Internal combustion engine
    1.
    发明专利
    Internal combustion engine 审中-公开
    内燃机

    公开(公告)号:JP2006125333A

    公开(公告)日:2006-05-18

    申请号:JP2004316541

    申请日:2004-10-29

    IPC分类号: F02B23/08 F02M61/18 F02M69/04

    CPC分类号: F02M69/044 Y02T10/125

    摘要: PROBLEM TO BE SOLVED: To provide an internal combustion engine capable of reducing temperature of air to be introduced into a combustion chamber to improve volume efficiency and attaching a fuel injection valve to a fuel distribution pipe easily.
    SOLUTION: In this internal combustion engine 1, two port injection valves 2
    1 , 2
    2 are arranged in parallel on two parallel planes PS
    1 , PS
    2 crossing a plane PV including respective shaft parts 11 of two intake valves 10
    1 , 10
    2 orthogonally, respectively. Flat fuel spray Fm is injected from two port injection valves 2
    1 , 2
    2 to let it pass between umbrella parts 12 of the intake valves 10
    1 , 10
    2 and an intake passage opening part and let it flow into the combustion chamber 1b.
    COPYRIGHT: (C)2006,JPO&NCIPI

    摘要翻译: 解决的问题:提供能够降低引入燃烧室的空气的温度以提高体积效率并且将燃料喷射阀容易地附接到燃料分配管的内燃机。

    解决方案:在该内燃机1中,两个端口喷射阀2 2 2 平行布置在两个平行的平面PS SB上, SB>,PS 2 分别横跨包括两个进气门10 SB 1,SB SB 2的相应轴部分11的平面PV。 平坦燃料喷雾Fm从两个喷嘴阀2 2 2 喷射,使其通过进气门10的SBB之间的气门部分12 10< SB> 2>和进气通路开口部,使其流入燃烧室1b。 版权所有(C)2006,JPO&NCIPI

    Intake port structure of internal combustion engine
    2.
    发明专利
    Intake port structure of internal combustion engine 审中-公开
    内燃机端口结构

    公开(公告)号:JP2005120998A

    公开(公告)日:2005-05-12

    申请号:JP2003360030

    申请日:2003-10-20

    IPC分类号: F02B17/00 F02F1/42

    摘要: PROBLEM TO BE SOLVED: To provide an intake port structure of an internal combustion engine capable of suppressing decrease in flow coefficient.
    SOLUTION: In an intake port structure of an internal combustion engine, an intake port 10 has a vertical passage 12 vertically extending to a combustion chamber top surface 2 so as to open to it and a tilt passage 11 communicating with the vertical passage 12 and extending in the direction tilted in a vertical direction of the combustion chamber top surface 2. A recess 21 is formed in a tilt wall surface 11a which is a lower wall surface of the tilt passage 11. In the recess 21, an end of the combustion chamber side is extended to the boundary D between the tilt passage 11 and the vertical passage 12 so as to be gradually widened toward the combustion chamber side. The end of the combustion chamber side in the recess 21 is provided with a connecting surface 22 in which an edge 31 is formed with respect to a vertical wall surface 12a of the vertical passage 12 to be connected.
    COPYRIGHT: (C)2005,JPO&NCIPI

    摘要翻译: 要解决的问题:提供能够抑制流量系数降低的内燃机的进气口结构。 解决方案:在内燃机的进气口结构中,进气口10具有垂直延伸到燃烧室顶表面2以便向其敞开的垂直通道12和与垂直通道连通的倾斜通道11 并且沿着在燃烧室顶面2的垂直方向上倾斜的方向延伸。凹部21形成在作为倾斜通道11的下壁表面的倾斜壁表面11a中。在凹部21中, 燃烧室侧延伸到倾斜通道11和垂直通道12之间的边界D,以朝向燃烧室侧逐渐变宽。 在凹部21中的燃烧室侧的端部设置有连接表面22,在该连接表面22中,相对于要连接的垂直通道12的垂直壁表面12a形成边缘31。 版权所有(C)2005,JPO&NCIPI

