公开(公告)号：US07318418B2

公开(公告)日：2008-01-15

申请号：US11342031

申请日：2006-01-27

申请人： Shoichiro Usui ,  Masayoshi Usui ,  Yasuji Sakamoto ,  Eiji Watanabe ,  Yasuaki Hashimoto

发明人： Shoichiro Usui ,  Masayoshi Usui ,  Yasuji Sakamoto ,  Eiji Watanabe ,  Yasuaki Hashimoto

IPC分类号： F02M55/02 ,  F02M55/00

CPC分类号： F02M55/025 ,  F02M55/005 ,  F02M2200/8084

摘要： A common rail a diesel engine includes a branching connection body firmly fixed on common rail body by friction welding. A fronting face of the branching connection body to be fixed on the common rail body by friction welding is in the shape of a cone whose center part is slightly projected and whose peripheral part is a gentle cone face.

摘要翻译： 共轨柴油发动机包括通过摩擦焊接牢固地固定在共轨主体上的分支连接体。 通过摩擦焊接固定在共轨主体上的分支连接体的前面呈圆锥形，其中心部分略微突出，其周边部分是平缓的锥面。

公开(公告)号：US20060169253A1

公开(公告)日：2006-08-03

申请号：US11342031

申请日：2006-01-27

申请人： Shoichiro Usui ,  Masayoshi Usui ,  Yasuji Sakamoto ,  Eiji Watanabe ,  Yasuaki Hashimoto

发明人： Shoichiro Usui ,  Masayoshi Usui ,  Yasuji Sakamoto ,  Eiji Watanabe ,  Yasuaki Hashimoto

IPC分类号： F02M69/46

CPC分类号： F02M55/025 ,  F02M55/005 ,  F02M2200/8084

摘要： A common rail a diesel engine includes a branching connection body firmly fixed on common rail body by friction welding. A fronting face of the branching connection body to be fixed on the common rail body by friction welding is in the shape of a cone whose center part is slightly projected and whose peripheral part is a gentle cone face.

摘要翻译： 共轨柴油发动机包括通过摩擦焊接牢固地固定在共轨主体上的分支连接体。 通过摩擦焊接固定在共轨主体上的分支连接体的前面呈圆锥形，其中心部分略微突出，其周边部分是平缓的锥面。

公开(公告)号：US07188609B2

公开(公告)日：2007-03-13

申请号：US11194485

申请日：2005-08-02

申请人： Eiji Watanabe ,  Koichi Hayashi ,  Shoichiro Usui

发明人： Eiji Watanabe ,  Koichi Hayashi ,  Shoichiro Usui

IPC分类号： F02M69/46 ,  F02M69/50

CPC分类号： F02M69/462 ,  F02M55/025 ,  F02M55/04 ,  F02M69/465

摘要： An inlet port 16 communicating with the interior of a fuel delivery pipe body 10 to introduce fuel is made open in a center of a tubular joint 11 having a smaller diameter than an inside diameter of a holder portion 15 of an injector 32 connected to a respective pipe end portion 25, and a length from a center of this inlet port 16 to the pipe end portion 25 is set to 30 to 1000 mm, to thereby form the tubular joint 11. The tubular joint 11 and the fuel delivery pipe body 10 are fixed such that the inlet port 16 of this tubular joint 11 is communicatable with the interior of the fuel delivery pipe body 10.

摘要翻译： 与燃料输送管体10的内部连通以引入燃料的入口端口16在具有比连接到相应的喷射器32的保持器部分15的内径小的管状接头11的中心处打开 管端部25，从该入口16的中心到管端部25的长度设定为30〜1000mm，形成管状接头11.管状接头11和燃料输送管体10为 固定，使得该管状接头11的入口16可与燃料输送管体10的内部连通。

公开(公告)号：US20060027214A1

公开(公告)日：2006-02-09

申请号：US11194485

申请日：2005-08-02

申请人： Eiji Watanabe ,  Koichi Hayashi ,  Shoichiro Usui

发明人： Eiji Watanabe ,  Koichi Hayashi ,  Shoichiro Usui

IPC分类号： F02M55/02

CPC分类号： F02M69/462 ,  F02M55/025 ,  F02M55/04 ,  F02M69/465

摘要： An inlet port 16 communicating with the interior of a fuel delivery pipe body 10 to introduce fuel is made open in a center of a tubular joint 11 having a smaller diameter than an inside diameter of a holder portion 15 of an injector 32 connected to a respective pipe end portion 25, and a length from a center of this inlet port 16 to the pipe end portion 25 is set to 30 to 1000 mm, to thereby form the tubular joint 11. The tubular joint 11 and the fuel delivery pipe body 10 are fixed such that the inlet port 16 of this tubular joint 11 is communicatable with the interior of the fuel delivery pipe body 10.

