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1. 发明专利

JP2007032379A Control device for cylinder direct injection type spark ignition internal combustion engine 有权
标题翻译：气缸直接喷射控制装置类型火花点火内燃机
公开(公告)号：JP2007032379A
公开(公告)日：2007-02-08
申请号：JP2005215209
申请日：2005-07-26
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： ISHII HITOSHI , HIDAKA MASATOSHI , SHIKATA AKIHIRO
IPC分类号： F02D41/04 , F01N3/20 , F02B23/10 , F02D41/14 , F02D43/00 , F02P5/15
CPC分类号： Y02T10/125 , Y02T10/46
摘要： PROBLEM TO BE SOLVED: To materialize rise of exhaust gas temperature and reduction of HC emission at a time of cold engine by compatibly establishing large delay of ignition timing and combustion stability.
SOLUTION: Normal stratified combustion operation and homogeneous combustion operation are performed under warm up completion condition. Fuel injection is performed over top dead center to make injection start timing IT before compression top dead center and injection end timing after top dead center as a top dead center injection operation mode is performed for accelerating activation of a catalytic converter and HC emission reduction under a cold engine condition. Ignition timing ADV is after top dead center. Since swirl and tumble are attenuated at compression top dead center and minute turbulence is activated and position change of a piston is small at compression top dead center, stable combustion can be materialized. When transient rotation drop occurs during idling operation, ignition timing ADV is advanced together with fuel injection timing IT like B, C. Torque increases with good response without waiting increase of intake air quantity by approaching MBT point.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过兼容地建立大的点火正时延迟和燃烧稳定性来实现在冷发动机时排气温度的上升和HC排放的减少。
解决方案：在暖机完成条件下进行正常分层燃烧运行和均匀燃烧运行。在上止点进行燃油喷射，以在压缩上死点之前进行喷射开始定时IT，并且在上止点之后的喷射结束定时作为上止点喷射操作模式，用于加速催化转化器的激活和HC排放减少冷机情况。点火正时ADV位于上死点之后。由于涡旋和滚筒在压缩上止点处衰减，并且微动湍流被激活，并且在压缩上止点处活塞的位置变化较小，因此可以实现稳定的燃烧。当在空转运行期间发生瞬态旋转下降时，点火正时ADV与燃料喷射正时IT一起升高，如B，C。扭矩随着响应的增加而增加，而不用等待进气量的增加接近MBT点。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2006070862A Cylinder direct injection type spark ignition internal combustion engine 审中-公开
标题翻译：气缸直接喷射式火花点火内燃机
公开(公告)号：JP2006070862A
公开(公告)日：2006-03-16
申请号：JP2004257865
申请日：2004-09-06
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： TAKAGI DAISUKE , HIDAKA MASATOSHI , NAKAJIMA AKIRA , ISHII HITOSHI
IPC分类号： F02B23/10 , F02M61/14 , F02M61/18
CPC分类号： Y02T10/125
摘要： PROBLEM TO BE SOLVED: To materialize rise of exhaust gas temperature and reduction of HC emission at a time of cold engine by compatibly establishing large delay of ignition timing and stability of combustion.