    Intake valve controller of internal combustion engine and internal combustion engine having same
    3.
    发明专利
    Intake valve controller of internal combustion engine and internal combustion engine having same 审中-公开
    内燃机的内阀控制器和内燃机的内燃机

    公开(公告)号:JP2008202406A

    公开(公告)日:2008-09-04

    申请号:JP2007035842

    申请日:2007-02-16

    发明人: TAKAMIYA FUMIRO

    IPC分类号: F02D13/02 F02D41/04 F02D45/00

    摘要: PROBLEM TO BE SOLVED: To provide an intake valve controller of an internal combustion engine capable of effectively vaporizing and atomizing a fuel in cylinders without using a special means such as a tumble control valve and a swirl control valve and also a means for increasing a fuel injection pressure. SOLUTION: An three-intake valve direct-injection engine comprises a third intake valve 43c opening and closing a third intake port 42c opposed to an injector 2; and first and second intake valves 43a, 43b opening and closing first and second intake ports 42a, 42b adjacent to the third intake port 42c. During the cold operation, only the third intake valve 43c is opened during the intake stroke. Under low rotational speed and high load, only the first and second intake valves 43a, 43b are opened during the intake stroke. Under the high rotational speed, all of the intake valves 43a, 43b, 43c are opened during the intake stroke. COPYRIGHT: (C)2008,JPO&INPIT

    摘要翻译: 要解决的问题:提供一种能够在不使用诸如翻转控制阀和涡流控制阀的特殊装置的情况下有效地汽化和雾化气缸中的燃料的内燃机的进气门控制器,并且还提供用于 增加燃油喷射压力。 解决方案:三进气阀直喷发动机包括打开和关闭与喷射器2相对的第三进气口42c的第三进气阀43c; 以及与第三进气口42c相邻的第一和第二进气门43a,43b打开和关闭第一和第二进气口42a,42b。 在冷运行期间,在进气冲程期间仅打开第三进气阀43c。 在低转速和高负载下,在进气冲程期间仅打开第一和第二进气门43a,43b。 在高旋转速度下,所有进气阀43a,43b,43c在进气冲程期间打开。 版权所有(C)2008,JPO&INPIT

    Internal combustion engine
    4.
    发明专利
    Internal combustion engine 有权
    内燃机

    公开(公告)号:JP2006291774A

    公开(公告)日:2006-10-26

    申请号:JP2005111192

    申请日:2005-04-07

    发明人: TAKAMIYA FUMIRO

    IPC分类号: F02M69/00 F02B31/00

    CPC分类号: Y02T10/146

    摘要: PROBLEM TO BE SOLVED: To provide an internal combustion engine provided with a fuel injection device near a suction valve suppressing blow by of unburned fuel to an exhaust side at a time of valve overlapping. SOLUTION: A fuel injection device 15 having an injection hole formed below one suction passage 7B of three suction passages 7A-7C and near the suction valve 9B of the suction passage 7B oriented to an inside of a combustion chamber 2 via the suction passage 7B is provided. A suction air tumble flow generating structure generating tumble of suction air in the combustion chamber 2 is provided in remaining suction passages 7A, 7C. In an embodiment, the suction passages 7A, 7C are erected in an axial direction of the combustion chamber 2 to construct the suction air tumble generating structure. COPYRIGHT: (C)2007,JPO&INPIT

    摘要翻译: 要解决的问题:提供一种在阀重叠时在吸气阀附近设置有燃料喷射装置的内燃机,其抑制未燃燃料吹向排气侧。 解决方案:一种燃料喷射装置15,其具有形成在三个吸入通道7A-7C的一个吸入通道7B的下方并且靠近吸入通道7B的吸入阀9B的吸入孔的喷射孔,该吸入通道7B经由吸力定向到燃烧室2的内部 提供通道7B。 在剩余的吸入通路7A,7C中设置有在空气燃烧室2内产生抽吸空气的吸入风吹出结构。 在一个实施例中,吸入通道7A,7C在燃烧室2的轴向上竖立,以构成吸气吹风产生结构。 版权所有(C)2007,JPO&INPIT