摘要翻译： 与燃料输送管体10的内部连通以引入燃料的入口端口16在具有比连接到相应的喷射器32的保持器部分15的内径小的管状接头11的中心处打开 管端部25，从该入口16的中心到管端部25的长度设定为30〜1000mm，形成管状接头11.管状接头11和燃料输送管体10为 固定，使得该管状接头11的入口16可与燃料输送管体10的内部连通。

公开(公告)号：US06263862B1

公开(公告)日：2001-07-24

申请号：US09114598

申请日：1998-07-13

申请人： Kikuo Asada ,  Masayoshi Usui ,  Eiji Watanabe ,  Kazunori Takikawa ,  Ryuichi Kusanagi

发明人： Kikuo Asada ,  Masayoshi Usui ,  Eiji Watanabe ,  Kazunori Takikawa ,  Ryuichi Kusanagi

IPC分类号： F02M3704

CPC分类号： F16L41/14 ,  B21C37/292

摘要： There is provided a common rail which can effectively restrict a generation of a tensile stress in a lower end inner peripheral edge portion of a branch hole by canceling by means of a compression residual stress and can improve an internal pressure fatigue strength in a branch pipe connecting portion, so that a secure and stable function can be obtained by having an excellent durability and preventing a fluid leakage due to a generation of the crack generation and a method of manufacturing a common rail in which a pressure application process is only added to a normal manufacturing process, no complex equipment is required, and a common rail having a high quality can be manufactured by a low cost without generating problems that an equipment cost is increased by an increase of the process and a productivity is reduced. In a method of manufacturing a common rail structured such that a branch hole communicating with an communication passage of a block rail and having a pressure receiving seat surface open to an outer portion is provided in at least one connecting hole portion provided in a peripheral wall portion in an axial direction of the block rail having the communication passage in a longitudinal inner portion, a pressing seat surface constituted by a connecting head portion provided in an end portion of a branch having a flow passage communicating with the communication passage is brought into contact with and engaged with the pressure receiving seat surface, and the connecting hole portion and a fastening nut previously assembled in the branch pipe are meshed with each other so as to fasten and connect together with pressing under a neck of the connecting head portion, a pressing force is applied to an axial direction of the connecting hole portion from an outer portion by a press method so as to generate a compression residual stress in the periphery of an open end portion of the communication passage of the block rail of the branch hole.

公开(公告)号：US07721714B2

公开(公告)日：2010-05-25

申请号：US11703952

申请日：2007-02-08

申请人： Masayoshi Usui ,  Eiji Watanabe ,  Hikari Tsuchiya ,  Yoshiyuki Serizawa ,  Kazuteru Mizuno ,  Koichi Hayashi ,  Tetsuo Ogata

发明人： Masayoshi Usui ,  Eiji Watanabe ,  Hikari Tsuchiya ,  Yoshiyuki Serizawa ,  Kazuteru Mizuno ,  Koichi Hayashi ,  Tetsuo Ogata

IPC分类号： F02M59/46

CPC分类号： F02M69/465 ,  F02M55/025 ,  F02M2200/315

摘要： A fuel delivery pipe capable of reducing a pressure pulsation at the time of a fuel injection due to injection nozzles, preventing vibrations and noises at an underfloor pipe arrangement, and turning down a radiate sound from the fuel delivery pipe, wherein a flexible absorbing wall surface 10 formed on a wall surface of a fuel delivery body 1 is loosened due to internal pressure changes to render internal volume of the fuel delivery body 1 increasable, αL/√{square root over ( )}V determined by sonic speed αL of fuel flowing through the fuel delivery body 1 and the internal volume V of the fuel delivery body 1 is set as 20×103(m−0.5·sec−1)≦αL/√{square root over ( )}V≦85×103(m−0.5·sec−1) while a ratio αL/αH of equivalent sonic speed αH in a high frequency area to the sonic speed αL of the fuel is set as αL/αH≦0.7, and the cross section shape in a perpendicular direction to an axis of the fuel delivery body 1 is formed in a substantially double side concaved shape, a substantially flask shape, a substantially trapezoid shape, a substantially key shape, and a substantially goggles shape.

