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1. 发明专利

JP2007224939A Piston ring for two-cycle internal combustion engine 审中-公开
标题翻译：双循环内燃机活塞环
公开(公告)号：JP2007224939A
公开(公告)日：2007-09-06
申请号：JP2006043614
申请日：2006-02-21
申请人： Daihatsu Motor Co Ltd , ダイハツ工業株式会社
发明人： OGAWA TADAO , MORI JUNPEI , HORI NAOHITO
IPC分类号： F16J9/20 , F02F5/00 , F16J9/00
摘要： PROBLEM TO BE SOLVED: To surely prevent a piston ring from being caught with respect to edge corners 6 and 7 in an opening of various ports 3 into a cylinder without changing timing of opening and closing time of the various ports in the one wherein the piston ring 4 arranged in a piston 2 reciprocating in the cylinder 1 in a two-cycle internal combustion engine has an outer peripheral surface constituted as a convex shaped arc surface 8 in a height direction in the piston ring.
SOLUTION: The edge corner 7 positioned farther from a cylinder top part of the edge corners 6 and 7 in the opening of the various ports into the cylinder is a chamfered corner or a round corner, and a top part 8a showing a maximum piston ring outside diameter of the convex shaped arc surface 8 of the piston ring outer peripheral surface is positioned in a section deviated to a direction separated from a top surface 2a of the piston 2 compared to a center 4a of the height direction of the piston ring.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了确保防止活塞环相对于各个端口3的开口中的边缘角6和7被夹紧到气缸中，而不改变一个端口中的各个端口的打开和关闭时间的时间其中布置在活塞2中的活塞环4在双循环内燃机中在气缸1中往复运动，在活塞环的高度方向上具有构成凸形弧形表面8的外周表面。解决方案：将各个端口的开口中的边缘角6和7的气缸顶部的边缘角7放置到气缸中是倒角或圆角，并且顶部8a显示最大值与活塞环的高度方向的中心4a相比，活塞环外周面的凸状圆弧面8的活塞环外径位于偏离活塞2的顶面2a的方向的部分。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2005233009A Exhaust gas recirculating device in two-cycle internal combustion engine 审中-公开
标题翻译：二循环内燃机中的排气再循环装置
公开(公告)号：JP2005233009A
公开(公告)日：2005-09-02
申请号：JP2004040291
申请日：2004-02-17
申请人： Daihatsu Motor Co Ltd , ダイハツ工業株式会社
发明人： OGAWA TADAO , HASHIMOTO NORISUMI
IPC分类号： F02B33/44 , F02B37/00 , F02M25/07
CPC分类号： F02B29/0406 , F02M26/05 , Y02T10/121 , Y02T10/144
摘要： PROBLEM TO BE SOLVED: To surely recirculate exhaust gas to an air supply passage 3 from an exhaust passage 5 in a two-cycle internal combustion engine formed by arranging a scavenging pump 7 in the air supply passage 3 for introducing atmospheric air to a scavenging port 2 to a cylinder. SOLUTION: A part on the downstream side of the scavenging pump 11 among the air supply passage 3, and the exhaust passage 5, are connected by an exhaust gas recirculating passage 13. A check valve 14 is arranged in this exhaust gas recirculating passage. This check valve is positioned in a part for mutually overlapping or substantially overlapping a crest part for increasing pressure in exhaust gas pulsation propagating from the exhaust passage side in the exhaust gas recirculating passage, and a trough part for reducing the pressure in air supply pulsation propagating from the air supply passage side in the exhaust gas recirculating passage, among the longitudinal direction of the exhaust gas recirculating passage. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：在通过将空气供应通道3中的扫气泵7设置用于将大气引入以引入大气的双周期内燃机中，可靠地将废气从排气通道5再循环到空气供应通道3 清除口2到圆筒。解决方案：供气通道3中的清扫泵11的下游侧和排气通道5之间的部分通过废气再循环通道13连接。止回阀14设置在该废气再循环通道。该止回阀位于与排气再循环通道中的排气通道侧传播的排气脉动中增加压力的波峰部分相互重叠或大致重叠的部分，以及用于降低供气脉动传播压力的槽部从废气再循环通道的供气通道一侧排出废气再循环通道的纵向方向。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2015010542A 内燃機関のシリンダヘッド审中-公开
标题翻译：内燃机气缸盖
公开(公告)号：JP2015010542A
公开(公告)日：2015-01-19
申请号：JP2013136443
申请日：2013-06-28
申请人：ダイハツ工業株式会社 , Daihatsu Motor Co Ltd
发明人： OGAWA TADAO
IPC分类号： F02F1/42
CPC分类号： Y02T10/146
摘要：【課題】燃料の燃焼性向上に貢献できるシリンダヘッドを提供する。【解決手段】吸気ポート5は、入口穴9と出口穴10を除いて複数の分流通路13に分かれており、各分流通路13に、空気に旋回流を付与するため捩れ形状のリブ15を突設している。1つの吸気ポート5から燃焼室17に混合気が旋回流の束として流入し、これがタンブル流17になる。混合気は各分流通路13を流れる過程で混合性が向上している。燃焼室16に入った後は、強いタンブル流17を生成するため、燃料の分散性や火炎伝播速度の向上に貢献する。各旋回流13が衝突することによる渦流生成作用によっても、完全燃焼化が促進される。【選択図】図1
摘要翻译：要解决的问题：提供一种能够有助于提高燃料的燃烧性的气缸盖。解决方案：进气口5分成多个分流流路13，不同于入口孔9和出口孔10.在每个分开流动通道13，突出的扭曲肋15用于向空气施加涡旋流。空气 - 燃料混合物一束涡流从一个进气口5流入燃烧室17以产生翻转流17.空气 - 燃料混合物改善了在每个分流通道13中流动过程中的混溶性。之后进入燃烧室16，空气 - 燃料混合物产生强烈的翻滚流17，有助于提高燃料的分散性和火焰的传播速度。涡旋流13的碰撞给出的涡流产生动作也促进更完全的燃烧。

