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11. 发明专利

JP2011232257A Method for measuring concentration of particulate matter in gas and engine system equipped with apparatus for measuring concentration of particulate matter 审中-公开
标题翻译：用于测量颗粒物浓度的方法，用于测量颗粒物浓度的装置的发动机系统
公开(公告)号：JP2011232257A
公开(公告)日：2011-11-17
申请号：JP2010104534
申请日：2010-04-28
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： TANAKA KENGO , DOBASHI SHINSAKU , TSUKAHARA CHISATO
IPC分类号： G01N15/06 , G01N1/22 , G01N21/53 , G01N21/65
摘要： PROBLEM TO BE SOLVED: To provide a method for measuring a concentration of particulate matter in gas and an engine system equipped with an apparatus for measuring a concentration of particulate matter.SOLUTION: An engine system 200A equipped with an apparatus for measuring a concentration of particulate matter comprises: a diesel engine 100; an exhaust pipe 202 which exhausts exhaust gas 201 coming from the diesel engine 100; and a particulate matter concentration measurement apparatus (hereinafter referred to as "concentration measurement apparatus") 10 which measures a concentration of particulate matter (PM), etc. in the exhaust gas 201 inside the exhaust pipe 202. During the operation of the diesel engine, the amount of PM actually exhausted in accordance with the changes in fuel injection pressure and supercharging pressure can be checked online by constantly measuring the accurate concentration of PM.
摘要翻译：要解决的问题：提供一种测量气体中的颗粒物质浓度的方法和配备有用于测量颗粒物质浓度的装置的发动机系统。解决方案：配备有用于测量颗粒物质浓度的装置的发动机系统200A包括：柴油发动机100; 排出来自柴油发动机100的废气201的排气管202; 以及测量排气管202内的排气201中的颗粒物质（PM）等的浓度的颗粒物浓度测量装置（以下称为“浓度测定装置”）10。根据燃油喷射压力和增压压力的变化实际排出的PM的量可以通过不断测量PM的精确浓度在线检查。版权所有（C）2012，JPO＆INPIT

12. 发明专利

JP2011232253A Engine system equipped with apparatus for measuring gas component in exhaust gas 审中-公开
标题翻译：发动机系统配备了用于测量排气中的气体成分的装置
公开(公告)号：JP2011232253A
公开(公告)日：2011-11-17
申请号：JP2010104491
申请日：2010-04-28
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： DOBASHI SHINSAKU , TANAKA KENGO , TSUKAHARA CHISATO , MANIWA SHIGENOBU , TAKEDA KAZUHIRO
IPC分类号： G01N21/65 , G01M15/10
摘要： PROBLEM TO BE SOLVED: To provide an engine system equipped with an apparatus for measuring a gas component in exhaust gas.SOLUTION: An engine system 200A equipped with an apparatus for measuring a gas component in exhaust gas comprises: a diesel engine 100; an exhaust pipe 202 which exhausts exhaust gas 201 coming from the diesel engine 100; and a gas component measurement apparatus 10A (10B, 10C) which measures a concentration of particulate matter (PM), etc. in the exhaust gas 201 inside the exhaust pipe 202. During the operation of the diesel engine, the amount of PM actually exhausted in accordance with the changes in fuel injection pressure and supercharging pressure can be checked online by constantly measuring the accurate concentration of PM.
摘要翻译：要解决的问题：提供一种配备有用于测量废气中的气体成分的装置的发动机系统。解决方案：配备有用于测量废气中的气体成分的装置的发动机系统200A包括：柴油发动机100; 排出来自柴油发动机100的废气201的排气管202; 以及气体成分测量装置10A（10B，10C），其测量排气管202内的排气201中的颗粒物质（PM）等的浓度。在柴油发动机的运行期间，实际耗尽的PM的量根据燃油喷射压力和增压压力的变化，可以通过不断测量PM的精确浓度在线检查。版权所有（C）2012，JPO＆INPIT

