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公开(公告)号：US06783087B2
公开(公告)日：2004-08-31
申请号：US10118313
申请日：2002-04-09
申请人： Fumiaki Aoki , Nobuo Imatake , Kimitaka Saito , Kenji Kanehara , Akinori Harada
发明人： Fumiaki Aoki , Nobuo Imatake , Kimitaka Saito , Kenji Kanehara , Akinori Harada
IPC分类号： B05B100
CPC分类号： F02M61/18 , F02M51/0678 , F02M51/0682 , F02M61/1806 , F02M61/1853 , F02M2200/06
摘要： An injector has an orifice plate formed with plural orifices. At a radially outward position of the orifice plate is disposed a wall at least partially. It is preferable that the wall be disposed at a lower position in the direction of gravity. In the wall is formed a guide hole toward an area on the orifice plate where a strong negative pressure is developed. A portion of fuel injected from the injector adheres as adhered fuel to the orifice plate or the wall. Under the action of a negative pressure on the orifice plate the guide hole sucks in the adhered fuel and returns it onto the surface of the orifice plate. The adhered fuel flows from the wall onto the surface of the orifice plate and again joins a fuel jet injected from the orifices. By utilizing a negative pressure developed near the plural orifices, the adhered fuel can be recovered and again injected. Consequently, it is possible to decrease the amount of adhered fuel.
摘要翻译： 注射器具有形成有多个孔的孔板。 在孔板的径向向外的位置处至少部分地设置有壁。 优选地，所述壁沿重力方向设置在下部位置。 在壁上形成有朝向孔板上产生强负压的区域的引导孔。 从喷射器喷射的燃料的一部分作为附着的燃料附着到孔板或壁上。 在孔板的负压作用下，引导孔吸附粘附的燃料并将其返回到孔板的表面上。 附着的燃料从壁流到孔板的表面上，并再次连接从孔口喷射的燃料喷嘴。 通过利用在多个孔附近产生的负压，可以回收粘附的燃料并再次注入。 因此，可以减少附着的燃料量。
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公开(公告)号：US08776768B2
公开(公告)日：2014-07-15
申请号：US12647308
申请日：2009-12-24
申请人： Makoto Otsubo , Fumiaki Aoki , Jun Yamada , Tadashi Komiyama
发明人： Makoto Otsubo , Fumiaki Aoki , Jun Yamada , Tadashi Komiyama
CPC分类号： F02M25/0748 , F02M26/01 , F02M26/21 , F02M26/38 , F02M26/42 , F02M26/43 , F02M26/44 , F02M26/65 , F02M26/70 , F02M26/71
摘要： An EGR control device is provided in a branched-off pipe portion of a recirculation pipe unit. The EGR control valve is opened during an exhaust gas recirculation period, which is a part of a valve-opening period of an intake valve, so that exhaust gas is re-circulated into a combustion chamber during the exhaust gas recirculation period. As a result, swirl flow of the re-circulated exhaust gas to be formed in the combustion chamber is increased to improve ignitionability and to facilitate combustion of air-fuel mixture.
摘要翻译： EGR控制装置设置在再循环管单元的分支管部中。 在作为进气门的开阀期间的一部分的废气再循环期间，EGR控制阀打开，排气再循环期间再循环到燃烧室。 结果，增加了在燃烧室中形成的再循环废气的旋转流动，以提高点火性能并促进空气 - 燃料混合物的燃烧。
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公开(公告)号：US20100250100A1
公开(公告)日：2010-09-30
申请号：US12662603
申请日：2010-04-26
CPC分类号： F02M35/10177 , F02D41/3094 , F02M35/10216 , F02M35/1085 , F02M61/06 , F02M61/1806 , F02M61/1853 , F02M69/044
摘要： A combustion chamber side end portion of a fuel injection valve is placed at a location that overlaps with an imaginary plane, which is perpendicular to a center axis of a cylinder and extends along a portion of a wall surface of an intake port where an intake valve protrudes, or is projected out from the imaginary plane toward a combustion chamber. Alternatively, a center of a fuel injecting side end port of the fuel injection valve, which injects fuel into intake air that flows in a branch port branched from the intake port, may be placed on the center axis side of the intake valve in a radial direction of the cylinder. Further alternatively, an upstream side fuel injection valve may inject fuel into intake air that flows in the intake port, and a downstream side fuel injection valve may inject fuel into intake air that flows in the branch port branched from the intake port. Alternatively, an injection quantity of fuel may be controlled for each of fuel injection valves, which injects fuel into intake air that flows in the corresponding branch port branched from the intake port.
