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1. 发明授权

US06901916B2 Fuel discharge apparatus having a vapor removal system, and internal combustion engine fuel supply system having such fuel discharge apparatus 失效
标题翻译：具有蒸汽去除系统的燃料排放装置和具有这种燃料排出装置的内燃机燃料供给系统
公开(公告)号：US06901916B2
公开(公告)日：2005-06-07
申请号：US10765189
申请日：2004-01-28
申请人： Shogo Hashimoto , Ryoji Ehara , Hiroshi Mizui , Tadashi Nichogi
发明人： Shogo Hashimoto , Ryoji Ehara , Hiroshi Mizui , Tadashi Nichogi
IPC分类号： F02M5/12 , F02M37/20 , F02M51/04 , F02M55/00 , F02M57/02 , F02M37/00
CPC分类号： F02M51/04 , F02M37/20 , F02M55/00 , F02M55/007 , F02M57/027
摘要： An internal combustion engine fuel supply system includes a fuel discharge apparatus having a vapor removal system. The fuel discharge apparatus includes an apparatus body, a fuel chamber defined in the body, a fuel inlet connected to a fuel tank, a fuel supply path partially defined by the fuel inlet and connecting the fuel chamber to the fuel tank, a fuel discharge outlet, a fuel return outlet for return of excess fuel to the fuel tank, and a reflux path connecting the fuel supply path to the fuel return outlet. A vapor blocking member is provided in the fuel supply path at a bifurcation point at which the reflux path branches from the fuel supply path. The reflux path is arranged such that vapor blocked by the vapor blocking member rises from the bifurcation point and through the reflux path to the fuel return outlet due to self-buoyancy of the vapor.
摘要翻译：内燃机燃料供给系统包括具有蒸汽去除系统的燃料排放装置。燃料排出装置包括装置主体，限定在主体中的燃料室，连接到燃料箱的燃料入口，由燃料入口部分地限定并将燃料室连接到燃料箱的燃料供给路径，燃料排出口，用于将多余燃料返回到燃料箱的燃料返回出口，以及将燃料供给路径连接到燃料返回出口的回流路径。在回流路径从燃料供给路径分支的分叉点处，在燃料供给路径上设置蒸气阻挡部件。回流路径布置成使得由蒸气阻挡构件阻挡的蒸气由于蒸气的自浮力而从分叉点上升并通过回流路径升高到燃料返回出口。

2. 发明授权

US06877489B2 Electronically controlled fuel injection device 失效
标题翻译：电控燃油喷射装置
公开(公告)号：US06877489B2
公开(公告)日：2005-04-12
申请号：US10438010
申请日：2003-05-15
申请人： Shogo Hashimoto , Ryoji Ehara , Hiroshi Mizui , Tadashi Nichogi , Junichiro Takahashi
发明人： Shogo Hashimoto , Ryoji Ehara , Hiroshi Mizui , Tadashi Nichogi , Junichiro Takahashi
IPC分类号： F02M37/00 , F02M37/08 , F02M37/20 , F02M51/00 , F02M51/04 , F02M55/00 , F02M55/02 , F02M57/02 , F02M59/34 , F02M59/36 , F02M59/44 , F02M59/46 , F02M61/08 , F02M63/00 , F02M69/00 , F02M69/04 , F02M33/02
CPC分类号： F02M55/007 , F02M51/04 , F02M57/027 , F02M61/08 , F02M69/047 , F02M2200/505
摘要： An electronically controlled fuel injection device includes a plunger pump constituted by a cylinder, a plunger is slidably mounted within the cylinder to form a pressure chamber, and a solenoid coil for driving the plunger. At a lower section of a body that encases the plunger pump, an intake section is coupled to the pressure chamber to cause intake of fuel into the pressure chamber upon operation of the plunger. At an upper section of the body, a return section is arranged to return surplus fuel to a fuel tank. A circulation passage branches off from the intake section and is provided between the cylinder and the solenoid coil for guiding a portion of the fuel toward the return section. With this arrangement, penetration of vapor into the fuel injection device is suppressed, and an inexpensive and highly durable electronically controlled fuel injection device is provided.
摘要翻译：电控燃料喷射装置包括由气缸构成的柱塞泵，柱塞可滑动地安装在气缸内以形成压力室，以及用于驱动柱塞的螺线管线圈。在包住柱塞泵的主体的下部，吸入部分联接到压力室，以在柱塞操作时使燃料进入压力室。在身体的上部，设置有返回部分，以将多余的燃料返回到燃料箱。循环通道从进气段分支，并且设置在气缸和螺线管线圈之间，用于将一部分燃料引导到返回部分。通过这种布置，可以抑制蒸气进入燃料喷射装置的渗透，并且提供廉价且高度耐用的电子控制燃料喷射装置。