SOLUTION: Regular stratified combustion operation and homogeneous combustion operation are performed under a warming up completion condition where cooling water temperature of an internal combustion engine exceeds 80°C. Top dead center injection operation for promotion of activation of a catalytic converter and reduction of HC emission is performed under a cold engine condition where cooling water temperature is 80°C or less. Injection start timing is before compression top dead center and injection completion timing is after compression top dead center, fuel injection is performed over the compression top dead center in the top dead center injection operation. Ignition timing is after compression top dead center delayed by 15-10° CA from injection start timing. Spray of a fuel injection valve 15 is vertically unsymmetrical in relation to a center axis line L of the fuel injection valve 15 and is large in an upper side part. Consequently, fuel adhesion of lower side spray to a piston 3 top surface is suppressed and turbulence is created by penetration of upper side spray.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过兼容地建立点火正时和燃烧稳定性的大的延迟来实现在发动机冷却时废气温度的升高和HC排放的减少。解决方案：在内燃机的冷却水温度超过80℃的预热完成条件下进行定期分层燃烧运转和均匀燃烧运转。在冷却水温度为80℃以下的冷发动机条件下进行用于促进催化转化器的活化和HC排放的减少的上止点注入操作。喷射启动时刻在压缩上止点之前，喷射完成定时在压缩上止点之后，在上止点喷射操作中在压缩上止点执行燃料喷射。点火正时是在压缩上死点后从注射开始时刻延迟15-10°CA。燃料喷射阀15的喷射相对于燃料喷射阀15的中心轴线L是垂直不对称的，并且在上侧部分较大。因此，抑制了下侧喷雾对活塞3顶面的燃料附着，并且通过上侧喷雾的穿透产生湍流。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2006052683A Control device for cylinder direct injection type spark ignition internal combustion engine 有权
标题翻译：气缸直接喷射控制装置类型火花点火内燃机
公开(公告)号：JP2006052683A
公开(公告)日：2006-02-23
申请号：JP2004234972
申请日：2004-08-12
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： HIDAKA MASATOSHI , ISHII HITOSHI
IPC分类号： F02D41/06 , F02B23/10 , F02D41/02 , F02D45/00 , F02P5/15
CPC分类号： Y02T10/125
摘要： PROBLEM TO BE SOLVED: To materialize exhaust gas temperature rise and HC emission reduction at a time of cold engine by compatibly achieving large delay of ignition timing and combustion stability. SOLUTION: Normal stratified combustion operation and homogeneous combustion operation are performed under a condition where warming up is completed and cooling water temperature exceeds 80°C. Injection rate of a variable injection rate injection valve is controlled low to make injection period long as a top dead center injection operation mode and fuel injection is performed over compression top dead center in such a manner that injection start timing ITS is before compression top dead center (TDC) and injection end timing ITE is after compression top dead center to promote activation of a catalytic converter and to reduce HC emission under a cold engine condition where temperature is 80°C or less. Ignition timing ADV becomes after compression top dead center, ignition happens at a timing delayed from injection start timing ITS by 10-25° CA. Since swirl and tumble are attenuated and minute turbulence is activated at compression top dead center and position of a piston 3 does not change, stable combustion can be materialized. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过兼容地实现点火正时和燃烧稳定性的大的延迟来实现冷发动机时的废气升温和HC排放减少。
解决方案：正常分层燃烧运行和均匀燃烧运行在完成升温和冷却水温度超过80℃的条件下进行。将可变喷射速率喷射阀的喷射速度控制得较低，使得喷射时间长为上止点喷射操作模式，并且以压缩上止点进行燃料喷射，使得喷射开始时刻ITS在压缩上止点之前（TDC）和喷射结束时间ITE在压缩上止点之后，以促进催化转化器的激活并且在温度为80℃或更低的冷发动机条件下减少HC排放。点火正时ADV变为压缩上死点后，点火发生在从喷射开始时间ITS延迟10-25°CA的定时。由于涡流和翻滚被减弱，并且在压缩上止点处激活微小的湍流，并且活塞3的位置不变，可以实现稳定的燃烧。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2006250050A Controller of cylinder direct injection type spark ignition internal combustion engine 审中-公开
标题翻译：气缸直接喷射控制器类型火花点火内燃机
公开(公告)号：JP2006250050A
公开(公告)日：2006-09-21
申请号：JP2005068384
申请日：2005-03-11
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： HIDAKA MASATOSHI , TAKAGI DAISUKE , ISHII HITOSHI
IPC分类号： F02D45/00 , F02B23/10 , F02D41/02 , F02D41/04 , F02D41/34 , F02D43/00 , F02M45/04 , F02M61/14 , F02M61/18 , F02P5/15
CPC分类号： Y02T10/125 , Y02T10/46
摘要： PROBLEM TO BE SOLVED: To increase the temperature of exhaust gases when an engine is cool by making compatible the largely spark-retarded angle of an ignition timing with the stability of combustion.