    Intake port of internal combustion engine
    5.
    发明专利
    Intake port of internal combustion engine 有权
    内燃机港口

    公开(公告)号:JP2003336524A

    公开(公告)日:2003-11-28

    申请号:JP2003035275

    申请日:2003-02-13

    IPC分类号: F02B23/08 F02B31/00 F02F1/42

    CPC分类号: F02F1/4235

    摘要: PROBLEM TO BE SOLVED: To make the revolving ratio of air sucked in a combustion chamber in the combustion chamber as large as possible while maintaining the total quantity of the air sucked in the combustion chamber of an internal combustion engine large.
    SOLUTION: An intake passage 4 communicated with the combustion chamber is provided to send air into the combustion chamber 1. The intake passage is curved to a certain direction and communicated with the combustion chamber. A groove 6 extending along the flow of air in the intake passage is provided in a wall at a side near a center of curvature of the intake passage in the wall defining the intake passage. Longitudinal edges 7a, 7b extending along the flow of air in the intake passage and projecting out toward the inside of the intake passage are formed of one side wall of the wall defining the groove and the wall adjoining the side wall in the wall defining the intake passage. A bent part 11 extending in the horizontal direction with respect to the flow of air in the intake passage is provided proximity to a line 12 connecting the intake passage and the combustion chamber at the wall of the side near the center of curvature of the intake passage in the wall defining the intake passage.
    COPYRIGHT: (C)2004,JPO

    摘要翻译: 要解决的问题:为了使吸入燃烧室中的燃烧室中的空气的旋转比尽可能大,同时保持吸入内燃机的燃烧室中的总空气量较大。 解决方案:设置与燃烧室连通的进气通道4,以将空气送入燃烧室1.进气通道向某一方向弯曲并与燃烧室连通。 沿着进气通道中的空气流延伸的槽6设置在靠近限定进气通道的壁中的进气通道的曲率中心附近的一侧的壁中。 沿着进气通道中的空气流延伸并且朝向进气通道内部突出的纵向边缘7a,7b由限定凹槽的壁的一个侧壁和邻接限定进气口的壁中的侧壁的壁形成 通道。 靠近靠近进气通道的曲率中心侧的侧壁处的连接进气通道和燃烧室的管线12设置在相对于进气通道中的空气流沿水平方向延伸的弯曲部分11 在限定进气通道的壁上。 版权所有(C)2004,JPO

    Exhaust recirculating device, and method for controlling operation of internal combustion engine incorporating the exhaust recirculating device
    6.
    发明专利
    Exhaust recirculating device, and method for controlling operation of internal combustion engine incorporating the exhaust recirculating device 审中-公开
    排气再循环装置及控制排气再循环装置内燃机运转的方法

    公开(公告)号:JP2012167545A

    公开(公告)日:2012-09-06

    申请号:JP2011026431

    申请日:2011-02-09

    CPC分类号: Y02T10/121

    摘要: PROBLEM TO BE SOLVED: To solve a problem in a conventional exhaust recirculating device where a desired amount of an EGR gas can not be recirculated into an air intake passage when restarting an internal combustion engine, which is temporarily stopped.SOLUTION: The exhaust recirculating device 36 includes: the EGR passage 39a, one end of which is communicated with the air intake passage 26a and the other end of which is communicated with an exhaust passage 35a so as to guide part of the exhaust emitted from the internal combustion engine 10 into the air intake passage 26a; an EGR control valve 40 that is disposed at one end of the EGR 39a so as to control a flow rate of the exhaust flowing into the EGR passage 39a; an on-off valve 41 that is disposed at the other end of the EGR passage 39a so as to open and close the EGR passage 39a; and an exhaust pressure boosting units 16, 44 for boosting an exhaust pressure flowing into the exhaust passage 35a of part, with which the other end of the EGR passage 39a is communicated.

