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    • 1. 发明授权
    • Distributor type fuel injection pump and power transmission device
    • 分配器型燃油喷射泵和动力传动装置
    • US6004106A
    • 1999-12-21
    • US19928
    • 1998-02-06
    • Hajime MachidaSatoshi KitamuraJun Matsubara
    • Hajime MachidaSatoshi KitamuraJun Matsubara
    • F02B67/06F02M39/02F02M41/14F02M59/44F04B49/00F02M41/00
    • F02M39/02F02M41/1405F02M59/44
    • In a distributor type fuel injection pump and a power transmission pump for transmitting power to the fuel injection pump, when a rotation system member of the injection pump is seized if anything should happen, only an injection pump is damaged to thereby greatly reduce damage to an engine. To this end, an annular groove is provided in a rotor to which power from the engine is transmitted, and the annular groove constitutes a frail portion of the rotor. The annular groove is positioned along the rotor so that all or most of the sliding portions of the rotor are located on a side of the groove opposite to a power supply side. When seizure occurs in the sliding portions of the rotor to prevent rotation, the rotor is twisted off at the annular groove by the power from the engine, so that rotation of a power supply side portion of the rotor is not prevented.
    • 在分配器型燃油喷射泵和用于向燃油喷射泵发送动力的动力传递泵的情况下,如果发生任何事情,则当注射泵的旋转系统构件被卡住时,只有注射泵被损坏,从而大大降低了对 发动机。 为此,在转子中设置有环形槽,来自发动机的动力被传递到该转子上,环形槽构成转子的较小部分。 环形槽沿着转子定位,使得转子的所有或大部分滑动部分位于与电源侧相对的槽的一侧。 当在转子的滑动部分发生卡塞以防止旋转时,转子通过来自发动机的动力在环形槽处扭转,从而不能防止转子的电源侧部分的旋转。
    • 4. 发明授权
    • Information processing apparatus
    • 信息处理装置
    • US5148295A
    • 1992-09-15
    • US733964
    • 1991-07-22
    • Jun Matsubara
    • Jun Matsubara
    • H04N1/00H04N1/04
    • H04N1/00405H04N1/00384H04N1/00411H04N1/00413H04N1/0049H04N1/0402H04N1/0405H04N1/0417
    • An information processing apparatus including an image scanner, on which original documents with any vertical or horizontal format are placed, for optically scanning the images of the original documents to generate output image information and format setting keys for designating the format of the original documents and generating information concerning the format of the original documents. The apparatus further includes a first memory for storing the information concerning the format of the original documents generated by the format setting keys and for outputting the information concerning the format; an enlargement/reduction unit for changing the size of the image information of a whole vertical original document and a whole horizontal original document output from the image scanner with the same magnification and for outputting the changed image information; a second memory for storing the image information output from the enlargement/reduction unit in accordance with the information concerning the format of the original documents output from the first memory and for outputting the image information; and a display unit having a square screen for displaying the image information from the second memory on the square screen.
    • 一种信息处理设备,包括:图像扫描器,其上放置有任何垂直或水平格式的原始文档,用于光学扫描原始文档的图像,以产生输出图像信息和格式设置键,用于指定原始文档的格式并产生 有关原始文件格式的信息。 该装置还包括第一存储器,用于存储关于由格式设置键生成的原始文档的格式的信息,并且用于输出关于格式的信息; 放大/缩小单元,用于改变整个垂直原稿的图像信息的尺寸和以相同的倍率从图像扫描仪输出的整个水平原稿,并输出改变的图像信息; 第二存储器,用于根据关于从第一存储器输出的原始文档的格式的信息存储从放大/缩小单元输出的图像信息,并输出图像信息; 以及显示单元,具有用于在平方屏幕上显示来自第二存储器的图像信息的方形屏幕。
    • 6. 发明授权
    • Distributor type fuel injection pump
    • 分配器型燃油喷射泵
    • US5806493A
    • 1998-09-15
    • US977239
    • 1997-11-24
    • Kenichi KuboMitsunori UranoToru YokotaJun Matsubara
    • Kenichi KuboMitsunori UranoToru YokotaJun Matsubara
    • F02D1/04F02M41/14F02M37/04
    • F02M41/1405
    • In an inner-cam system fuel injection pump, two balance ports that are offset symmetrically relative to a distribution port in a circumferential direction to form a Y-shape are formed at a rotor. The opening ends of the balance ports and the opening end of the distribution port are positioned on the same plane that is perpendicular to the axis of the rotor. The offset angle .theta. by which the balance ports are offset in the circumferential direction relative to the axis of the distribution port, the opening area S.sub.1 of the distribution port and the opening area S.sub.2 of each of the balance ports are set to satisfy a relationship expressed as S.sub.1 =.vertline.2.multidot.S.sub.2 .multidot.cos .theta..vertline.. The phase intervals of the fuel delivery passages and the phase interval of the two balance ports are set equal to each other. Seizure at the area where the rotor slides in contact with its supporting member is prevented effectively and stable injection characteristics are achieved by equalizing the residual pressures in the individual fuel delivery passages.