13. 发明专利

JP2011231725A Method of diagnosing lubricating oil and engine system equipped with lubricating oil diagnosing device 有权
标题翻译：润滑油检测方法和装有润滑油检测装置的发动机系统
公开(公告)号：JP2011231725A
公开(公告)日：2011-11-17
申请号：JP2010104379
申请日：2010-04-28
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： MANIWA SHIGENOBU , TANAKA KENGO , TSUKAHARA CHISATO , TAKEDA KAZUHIRO , DOBASHI SHINSAKU
IPC分类号： F01M11/10
摘要： PROBLEM TO BE SOLVED: To provide a lubricating oil diagnosing method for simply and quickly diagnosing lubricating oil and an engine system equipped with a lubricating oil diagnosing device.SOLUTION: The engine system includes: a diesel engine 100; and a lubricating oil diagnosing device 50 which introduces and encapsulates diesel engine lubricating oil 131 partly into a perpendicular cylinder 51, and determines the viscosity state of the lubricating oil 131 by a drop speed of an iron ball which drops in the lubricating oil 131. Whether the deterioration of the lubricating oil 131 is caused by oxidative deterioration of lubricating oil (1), or caused by mixture of fuel (2) is determined by a diagnosis result of the lubricating oil diagnosing device 50, to allow the deteriorated state of the lubricating oil to be checked on line.
摘要翻译：要解决的问题：提供简单快速地诊断润滑油的润滑油诊断方法和配备有润滑油诊断装置的发动机系统。发动机系统包括：柴油发动机100; 以及润滑油诊断装置50，其将柴油发动机润滑油131部分地引入并封装在垂直缸51中，并且通过润滑油131中滴落的铁球的下落速度来确定润滑油131的粘度状态。是否润滑油131的劣化是由润滑油（1）的氧化劣化引起的，或由燃料（2）的混合物引起的，由润滑油诊断装置50的诊断结果决定，以允许润滑油的劣化状态油在线检查。版权所有（C）2012，JPO＆INPIT

14. 发明专利

JP2009162216A Air supply device for engine 有权
标题翻译：发动机空气供应装置
公开(公告)号：JP2009162216A
公开(公告)日：2009-07-23
申请号：JP2008121433
申请日：2008-05-07
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： TANAKA KENGO
IPC分类号： F02D21/08 , F02B31/00 , F02B31/02 , F02D9/02 , F02D41/14 , F02M25/07
CPC分类号： Y02T10/146
摘要： PROBLEM TO BE SOLVED: To provide an air supply device for an engine reducing NOx in a combustion chamber by adjusting EGR quantity during light, medium load operation of the engine and preventing increase of PM (particulate matter) in exhaust gas by intensifying swirl of incoming air in a four-cycle diesel engine with an exhaust turbocharger provided with two air supply ports per a cylinder.
SOLUTION: Two air supply ports of a high swirl air supply port 3a generating high swirl and a low swirl air supply port 3b generating low air supply swirl are connected to an inside of a combustion chamber. EGR connection passages 8a, 8b, 8c are constructed with connected only to the low swirl intake port 3b. A throttle valve 6 adjusting supply air quantity of the intake port and having an opening adjusting function is provided at an upstream side of a merging point or the low swirl air supply port 3b and the EGR connection passage. A valve control device 8 adjusting opening of the throttle valve 8 and adjusting opening of an EGR valve 20 is provided to control EGR gas quantity and intensity of swirl in the combustion chamber.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于发动机的空气供给装置，其通过调节轻量级的发动机的中等负荷运转和通过加强排气来增加废气中的PM（颗粒物质）的增加，来减少燃烧室中的NOx 在具有排气涡轮增压器的四冲程柴油发动机中进气的涡流每个气缸设有两个空气供应口。解决方案：产生高涡旋的高涡旋空气供给口3a的两个供气口和产生低空气供应涡流的低涡流空气供给口3b连接到燃烧室的内部。 EGR连接通道8a，8b，8c构造成仅连接到低涡流进气口3b。在合流点或低涡流空气供给口3b和EGR连接通路的上游侧设置有调节进气口的供给空气量并具有打开调节功能的节流阀6。设置调节节流阀8的开度和调节EGR阀20的开度的阀门控制装置8，以控制EGR气体量和燃烧室内的涡流强度。版权所有（C）2009，JPO＆INPIT