SOLUTION: When the engine completes warmup operation, normal stratified combustion operation and homogeneous combustion operation are performed. When the engine is cool, a fuel injection is performed on both sides of a top dead center so that, as a top dead center injection operation mode, an injection start timing ITS is positioned before the top dead center in a compression stroke and an injection end timing ITE is positioned after the top dead center. An ignition timing ADV is positioned after the top dead center. At the top dead center in the compression stroke, swirls and tumbles are attenuated and very small disturbance is activated. Since a change in the position of a piston is also small, stable combustion can be realized. Furthermore, since a part of the fuel is injected as an early injection I2 during the compression stroke or intake stroke before the main injections I1 on both sides of the top dead center, a combustion period is increased and the temperature of the exhaust gases are further increased.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过与燃烧稳定性兼容点火正时的大部分火花熄灭角度来增加发动机冷却时的排气温度。
解决方案：当发动机完成预热操作时，执行正常的分层燃烧操作和均匀燃烧操作。当发动机冷却时，在上止点的两侧执行燃料喷射，使得作为上止点喷射操作模式，喷射开始时刻ITS位于压缩冲程中的上死点之前，并且喷射结束时间ITE位于上止点之后。点火正时ADV位于上止点之后。在压缩冲程的上止点处，涡流和翻转被衰减，并且非常小的扰动被激活。由于活塞位置的变化也小，因此能够实现稳定的燃烧。此外，由于一部分燃料在上止点两侧的主喷射I1之前的压缩冲程或进气冲程期间作为早期喷射I2喷射，所以燃烧时间增加并且排气的温度进一步升高增加。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2007009864A Control device for cylinder direct injection type spark ignition internal combustion engine 有权
标题翻译：气缸直接喷射控制装置类型火花点火内燃机
公开(公告)号：JP2007009864A
公开(公告)日：2007-01-18
申请号：JP2005194603
申请日：2005-07-04
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： TAKEDA TOMOYUKI , NAKAJIMA AKIRA , HORIGOME TAIZO , YASUNAGA MAKOTO , TAKAGI DAISUKE , HIDAKA MASATOSHI , ISHII HITOSHI
IPC分类号： F02D41/04 , F01N3/20 , F01N3/24 , F02B23/10 , F02D41/02 , F02D41/34 , F02D43/00 , F02D45/00 , F02M45/02 , F02M61/14 , F02M61/18
CPC分类号： Y02T10/125
摘要： PROBLEM TO BE SOLVED: To achieve early activation of a catalyst and reduction of HC generated by after-burning by drastically delaying ignition timing, to suppress adhesion of fuel spray to a wall face, and to reduce HC emission amount.
SOLUTION: At cold start of an internal combustion engine requiring early temperature rise of a catalyst converter, ignition timing is set after a compression top dead center, and extremely retard combustion to inject fuel before the ignition timing and after the compression top dead center is performed. Since turbulence inside a cylinder is improved by the high-pressure fuel injection immediately before the ignition timing and flame spread is promoted, stable combustion can be achieved. A fuel injection valve 15 arranged in a side part of a combustion chamber 3 has a flat and sectorial shape of fuel spray f expanded approximately along a plane orthogonal to a cylinder axial line. The fuel spray f reaches the neighborhood of an ignition plug 14 without colliding with anywhere on an inner wall face (including a piston 2 top face) of the combustion chamber 3, and ignition is performed. Thus, HC emission amount is reduced.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了实现催化剂的早期活化和通过急剧延迟点火正时，通过后燃烧产生的HC的减少，抑制燃料喷雾到壁面的粘附并降低HC排放量。
解决方案：在需要催化转化器早期升温的内燃机的冷启动时，点火正时在压缩上止点之后设定，并且在点火正时之前和压缩顶死后极其延迟燃烧以喷射燃料中心被执行。由于在点火正时和火焰蔓延之前的高压燃料喷射提高了气缸内的湍流，可以实现稳定的燃烧。设置在燃烧室3的侧部的燃料喷射阀15具有大致沿着与气缸轴线正交的平面膨胀的燃料喷雾f的平坦且扇形。燃料喷雾f到达火花塞14附近，而不与燃烧室3的内壁面（包括活塞2顶面）上的任何位置碰撞，并且进行点火。因此，HC排放量减少。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006336478A Control device of cylinder direct injection type spark ignition internal combustion engine 有权
标题翻译：气缸直喷式控制装置火花点火内燃机
公开(公告)号：JP2006336478A
公开(公告)日：2006-12-14
申请号：JP2005158512
申请日：2005-05-31
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： HORIGOME TAIZO , YASUNAGA MAKOTO , NAKAJIMA AKIRA , TAKEDA TOMOYUKI , UCHIYAMA KATSUAKI , ISHII HITOSHI , HIDAKA MASATOSHI
IPC分类号： F02D41/06 , F01N3/20 , F01N3/24 , F02D41/34 , F02D43/00 , F02D45/00 , F02P5/15
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To reduce HC owing to premature activation and after burning of a catalyst by a large delay of ignition timing and to enhance torque response in transition.
