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公开(公告)号：US07703707B2
公开(公告)日：2010-04-27
申请号：US11949994
申请日：2007-12-04
IPC分类号： F02M61/10
CPC分类号： F02M61/1853 , F02M51/0667 , Y10S239/90
摘要： In the valve, fuel, flowing down as a valve side flow along the side of the valve, further flows down toward an orifice plate through a fuel path which closes and opens upon forward and backward movement of the valve, and is injected as a mist from each orifice. The valve moves forward and backward by sliding on a valve surrounding portion through a guide portion constituted by plural sliding guides arranged between the valve and valve surrounding portion. Since the sliding guides are tapered from the valve to the surrounding portion, the side flow from the guide portion has a flow velocity distribution biased toward the surrounding portion.
摘要翻译： 在阀门中，作为阀侧流动的燃料沿着阀的侧面流动，进一步通过燃料路径朝向孔板流动，该燃料通道在阀的向前和向后运动时关闭并打开，并以雾状喷射 从每个孔。 阀通过由布置在阀和阀周围部分之间的多个滑动引导件构成的引导部分在阀周围部分上滑动而前后移动。 由于滑动导向件从阀到周围部分是锥形的，所以来自引导部分的侧流具有偏向周围部分的流速分布。
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公开(公告)号：US20080142623A1
公开(公告)日：2008-06-19
申请号：US11949994
申请日：2007-12-04
IPC分类号： B05B1/30
CPC分类号： F02M61/1853 , F02M51/0667 , Y10S239/90
摘要： In the valve, fuel, flowing down as a valve side flow along the side of the valve, further flows down toward an orifice plate through a fuel path which closes and opens upon forward and backward movement of the valve, and is injected as a mist from each orifice. The valve moves forward and backward by sliding on a valve surrounding portion through a guide portion constituted by plural sliding guides arranged between the valve and valve surrounding portion. Since the sliding guides are tapered from the valve to the surrounding portion, the side flow from the guide portion has a flow velocity distribution biased toward the surrounding portion.
摘要翻译： 在阀门中，作为阀侧流动的燃料沿着阀的侧面流动，进一步通过燃料路径朝向孔板流动，该燃料通道在阀的向前和向后运动时关闭并打开，并以雾状喷射 从每个孔。 阀通过由布置在阀和阀周围部分之间的多个滑动引导件构成的引导部分在阀周围部分上滑动而前后移动。 由于滑动导向件从阀到周围部分是锥形的，所以来自引导部分的侧流具有偏向周围部分的流速分布。
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公开(公告)号：US20130026256A1
公开(公告)日：2013-01-31
申请号：US13556394
申请日：2012-07-24
IPC分类号： F02M61/00
CPC分类号： F02M61/186 , F02M61/162 , F02M61/1853
摘要： A fuel injector has a swirl generator located downstream from a valve seat. A fuel injection hole is connected to a downstream side of the swirl generator. The swirl generator includes a swirl chamber having an involute or a spiral shape and the fuel injection hole bored at a bottom or the swirl chamber and a swirl generation use passage connected to the upstream side of the swirl chamber for introducing fuel into the swirl chamber. The bottom of the swirl chamber is provided with a step height so as to make a level difference in which the bottom of the swirl chamber is lower than a bottom of the swirl generation use passage, and the step height is formed at a position where fuel flowing into the swirl chamber from the swirl generation use passage meets fuel turning in the swirl chamber.
摘要翻译： 燃料喷射器具有位于阀座下游的旋流发生器。 燃料喷射孔连接到涡流发生器的下游侧。 涡流发生器包括具有渐开线或螺旋形状的旋转室，在底部钻有的燃料喷射孔或涡流室，以及连接到涡流室的上游侧的涡流产生用通道，用于将燃料引入涡流室。 涡流室的底部具有台阶高度，以便使涡流室的底部低于涡流生成用通道的底部的水平差，并且台阶高度形成在燃料 从漩涡发生使用通道流入涡流室满足涡流室中的燃料转向。
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公开(公告)号：US20120193454A1
公开(公告)日：2012-08-02
申请号：US13357657
申请日：2012-01-25
申请人： Yoshio Okamoto , Yoshihito Yasukawa , Masanori Ishikawa , Nobuaki Kobayashi , Takahiro Saito , Noriyuki Maekawa
发明人： Yoshio Okamoto , Yoshihito Yasukawa , Masanori Ishikawa , Nobuaki Kobayashi , Takahiro Saito , Noriyuki Maekawa
IPC分类号： B05B1/34
CPC分类号： F02M61/1853 , F02M61/162
摘要： There is provided a fuel injection valve, in which uniformity in swirl intensity in a peripheral direction of a swirl fuel is heightened.A fuel injection valve comprises a valve element 3 and a valve seat 10, which cooperate to open and close a fuel passage to perform injection of a fuel and stoppage of injection, a nozzle body 4 having the valve seat 10, a swirl passage 21 provided downstream of a seat portion 10a, on which the valve element 3 and the valve seat 10 contact with each other, and a swirl chamber 22, to which the swirl passage 21 and a fuel injection port 23 are connected, and a recess (buffer) 24 for enlargement of the swirl chamber 22 in volume is provided on a wall surface portion 4a of the swirl chamber 22 opposed to the fuel injection port 23.
