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公开(公告)号：US20100065021A1
公开(公告)日：2010-03-18
申请号：US12438668
申请日：2006-09-25
IPC分类号： F02M51/00
CPC分类号： F02M51/0671 , F02M51/0685 , F02M2200/07 , F02M2200/304
摘要： In a fuel injection valve used for an internal combustion engine, a valve closing lag time due to fluid resistance in a fuel path is shortened to decrease a minimum injection limit. More specifically, in the fuel injection valve in which an anchor is attracted to an end face part of a stationary core having a fuel path formed at a center part thereof by means of electromagnetic force, and in which a fuel injection hole is opened and closed by controlling a valve disc driven in conjunction with the anchor, there are provided a fuel reservoir part at a center part of an upper end face part of the anchor, a through hole extending axially in a fashion that an end part thereof is open to the fuel reservoir part, and a fuel path extending radially outward from the fuel reservoir part so that fuel is fed to a magnetic attraction gap between an upper end face part of the anchor and a lower end face part of the stationary core. Further, an opening part of a through hole that is open to an upper end face part of the anchor is at least partially opposed to a fuel introduction bore formed in the stationary core, and on the opening part of the through hole, a fuel introduction part is provided for capturing fuel running radially outward from a center side part of the anchor and for guiding the fuel thus captured to the through hole.
摘要翻译： 在用于内燃机的燃料喷射阀中，由于燃料路径中的流体阻力引起的关闭滞后时间被缩短以减小最小喷射极限。 更具体地说，在燃料喷射阀中，锚具被吸引到具有通过电磁力形成在其中心部分处的燃料路径的固定铁芯的端面部分，并且其中燃料喷射孔被打开和关闭 通过控制与锚固件一起驱动的阀盘，在锚固件的上端面部分的中心部分设置有一个燃料储存部分，一个轴向延伸的通孔，该通孔的端部向 燃料储存部分和从燃料储存部分径向向外延伸的燃料路径，使得燃料被供给到锚固件的上端面部分和固定铁芯的下端面部分之间的磁吸引间隙。 此外，通向孔的上端面部分开口的通孔的开口部分至少部分地与形成在固定铁芯中的燃料导入孔相对，并且在通孔的开口部分上具有燃料引入 设置有用于捕获从锚的中心侧径向向外延伸的燃料并且将如此捕获的燃料引导到通孔。
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公开(公告)号：US20100012754A1
公开(公告)日：2010-01-21
申请号：US12439102
申请日：2006-09-25
IPC分类号： F02M51/00
CPC分类号： F02M51/0685 , F02M51/0671 , F02M2200/07
摘要： In relation to injectors used for internal-combustion engines, it is important to decrease valve closing delay time and also the minimum injection quantity, while these are affected by remanent magnetism in the fixed core, surface tension of the fuel, etc. With reference to a fuel injection valve with a pipe-shaped member to enclose a fixed core and a movable part and further with coils and yokes to cover up the above pipe-shaped member, the anchor to drive the movable member has a plurality of through holes for fuel passage extending in the axial direction, while these through holes are arranged at a certain intervals in the circumferential direction, and projections formed to constitute a contacting surface to touch the fixed core arranged randomly in between the through holes.
摘要翻译： 关于用于内燃机的喷射器，重要的是减小闭阀延迟时间以及最小喷射量，同时它们受到固定铁芯中的剩余磁性，燃料表面张力等的影响。参考 具有管状部件的燃料喷射阀，其包围固定铁芯和可动部，并且还具有用于覆盖上述管状部件的线圈和轭，驱动可动部件的锚具具有多个用于燃料的通孔 通孔沿轴向方向延伸，而这些通孔在圆周方向上以一定的间隔布置，并且突起形成为构成接触表面以接触随机布置在通孔之间的固定芯。
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公开(公告)号：US07478582B2
公开(公告)日：2009-01-20
申请号：US10781631
申请日：2004-02-20
IPC分类号： F01B31/00
CPC分类号： F04B53/008 , F02M59/02 , F02M59/44 , F02M59/442
摘要： The problems can be solved by ensuring that Ga≦Gb
摘要翻译： 可以通过确保Ga <= Gb
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公开(公告)号：US07770823B2
公开(公告)日：2010-08-10
申请号：US12129053
申请日：2008-05-29
CPC分类号： F02M61/18 , F02M51/0675 , F02M61/168 , F02M65/005 , F02M2200/8061 , F02M2200/8084 , F02M2200/8092
摘要： A fuel injector comprises a movable element, a seat contact surface formed at one end of the movable element, a nozzle member having a valve seat. The seat contact surface of the movable element is in contact with and seated on at the time of valve closing. A nozzle holder portion holds a periphery of the nozzle member. A plastic deformation portion is formed by engaging one of a part of the nozzle member and a part of the nozzle holder portion in the other one of the part of the nozzle member. The nozzle member and the nozzle holder portion are joined by welding.