4. 发明专利

JP2012007547A Internal combustion engine 有权
标题翻译：内燃机
公开(公告)号：JP2012007547A
公开(公告)日：2012-01-12
申请号：JP2010144824
申请日：2010-06-25
申请人： Daihatsu Motor Co Ltd , ダイハツ工業株式会社
发明人： OGAWA TADAO , MORINAGA YUKIMARE , KITAHATA CHIYU
IPC分类号： F02D21/08 , F02B37/00 , F02B37/16 , F02D9/02 , F02D23/00 , F02D43/00 , F02M25/07
CPC分类号： Y02T10/121 , Y02T10/144
摘要： PROBLEM TO BE SOLVED: To avoid such the problem that combustion becomes unstable by delay of control of an EGR rate, when a requested EGR rate or requested EGR amount is rapidly decreased.SOLUTION: In an internal combustion engine 0 including an outside EGR passage 21 connecting the downstream side of a turbine 52 in an exhaust passage 4 and the upstream side of a compressor 51 in an intake passage 3, and an intake throttle valve 35 provided to the upstream side of the compressor 51 in the intake passage 3, when the request EGR rate or the request EGR quantity is decreased and the change quantity is the prescribed value or more, the intake throttle valve is fully opened, and the rate of fresh air during intake is quickly increased.
摘要翻译：要解决的问题：为了避免这样的问题，即当要求的EGR率或要求的EGR量迅速降低时，通过延迟EGR率的控制，燃烧变得不稳定。解决方案：在包括在排气通道4中连接涡轮机52的下游侧和进气通道3中的压缩机51的上游侧的外部EGR通道21和进气节流阀35的内燃机0中设置在进气通路3中的压缩机51的上游侧，当请求EGR率或请求EGR量减少，变化量为规定值以上时，进气节流阀全开，摄入时的新鲜空气迅速增加。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2008106697A Two-cycle internal combustion engine 审中-公开
标题翻译：双循环内燃机
公开(公告)号：JP2008106697A
公开(公告)日：2008-05-08
申请号：JP2006291236
申请日：2006-10-26
申请人： Daihatsu Motor Co Ltd , ダイハツ工業株式会社
发明人： OGAWA TADAO
IPC分类号： F02F1/22 , F02B25/06 , F02B25/14
CPC分类号： Y02T10/146
摘要： PROBLEM TO BE SOLVED: To lubricate an inner wall face of a cylinder under the condition of reducing consumption of lubricating oil in a two-cycle internal combustion engine wherein a plurality of openings 5a to the inner wall face 8 of the cylinder 2 in a scavenging port 5 or an exhaust port can be opened near a bottom dead center of a piston 9, and a roughened surface part 10 formed by roughening the surface is formed at least in a lower side of a vicinity of each opening on the inner wall face.
SOLUTION: Each opening 5a of the scavenging port or the exhaust port is arranged in a part excluding a part on both sides relative to a crank axis 3 when viewing from a direction of an axis of the cylinder on the inner wall face in the cylinder, and the length of the roughened surface part 10 along the direction of the axis of the cylinder is elongated in a part between the openings and is reduced in a part of the individual opening as viewed from the axial direction of the cylinder.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了在减少二冲程内燃机中的润滑油消耗的条件下润滑气缸的内壁面，其中多个开口5a到气缸2的内壁面8 在清扫口5或排气口可以在活塞9的下止点附近打开，并且通过使表面粗糙化而形成的粗糙表面部10至少在内侧的每个开口附近的下侧形成墙面。解决方案：当从内壁面上的圆筒的轴线的方向观察时，扫气口或排气口的每个开口5a布置在相对于曲轴3的两侧的部分之外的部分圆筒和粗糙表面部分10沿着圆筒的轴线方向的长度在开口之间的部分中是细长的，并且在从圆柱体的轴向方向观察时在单个开口的一部分上被减小。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2008069667A Starting method of two-cycle engine 审中-公开
标题翻译：双循环发动机起动方法
公开(公告)号：JP2008069667A
公开(公告)日：2008-03-27
申请号：JP2006247218
申请日：2006-09-12
申请人： Daihatsu Motor Co Ltd , ダイハツ工業株式会社
发明人： OGAWA TADAO , FUJITA HAJIME
IPC分类号： F02D9/04 , F02B33/00 , F02B39/02 , F02D9/02 , F02D13/02 , F02D41/06
摘要： PROBLEM TO BE SOLVED: To solve the problem of being difficult to improve startability, due to requiring time for raising the cylinder temperature in cold time when an engine grows cold, as a result of becoming difficult to raise compression heat when a supercharger becomes a load to the engine and a quantity of remaining fresh air is not sufficient since the fresh air passes through into a cylinder, in a two-cycle engine.