摘要翻译： 提供了一种燃料喷射阀，其中涡流燃料的周向上的涡流强度的均匀性提高。 燃料喷射阀包括阀元件3和阀座10，其配合以打开和关闭燃料通道以执行燃料喷射和停止喷射，具有阀座10的喷嘴主体4，设置有旋转通道21 在阀元件3和阀座10彼此接触的座部分10a的下游，以及旋转通道21和燃料喷射口23连接的涡流室22和凹部（缓冲器） 在涡流室22的与燃料喷射口23相对的壁面部4a上设置体积大的涡流室22。
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公开(公告)号：US08888021B2
公开(公告)日：2014-11-18
申请号：US13344665
申请日：2012-01-06
申请人： Yoshihito Yasukawa , Yoshio Okamoto , Takahiro Saito , Masanori Ishikawa , Eiji Ishii , Nobuaki Kobayashi , Noriyuki Maekawa
发明人： Yoshihito Yasukawa , Yoshio Okamoto , Takahiro Saito , Masanori Ishikawa , Eiji Ishii , Nobuaki Kobayashi , Noriyuki Maekawa
CPC分类号： F02M61/162 , F02B31/00 , F02M51/061 , F02M61/1853 , F02M61/188
摘要： A fuel injection valve includes: a swirl chamber having an inner peripheral wall formed to be gradually increased in curvature toward a downstream side from an upstream side; a swirl passage, through which a fuel is introduced into the swirl chamber; and a fuel injection port opened to the swirl chamber, wherein the swirl chamber and the swirl passage are formed so that a side wall of the swirl passage connected to a downstream end side of the swirl chamber, or an extension thereof is made not to intersect a downstream side portion of the inner peripheral wall of the swirl chamber, or an extension thereof.
摘要翻译： 燃料喷射阀包括：旋流室，其具有形成为从上游侧向下游侧逐渐增加的曲率的内周壁; 涡流通道，燃料通过该涡流通道引入涡流室; 以及向所述涡流室开口的燃料喷射口，其特征在于，所述涡流室和所述涡流通路形成为使得与所述涡流室的下游端侧连接的涡旋通路的侧壁或其旋转延伸部不会相交 涡流室的内周壁的下游侧部分或其延伸部分。
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公开(公告)号：US08882003B2
公开(公告)日：2014-11-11
申请号：US13556394
申请日：2012-07-24
CPC分类号： F02M61/186 , F02M61/162 , F02M61/1853
摘要： A fuel injector has a swirl generator located downstream from a valve seat. A fuel injection hole is connected to a downstream side of the swirl generator. The swirl generator includes a swirl chamber having an involute or a spiral shape and the fuel injection hole bored at a bottom or the swirl chamber and a swirl generation use passage connected to the upstream side of the swirl chamber for introducing fuel into the swirl chamber. The bottom of the swirl chamber is provided with a step height so as to make a level difference in which the bottom of the swirl chamber is lower than a bottom of the swirl generation use passage, and the step height is formed at a position where fuel flowing into the swirl chamber from the swirl generation use passage meets fuel turning in the swirl chamber.
摘要翻译： 燃料喷射器具有位于阀座下游的旋流发生器。 燃料喷射孔连接到涡流发生器的下游侧。 涡流发生器包括具有渐开线或螺旋形状的旋转室，在底部钻有的燃料喷射孔或涡流室，以及连接到涡流室的上游侧的涡流产生用通道，用于将燃料引入涡流室。 涡流室的底部具有台阶高度，以便使涡流室的底部低于涡流生成用通道的底部的水平差，并且台阶高度形成在燃料 从漩涡发生使用通道流入涡流室满足涡流室中的燃料转向。
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7.发明申请公开(公告)号：US20080116301A1
公开(公告)日：2008-05-22
申请号：US11907716
申请日：2007-10-16
申请人： Yoshihito Yasukawa , Eiji Ishii , Noriyuki Maekawa , Motoyuki Abe , Hiroshi Yamada , Nobuaki Kobayashi , Takahiro Saito
发明人： Yoshihito Yasukawa , Eiji Ishii , Noriyuki Maekawa , Motoyuki Abe , Hiroshi Yamada , Nobuaki Kobayashi , Takahiro Saito
CPC分类号： F02M61/18 , F02M61/1853 , F02M61/1873 , F02M61/188 , F02M61/1886 , Y10S239/90
摘要： A fuel injection valve comprises a valve seat, a movable valve element which is seated on or separated from the valve seat, and a nozzle member having a plurality of nozzle holes. At least one of the valve element and valve seat has a curved surface at a contact position where they contact with each other when the valve element is seated on the valve seat. Two or more of the nozzle holes are provided outside an intersection line of a virtual extension surface along a tangential line to the curved surface at the contact position and a surface of the nozzle member.