    摘要翻译: 要解决的问题:为了解决在重新启动临时停止的内燃机时,期望量的EGR气体不能再循环到进气通道中的常规排气再循环装置中的问题。 解决方案:排气再循环装置36包括:EGR通道39a,其一端与进气通道26a连通,另一端与排气通道35a连通,以引导排气的一部分 从内燃机10排出到进气通道26a内; EGR EGR控制阀40,其设置在EGR 39a的一端,以控制流入EGR通路39a的排气的流量; 开关阀41,其设置在EGR通路39a的另一端,以便打开和关闭EGR通道39a; 以及用于增压流入EGR通道39a的另一端与其连通的部分的排气通道35a的排气压力的排气增压单元16,44。 版权所有(C)2012,JPO&INPIT

    Internal combustion engine equipped with pressure wave supercharger
    7.
    发明专利
    Internal combustion engine equipped with pressure wave supercharger 审中-公开
    内燃机配有压力波超级加油机

    公开(公告)号:JP2011111907A

    公开(公告)日:2011-06-09

    申请号:JP2009266268

    申请日:2009-11-24

    CPC分类号: Y02T10/144

    摘要: PROBLEM TO BE SOLVED: To provide an internal combustion engine inhibiting a cylinder with an air-fuel ratio leaner than the stoichiometric air-fuel ratio from becoming unstable in combustion condition.
    SOLUTION: The internal combustion engine includes a pressure wave supercharger 10 in which the intake ports of #1, #4 cylinders 2a are connected to the first intake air discharge opening 17, the intake ports of #2, #3 cylinders 2a are connected to a second intake air discharge port 18, the exhaust ports of the #1, #4 cylinders 2a are connected to a first exhaust introduction opening 19, the exhaust ports of the #2, #3 cylinders 2a are connected to the second exhaust introduction opening 20, and the second exhaust introduction opening 20 and the first intake air discharge opening 17 are arranged in a manner that a second exhaust guide passage 4b communicates with a first intake air guide passage 3b via cells 13. The air-fuel ratios of the respective cylinders 2a are controlled so that the air-fuel ratios of the #1, 4 cylinders 2a become leaner than the stoichiometric air-fuel ratio and the air-fuel ratios of the #2, 3 cylinders 2a become richer than the stoichiometric air-fuel ratio.
    COPYRIGHT: (C)2011,JPO&INPIT

    摘要翻译: 要解决的问题:提供一种内燃机,其抑制具有比理论空燃比低的空燃比的气缸在燃烧条件下变得不稳定。 解决方案:内燃机包括压力波增压器10,其中#1,#4气缸2a的进气口连接到第一进气排放口17,#2,#3气缸2a的进气口 连接到第二进气排出口18,#1,#4气缸2a的排气口连接到第一排气引入开口19,#2,#3气缸2a的排气口连接到第二排气口 排气引入开口20,第二排气导入开口20和第一进气排出口17以第二排气引导通路4b经由单元13与第一进气导向通路3b连通的方式配置。空燃比 控制各个气缸2a的空气燃料比使得#1,4气缸2a的空燃比变得比理论空燃比更稀,并且#2,3气缸2a的空燃比变得比理论空燃比更丰富 空燃比。 版权所有(C)2011,JPO&INPIT

    Port structure of internal combustion engine
    8.
    发明专利
    Port structure of internal combustion engine 有权
    内燃机端口结构

    公开(公告)号:JP2009013990A

    公开(公告)日:2009-01-22

    申请号:JP2008236308

    申请日:2008-09-16

    CPC分类号: Y02T10/125 Y02T10/146

    摘要: PROBLEM TO BE SOLVED: To provide a port structure of an internal combustion engine which realizes smooth inflow of air intake or emission of exhaust without causing complication of the structure. SOLUTION: The upstream part of an intake port 11 has a nearly-square cross section having two pairs of parallel surfaces, namely the top surface part 21 and un undersurface part 22, and the right-and-left sides 23, 24. A throat part 11a leading to a combustion chamber 12 is circular in the cross section, and the upstream part of the intake port 11 having a nearly-square cross section and the throat part 11a having a circular cross section are made continuous to each other by a smooth surface. Thus, a strong tumble stream is formed, separation of an intake stream is controlled, and the intake flow rate is increased. COPYRIGHT: (C)2009,JPO&INPIT

