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1. 发明专利

JP2010007641A Control device and control method for engine 有权
标题翻译：发动机控制装置及控制方法
公开(公告)号：JP2010007641A
公开(公告)日：2010-01-14
申请号：JP2008171133
申请日：2008-06-30
申请人： Mazda Motor Corp , マツダ株式会社
发明人： SUGANO HIROSHI , NAKAI EIJI , HABU KOJI , ONISHI TAKESHI , KAWAURA SOJI , OSUMI SUGURU , NIIZATO JUNICHI
IPC分类号： F02D41/38 , F02D41/40
摘要： PROBLEM TO BE SOLVED: To reduce a variation of an injection quantity caused by split injection.
SOLUTION: The control device for the engine is provided with an injection timing setting means setting the injection timing of the main injection of fuel and the injection timing of each of a plurality of times of split injection after the main injection, and an injection execution means injecting fuel at the injection timing of the main injection and each split injection set by the injection timing setting means. The injection timing setting means sets the injection timing of the main injection by crank angles of the engine and sets the injection timing of the second split injection in terms of time so that the split injection is performed after a prescribed time elapses from the completion of precedent split injection.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：减少由分流喷射引起的喷射量的变化。解决方案：用于发动机的控制装置设置有喷射正时设定装置，其设定在主喷射之后的多次分流喷射中的每一次的主喷射燃料的喷射正时和喷射正时，以及喷射执行意味着在主喷射的喷射正时喷射燃料，并且由喷射正时设定装置设定的每个分液喷射。喷射正时设定装置通过发动机的曲轴角度设定主喷射的喷射正时，并设定时间方面的第二分液喷射的喷射正时，使得在从先前完成开始经过规定时间之后进行分离喷射分裂注射。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2009209748A Exhaust gas recirculation device for engine 审中-公开
标题翻译：用于发动机的排气回收装置
公开(公告)号：JP2009209748A
公开(公告)日：2009-09-17
申请号：JP2008052781
申请日：2008-03-04
申请人： Mazda Motor Corp , マツダ株式会社
发明人： NAKAI EIJI , MORINAGA SHINICHI , NAONO MASASHI , SUGANO HIROSHI , TANIMURA KENJI , UESUGI YASUNORI
IPC分类号： F02M25/07
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To provide an exhaust gas recirculation device for an engine capable of inhibiting deterioration of travelling by enabling early rise of supercharging pressure while inhibiting deterioration of NOx emission even in acceleration during exhaust emission recirculation control.
SOLUTION: This device is provided with an exhaust gas passage, an exhaust gas recirculation quantity control valve disposed in the exhaust gas passage, and an exhaust gas recirculation control means controlling opening of the exhaust gas recirculation quantity control valve with setting oxygen concentration as a target (s4, s13). The exhaust gas recirculation control device maintains opening of the exhaust gas recirculation quantity control valve constant (s7) when oxygen concentration is richer than prescribed value (s5, s6).
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够通过能够在排气再循环控制期间即使在加速时也能够抑制NOx排放的恶化而能够抑制增压压力的早期上升而抑制行驶的劣化的排气再循环装置。解决方案：该装置设置有废气通道，设置在排气通道中的排气再循环量控制阀和排气再循环控制装置，其控制具有设定氧浓度的废气再循环量控制阀的打开作为目标（s4，s13）。当氧浓度比规定值（s5，s6）更浓时，废气再循环控制装置维持排气再循环量控制阀的打开量（s7）。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2009121433A Deceleration control device for engine 有权
标题翻译：发动机减速控制装置
公开(公告)号：JP2009121433A
公开(公告)日：2009-06-04
申请号：JP2007298993
申请日：2007-11-19
申请人： Mazda Motor Corp , マツダ株式会社
发明人： SUGANO HIROSHI , NAONO MASASHI , KOJIMA TOSHIYUKI , MORINAGA SHINICHI , KAWAURA SOJI , UESUGI YASUNORI , IEYASU MASAHIRO , OSUMI SUGURU
IPC分类号： F02D21/08 , F01N3/24 , F02B37/00 , F02B37/12 , F02B37/24 , F02D41/12 , F02D41/32 , F02D43/00 , F02D45/00 , F02M25/07
CPC分类号： Y02T10/144 , Y02T10/42 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To avoid cooling of an exhaust emission control device by surely increasing gas recirculation quantity to an intake passage from an exhaust gas passage even under a condition where exhaust gas pressure relatively drops in the exhaust gas passage during deceleration in an engine executing fuel cut, opening an EGR valve and closing an intake control valve during its deceleration. SOLUTION: In this deceleration control device, a control unit 30 executes fuel cut, opens the EGR valve 19 and closes the intake control valve 15, and controls a nozzle formed out of movable vanes 13b provided at a turbine part 13 of a variable capacity supercharger 11 disposed in the exhaust gas passage 3 at a downstream of a connection part with an EGR passage 8 to a close direction when a deceleration state of the engine 1 is detected by an accelerator opening sensor 34. Consequently, exhaust gas pressure at least at the connection part with the EGR passage 8 in the exhaust gas passage 3 is raised. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了避免排气排放控制装置的冷却，即使在减速期间废气压力相对下降的条件下，也可以从废气通道确定地增加气体再循环量执行燃料切断的发动机，在其减速期间打开EGR阀并关闭进气控制阀。解决方案：在该减速控制装置中，控制单元30执行燃料切断，打开EGR阀19并关闭进气控制阀15，并且控制由可动叶片13b形成的喷嘴，该可动叶片13b设置在涡轮机部分13的在通过加速器开度传感器34检测到发动机1的减速状态时，在EGR通路8的连接部的下游配置在排气通路3内的可变容量增压器11。在排气通路3中与EGR通路8的连接部分处于最小状态。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2009138737A Exhaust emission control method and exhaust emission control device of engine 有权
标题翻译：排气排放控制方法和发动机排气控制装置
公开(公告)号：JP2009138737A
公开(公告)日：2009-06-25
申请号：JP2008286067
申请日：2008-11-07
申请人： Mazda Motor Corp , マツダ株式会社
发明人： SAKIMOTO MASATSUGU , SUGANO HIROSHI , YAMAMOTO MASARU , TOYOKAWA SHOICHI , NAONO MASASHI , MATSUE KOTA , ISHIHARA TSUTOMU , ISHIDA HIROAKI , HIGAKI DAISUKE
IPC分类号： F01N3/24 , B01D46/42 , B01D53/94 , F01N3/02 , F01N3/023 , F01N3/025 , F01N3/029 , F01N3/08 , F01N13/02 , F02D43/00 , F02D45/00 , F02M25/07
CPC分类号： F01N3/208 , F01N3/0231 , F01N9/002 , F01N11/002 , F01N13/009 , F01N13/0097 , F01N2560/021 , F01N2560/06 , F01N2560/08 , F01N2560/14 , F01N2610/02 , F01N2610/146 , F01N2900/08 , F02B29/04 , F02D41/0055 , F02D41/025 , F02D41/029 , F02D41/1446 , F02D41/405 , F02D2041/1468 , F02D2200/0812 , F02M26/05 , F02M26/15 , F02M26/23 , Y02T10/24 , Y02T10/26 , Y02T10/44 , Y02T10/47
摘要： PROBLEM TO BE SOLVED: To avoid discharge of NOx in the atmosphere, even if the NOx conversion rate of a reduction catalyst decreases, when regenerating a filter for burning and removing an exhaust particulate collected by the filter, when arranging a particulate filter and an NOx reduction catalyst in this order from the upstream side in an exhaust passage. SOLUTION: In the exhaust passage 3 of an engine 1, an SCR catalyst 15 for reducing NOx in exhaust gas by receiving supply of urea by a urea water injection nozzle 13, is arranged on the downstream side of the particulate filter 12 for collecting the exhaust particulate in the exhaust gas. When regenerating the filter 12, a supply quantity of the urea by the urea water injection nozzle 13 is increased more than when the filter is not regenerated. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了避免排放大气中的NOx，即使还原催化剂的NOx转化率降低，当再生过滤器用于燃烧和除去由过滤器收集的废气颗粒时，当布置微粒过滤器和NOx还原催化剂，从排气通路的上游侧开始。解决方案：在发动机1的排气通道3中，在颗粒过滤器12的下游侧设置用于通过尿素水喷射喷嘴13接收尿素来减少废气中的NOx的SCR催化剂15，收集废气中的废气颗粒。当再生过滤器12时，尿素水喷射喷嘴13的尿素供给量比不再生过滤器时提高。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2011208552A Control method and control device for engine 有权
标题翻译：发动机控制方法与控制装置
公开(公告)号：JP2011208552A
公开(公告)日：2011-10-20
申请号：JP2010075987
申请日：2010-03-29
申请人： Mazda Motor Corp , マツダ株式会社
发明人： SUGANO HIROSHI , TAKAHASHI KOTARO
IPC分类号： F02D23/00 , F02D23/02 , F02D41/02 , F02D41/04 , F02D43/00
CPC分类号： Y02T10/144
摘要： PROBLEM TO BE SOLVED: To provide a control device for a diesel engine with a variable turbocharger controlling the supercharging pressure of intake air by varying the passage area of exhaust gas moving toward a turbine, preventing breakage of the turbine resulted from decrease of an exhaust gas volume while preventing the engine performance (such as the rising speed of engine rotation speed) from deteriorating with the supercharging pressure of intake air unnecessarily limited under the situation that a target fuel injection amount has to be limited.SOLUTION: In a first operation range A on a low rotation side where an air intake amount becomes insufficient and smoke is likely to occur, only the fuel injection amount of the engine is limited. Meanwhile, in a second operation range B on a high rotation side where smoke hardly occurs and where a reliability level is lowered, both the fuel injection amount and the supercharging pressure of the engine are limited.
