storage in the power storage unit 35 and drives the exhaust valve opening / closing device 54 to perform exhaust.
  • the valve 18 is opened. Therefore, by starting the power storage in the power storage unit 35 and opening the exhaust valve 18, the diesel engine main body 11 is started up using an electric motor for driving the compressor 21 without using another device such as an auxiliary blower. Thus, the startability of the diesel engine main body 11 can be improved while suppressing an increase in equipment cost.
  • the control device 40 drives the exhaust valve opening / closing device 54 to close the exhaust valve 18 when the engine rotation start signal 102 for starting the rotation start of the diesel engine body 11 is input. . Therefore, since the exhaust valve 18 is closed when the diesel engine main body 11 starts to rotate, the pressure of the combustion gas in the cylinder portion 13 can be increased, and the diesel engine main body 11 can be started properly. it can.
  • a working gas supply device 24 that starts rotation start of the diesel engine main body 11 without supplying fuel to the diesel engine main body 11 is provided, and the control device 40 receives the engine rotation start signal 102 as input. Then, the working gas supply device 24 is driven after the elapse of a predetermined first standby time T1 set in advance. Therefore, by securing the first waiting time T1, even if the exhaust valve 18 is delayed in operation, the diesel engine main body 11 is started after the exhaust valve 18 is completely closed. Can be executed smoothly.
  • the exhaust turbine supercharger 12 is driven by the motor generator 32.
  • the exhaust valve opening / closing device 54 is driven to open the exhaust valve 18.
  • the exhaust valve 18 is opened if the exhaust turbine supercharger 12 is driven by the motor generator 32. That is, since the exhaust valve 18 is opened when the diesel engine body 11 is stopped, the combustion gas supplied into the cylinder portion 13 by the compressor 21 is discharged to the exhaust port 16, It is possible to improve the reliability of the exhaust turbine supercharger 12 by suppressing the combustion gas being pumped from becoming a high pressure at a low flow rate and suppressing the occurrence of surging when the diesel engine body 11 is stopped. .
  • the control device 40 opens the exhaust valve 18 by driving the exhaust valve opening / closing device 54 when the rotational speed of the diesel engine body 11 reaches a preset engine stop rotational speed. Therefore, the exhaust valve 18 is opened with the diesel engine main body 11 substantially stopped, and the exhaust valve 18 can be opened at an appropriate time to appropriately suppress the occurrence of surging.
  • the control device 40 supplies the power storage unit 35 with the motoring stop signal.
  • the exhaust valve opening / closing device 54 is driven to close the exhaust valve 18 after elapse of a predetermined second standby time T2 set in advance. Therefore, the exhaust valve 18 is closed after the exhaust turbine supercharger 12 is completely stopped, and the occurrence of surging can be reliably suppressed.
  • the exhaust turbine supercharger 12 when the exhaust turbine supercharger 12 is driven by driving the motor generator 32 before driving the injector 19 when the diesel engine body 11 is started, Before the time when the rotational speed of the turbine supercharger 12 reaches a preset surging rotational speed, the exhaust valve opening / closing device 54 is driven to open the exhaust valve 18. Therefore, the combustion gas supplied into the cylinder part 13 by the compressor 21 is discharged to the exhaust port 16, and the combustion gas pumped to the cylinder part 13 is suppressed from becoming a high pressure at a low flow rate. By suppressing the occurrence of surging when the engine body 11 is started, the reliability of the exhaust turbine supercharger 12 can be improved.
  • the exhaust valve supercharger 54 when the rotation of the diesel engine body 11 is stopped, the exhaust valve supercharger 54 is in a state where the exhaust turbine supercharger 12 is driven by the motor generator 32. Is driven to open the exhaust valve 18. Therefore, the combustion gas supplied into the cylinder part 13 by the compressor 21 is discharged to the exhaust port 16, and the combustion gas pumped to the cylinder part 13 is suppressed from becoming a high pressure at a low flow rate. By suppressing the occurrence of surging when the engine body 11 is stopped, the reliability of the exhaust turbine supercharger 12 can be improved.
  • the step of starting the motor generator 32 to drive the exhaust turbine supercharger 12 and the rotation speed of the exhaust turbine supercharger 12 are the surging rotation.
  • the process of opening the exhaust valve 18 provided in the cylinder part 13 before the time when the number reaches the number, the process of closing the exhaust valve 18 when the engine rotation start signal 102 is input, the process of closing the exhaust valve 18 and supplying the fuel A step of starting the diesel engine main body 11 without supplying the fuel, and a step of supplying fuel to the cylinder unit 13 when the rotational speed of the diesel engine main body 11 reaches the fuel supply start rotational speed.
  • the exhaust valve 18 is opened when the diesel engine body 11 is started, the combustion gas pumped to the cylinder portion 13 is suppressed from becoming a high pressure at a low flow rate, and when the diesel engine body 11 is started. By suppressing the occurrence of surging, the reliability of the exhaust turbine supercharger 12 can be improved.
  • FIG. 6 is a time chart showing the control method of the internal combustion engine of the second embodiment.
  • the basic configuration of the present embodiment is substantially the same as that of the first embodiment described above, and will be described with reference to FIGS. 1 and 2 and have the same functions as those of the first embodiment described above.
  • the members are denoted by the same reference numerals, and detailed description thereof is omitted.
  • the control device 40 drives the motor generator 32 before driving the injector 19 and injecting fuel into the cylinder portion 13 when the diesel engine body 11 is started.
  • the exhaust valve opening / closing device 54 is driven to exhaust the exhaust valve 18 before the time when the rotational speed of the exhaust turbine supercharger 12 reaches a preset surging rotational speed. Is released.