3. 发明授权

US06640787B2 Electronically controlled fuel injection device 失效
公开(公告)号：US06640787B2
公开(公告)日：2003-11-04
申请号：US10354198
申请日：2003-01-30
申请人： Shogo Hashimoto , Ryoji Ehara , Hiroshi Mizui , Tadashi Nichogi , Junichiro Takahashi
发明人： Shogo Hashimoto , Ryoji Ehara , Hiroshi Mizui , Tadashi Nichogi , Junichiro Takahashi
IPC分类号： F02M504
CPC分类号： F02M57/027 , F02M51/04 , F02M63/06
摘要： An electronically controlled fuel injection device includes a plunger pump, a circulation passage which circulates fuel that has been pressurized in the initial stage of a pressure-feeding stroke, a valve body which blocks the circulation passage in the later stage of the pressure-feeding stroke, an inlet orifice nozzle which allows the passage of fuel whose pressure has been increased in the later stage of the pressure-feeding stroke, an outlet orifice nozzle which is used to circulate some of the fuel that has passed through the inlet orifice nozzle back into the fuel tank, an injection nozzle which injects an amount of fuel equal to the difference between the fuel that has passed through the inlet orifice nozzle and the fuel that has passed through the outlet orifice nozzle, and a control arrangement for controlling the plunger pump in response to the cycle of the engine.

4. 发明授权

US07591248B2 Fuel injection system 失效
标题翻译：燃油喷射系统
公开(公告)号：US07591248B2
公开(公告)日：2009-09-22
申请号：US10588151
申请日：2005-02-22
申请人： Hiroshi Mizui , Ryoji Ehara
发明人： Hiroshi Mizui , Ryoji Ehara
IPC分类号： F02M55/02 , F02M37/20
CPC分类号： F02M37/0052 , F02M37/0088 , F02M37/20 , F02M37/22 , F02M69/042
摘要： In a fuel injection system, a fuel tank is disposed below an electronically controlled fuel injection apparatus. A fuel reservoir chamber for supplying fuel from the fuel tank is disposed above the electronically controlled fuel injection apparatus, and the fuel stored in the fuel reservoir chamber is supplied to the electronically controlled fuel injection apparatus via a fuel supply passage. The fuel reservoir chamber and the fuel tank are connected by a first fuel return passage through which vapor is ejected and fuel in the fuel reservoir chamber overflows. A second fuel return passage for returning surplus fuel from the electronically controlled fuel injection apparatus is connected to either of the fuel reservoir chamber and the first fuel return passage at the position above the connecting position at which the fuel reservoir chamber connects with the first fuel return passage.
摘要翻译：在燃料喷射系统中，燃料箱设置在电控燃料喷射装置的下方。用于从燃料箱供应燃料的燃料储存室设置在电子控制的燃料喷射装置的上方，并且储存在燃料储存室中的燃料经由燃料供给通道被供应到电子控制的燃料喷射装置。燃料储存室和燃料箱通过第一燃料返回通道连接，通过该第一燃料返回通道喷射蒸汽并且燃料储存室中的燃料溢出。用于使来自电子控制燃料喷射装置的多余燃料返回的第二燃料返回通道在燃料储存室与第一燃料返回连接的连接位置上方的位置连接到燃料储存室和第一燃料返回通道中的任一个通道。