摘要翻译：要解决的问题：提供一种具有可变涡轮增压器的柴油发动机的控制装置，其通过改变朝向涡轮机移动的排气的通道面积来控制进气的增压压力，防止由于废气的减少导致的涡轮机损坏在目标燃料喷射量必须被限制的情况下，不必要地限制进气的增压压力，同时防止发动机性能（诸如发动机转速的上升速度）的下降。在第一操作范围A 在进气量变得不足并且可能发生烟雾的低旋转侧，只有发动机的燃料喷射量受到限制。同时，在几乎不发生烟的高旋转侧的第二操作范围B以及可靠性水平降低的情况下，限制了发动机的燃料喷射量和增压压力。

6. 发明专利

JP2003027995A Control system and control method for diesel engine 有权
标题翻译：柴油发动机控制系统及控制方法
公开(公告)号：JP2003027995A
公开(公告)日：2003-01-29
申请号：JP2001214536
申请日：2001-07-13
申请人： Mazda Motor Corp , マツダ株式会社
发明人： NAKAI EIJI , OKADA NAOMOTO , SATO TSUNEHIRO , MATSUMOTO YOSHIYUKI , NAKAO MASAMI , SAWARA MASANORI , HABU KOJI , SUGANO HIROSHI , YAMAMOTO MASARU , MORI TSUNEHIRO
IPC分类号： F02D45/00 , F02B3/06 , F02D41/14 , F02D41/20 , F02D41/24 , F02D41/38 , F02D41/40
CPC分类号： F02D41/402 , F02B3/06 , F02D41/1498 , F02D41/20 , F02D41/2438 , F02D41/2441 , F02D41/2467 , F02D2200/1015 , Y02T10/44
摘要： PROBLEM TO BE SOLVED: To inject a minute injection quantity stably via control of energization time of an injector in a diesel engine using pilot injection and the like. SOLUTION: Split injection is executed in an idle operating state, and an energization time for the first stage of injection producing a stable idle operating state is updated and stored as a learning value of energization time corresponding to an injection quantity per stage. The same process is executed with varying injection pressures. Alternatively, under pilot injection, a misfire limit is detected from a speed variation when the injection timing of a total injection quantity of main injection and pilot injection is retarded to a limit whereat injection of only the main injection results in a misfire and when energization time for the pilot injection is gradually reduced or increased with the total injection quantity unchanged, and according to the energization time at the misfire limit, a lower limit value of energization time for the pilot injection may be updated and stored.
摘要翻译：要解决的问题：通过使用引燃喷射等来控制柴油发动机中的喷射器的通电时间来稳定地喷射微量喷射量。解决方案：在怠速运行状态下执行分离喷射，并且将产生稳定怠速运转状态的第一阶段喷射的通电时间更新并存储为与每个阶段的喷射量对应的通电时间的学习值。以不同的注射压力执行相同的过程。或者，在先导喷射的情况下，当主喷射和先导喷射的总喷射量的喷射正时被延迟到只有主喷射的喷射导致失火和通电时间的限制时，从速度变化检测到失火极限因为在总喷射量不变的情况下，先导喷射逐渐减小或增加，并且根据失火极限的通电时间，可以更新并存储先导喷射的通电时间的下限值。

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