摘要翻译： 燃料喷射器包括可移动元件，形成在可移动元件的一端的座接触表面，具有阀座的喷嘴构件。 可动元件的座接触面与阀关闭时接触并就座。 喷嘴保持部保持喷嘴部件的周边。 通过使喷嘴部件的一部分与喷嘴部件的另一部分中的喷嘴保持部的一部分接合而形成塑性变形部。 喷嘴构件和喷嘴保持器部分通过焊接接合。
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公开(公告)号：US08104698B2
公开(公告)日：2012-01-31
申请号：US12439102
申请日：2006-09-25
CPC分类号： F02M51/0685 , F02M51/0671 , F02M2200/07
摘要： In relation to injectors used for internal-combustion engines, it is important to decrease valve closing delay time and also the minimum injection quantity, while these are affected by remanent magnetism in the fixed core, surface tension of the fuel, etc. With reference to a fuel injection valve with a pipe-shaped member to enclose a fixed core and a movable part and further with coils and yokes to cover up the above pipe-shaped member, the anchor to drive the movable member has a plurality of through holes for fuel passage extending in the axial direction, while these through holes are arranged at a certain intervals in the circumferential direction, and projections formed to constitute a contacting surface to touch the fixed core arranged randomly in between the through holes.
摘要翻译： 关于用于内燃机的喷射器，重要的是减小闭阀延迟时间以及最小喷射量，同时它们受到固定铁芯中的剩余磁性，燃料表面张力等的影响。参考 具有管状部件的燃料喷射阀，其包围固定铁芯和可动部，并且还具有用于覆盖上述管状部件的线圈和轭，驱动可动部件的锚具具有多个用于燃料的通孔 通孔沿轴向方向延伸，而这些通孔在圆周方向上以一定的间隔布置，并且突起形成为构成接触表面以接触随机布置在通孔之间的固定芯。
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公开(公告)号：US20080296414A1
公开(公告)日：2008-12-04
申请号：US12129053
申请日：2008-05-29
IPC分类号： F02M61/10
CPC分类号： F02M61/18 , F02M51/0675 , F02M61/168 , F02M65/005 , F02M2200/8061 , F02M2200/8084 , F02M2200/8092
摘要： A fuel injector comprises a movable element, a seat contact surface formed at one end of the movable element, a nozzle member having a valve seat. The seat contact surface of the movable element is in contact with and seated on at the time of valve closing. A nozzle holder portion holds a periphery of the nozzle member. A plastic deformation portion is formed by engaging one of a part of the nozzle member and a part of the nozzle holder portion in the other one of the part of the nozzle member. The nozzle member and the nozzle holder portion are joined by welding.
摘要翻译： 燃料喷射器包括可移动元件，形成在可移动元件的一端的座接触表面，具有阀座的喷嘴构件。 可动元件的座接触面与阀关闭时接触并就座。 喷嘴保持部保持喷嘴部件的周边。 通过使喷嘴部件的一部分与喷嘴部件的另一部分中的喷嘴保持部的一部分接合而形成塑性变形部。 喷嘴构件和喷嘴保持器部分通过焊接接合。
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公开(公告)号：US07021569B1
公开(公告)日：2006-04-04
申请号：US09763972
申请日：2000-01-26
申请人： Kiyotaka Ogura , Atsushi Sekine , Eiichi Kubota , Masafumi Nakano , Keiichi Uraki , Noriyuki Maekawa , Mizuho Yokoyama , Yoshiyuki Tanabe , Hiromasa Kubo , Tooru Ishikawa
发明人： Kiyotaka Ogura , Atsushi Sekine , Eiichi Kubota , Masafumi Nakano , Keiichi Uraki , Noriyuki Maekawa , Mizuho Yokoyama , Yoshiyuki Tanabe , Hiromasa Kubo , Tooru Ishikawa
CPC分类号： F02M61/168 , F02M51/0671 , F02M61/12 , F02M61/162 , F02M2200/306 , F02M2200/8061
摘要： A fuel swirler positioned upstream of an injection orifice is disposed at the tip of a nozzle body in a fuel injector, in which the fixed core and the nozzle body are coupled to each other via a non-magnetic cylindrical seal ring press-fitted and welded to the outer circumference of one end on the nozzle body side of the fixed core and the inner circumference of one end of the nozzle body. The inner circumference of the fuel swirler and the inner circumference of the seal ring function serve as a guide for slidably guiding a stroke movement of the needle. The fuel swirler is held between the receiving surface of the nozzle body and the orifice plate, thus defining an annular fuel passage between the outer circumference of the fuel swirler and the inner circumference of the nozzle body, so that fuel flows into a passage groove formed at the lower end surface of the fuel swirler via the annular fuel passage. A mass movable in an axial direction independently of the needle is interposed between the return spring and the needle, and a plate spring is interposed between the mass and the needle.