5. 发明申请

US20090065615A1 Electromagnetic Actuator and Fuel Injection Device 审中-公开
标题翻译：电磁执行器和燃油喷射装置
公开(公告)号：US20090065615A1
公开(公告)日：2009-03-12
申请号：US12225679
申请日：2007-03-23
申请人： Hiroshi Mizui , Yusuke Itabashi , Toshio Karasawa
发明人： Hiroshi Mizui , Yusuke Itabashi , Toshio Karasawa
IPC分类号： F02M51/06 , H02K33/02 , F16K31/06
CPC分类号： F02M57/027 , F02M51/04 , H02K33/04
摘要： [Problem] To reduce the size, lower the cost and increase and flatten the thrust of an electromagnetic actuator in which a plunger moves reciprocally.[Solution] The electromagnetic actuator comprises a yoke 130, a coil 180 arranged around the yoke, an armature 120 slidably arranged inside the yoke and integrally formed with a plunger 110, and a return spring 150 for returning the armature to a rest position, wherein the yoke 130 has, in a predetermined position on the axial direction L, a thickness-reduced annular gap groove 133 over part of an outer peripheral face 131, the thickness-reduced portion having a trapezoidal cross section widening outwards. Such a constitution allows shortening the magnetic path, allows increasing and flattening the electromagnetic force (thrust) generated for the displacement of the armature, allows increasing the acceleration (responsiveness) of the armature, and allows, for instance, reducing the parts count, simplifying assembly operations, and achieving cost reductions, while requiring no high-precision control of assembly positions.
摘要翻译： [问题]为了减小尺寸，降低成本，增加并平坦化柱塞相互往复移动的电磁致动器的推力。 [解决方案]电磁致动器包括磁轭130，围绕磁轭布置的线圈180，可滑动地布置在磁轭内并与柱塞110一体形成的衔铁120和用于使电枢返回到静止位置的复位弹簧150，磁轭130在轴向方向L上的预定位置处具有在外周面131的一部分上的厚度减小的环形间隙槽133，该厚度减小部分具有向外扩大的梯形横截面。通过这样的结构，能够缩短磁路，能够增大和平坦化电枢的位移产生的电磁力（推力），能够增加电枢的加速度（响应度），例如减少零件数，简化组装操作，并实现成本降低，同时不需要对组装位置的高精度控制。

6. 发明申请

US20070125345A1 Fuel injection system 失效
标题翻译：燃油喷射系统
公开(公告)号：US20070125345A1
公开(公告)日：2007-06-07
申请号：US10588151
申请日：2005-02-22
申请人： Hiroshi Mizui , Ryoji Ehara
发明人： Hiroshi Mizui , Ryoji Ehara
IPC分类号： F02M37/00
CPC分类号： F02M37/0052 , F02M37/0088 , F02M37/20 , F02M37/22 , F02M69/042
摘要： The present invention is to provide a fuel injection system which can inject an appropriate amount of fuel from an electronically controlled fuel injection apparatus while returning vapor existing somewhere in the fuel passages, even in the condition that the fuel tank is disposed below the electronically controlled fuel injection apparatus. In the present invention, a fuel tank 10 is disposed below an electronically controlled fuel injection apparatus 12. A fuel reservoir chamber 18 for supplying fuel from the fuel tank 10 is disposed above the electronically controlled fuel injection apparatus 12, and the fuel stored in the fuel reservoir chamber 18 is supplied to the electronically controlled fuel injection apparatus 12 via a fuel supply passage 24. The fuel reservoir chamber 18 and the fuel tank 10 are connected by a first fuel return passage 30 through which vapor is ejected and fuel in the fuel reservoir chamber overflows. A second fuel return passage 36 for returning surplus fuel from the electronically controlled fuel injection apparatus 12 is connected to either of the fuel reservoir chamber 18 and the first fuel return passage 30 at the position above the connecting position of the fuel reservoir chamber 18 and the first fuel return passage 30.
摘要翻译：本发明提供一种燃料喷射系统，其能够在电子控制的燃料喷射装置中喷射适当量的燃料，同时返回存在于燃料通道某处的蒸汽，即使在燃料箱设置在电子控制燃料之下注射装置在本发明中，燃料箱10设置在电控燃料喷射装置12的下方。用于从燃料箱10供给燃料的燃料储存室18设置在电子控制燃料喷射装置12的上方，并且储存在燃料储存室18中的燃料经由燃料供给通道24供给到电子控制燃料喷射装置12 。燃料储存室18和燃料箱10通过第一燃料返回通道30连接，第一燃料返回通道30通过该第一燃料返回通道30喷射蒸气并且燃料储存室中的燃料溢出。用于使来自电控燃料喷射装置12的剩余燃料返回的第二燃料返回通道36在燃料储存室18的连接位置上方的位置处连接到燃料储存室18和第一燃料返回通道30中的任一个，第一燃料返回通道30。

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