摘要翻译： 燃料喷射阀的燃烧室侧端部被放置在与假想平面重叠的位置，假想平面垂直于圆筒的中心轴线并且沿进气口的壁表面的一部分延伸，进气门 从虚拟平面朝向燃烧室突出或突出。 或者，燃料喷射阀的燃料喷射侧端部的中心，其向从进气口分支的分支口流动的进气中喷射燃料，可以在进气阀的中心轴侧以径向 气缸方向。 另外，上游侧燃料喷射阀可以将燃料喷射到在进气口中流动的进气中，并且下游侧燃料喷射阀可以将燃料喷射到从进气口分支的分支口中流动的进气中。 或者，可以对于每个燃料喷射阀控制燃料喷射量，燃料喷射阀将燃料喷射到从进气口分支的相应分支口中流动的进气中。
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公开(公告)号：US20100163006A1
公开(公告)日：2010-07-01
申请号：US12647308
申请日：2009-12-24
申请人： Makoto Otsubo , Fumiaki Aoki , Jun Yamada , Tadashi Komiyama
发明人： Makoto Otsubo , Fumiaki Aoki , Jun Yamada , Tadashi Komiyama
IPC分类号： F02M25/07
CPC分类号： F02M25/0748 , F02M26/01 , F02M26/21 , F02M26/38 , F02M26/42 , F02M26/43 , F02M26/44 , F02M26/65 , F02M26/70 , F02M26/71
摘要： An EGR control device is provided in a branched-off pipe portion of a recirculation pipe unit. The EGR control valve is opened during an exhaust gas recirculation period, which is a part of a valve-opening period of an intake valve, so that exhaust gas is re-circulated into a combustion chamber during the exhaust gas recirculation period. As a result, swirl flow of the re-circulated exhaust gas to be formed in the combustion chamber is increased to improve ignitionability and to facilitate combustion of air-fuel mixture.
摘要翻译： EGR控制装置设置在再循环管单元的分支管部中。 在作为进气门的开阀期间的一部分的废气再循环期间，EGR控制阀打开，排气再循环期间再循环到燃烧室。 结果，增加了在燃烧室中形成的再循环废气的旋转流动，以提高点火性能并促进空气 - 燃料混合物的燃烧。
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公开(公告)号：US08281766B2
公开(公告)日：2012-10-09
申请号：US12662603
申请日：2010-04-26
IPC分类号： F02B15/00
CPC分类号： F02M35/10177 , F02D41/3094 , F02M35/10216 , F02M35/1085 , F02M61/06 , F02M61/1806 , F02M61/1853 , F02M69/044
摘要： A combustion chamber side end portion of a fuel injection valve is placed at a location that overlaps with an imaginary plane, which is perpendicular to a center axis of a cylinder and extends along a portion of a wall surface of an intake port where an intake valve protrudes, or is projected out from the imaginary plane toward a combustion chamber. Alternatively, a center of a fuel injecting side end port of the fuel injection valve, which injects fuel into intake air that flows in a branch port branched from the intake port, may be placed on the center axis side of the intake valve in a radial direction of the cylinder. Further alternatively, an upstream side fuel injection valve may inject fuel into intake air that flows in the intake port, and a downstream side fuel injection valve may inject fuel into intake air that flows in the branch port branched from the intake port. Alternatively, an injection quantity of fuel may be controlled for each of fuel injection valves, which injects fuel into intake air that flows in the corresponding branch port branched from the intake port.
摘要翻译： 燃料喷射阀的燃烧室侧端部被放置在与假想平面重叠的位置，假想平面垂直于圆筒的中心轴线并且沿进气口的壁表面的一部分延伸，进气门 从虚拟平面朝向燃烧室突出或突出。 或者，燃料喷射阀的燃料喷射侧端部的中心，其向从进气口分支的分支口流动的进气中喷射燃料，可以在进气阀的中心轴侧以径向 气缸方向。 另外，上游侧燃料喷射阀可以将燃料喷射到在进气口中流动的进气中，并且下游侧燃料喷射阀可以将燃料喷射到从进气口分支的分支口中流动的进气中。 或者，可以对于每个燃料喷射阀控制燃料喷射量，燃料喷射阀将燃料喷射到从进气口分支的相应分支口中流动的进气中。
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公开(公告)号：US20090241905A1
公开(公告)日：2009-10-01
申请号：US12064968
申请日：2007-03-27
申请人： Yukio Tomiita , Hidekazu Oomura , Yoshihiro Nakase , Fumiaki Aoki , Yoshinori Yamashita , Takanori Suzuki
发明人： Yukio Tomiita , Hidekazu Oomura , Yoshihiro Nakase , Fumiaki Aoki , Yoshinori Yamashita , Takanori Suzuki
IPC分类号： F02M61/14
CPC分类号： F02M35/10177 , F02D41/3094 , F02M35/10216 , F02M35/1085 , F02M61/06 , F02M61/1806 , F02M61/1853 , F02M69/044
摘要： A combustion chamber side end portion of a fuel injection valve is placed at a location that overlaps with an imaginary plane, which is perpendicular to a center axis of a cylinder and extends along a portion of a wall surface of an intake port where an intake valve protrudes, or is projected out from the imaginary plane toward a combustion chamber. Alternatively, a center of a fuel injecting side end port of the fuel injection valve, which injects fuel into intake air that flows in a branch port branched from the intake port, may be placed on the center axis side of the intake valve in a radial direction of the cylinder. Further alternatively, an upstream side fuel injection valve may inject fuel into intake air that flows in the intake port, and a downstream side fuel injection valve may inject fuel into intake air that flows in the branch port branched from the intake port. Alternatively, an injection quantity of fuel may be controlled for each of fuel injection valves, which injects fuel into intake air that flows in the corresponding branch port branched from the intake port.