SOLUTION: In cold start of an internal combustion engine wherein an early temperature rise of a catalytic converter is required, the ignition timing is set to be after compression top dead center as shown in (a) and super-retard combustion is performed by injecting fuel immediately before the ignition timing and after the compression top dead center. Turbulence in a cylinder is improved by the high pressure fuel injection immediately before the ignition timing, flame spread is promoted and therefore stable combustion is obtained. In the transition wherein load is increased at a rate larger than a predetermined change rate, the ignition timing is compensated by advance as shown in (b) and early ignition I2 is additionally preformed in a suction stroke before main injection I1 in an expansion stroke. This improves the torque response.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：由于过早活化和催化剂燃烧后大量的点火正时延迟以及提高转换中的扭矩响应，可以降低HC。解决方案：在需要催化转化器的早期升温的内燃机的冷启动中，如（a）所示，将点火正时设定为压缩上止点之后，进行超延迟燃烧通过在点火正时之前和压缩上止点之后注入燃料。通过在点火正时之前的高压燃料喷射改善气缸中的湍流，促进火焰蔓延并因此获得稳定的燃烧。在负载以大于预定变化率的速率增加的转变中，点火正时如（b）所示被提前补偿，并且在膨胀冲程中的主喷射I1之前的吸入冲程中额外地进行早期点火I2。这提高了转矩响应。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2006266119A Control device for in-cylinder direct injection type spark ignition internal combustion engine 有权
标题翻译：缸内直喷式控制装置型火花点火内燃机
公开(公告)号：JP2006266119A
公开(公告)日：2006-10-05
申请号：JP2005082864
申请日：2005-03-23
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： UCHIYAMA KATSUAKI , ISHII HITOSHI , HIDAKA MASATOSHI
IPC分类号： F02D41/04 , F02B23/10 , F02D41/02 , F02D41/34 , F02D43/00 , F02D45/00
CPC分类号： Y02T10/125
摘要： PROBLEM TO BE SOLVED: To make compatible the large retardation of ignition timing and combustion stability, and to achieve the rise of an exhausted gas temperature at cooling-down, and the reduction of an HC discharge amount.