    • 在内凸轮系的燃料喷射泵中,在转子上形成有两个平衡端口,其相对于分配口在圆周方向上对称地偏移以形成Y形。 平衡口的开口端和分配口的开口端位于垂直于转子轴线的同一平面上。 平衡端口相对于分配口的轴线在圆周方向上偏移的偏移角度θ,分配口的开口面积S1和每个平衡端口的开口面积S2被设定为满足表达的关系 如S1 = | 2xS2xcos theta |。 燃料输送通道的相位间隔和两个平衡端口的相位间隔彼此相等。 有效地防止了转子滑动与其支撑构件接触的区域的缉获,并且通过均衡各个燃料输送通道中的残余压力来实现稳定的喷射特性。
    • 7. 发明授权
    • Two stage fuel injection pump with second stage located in the first
stage inlet line
    • 二级燃油喷射泵,第二级位于第一级入口管路
    • US5641274A
    • 1997-06-24
    • US413438
    • 1995-03-30
    • Kenichi KuboTsumayoshi MotoyoshiJun Matsubara
    • Kenichi KuboTsumayoshi MotoyoshiJun Matsubara
    • F02M39/00F02M41/14F02M53/00F04B23/10F04B19/02
    • F02M41/1405F02M39/005F02M41/1411F02M41/1427F02D2200/0606
    • A low pressure side fuel path extending from a fuel inflow port to a feed pump, and a chamber, which can communicate with an inflow/outflow port, are formed by partitioning inside a housing. A cam ring, shoes and rollers are provided in the low pressure side fuel path to induce low pressure, low temperature fuel into the area surrounding the rollers. A space that communicates with the low pressure side fuel path without constriction is formed on the upstream side on the back surfaces of the shoes. A phase of the cam ring and the control sleeve is fixed with the adapter provided on the boundary of the low pressure side fuel path and the chamber. An intake passage communicating with the intake port may be formed in the adapter to shorten the intake path. The area around the rollers, which tends to become heated in an inner-cam type fuel injection pump, is cooled efficiently, cam jump is reduced, control of advance angle is performed separately and independently of the fuel injection quantity control, and the efficiency of fuel intake is improved.