摘要翻译： 燃料喷射阀包括阀座，位于阀座上或与阀座分离的可动阀元件和具有多个喷嘴孔的喷嘴构件。 阀元件和阀座中的至少一个在阀元件就座在阀座上时在接触位置具有彼此接触的弯曲表面。 两个或多个喷嘴孔设置在虚拟延伸表面的沿着切线的交叉线的外侧，在接触位置处的曲面和喷嘴构件的表面。
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8.发明授权公开(公告)号：US08096490B2
公开(公告)日：2012-01-17
申请号：US11907716
申请日：2007-10-16
申请人： Yoshihito Yasukawa , Eiji Ishii , Noriyuki Maekawa , Motoyuki Abe , Hiroshi Yamada , Nobuaki Kobayashi , Takahiro Saito
发明人： Yoshihito Yasukawa , Eiji Ishii , Noriyuki Maekawa , Motoyuki Abe , Hiroshi Yamada , Nobuaki Kobayashi , Takahiro Saito
IPC分类号： F02M61/00
CPC分类号： F02M61/18 , F02M61/1853 , F02M61/1873 , F02M61/188 , F02M61/1886 , Y10S239/90
摘要： A fuel injection valve comprises a valve seat, a movable valve element which is seated on or separated from the valve seat, and a nozzle member having a plurality of nozzle holes. At least one of the valve element and valve seat has a curved surface at a contact position where they contact with each other when the valve element is seated on the valve seat. Two or more of the nozzle holes are provided outside an intersection line of a virtual extension surface along a tangential line to the curved surface at the contact position and a surface of the nozzle member.
摘要翻译： 燃料喷射阀包括阀座，位于阀座上或与阀座分离的可动阀元件和具有多个喷嘴孔的喷嘴构件。 阀元件和阀座中的至少一个在阀元件就座在阀座上时在接触位置具有彼此接触的弯曲表面。 两个或多个喷嘴孔设置在虚拟延伸表面的沿着切线的交叉线的外侧，在接触位置处的曲面和喷嘴构件的表面。
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公开(公告)号：US20070095949A1
公开(公告)日：2007-05-03
申请号：US11585847
申请日：2006-10-25
CPC分类号： F02M61/1853 , F02M51/0675 , F02M61/12 , F02M61/1886 , F02M61/1893
摘要： A fuel injector includes a tube member and a valve element to slide axially in the tube member. The valve element includes a center portion and a plurality of plate portions projecting radially from the center portion, and each including side surfaces extending axially; and a guide section including an outer portion defining a valve seat, and an inner portion which is located on a radial inner side of the outer portion, and which is formed with at least one injection hole. The guide section is arranged to divert the flow of the fuel conveyed along the plate portions, to a radial inward direction toward the injection hole.
摘要翻译： 燃料喷射器包括管构件和在管构件中轴向滑动的阀元件。 阀元件包括中心部分和从中心部分径向伸出的多个板部分，并且每个板部分包括轴向延伸的侧表面; 以及引导部分，其包括限定阀座的外部部分和位于外部部分的径向内侧上的内部部分，并且形成有至少一个喷射孔。 引导部分被布置成将沿着板部分传送的燃料的流向转向朝向喷射孔的径向向内的方向。
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公开(公告)号：US07370816B2
公开(公告)日：2008-05-13
申请号：US11585847
申请日：2006-10-25
CPC分类号： F02M61/1853 , F02M51/0675 , F02M61/12 , F02M61/1886 , F02M61/1893
摘要： A fuel injector includes a tube member and a valve element to slide axially in the tube member. The valve element includes a center portion and a plurality of plate portions projecting radially from the center portion, and each including side surfaces extending axially; and a guide section including an outer portion defining a valve seat, and an inner portion which is located on a radial inner side of the outer portion, and which is formed with at least one injection hole. The guide section is arranged to divert the flow of the fuel conveyed along the plate portions, to a radial inward direction toward the injection hole.
摘要翻译： 燃料喷射器包括管构件和在管构件中轴向滑动的阀元件。 阀元件包括中心部分和从中心部分径向伸出的多个板部分，并且每个板部分包括轴向延伸的侧表面; 以及引导部分，其包括限定阀座的外部部分和位于外部部分的径向内侧上的内部部分，并且形成有至少一个喷射孔。 引导部分被布置成将沿着板部分传送的燃料的流向转向朝向喷射孔的径向向内的方向。
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