• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The engine plant comprises a plurality of turbocharged combustion engines (1, 2), the charging air systems of which are interconnected by means of a closeable conduit (14). Conduit (14) is adapted to supply supplementary charging air from the charging air system of a loaded engine (1) to the charging air system of an unloaded engine (2). A stop valve (15) is provided in the conduit and is controlled in dependence on the working condition of the associated engine (2) on the basis of a comparison between the charging air pressure and the exhaust gas pressure. Said comparison of pressures is effected by means of a surveillance unit (18) accommodating a duct system with two separate branches connected with the charging air system and the exhaust gas system, respectively. The branches are connected with a common outlet and a thermosensor is provided in either branch. By suitable dimensioning of the surveillance unit (18) it is obtained that said two thermosensors-dependent on the prevailing pressures-are either surrounded by two different gas flows or surrounded by the same gas flow. This provides for obtaining that a traditional measuring of pressures with the particular problems involved in this respect is avoided since the aim is now merely to detect a temperature difference which may be effected irrespective of the actual pressure conditions.
    公开号:SU1746898A3
    申请号:SU884355725
    申请日:1988-05-11
    公开日:1992-07-07
    发明作者:Кристиан Лауритсен Ханс
    申请人:Ман Б Энд В Дизель А/С (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to a propulsion system comprising a plurality of turbocharged internal combustion engines, each of which has a separate pressurization system, and is of the type in which the air injection systems of individual engines are interconnected by means of a closed pipeline and control elements are provided.
    A power plant is known that contains internal combustion engines, each of which is equipped with a pressurization system with an intake manifold and an exhaust manifold. One of the engines is used as the main one for driving the load, in particular the ship propeller, and the other engine is used as an auxiliary for driving the ship's electric generator. When working on the drive of the electric generator, the auxiliary engine often operates with low loads and with insufficient boost pressure, which reduces its efficiency and reliability.
    A known installation comprising internal combustion engines, each of which is equipped with a pressurization system with an intake manifold and an exhaust manifold, and an overflow manifold connecting the intake manifold of the main engine with the intake manifold of each connected engine, and a stop valve installed in the overflow manifold at the junction with the intake manifold. the pipeline of the attached engine and having a drive from the control unit with sensors of the parameters of the operating state of the connected engine. The presence of an overflow pipe allows the use of excess air coming from the turbocharger of a loaded engine to increase the boost pressure of the unloaded engine. A loaded engine is considered to be operating at a load of 50-100% of its maximum power. However, the shut-off valve and its control unit are implemented at the same time as a non-return valve, in connection with which of all the parameters of the operating state only the boost pressure is fixed, and this does not ensure sufficient reliability of the power plant,
    The purpose of the invention is to increase reliability.
    To achieve this goal, the control valve of the stop valve is implemented as a tracking unit with a common exhaust and two inlet channels, of which the exhaust channel is connected to the atmosphere and the inlet channels are connected respectively to the inlet pipe and
    The attached engine's exhaust manifold, operating state sensors are made in the form of two thermoelements, each of which is installed in one of the inlet ducts, and the drive of the control element is connected with thermoelements.
    The inlet duct connected to the inlet manifold is made with a lower hydraulic resistance coefficient than the hydraulic resistance coefficient of the other inlet channel as well as the common outlet channel.
    Figure 1 shows a schematic view of a power plant for a ship; Fig. 2 shows a tracking unit, a flat section.
    The power plant (Fig. 1) contains a relatively large constant pressure diesel main engine 1 for moving the vessel and an equally smaller auxiliary engine 2 with turbo charging for driving an electric generator (not shown). The main engine 1 contains a turbocharger 3 with a compressor part 4 and a turbine part 5. Compressed pressurized air is supplied from the compressor part 4 through pipe 6 to the charge air cooler 7 and from there through the charge air intake pipe 8 to the individual cylinders of the engine 1.
    The turbocharger 3 is driven by exhaust gases generated during combustion and fed through the exhaust manifold 9 of the exhaust gases to the turbine part 5 of the turbocharger 3.
    The auxiliary engine 2 is also provided with a turbocharger 10, a charge air cooler 11, a charge air intake pipe 12 and an exhaust manifold 13.