15. 发明专利

JP2007113445A Fuel injection device and method for operating internal combustion engine provided with same 审中-公开
标题翻译：燃油喷射装置及其运行内燃机的方法
公开(公告)号：JP2007113445A
公开(公告)日：2007-05-10
申请号：JP2005304136
申请日：2005-10-19
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： TANAKA KENGO , KATO YASUO , OGAWA HISAO
IPC分类号： F02D41/04 , F02M47/00
摘要： PROBLEM TO BE SOLVED: To provide a fuel injection device capable of reducing emission quantity of PM in exhaust gas in the whole operation range from light load to heavy load by enabling to raise fuel injection pressure in light load operation range to appropriate injection pressure while maintaining fuel injection pressure at a time of rated load of an engine at an appropriate injection pressure, and a method for operating an internal combustion engine provided with the fuel injection device.
SOLUTION: The fuel injection device for the internal combustion engine is constructed to pressurize and send high pressure fuel pressurized by a fuel pump to a fuel injection valve of each cylinder via two fuel control valves. Open and close timing, and valve open quantities of the two fuel control valves are controlled to keep high pressure injection mode in which injection pressure at fixed load is rated injection pressure at rated load or injection pressure close to rated injection pressure as long as the fixed load which does not reach the rated load of the engine. One of the two fuel control valves are opened to a fuel return passage to inhibit rise of injection pressure to the rated injection pressure or higher when load is the fixed load or higher.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决问题：提供一种燃料喷射装置，其能够通过能够将轻负载运转范围内的燃料喷射压力提高到适当的喷射量，从而在轻负载到重负荷的整个操作范围内减少废气中的PM的排放量同时在适当的喷射压力下在发动机的额定负载时保持燃料喷射压力的压力，以及设置有燃料喷射装置的内燃机的操作方法。解决方案：用于内燃机的燃料喷射装置被构造成通过两个燃料控制阀将由燃料泵加压的高压燃料加压并送到每个气缸的燃料喷射阀。打开和关闭时间，并控制两个燃油控制阀的阀门开启量，以保持高压喷射模式，其中固定负载下的喷射压力在额定负载下的额定喷射压力或接近额定喷射压力的喷射压力，只要固定没有达到发动机额定负载的负载。两个燃料控制阀之一被打开到燃料返回通道，以在负载为固定负载或更高时抑制注射压力升高至额定喷射压力或更高。版权所有（C）2007，JPO＆INPIT

16. 发明专利

JP2004036424A Fuel gas feed amount controller and auxiliary chamber type gas engine provided with the controller 审中-公开
公开(公告)号：JP2004036424A
公开(公告)日：2004-02-05
申请号：JP2002192165
申请日：2002-07-01
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： ENDO HIROYUKI , TANAKA KENGO , SHIMODA HIROMI , SUMIHAMA YOSHITAKA
IPC分类号： F02B19/10 , F02D19/02 , F02M21/02
CPC分类号： Y02T10/125 , Y02T10/32
摘要： PROBLEM TO BE SOLVED: To restrain deterioration of a spark plug and reduce operation costs of an auxiliary chamber type gas engine.
SOLUTION: This fuel gas feed amount controller 6 provided with the auxiliary chamber type gas engine 100 having an auxiliary chamber 1 comprising the spark plug 8 comprises a temperature detection means 19 detecting temperature of the spark plug 8 and a feed amount control means 17 controlling to increase feed amount of fuel gas to be fed to the auxiliary chamber 1 when the temperature exceeds a predetermined value based on the average value of temperatures acquired by the temperature detection means 19 during a predetermined time period.
COPYRIGHT: (C)2004,JPO