    摘要翻译: 要解决的问题:提供一种内燃机的端口结构,其实现空气进入或排放排放的平滑流入,而不会引起结构的复杂化。 解决方案:进气口11的上游部分具有近似正方形的横截面,具有两对平行表面,即顶表面部分21和非下表面部分22,以及左右两侧23,24 通向燃烧室12的喉部11a在横截面为圆形,并且具有近似正方形截面的进气口11的上游部分和具有圆形截面的喉部11a彼此连续 通过光滑的表面。 因此,形成强烈的翻滚流,控制进气流的分离,并且增加进气流量。 版权所有(C)2009,JPO&INPIT

    Port structure of internal combustion engine
    9.
    发明专利
    Port structure of internal combustion engine 审中-公开
    内燃机端口结构

    公开(公告)号:JP2011247270A

    公开(公告)日:2011-12-08

    申请号:JP2011176222

    申请日:2011-08-11

    IPC分类号: F02F1/42

    摘要: PROBLEM TO BE SOLVED: To discharge exhaust smoothly without complicating a structure, in a port structure of an internal combustion engine.SOLUTION: An upstream part of an exhaust port 41 is substantially formed with a square cross section having two planes parallel to each other, while a throat portion 41a continuing from a combustion chamber 12 is formed with a circular cross section. As a result, the upstream part of the exhaust port 41 and the throat portion 41a are continuously formed with a smooth plane, which prevents separation of exhaust stream to increase an intake flow.

    摘要翻译: 要解决的问题:在内燃机的端口结构中平滑排放排气而不使结构复杂化。 解决方案:排气口41的上游部分基本上形成有具有彼此平行的两个平面的正方形横截面,而从燃烧室12继续的喉部41a形成为圆形横截面。 结果,排气口41和喉部41a的上游部分连续地形成有平滑的平面,这防止排气流分离以增加进气流量。 版权所有(C)2012,JPO&INPIT

    Supercharging device for internal combustion engine
    10.
    发明专利
    Supercharging device for internal combustion engine 审中-公开
    内燃机超高效装置

    公开(公告)号:JP2011094550A

    公开(公告)日:2011-05-12

    申请号:JP2009250097

    申请日:2009-10-30

    IPC分类号: F02B33/42 F02M25/07

    CPC分类号: Y02T10/121

    摘要: PROBLEM TO BE SOLVED: To provide a supercharging device for an internal combustion engine, which recirculates low-temperature exhaust gas to an intake passage and is advantageous to NOx reduction.
    SOLUTION: This supercharging device for the internal combustion engine is applied to the internal combustion engine 1 taking out part of exhaust gas from an exhaust passage 4 and recirculating it to the intake passage 3, when a predetermined EGR condition is satisfied, and includes a pressure wave supercharger 10 for supercharging the internal combustion engine 1. In the supercharging device, the rotor 12 of the pressure wave supercharger 10 is rotatively driven by an electric motor 18, and the operation of the electric motor 18 is controlled so that, when the EGR condition is not satisfied, the rotor 12 is rotatively driven at a normal rotational speed set based on the engine speed of the internal combustion engine 1, and when the EGR condition is satisfied, the rotor 12 is rotatively driven at EGR rotational speed higher than the normal rotational speed.
    COPYRIGHT: (C)2011,JPO&INPIT

    摘要翻译: 要解决的问题:提供一种用于将低温废气再循环到进气通道并且有利于NOx还原的内燃机的增压装置。 解决方案:当满足预定的EGR条件时,用于内燃机的这种增压装置被施加到内燃机1,其从排气通道4取出一部分废气,并将其再循环到进气通道3,以及 包括用于对内燃机1进行增压的压力波增压器10.在增压装置中,压力波增压器10的转子12由电动机18旋转驱动,电动机18的动作被控制, 当不满足EGR条件时,转子12以基于内燃机1的发动机转速设定的正常转速旋转驱动,当满足EGR条件时,转子12以EGR转速旋转驱动 高于正常转速。 版权所有(C)2011,JPO&INPIT