    The bypass pipe 14 connects the intake pipe of the main engine.
    1c with the intake manifold of the auxiliary engine 2 (in FIG. 1 this connection with the auxiliary engine 2 is made as a connection unit to the compressor casing of the turbocharger 10). In the pipe 14, a shut-off valve 15 is installed, the actuator of which is connected to the control unit via the signal line 16, and the latter is made of the comparison unit 17 and the tracking unit 18. The tracking unit 18 is connected by a pipe 19 to the intake pipe 12 of the auxiliary engine.
    2 and by means of a pipeline 20 is connected to the exhaust manifold 13 of the same engine. In addition, the block 18 is connected by a pipe 21 to the exhaust pipe of the engine 2 behind the turbine part of the turbocharger 10. The pipeline 19 may be, for example,
    equipped with a check valve (not shown) or another device that prevents the ingress of hot exhaust gases into the air, for example, if the pipe 20 is blocked.
    The tracking unit 18 (Fig. 2) is provided with an internal channel system comprising a common exhaust port 22 and two intake ports 23 and 2A. The common exhaust port 22 communicates with the atmosphere through the pipe 21. The channel 23 is connected to the intake pipe of the engine 2 and communicated with the common exhaust channel through the knee section 25. Another inlet channel 24 of the sub-key to the exhaust manifold 13 of the same engine 2 and communicated with the common exhaust channel 22 through the knee-shaped section 26. A thermoelement is installed in each intake channel: the first 27 and second 28. At the junction with the thermoelements, the inlet channels are sealed with elements 29 and 30.
    The installation works as follows.
    When the engine 2 is operating in the normal mode, the pressure of the charge air supplied through pipe 19 exceeds the pressure of the exhaust gas supplied through pipe 20. Therefore, air moves through both the whole channel system 18 and the element 28 and 28 measure the same temperature in sections 25 and 26. The signals produced by the thermocouples are compared in block 17 and the result will be the absence of a signal to the actuator of the shut-off valve 15 and the valve should be closed.
    When engine 2 is operating without load or in emergency mode, the pressure of exhaust gas in line 20 exceeds the charge air pressure in line 19. Since channels 24 and 22 have a smaller diameter and, therefore, greater flow resistance than channel 23, the pressure values prevailing at in the emergency mode, hot exhaust gas flows through section 26, and colder charge air flows through section 25. The combined gas flow is discharged from block 18 through conduit 21. Thus, in this case, thermoelements register two different temperatures and the temperature difference will be fixed in block 17, which will entail a signal to the actuator to open valve 15. As a result, aspiration of the main engine 1 will begin to flow additional air to the pressure of the auxiliary engine 2.
    The additional charge means that the pressure of the charge supplied to the tracking unit 18 through the conduit 19 again rises above the pressure of the exhaust gas supplied through the conduit 20. In order to prevent the valve 15 from immediately closing again, the delay 17 is built in a logical part, due to which in the event of an accident, the valve actuator 15 does not receive signals for periodic opening and closing. Since block 17 is usually part of the PIC system. said logical part or time delay may be directly included in the control program of the specified system.
    The dimensions of the channels of the tracking unit 18 are chosen in such a way that the maximum amount of charge air flowing through the block 18 is less than about 1% of the total charge air consumption, or, in other words, so that it is so small that air loss does not affect to work the engine.
    The tracking unit can also be used to regulate other processes that affect the operating state, for example, unit 17 can be connected to multi-way valves that regulate the water supply to the charge air cooler 11.
    By applying such regulation, it is possible to ensure, for example, when the engine is running without load, hot water is supplied to the charge air cooler, and when the engine is under load, the cold water is supplied to the same cooler.