SOLUTION: Normal stratified combustion operation and homogeneous combustion operation are performed in a warming-up finished state. An operation mode is set to a top dead center injection operation mode for promoting the activation of a catalytic converter and reducing HC emission in a cold engine state, fuel injection is performed over a top dead center to set injection start timing ITS before a compression top dead center and injection completion timing ITE after the top dead center. Ignition timing ADV is set after the top dead center. Since a swirl and a tumble are attenuated and minute turbulence is activated and a position change of a piston is small at the compression top dead center, stable combustion is achieved. At a transient time in which a load increases at predetermined change speed or higher, at least part of fuel is injected during an intake stroke as early stage injection I2 as indicated in "b". Consequently, a torque response at a transient time is improved.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了兼顾点火正时和燃烧稳定性的大的延迟，并且实现冷却时的排气温度的上升以及HC排放量的降低。解决方案：正常分层燃烧操作和均匀燃烧操作在预热完成状态下进行。将操作模式设定为上止点喷射操作模式，用于促进催化转化器的启动并且在冷发动机状态下减少HC排放，在上止点执行燃料喷射以在压缩顶部之前设定喷射开始时刻ITS 上死点后死区和注射完成时间ITE。点火定时ADV设置在上止点之后。由于涡流和翻滚减弱，并且在压缩上止点激活微小的湍流并且活塞的位置变化较小，因此实现了稳定的燃烧。在负载以预定变化速度或更高速度增加的瞬时时间，至少部分燃料在进气冲程期间作为早期喷射I2注入，如“b”所示。因此，提高了瞬时转矩响应。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2006336473A Control device for cylinder direct injection type spark ignition internal combustion engine 审中-公开
标题翻译：气缸直接喷射控制装置类型火花点火内燃机
公开(公告)号：JP2006336473A
公开(公告)日：2006-12-14
申请号：JP2005158507
申请日：2005-05-31
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： NAKAJIMA AKIRA , TOMITA MASAYUKI , YONETANI TAKAO , TAKEDA TOMOYUKI , HIDAKA MASATOSHI , ISHII HITOSHI
IPC分类号： F02D43/00 , F01N3/20 , F01N3/24 , F02D41/02 , F02D41/04 , F02D41/06 , F02D41/34 , F02D45/00 , F02P5/15
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To avoid transitional deterioration of HC in a stage of a low cylinder internal temperature while attaining early activation of a catalyst and HC reduction by after-burning with a considerable delay of ignition timing. SOLUTION: At the cold start of an internal combustion engine which requires the early temperature rise of a catalytic converter, the ignition timing is set after the compression top dead center, and super retard combustion of injecting fuel before the ignition timing and after the compression top dead center is performed. Turbulence in the cylinder is improved by high pressure fuel injection immediately before the ignition timing, and flame propagation is accelerated to achieve stable combustion. On the other hand, if an engine temperature is excessively low, the produced amount of HC is increased on the contrary. The super retard combustion is thereby forbidden until the engine temperature reaches a predetermined temperature T1, and injection during a compression stroke and BTDC (before the top dead center) ignition are set. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了避免HC在低气缸内部温度的阶段中的过渡劣化，同时实现催化剂的早期活化，并且通过后续燃烧以及相当多的点火正时延迟来降低HC。
解决方案：在需要催化转化器早期升温的内燃机的冷启动下，点火正时在压缩上止点之后设定，并且在点火正时之前和之后超燃燃烧燃料执行压缩上止点。在点火正时之前通过高压燃料喷射改善气缸中的湍流，并且加速火焰传播以实现稳定的燃烧。另一方面，如果发动机温度过低，则HC的产生量相反地增加。因此，在发动机温度达到规定的温度T1之前禁止超级燃烧，在压缩行程和BTDC（上死点）点火之前进行喷射。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2006257921A Control device and control method of cylinder direct injection type spark ignition internal combustion engine 有权
标题翻译：气缸直喷式控制装置及其控制方法火花点火内燃机
公开(公告)号：JP2006257921A
公开(公告)日：2006-09-28
申请号：JP2005074205
申请日：2005-03-16
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： TAKAGI DAISUKE , UCHIYAMA KATSUAKI , HIDAKA MASATOSHI , ISHII HITOSHI
IPC分类号： F02D41/02 , F02D41/04 , F02D41/06 , F02D41/34 , F02D43/00 , F02D45/00 , F02M45/02 , F02P5/15
CPC分类号： Y02T10/46
摘要： PROBLEM TO BE SOLVED: To raise the exhaust gas temperature and to reduce an HC discharge quantity in a cold engine, by making a large ignition timing delay of the ignition timing compatible with combustion stability.
SOLUTION: Ordinary stratified combustion operation and homogeneous combustion operation are performed in a warming-up completed state. For promoting activation of a catalytic converter and reducing the HC discharge quantity in a cold state, fuel injection is performed by straddling a top dead center so that the injection starting timing ITS becomes before a compression top dead center and the injection finish timing ITE becomes after the top dead center as a top dead center injection operation mode. The ignition timing ADV becomes after the top dead center. A swirl and a tumble are damped and very small turbulence is activated in the compression top dead center, and since a positional change in a piston is little, stable combustion can be realized. In the initial stage of starting, fuel pressure is insufficient, and since smoke and HC are deteriorated, a part of fuel is injected as early injection I2 in an intake stroke before main injection I1 straddling the top dead center as (b).