SOLUTION: A vehicle has the two-cycle engine for igniting fuel by compressing suction air, the supercharger for forcibly feeding air to the two-cycle engine, an air supply bypass passage having an air supply bypass valve and bypassing the supercharger, and an exhaust gas quantity adjusting means for adjusting a flow rate of exhaust gas; and controls so as to close the air supply bypass valve and close the exhaust gas quantity adjusting means up to at least initial combustion, and to gradually open the air supply bypass valve and gradually open the exhaust gas quantity adjusting means after the initial combustion, when starting the two-cycle engine.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题为了解决难以提高启动性的问题，由于在发动机冷却时需要在冷时间提高气缸温度的时间，因此当增压器成为发动机的负荷，并且由于新鲜空气在双循环发动机中进入气缸，所以剩余的新鲜空气量不足。解决方案：一种车辆具有通过压缩吸入空气来点燃燃料的两冲程发动机，用于强制地将空气供给到两冲程发动机的增压器，具有供气旁通阀并绕过增压器的供气旁通通道，以及用于调节废气流量的废气量调节装置; 并且控制以关闭供气旁通阀并将废气量调节装置关闭至少至少初始燃烧，并且在初始燃烧之后逐渐打开供气旁通阀并逐渐打开废气量调节装置，当启动双循环发动机。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2005220849A Operation control device for compression ignition internal combustion engine 审中-公开
标题翻译：用于压缩点火内燃机的操作控制装置
公开(公告)号：JP2005220849A
公开(公告)日：2005-08-18
申请号：JP2004030948
申请日：2004-02-06
申请人： Daihatsu Motor Co Ltd , ダイハツ工業株式会社
发明人： HASEGAWA KUNIO , HASHIMOTO NORISUMI , MORINAGA YUKIMARE , OGAWA TADAO , KURACHI KATSUMASA , FUJIMURA ICHIRO , HORI NAOHITO
IPC分类号： F02M25/07 , F01B31/14 , F02D15/04 , F02D41/04 , F02D41/38
摘要： PROBLEM TO BE SOLVED: To suppress the occurrence of smoke and an increase of noises when the rate of residual exhaust gas increases in a compression ignition internal combustion engine A in which fuel injected and supplied into a cylinder A2 by a fuel injection valve A8 is compressed and ignited while part of the exhaust gas resides in the cylinder after combustion and the rate of the residual exhaust gas is controlled to increase/reduce depending on a load change.
SOLUTION: When the rate of the residual exhaust gas increases, fuel injection by the fuel injection valve A8 is controlled to be separated into main injection and preliminary or previous injection prior to the main injection by a crank angle as necessary.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：在压燃式内燃机A中，当通过燃料喷射阀喷射并供给到气缸A2中的燃料的压缩点燃式内燃机A中，为了抑制烟雾的发生和噪声的增加， A8被压缩并点燃，而一部分废气在燃烧后位于汽缸中，并且根据负荷变化控制残余废气的速率增加/减少。解决方案：当残留废气的速率增加时，燃料喷射阀A8的燃料喷射被控制为在必要时通过曲轴角度在主喷射之前被分离成主喷射和预喷射或先前喷射。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2004360514A Cylinder fuel injection type internal combustion 审中-公开
公开(公告)号：JP2004360514A
公开(公告)日：2004-12-24
申请号：JP2003157760
申请日：2003-06-03
申请人： Daihatsu Motor Co Ltd , ダイハツ工業株式会社
发明人： OGAWA TADAO
IPC分类号： F02M69/04
摘要： PROBLEM TO BE SOLVED: To solve a problem of a lean air-fuel ratio around a spark plug and thereby to improve combustion property of fuel and increase in output torque, in a cylinder fuel injection type internal combustion engine comprising: a cylinder head 3 closing a top of a cylinder 2 in a cylinder block 1; a pair of right and left intake ports 8 disposed to the cylinder head and opening downward and toward a combustion chamber 5 recessed under a lower face of the cylinder head; and the spark plug 11 disposed to the cylinder head and positioned approximately at the center of the combustion chamber, and further comprising a fuel injection valve injecting the fuel diagonally downward.
SOLUTION: The fuel injection valve is provided with: a first injection port 12a injecting the fuel to spread out in a fan-like form when seen from an axial direction of the cylinder; and a second injection port 12b injecting the fuel to spread out in the fan-like form when seen form the axial direction of the cylinder. Angular difference is set between a diagonally downward injection angle θ1 of the first injection port 12a and a diagonally downward injection angle θ2 of the second injection port 12b.
COPYRIGHT: (C)2005,JPO&NCIPI