  • the control device 40 controls the second power conversion unit 36 so as to control the three from the inboard power system 37.
  • the phase AC power is converted into DC power and stored in the power storage unit 35, and the voltage of the power storage unit 35 is made to reach a preset standby voltage.
  • the control device 40 opens the control valve 59 of the exhaust valve opening / closing device 54 and opens the exhaust valve 18, thereby connecting the combustion chamber 53 and the exhaust port 16.
  • the control device 40 drives the exhaust valve opening / closing device 54 only between the scavenging port of the diesel engine body 11 and the exhaust valve 18, that is, only to the cylinder portion 13 where the scavenging port 14 is open.
  • the exhaust valve 18 is opened.
  • the diesel engine main body 11 is provided with six cylinder portions 13, and the pistons 51 provided in the respective cylinder portions 13 reciprocate synchronously. Although it moves, its movement position is different. Therefore, the diesel engine main body 11 is in a stopped state before startup, and all the exhaust valves 18 close the exhaust port 16, but the scavenging port 14 is closed with the opened cylinder portion 13 and the closed cylinder. Part 13 exists.
  • the control device 40 opens only the exhaust valve 18 of the cylinder portion 13 in which the scavenging port 14 is opened.
  • the control device 40 drives the exhaust valve opening / closing device 54 to close the exhaust valve 18. And the control apparatus 40 drives the working gas supply apparatus 24 simultaneously with the engine rotation start signal 102 being input.
  • the control device 40 immediately drives the working gas supply device 24 without securing the first waiting time.
  • the control unit 40 drives each injector 19 to thereby drive the cylinder portion 13 of the diesel engine body 11. Supply fuel inside. Then, the diesel engine main body 11 starts operation by combustion.
  • the operation timing of the control device for the internal combustion engine of the second embodiment will be described.
  • the second power converter 36 converts the three-phase AC power from the inboard power system 37 into DC power. Precharging is started by storing power in the power storage unit 35, and the DC bus voltage of the power storage unit 35 increases.
  • the control valve 59 of the exhaust valve opening / closing device 54 is opened (exhaust valve air pressure OFF) only for the cylinder portion 13 where the scavenging port 14 is opened, at a time t22 delayed by a predetermined time, The exhaust port 16 is opened by the exhaust valve 18.
  • the first power conversion unit 34 converts the DC power of the power storage unit 35 into AC power and starts driving the motor generator 32.
  • the turbine rotational speed of the exhaust turbine supercharger 12 is increased.
  • the turbine rotation speed reaches the engine rotation start rotation speed at time t23, the turbine rotation speed is maintained at the engine rotation start rotation speed.
  • the input of the engine rotation start signal 102 is awaited.
  • the control valve 59 of the exhaust valve opening / closing device 54 is closed (exhaust valve air pressure ON), and exhaust is performed by the exhaust valve 18 at time t25 delayed by a predetermined time. Port 16 is closed.
  • the engine rotation start signal 102 is input, the engine speed is increased by executing an air run that repeatedly opens and closes the opening / closing valve 26 immediately after that. At this time, since the working gas supplied to the cylinder part 13 by the air run and the combustion gas pumped by the compressor 21 are discharged, the turbine 22 rotates, so that the turbine speed also increases.
  • the injector 19 is driven to inject fuel into the cylinder portion 13. Then, the marine diesel engine 10 starts combustion in the cylinder part 13 (combustion chamber 53), and the engine speed rises to a specified speed and starts a combustion operation.
  • the control device 40 drives the motor generator 32 before driving the injector 19 when the diesel engine body 11 is started, so that the exhaust turbine supercharger 12 is driven. Is driven only before the cylinder portion 13 in which the scavenging port 14 in the diesel engine main body 11 is opened before the time when the rotational speed of the exhaust turbine supercharger 12 reaches a preset surging rotational speed.
  • the exhaust valve opening / closing device 54 is driven to open the exhaust valve 18.
  • the control device 40 drives the working gas supply device 24 simultaneously with the input of the engine rotation start signal 102. Accordingly, since the exhaust valve 18 of the cylinder portion 13 where the scavenging port 14 is closed by the piston 51 is closed, when the engine rotation start signal 102 is input and the rotation of the diesel engine body 11 is started, the exhaust valve 18 is started. Even if there is a delay in operation of the exhaust valve 18 of the cylinder part 13 in which the scavenging port 14 is opened, the pressure of the combustion gas in the cylinder part 13 in which the engine is closed can be increased. 11 can be activated properly.
  • the exhaust valve 18 is urged in the direction in which the exhaust port 16 is closed by the air spring pressure acting on the air spring chamber 56a, and hydraulic pressure is applied to the hydraulic oil chamber 56b, whereby the exhaust valve
  • the air spring pressure may be configured by a spring, or the exhaust valve 18 may be opened and closed only by hydraulic pressure.
  • the exhaust turbine supercharger 12 as a supercharger of this invention was used as the hybrid supercharger, and the motor of this invention was used as the motor generator 32, it is limited to this structure. is not.
  • the motor generator 32 may be a simple motor (motor), and a battery as a power storage unit may be connected to the motor.
  • the working gas supply apparatus 24 was comprised by the working gas supply source 25, the on-off valve 26, and the working gas supply pipe L5, it is not limited to this structure.
  • the working gas supply device may be an electric motor, the electric motor may be connected to a crankshaft of an internal combustion engine, and the crankshaft may be forcibly driven and rotated by the electric motor.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