17. 发明专利

JP2014062484A Prechamber gas engine 有权
标题翻译：前置气体发动机
公开(公告)号：JP2014062484A
公开(公告)日：2014-04-10
申请号：JP2012207340
申请日：2012-09-20
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： ODA YUJI , TANAKA KENGO , YUNOKI AKIHIRO
IPC分类号： F02B19/18 , F02B19/12
CPC分类号： F02B19/18 , F02B19/12 , F02B23/101 , F02D19/02 , Y02T10/125 , Y02T10/32
摘要： PROBLEM TO BE SOLVED: To provide a prechamber gas engine such that occurrences of knocking are suppressed.SOLUTION: A prechamber gas engine (1) includes a cylinder (2), a cylinder head (4), a piston (6) defining a main combustion chamber (10) with the cylinder head, a prechamber cap (8) with a precombustion chamber (20) defined therein, having a plurality of injection holes (16) communicating the precombustion chamber and the main combustion chamber with each other, an air supply valve (12) for opening and closing an air supply port (13) formed on the cylinder head, and an exhaust valve (14) for opening and closing an exhaust port (15) formed on the cylinder head. In a plane view as seen from below the cylinder head, at least one supply side injection hole (16b) and at least one exhaust side injection hole (16a) are present, and the total injection hole area of the supply side injection holes is larger than the total injection hole area of the exhaust side injection holes.
摘要翻译：要解决的问题：提供一种预燃气体发动机，以便抑制爆震的发生。解决方案：前燃气发动机（1）包括气缸（2），气缸盖（4），活塞（6），其限定主体具有气缸盖的燃烧室（10），具有限定在其中的预燃室（20）的前室罩（8），具有将预燃室和主燃烧室彼此连通的多个喷射孔（16），空气用于打开和关闭形成在气缸盖上的供气口（13）的供应阀（12）和用于打开和关闭形成在气缸盖上的排气口（15）的排气阀（14）。在从气缸盖的下方观察的平面图中，存在至少一个供给侧喷射孔（16b）和至少一个排气侧喷射孔（16a），供给侧喷射孔的总喷射孔面积较大比排气侧喷射孔的总喷射孔面积大。

18. 发明专利

JP2013137003A Combustion control device for gas engine 有权
标题翻译：燃气发动机燃烧控制装置
公开(公告)号：JP2013137003A
公开(公告)日：2013-07-11
申请号：JP2011289213
申请日：2011-12-28
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： TANAKA KENGO
IPC分类号： F02P5/152 , F02D19/02 , F02D45/00 , F02M21/02 , F02P5/153
CPC分类号： G01M15/08 , F02B29/0406 , F02D19/02 , F02D35/023 , F02D35/027 , F02D41/0027 , F02M35/1038 , F02P5/04 , F02P5/152 , F02P5/153 , Y02T10/32 , Y02T10/46
摘要： PROBLEM TO BE SOLVED: To advance an ignition point at each cylinder to a maximum extent while suppressing knocking at all cylinders with a simple and inexpensive means so as to improve the output and the thermal efficiency of a gas engine.SOLUTION: In a first calculation part 32, a knocking limit ignition point Tia of a representative cylinder 14a is calculated on the basis of cylinder internal pressure waveforms. In a second calculation part 34, a quantity of operation state and engine basic specifications are assigned to an equation (1) for obtaining a knocking limit ignition point Tia' of the representative cylinder 14a. In a third calculation part 36, the knocking limit ignition points Tia and Tia' are compared with each other for obtaining a correction coefficient C. In a fourth calculation part 38, knocking limit ignition points Tib to Tif of the other cylinders except the representative cylinder 14a are calculated on the basis of the obtained correction coefficient C. Preferably, in the fourth calculation part 38, the correction coefficient C is adjusted for each of the cylinders on the basis of test data obtained with a test engine of the same type as the gas engine 10.
摘要翻译：要解决的问题：为了提高燃气发动机的输出和热效率，能够以简单廉价的方式抑制所有气缸的爆震，最大限度地提高各气缸的点火点。解决方案：在第一计算第32部分，基于气缸内部压力波形计算代表气缸14a的爆震极限点燃点Tia。在第二计算部34中，将用于获得代表性气缸14a的爆震极限点燃点Tia'的等式（1）分配给操作状态量和发动机基本规格。在第三计算部件36中，将爆震极限点火点Tia和Tia'彼此进行比较以获得校正系数C.在第四计算部分38中，除了代表性气缸之外的其它气缸的爆震极限点火点T t to Tif 基于获得的校正系数C计算14a。优选地，在第四计算部38中，基于用与具有相同类型的测试引擎获得的测试数据，针对每个气缸来调整校正系数C 燃气发动机10。