摘要翻译： 燃料喷射阀的燃烧室侧端部被放置在与假想平面重叠的位置，假想平面垂直于圆筒的中心轴线并且沿进气口的壁表面的一部分延伸，进气门 从虚拟平面朝向燃烧室突出或突出。 或者，燃料喷射阀的燃料喷射侧端部的中心，其向从进气口分支的分支口流动的进气中喷射燃料，可以在进气阀的中心轴侧以径向 气缸方向。 另外，上游侧燃料喷射阀可以将燃料喷射到在进气口中流动的进气中，并且下游侧燃料喷射阀可以将燃料喷射到从进气口分支的分支口中流动的进气中。 或者，可以对于每个燃料喷射阀控制燃料喷射量，燃料喷射阀将燃料喷射到从进气口分支的相应分支口中流动的进气中。
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公开(公告)号：US08261724B2
公开(公告)日：2012-09-11
申请号：US12465212
申请日：2009-05-13
申请人： Fumiaki Aoki , Jun Yamada , Tadashi Komiyama
发明人： Fumiaki Aoki , Jun Yamada , Tadashi Komiyama
CPC分类号： F02D9/103 , F02B29/0406 , F02D9/101 , F02M26/05 , F02M26/06 , F02M26/15 , F02M26/21 , F02M26/38 , F02M26/39 , F02M26/64 , F02M26/71
摘要： An exhaust gas guide member is provided to an airflow control valve varying an opening area of an intake passage. The exhaust gas guide member forms an exhaust gas passage which introduces the exhaust gas flowing from the exhaust gas introducing portion into the intake pipe toward an opposite end of the airflow control valve relative to the valve shaft. Thereby, the exhaust gas flows together with an intake air flow of high velocity generated by the airflow control valve so that a tumble flow can be generated in a combustion chamber of the internal combustion engine.
摘要翻译： 排气引导构件设置在改变进气通道的开口面积的气流控制阀上。 废气引导构件形成排气通道，其将从废气引入部分流入的进气管中的废气导向气流控制阀相对于阀轴的相对端。 因此，废气与由气流控制阀产生的高速的进气流一起流动，从而可以在内燃机的燃烧室中产生翻滚流。
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公开(公告)号：US20090283076A1
公开(公告)日：2009-11-19
申请号：US12465212
申请日：2009-05-13
申请人： Fumiaki Aoki , Jun Yamada , Tadashi Komiyama
发明人： Fumiaki Aoki , Jun Yamada , Tadashi Komiyama
CPC分类号： F02D9/103 , F02B29/0406 , F02D9/101 , F02M26/05 , F02M26/06 , F02M26/15 , F02M26/21 , F02M26/38 , F02M26/39 , F02M26/64 , F02M26/71
摘要： An exhaust gas guide member is provided to an airflow control valve varying an opening area of an intake passage. The exhaust gas guide member forms an exhaust gas passage which introduces the exhaust gas flowing from the exhaust gas introducing portion into the intake pipe toward an opposite end of the airflow control valve relative to the valve shaft. Thereby, the exhaust gas flows together with an intake air flow of high velocity generated by the airflow control valve so that a tumble flow can be generated in a combustion chamber of the internal combustion engine.
摘要翻译： 排气引导构件设置在改变进气通道的开口面积的气流控制阀上。 废气引导构件形成排气通道，其将从废气引入部分流入的进气管中的废气导向气流控制阀相对于阀轴的相对端。 因此，废气与由气流控制阀产生的高速的进气流一起流动，从而可以在内燃机的燃烧室中产生翻滚流。
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