    • 通过在壳体内分隔而形成从燃料流入口向供给泵延伸的低压侧燃料路径,以及能够与流入口流通的室。 在低压侧燃料路径中设置有凸轮环,鞋和辊,以将低压,低温燃料引入到辊周围的区域中。 在鞋的背面的上游侧形成有与低压侧燃料路径连通而没有收缩的空间。 凸轮环和控制套筒的相位与设置在低压侧燃料路径和室的边界上的适配器固定。 可以在适配器中形成与进气口连通的进气通道,以缩短进气通道。 在内凸轮式燃料喷射泵中易于加热的辊周围的区域被有效地冷却,凸轮跳转减小,提前角的控制独立于燃料喷射量控制执行,并且效率 燃油消耗量得到改善。
    • 9. 发明授权
    • Spill control apparatus for fuel injection system
    • 燃油喷射系统溢油控制装置
    • US5915360A
    • 1999-06-29
    • US52677
    • 1998-04-01
    • Hiroshi IshiwataJun MatsubaraKenichi KuboNoriyuki AbeKatsuhiro Shimokoshikimachi
    • Hiroshi IshiwataJun MatsubaraKenichi KuboNoriyuki AbeKatsuhiro Shimokoshikimachi
    • F02D1/02F02M41/12F02M41/14F02M37/04
    • F02M41/1411
    • In a spill control apparatus for a fuel injection system in which a sleeve is externally fitted to a rotor, and the position of the sleeve relative to the rotor is used to adjust the communication timing between a port on the rotor and a port on the sleeve, the port formed at the rotor is constituted of a first indented portion formed over a specific angle of rotation and a second indented portion formed to achieve specific spill characteristics. The second indented portion is formed continuous to the front end of the first indented portion in the direction of rotation and the contour of the second indented portion is continuous to the contour of the first indented portion which is constituted of oblique sides which extend toward the front relative to the direction of rotation. The length of the rotor port in the axial direction may be set smaller than the length of the port formed on the sleeve in the axial direction. Thus, it is possible to inhibit the entry of dust particles into the area between the rotor and the sleeve, reducing the incidence of scarring induced on the sliding contact surfaces of the rotor and sleeve, and preventing the seizure of the rotor and the sleeve.
    • 在用于燃料喷射系统的溢流控制装置中,其中套筒外部装配到转子上,并且套筒相对于转子的位置用于调节转子上的端口与套筒上的端口之间的连通定时 形成在转子上的端口由形成在特定旋转角度上的第一凹口部分和形成为实现特定溢出特性的第二凹入部分构成。 第二缩进部分在旋转方向上与第一凹入部分的前端连续地形成,并且第二凹入部分的轮廓与第一凹槽部分的轮廓连续,该第一缩进部分由朝向前方延伸的斜边构成 相对于旋转方向。 转子端口在轴向上的长度可以被设定为小于在轴向上形成在套筒上的端口的长度。 因此,可以抑制灰尘颗粒进入转子和套筒之间的区域,减少在转子和套筒的滑动接触表面上引起的疤痕的发生,并且防止转子和套筒的卡住。
    • 10. 发明授权
    • Distributor type fuel injection pump
    • 分配器型燃油喷射泵
    • US5642715A
    • 1997-07-01
    • US623955
    • 1996-03-29
    • Toru YamakawaKen'ichi KuboHiroshi IshiwataJun Matsubara
    • Toru YamakawaKen'ichi KuboHiroshi IshiwataJun Matsubara
    • F02M41/12F02M41/14F02M45/06F02M41/00
    • F02M41/1411F02M45/06
    • Inflow/outflow ports are provided in either one of a distribution member for distributing compressed fuel or a control sleeve which is externally fitted around the distribution member. Each of the ports includes a slit extending therefrom. At the other one of the distribution member and the control sleeve, an intake-cutoff hole that communicates sequentially with the inflow/outflow ports and a pilot port which communicates with the slits during part of the force feed period are provided. Since the fuel flows out through the slits during part of the force feed period, pilot injection can be more easily achieved prior to the main injection during low speed rotation and fuel is less likely to be diverted through the slits due to the constricting effect during high speed rotation so that only the main injection is performed. As a result, a distributor type fuel injection pump which achieves pilot injection in the idling range and in the no-load range, and cancels the pilot injection in the full-load range is provided.
    • 在分配压缩燃料的分配构件或分配构件外部安装的控制套筒中的任一个中设置有流入/流出端口。 每个端口包括从其延伸的狭缝。 在分配构件和控制套筒的另一个处,设置有与流入口和流出口顺序连通的进气切断孔,以及在部分加力期间与狭缝连通的先导口。 由于在部分力供给期间燃料通过狭缝流出,因此在低速旋转期间的主喷射之前可以更容易地实现先导喷射,并且由于高压期间的收缩效应,燃料不太可能转移通过狭缝 速度旋转,从而仅进行主喷射。 结果,提供一种分配式燃料喷射泵,其在怠速范围和空载范围内实现先导喷射,并且在满载范围内抵消先导喷射。