    权利要求:
    Claims (2)
    [1]
    Claims 1. A power plant comprising internal combustion engines, each equipped with a pressurization system with an intake manifold and an exhaust manifold, a bypass manifold connecting the intake manifold of the main engine with the intake manifold of the auxiliary engine, and a stop valve installed in the overflow manifold and having the drive from the control unit with sensors for the parameters of the operating state of the attached engine, characterized in that, in order to increase reliability, an isolation valve is provided with a control unit with a common tracking outlet and two inlets ducts through which exhaust passage communicated with the atmosphere, and the intake ports are respectively connected to the inlet conduit and the exhaust manifold
    the connected engine, the sensors of the parameters of the working state are made in the form of two thermoelements, each of which is installed in one of the inlet channels, and the drive of the control element is connected with the thermoelements.
    [2]
    2. Installation pop. 1, characterized in that the inlet duct connected to the inlet duct is made with a lower hydraulic resistance coefficient than the coefficient of hydraulic resistance of the other inlet channel as well as the common outlet channel.
    25
    2Z
    14
    1
    类似技术:
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    同族专利:
    公开号 | 公开日
    FI882185A0|1988-05-10|
    US4809506A|1989-03-07|
    YU91088A|1993-05-28|
    FI882185A|1988-11-13|
    CN1011725B|1991-02-20|
    KR880014236A|1988-12-23|
    CN88102879A|1988-11-30|
    DK156142B|1989-06-26|
    DK239587D0|1987-05-12|
    DK156142C|1989-11-20|
    DK239587A|1988-11-13|
    BR8802292A|1989-03-07|
    JPS63297732A|1988-12-05|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US1051308A|1912-05-22|1913-01-21|Busch Sulzer Bros Diesel Engine Co|Marine-engine plant.|
    CH215808A|1940-03-29|1941-07-15|Sulzer Ag|Propulsion system for vehicles.|JP3931507B2|1999-11-17|2007-06-20|いすゞ自動車株式会社|Diesel engine turbocharger system|
    US6233943B1|2000-09-27|2001-05-22|Outboard Marine Corporation|Computerized system and method for synchronizing engine speed of a plurality of internal combustion engines|
    JP2003098044A|2001-09-25|2003-04-03|Sanshin Ind Co Ltd|Inspection device of marine structure, and inspection system of marine structure|
    JP4530339B2|2004-04-12|2010-08-25|ヤマハ発動機株式会社|Ship propulsion device shift device|
    CN1317221C|2004-05-27|2007-05-23|丁立平|Wall materials produced from mine tailings|
    DE102004029286B4|2004-06-17|2009-01-22|Man Diesel Se|engine plant|
    CN1301930C|2005-08-16|2007-02-28|西万明|Ecological energy-saving brick sintering from iron mill run gangue|
    JP4907935B2|2005-09-20|2012-04-04|ヤマハ発動機株式会社|Ship|
    JP4726634B2|2006-01-16|2011-07-20|ヤマハ発動機株式会社|Ship|
    JP4901245B2|2006-03-14|2012-03-21|ヤマハ発動機株式会社|Ship propulsion device and ship|
    JP5100019B2|2006-03-17|2012-12-19|ヤマハ発動機株式会社|Remote control device, remote control ECU and ship|
    JP4836621B2|2006-03-20|2011-12-14|ヤマハ発動機株式会社|Remote control device and ship|
    JP4925701B2|2006-03-28|2012-05-09|ヤマハ発動機株式会社|Ship|
    JP4827596B2|2006-04-21|2011-11-30|ヤマハ発動機株式会社|Ship remote control device and ship|
    JP4919706B2|2006-06-05|2012-04-18|ヤマハ発動機株式会社|Ship|
    JP2008012964A|2006-07-03|2008-01-24|Yamaha Marine Co Ltd|Remote control device and marine vessel|
    JP4999387B2|2006-07-24|2012-08-15|ヤマハ発動機株式会社|Ship|
    WO2011079222A2|2009-12-23|2011-06-30|Boston Scientific Scimed, Inc.|Less traumatic method of delivery of mesh-based devices into human body|
    US10920675B2|2016-10-25|2021-02-16|General Electric Company|Methods and systems for detection of control sensor override|
    JP2020197199A|2019-06-05|2020-12-10|ヤンマーパワーテクノロジー株式会社|Engine system|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DK239587A|DK156142C|1987-05-12|1987-05-12|ENGINE SYSTEMS WITH MULTIPLE TURBOLED COMBUSTION ENGINES|
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