L'invention concerne un dispositif et un procédé de commande d'un moteur à combustion interne, le dispositif de commande (40) entraînant un compresseur de suralimentation à turbine d'échappement (12) par entraînement d'un générateur d'énergie électrique (32) avant de provoquer l'entraînement d'un injecteur (19) lors du démarrage d'un corps de moteur diesel (11), le dispositif de commande (40) entraînant un dispositif d'ouverture/fermeture (54) de soupape d'échappement de sorte à ouvrir une soupape d'échappement (18) avant l'instant auquel la vitesse de rotation du compresseur de suralimentation à turbine d'échappement (12) atteint une vitesse de rotation de pompage qui a été définie au préalable.
PCT/JP2017/000119 2016-01-15 2017-01-05 Moteur à combustion interne, et dispositif et procédé de commande de moteur à combustion internedri WO2017122567A1 (fr)

Priority Applications (3)

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KR1020187019366A KR20180091884A (ko) 2016-01-15 2017-01-05 내연 기관, 내연 기관의 제어 장치 및 방법
CN201780006288.5A CN108463621B (zh) 2016-01-15 2017-01-05 内燃机、内燃机的控制装置和方法
KR1020207010656A KR102127619B1 (ko) 2016-01-15 2017-01-05 내연 기관, 내연 기관의 제어 장치 및 방법

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JP2016006178A JP6650762B2 (ja) 2016-01-15 2016-01-15 内燃機関、内燃機関の制御装置及び方法

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JP2019005381A (ja) * 2017-06-27 2019-01-17 株式会社大一商会 遊技機
KR20190045804A (ko) * 2017-10-24 2019-05-03 현대중공업 주식회사 선박용 엔진
WO2021233431A1 (fr) * 2020-05-21 2021-11-25 上海必修福企业管理有限公司 Dispositif de suralimentation par turbine et procédé associé, et système de suralimentation

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JP2017125477A (ja) 2017-07-20
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CN108463621B (zh) 2020-09-22
JP6650762B2 (ja) 2020-02-19
CN108463621A (zh) 2018-08-28
KR20180091884A (ko) 2018-08-16

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