19. 发明专利

JP2011112037A Fuel injection device of diesel engine 审中-公开
标题翻译：柴油发动机燃油喷射装置
公开(公告)号：JP2011112037A
公开(公告)日：2011-06-09
申请号：JP2009272158
申请日：2009-11-30
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： TANAKA KENGO , HOTTA KAZURO
IPC分类号： F02M45/00 , F02D1/02 , F02D41/22 , F02D41/38 , F02M37/00 , F02M47/00 , F02M59/36 , F02M59/46 , F02M65/00
CPC分类号： Y02T10/123
摘要： PROBLEM TO BE SOLVED: To enhance further NOx reduction and fuel consumption rate improvement through the application of operation of injection rate control with a shelf in an operation range suitable for the injection rate control with a shelf, and improve reliability of the fuel injection rate control with a shelf by executing avoidance control through the detection of abnormalities when a cylinder not surely performing the fuel injection rate control with a shelf exists. SOLUTION: A fuel injection device 2 which contains a fuel injection valve 4 for injecting fuel and a first and second solenoid valves 18, 20 in a first and second return pipes 14, 16 for returning fuel to a fuel tank 8, is equipped with a control device 38 for executing fuel injection with a shelf forming a shelf part for stagnating injection pressure for a given period with respect to fuel injection pressure injected from a fuel injection valve 4 by closing the second solenoid valve 20 and then the first solenoid valve 18 after certain timing, and switches between injection with a shelf and normal injection based on an engine rotation speed and engine load. When abnormalities are detected in an area of injection with a shelf, the operating condition is switched to the normal injection. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：通过在适用于具有搁板的喷射速率控制的操作范围内使用具有搁板的喷射速率控制的操作来提高进一步的NOx还原和燃料消耗率提高，并且提高燃料的可靠性存在不能确定地执行燃料喷射速度控制的气缸时，通过检测异常来执行回避控制，通过执行避免控制。解决方案：一种燃料喷射装置2，其包含用于喷射燃料的燃料喷射阀4和用于将燃料返回到燃料箱8的第一和第二返回管14,16中的第一和第二电磁阀18,20，配备有用于执行燃料喷射的控制装置38，其中货架形成用于通过关闭第二电磁阀20关闭从燃料喷射阀4喷射的燃料喷射压力而使给定时间段停留一段时间的喷射压力的搁架部分，然后第一螺线管阀门18在一定时间之后，并且基于发动机转速和发动机负荷在搁板注射和正常注射之间切换。当在具有搁板的注射区域中检测到异常时，将操作条件切换到正常注入。版权所有（C）2011，JPO＆INPIT

20. 发明专利

JP2010065610A Air supply device of engine with egr device and engine having the same 审中-公开
标题翻译：具有EGR装置的发动机的空气供应装置和具有该装置的发动机
公开(公告)号：JP2010065610A
公开(公告)日：2010-03-25
申请号：JP2008232739
申请日：2008-09-10
申请人： Mitsubishi Heavy Ind Ltd , 三菱重工業株式会社
发明人： HOTTA KAZURO , TANAKA KENGO
IPC分类号： F02M25/07 , F02F1/42
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To make EGR gas always smoothly flow in an air supply port, by holding the relationship of exhaust pressure of an engine>air supply pressure of the engine, without using a means for reducing engine performance such as an opening adjustment of a throttle valve, in a diesel engine with an EGR device.
SOLUTION: By selecting two cylinders of becoming large in a pressure difference (P1-P2) between the exhaust pressure P1 when supplying EGR gas of a certain cylinder along the ignition timing of respective cylinders and the air supply pressure P2 of the other cylinder along order of the ignition timing, an EGR taking-out part is arranged on the exhaust side of one cylinder among the cylinders, and an EGR introducing part is arranged on the air supply side of the other cylinder, and the EGR taking-out part and the EGR introducing part of the two cylinders are connected by an EGR passage.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了使EGR气体始终平稳地流入空气供给口，通过保持发动机的排气压力与发动机的供气压力之间的关系，而不使用用于降低发动机性能的装置，例如具有EGR装置的柴油发动机中节流阀的开度调节。解决方案：通过沿着各个气缸的点火正时向特定气缸供给EGR气体和另一气缸的空气供应压力P2之间选择在排气压力P1之间的压差（P1-P2）变大的两个气缸气缸沿着点火正时的顺序，在气缸中的一个气缸的排气侧设置有EGR取出部，在另一个气缸的供气侧配置EGR导入部，将EGR取出两个气缸的EGR引入部分通过EGR通道连接。版权所有（C）2010，JPO＆INPIT

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