摘要翻译： 位于喷射孔上游的燃料旋流器设置在燃料喷射器中的喷嘴体的顶端处，其中固定芯体和喷嘴体通过非磁性圆柱形密封环相互联接，压紧和焊接 到固定芯的喷嘴体侧的一端的外周和喷嘴体的一端的内周。 燃料旋流器的内周和密封环功能的内周作为用于可滑动地引导针的行程运动的引导件。 燃料旋流器保持在喷嘴体的接收表面和孔板之间，从而在燃料旋流器的外周和喷嘴体的内周之间限定一个环形燃料通道，使得燃料流入形成的通道槽 在燃料旋流器的下端表面经由环形燃料通道。 独立于针的轴向可移动的质量体位于复位弹簧和针之间，并且在弹簧和针之间插入板簧。
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公开(公告)号：USD313919S
公开(公告)日：1991-01-22
申请号：US876900
申请日：1986-06-20
申请人： Masahito Naito , Toshiro Higa , Tetsuro Aobori , Eiichi Kubota , Takeichi Obata
设计人： Masahito Naito , Toshiro Higa , Tetsuro Aobori , Eiichi Kubota , Takeichi Obata
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公开(公告)号：USD304281S
公开(公告)日：1989-10-31
申请号：US876393
申请日：1986-06-20
申请人： Masahito Naito , Toshiro Higa , Tetsuro Aobori , Eiichi Kubota , Takeichi Obata
设计人： Masahito Naito , Toshiro Higa , Tetsuro Aobori , Eiichi Kubota , Takeichi Obata
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公开(公告)号：US08230839B2
公开(公告)日：2012-07-31
申请号：US12438668
申请日：2006-09-25
IPC分类号： F02M51/00
CPC分类号： F02M51/0671 , F02M51/0685 , F02M2200/07 , F02M2200/304
摘要： In a fuel injection valve used for an internal combustion engine, a valve closing lag time due to fluid resistance in a fuel path is shortened to decrease a minimum injection limit. More specifically, in the fuel injection valve in which an anchor is attracted to an end face part of a stationary core having a fuel path formed at a center part thereof by means of electromagnetic force, and in which a fuel injection hole is opened and closed by controlling a valve disc driven in conjunction with the anchor, there are provided a fuel reservoir part at a center part of an upper end face part of the anchor, a through hole extending axially in a fashion that an end part thereof is open to the fuel reservoir part, and a fuel path extending radially outward from the fuel reservoir part so that fuel is fed to a magnetic attraction gap between an upper end face part of the anchor and a lower end face part of the stationary core. Further, an opening part of a through hole that is open to an upper end face part of the anchor is at least partially opposed to a fuel introduction bore formed in the stationary core, and on the opening part of the through hole, a fuel introduction part is provided for capturing fuel running radially outward from a center side part of the anchor and for guiding the fuel thus captured to the through hole.
摘要翻译： 在用于内燃机的燃料喷射阀中，由于燃料路径中的流体阻力引起的关闭滞后时间被缩短以减小最小喷射极限。 更具体地说，在燃料喷射阀中，锚具被吸引到具有通过电磁力形成在其中心部分处的燃料路径的固定铁芯的端面部分，并且其中燃料喷射孔被打开和关闭 通过控制与锚固件一起驱动的阀盘，在锚固件的上端面部分的中心部分设置有一个燃料储存部分，一个轴向延伸的通孔，该通孔的端部向 燃料储存部分和从燃料储存部分径向向外延伸的燃料路径，使得燃料被供给到锚固件的上端面部分和固定铁芯的下端面部分之间的磁吸引间隙。 此外，通向孔的上端面部分开口的通孔的开口部分至少部分地与形成在固定铁芯中的燃料导入孔相对，并且在通孔的开口部分上具有燃料引入 设置有用于捕获从锚的中心侧径向向外延伸的燃料并且将如此捕获的燃料引导到通孔。
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