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过使点火正时的点火正时延迟与燃烧稳定性相适应来提高废气温度并降低冷发动机中的HC排放量。
解决方案：在预热完成状态下进行普通分层燃烧操作和均匀燃烧操作。为了促进催化转化器的活化和在冷态下减少HC排出量，通过跨越上止点进行燃料喷射，使得喷射开始时刻ITS变为压缩上止点之前，并且喷射完成时间ITE变为后上止点作为上死点注射操作模式。点火正时ADV在上死点之后。涡流和滚筒被阻尼，并且在压缩上止点中激活非常小的湍流，并且由于活塞的位置变化很小，因此可以实现稳定的燃烧。在起动的初始阶段，燃料压力不足，并且由于烟和HC恶化，所以在作为（b）的跨越上止点的主喷射I1之前，在进气冲程中作为早期喷射I2注入一部分燃料。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2006169968A Control system for spark-ignition internal combustion engine of direct injection type 审中-公开
标题翻译：直喷式火焰点火内燃机控制系统
公开(公告)号：JP2006169968A
公开(公告)日：2006-06-29
申请号：JP2004359282
申请日：2004-12-13
申请人： Nissan Motor Co Ltd , 日産自動車株式会社
发明人： HIDAKA MASATOSHI , ISHII HITOSHI
IPC分类号： F02D41/04 , F01N3/20 , F01N3/24 , F02D41/02 , F02D43/00
CPC分类号： Y02T10/125 , Y02T10/46
摘要： PROBLEM TO BE SOLVED: To provide a control system for a spark-ignition internal combustion engine of a direct injection type in which compatibility between a substantial retard-angle of ignition timing and stability of ignition are ensured, and a rise in exhaust-gas temperature in a cold engine and a reduction in the amount of in HC discharge are achieved. SOLUTION: In completion of warm-up state, a normal stratified-combustion operation and a homogeneous combustion operation are effected. In the state of the engine being cold, a top-dead-center injection mode is established so that activation of a catalyst-converter is accelerated and that the HC discharge is reduced, and fuel is injected astride the top-dead-center so that the injection-start timing ITS is adjusted before a compression top-dead-center, and the injection-end timing ITE is adjusted after a top-dead-center. The ignition timing ADV is set after a top-dead-center. In the compression top-dead-center, swirl and tumble flow are reduced, minute turbulence are activated, and position change in the piston 3 scarcely occurrs, thus a stable combustion can be realized. If the top-dead-center injection-operation mode is established immediately after a cold start where temperature of the combustion-chamber wall is dropped, the wall-flow is increased to transitionally increase the amount of HC formation, for which reason, the top-dead-center injection mode is disabled until the engine temperature reaches a specified value. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于直接喷射型火花点火内燃机的控制系统，其中确保了点火正时的实质延迟角和点火稳定性之间的兼容性，并且排气的上升实现冷发动机中的气体温度和HC排出量的减少。解决方案：在预热状态完成时，进行正常的分层燃烧操作和均匀燃烧操作。在发动机处于冷态的状态下，建立了上止点喷射模式，从而加速了催化剂转化器的激活，并且HC排放减少，并且燃料跨越上死点中心进行注入，使得在压缩上止点之前调整注射开始时刻ITS，并且在上止点之后调整注射结束时刻ITE。点火正时ADV设置在上止点之后。在压缩上死点中，涡流和滚筒流动减少，微小的湍流被激活，并且几乎不发生活塞3的位置变化，从而可以实现稳定的燃烧。如果在燃烧室壁的温度下降的冷启动之后立即建立顶死中心喷射操作模式，则壁流量增加以过渡地增加HC形成量，因此，顶部 - 中心喷射模式被禁用，直到发动机温度达到指定值。版权所有（C）2006，JPO＆NCIPI

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