9. 发明专利

JP2003035188A Fuel injection method for cylinder injection/spark ignition type internal combustion engine 审中-公开
标题翻译：燃油喷射注射方法/火花点火型内燃机
公开(公告)号：JP2003035188A
公开(公告)日：2003-02-07
申请号：JP2001223417
申请日：2001-07-24
申请人： Daihatsu Motor Co Ltd , ダイハツ工業株式会社
发明人： OGAWA TADAO
IPC分类号： F02B23/08 , F02B23/10 , F02B75/12 , F02D41/02 , F02D41/34 , F02F3/28
CPC分类号： F02B2075/125 , Y02T10/123 , Y02T10/125 , Y02T10/44
摘要： PROBLEM TO BE SOLVED: To solve the problem, in the case of collecting a relatively rich gas mixture to the vicinity of a spark plug in a cylinder injection/spark ignition type internal combustion engine, of the need to provide a recess on the top face of a piston and thereby, the difficulty in enhancing the compression ratio.
SOLUTION: In this cylinder injection/spark ignition type internal combustion engine, a rising gradient face is formed by upraising the top face of the piston reciprocating in a cylinder, an injection hole is directed toward a combustion chamber in the upper part of the cylinder, a fuel injection valve is installed, in such a manner that its injection direction faces the rising gradient face, and only homogeneous combustion is performed. In this case, a first fuel injection is carried out in an intake stroke, and a second injection is performed in the latter half of a compression stroke in a fuel injection amount less than that in the first injection and capable of generating turbulence in the gas mixture inside the combustion chamber.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题为了解决这个问题，在气缸喷射/火花点火式内燃机中的火花塞附近收集相对浓的气体混合物的情况下，需要在顶面上设置凹部的活塞，从而难以提高压缩比。解决方案：在这种气缸喷射/火花点火式内燃机中，通过将在活塞中往复运动的活塞的顶面进行升高而形成上升梯度面，喷射孔朝向气缸上部的燃烧室，燃料喷射阀以其喷射方向面向上升梯度面的方式安装，仅进行均匀燃烧。在这种情况下，在进气行程中进行第一次燃料喷射，在压缩行程的后半期以比第一次喷射少的燃料喷射量进行第二次喷射，能够产生气体中的湍流燃烧室内的混合物。

10. 发明专利

JP2014118897A Internal combustion engine 审中-公开
标题翻译：内燃机
公开(公告)号：JP2014118897A
公开(公告)日：2014-06-30
申请号：JP2012275252
申请日：2012-12-18
申请人： Daihatsu Motor Co Ltd , ダイハツ工業株式会社
发明人： OGAWA TADAO
IPC分类号： F02P5/15 , F02B29/04
CPC分类号： Y02T10/146 , Y02T10/46
摘要： PROBLEM TO BE SOLVED: To suitably inhibit occurrence of knocking in restarting of a vehicle.SOLUTION: A cooling device 35 for reducing temperature of intake air is equipped on an intake passage 3 in which intake air to be filled in a cylinder 1 flows. When the vehicle stopped with idling of an internal combustion engined is started and accelerated, the cooling device 35 is actuated to cool intake air. Energy consumption of the cooling device 35 is suppressed to a predetermined upper limit value or less. In addition, a delay correction amount of ignition timing is determined according to the amount of a deviation between an actually-measured value and a target value of intake air temperature at a downstream side of the cooling device 35.
摘要翻译：要解决的问题：适当地抑制重新启动车辆的爆震发生。解决方案：用于降低进气的温度的冷却装置35装备在进气通道3中，在进气通道3中，待填充在气缸1中的进气流动。当起动并加速内燃机空转的车辆停止时，冷却装置35被致动以冷却进气。冷却装置35的能量消耗被抑制到预定的上限值以下。此外，根据实际测量值与冷却装置35的下游侧的进气温度的目标值之间的偏差量来确定点火正时的延迟修正量。

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