摘要翻译： 一种燃料输送管，其能够降低由于喷射喷嘴引起的燃料喷射时的压力脉动，防止了地板下的管道装置的振动和噪声，并且降低了来自燃料输送管的辐射声，其中柔性吸收壁表面 在燃料输送体1的壁面上形成的燃料流10由于内部压力变化而松动，使得燃料输送体1的内部体积增加，αL/√{平方根超过（）} V由燃料流的声速αL确定 通过燃料输送体1和燃料输送体1的内部容积V被设定为20×103（m-0.5·sec-1）＆nlE;αL/√{平方根超过（）} V＆nlE; 85×103（ m-0.5·sec-1），而高频区域中的等效声速αH与燃料的声速αL的比αL/αH被设定为αL/αH＆nlE; 0.7，垂直方向的截面形状 燃料输送体1的轴线形成在基本上为双面的c侧 基本上为梯形，基本上为键形，基本上为护目镜形状。

公开(公告)号：US06397881B1

公开(公告)日：2002-06-04

申请号：US09033681

申请日：1998-03-03

申请人： Kikuo Asada ,  Masayoshi Usui ,  Eiji Watanabe ,  Kazunori Takikawa ,  Ryuichi Kusanagi

发明人： Kikuo Asada ,  Masayoshi Usui ,  Eiji Watanabe ,  Kazunori Takikawa ,  Ryuichi Kusanagi

IPC分类号： F16K4300

CPC分类号： B21C37/29 ,  F02M55/005 ,  F02M55/025 ,  Y10T137/6123

摘要： A member for a high pressure fluid or a member for a high pressure fluid with a built-in slider having higher quality which can be provided at a low price, and by which the generation of tensile stress in the lower end inner peripheral edge part of a branch hole can be canceled by compressive residual stress to be effectively restrained, the internal pressure fatigue strength in the branch hole part can be improved to be excellent in durability, prevent a fluid leakage due to the occurrence of cracks and then exhibit a sure and stable function, further only the addition of the pressing force applying process to the ordinary manufacturing process will be sufficient, and complicated equipment is not required to hardly cause the problems of an increase in the equipment cost due to an increase in the number of processes and lowering of productivity. The method of forming a branch hole communicating with a hollow part in a member for a high pressure fluid having the hollow part, which is characterized in that before or after, or simultaneously with a process of pressing inward the member for a high pressure fluid from the outside to form a part where compressive stress remains on the hollow part side inner peripheral surface, a process of boring a branch hole opened to the hollow part is executed to make the compressive residual stress exist in the peripheral edge of the branch hole, and a branch hole part of a member for a high pressure fluid formed by the described method.

摘要翻译： 用于高压流体的构件或具有可以以低价格提供的具有较高质量的内置滑块的高压流体的构件，并且通过该构件在下端内周边缘部分中产生拉伸应力 可以通过压缩残余应力来消除分支孔，以有效地抑制，能够提高分支孔部的内部压力疲劳强度，从而具有优异的耐久性，防止由于裂纹的发生而导致的流体泄漏， 稳定的功能，只要在普通制造工序中增加按压力就足够了，而且复杂的设备不需要几乎不会由于加工次数的增加而造成设备成本上升的问题， 降低生产率。在具有中空部分的高压流体的构件中形成与中空部分连通的分支孔的方法，其是cha 其特征在于，在其前后，或者同时具有从外部向内压入高压流体的构件的过程，以形成在中空部件侧内周面上残留有压应力的部分，打开分支孔的工序 执行到中空部分以使分支孔的周边边缘存在压缩残余应力，以及通过所述方法形成的用于高压流体的部件的分支孔部分。

公开(公告)号：US07185636B2

公开(公告)日：2007-03-06

申请号：US10523651

申请日：2003-10-08

申请人： Masayoshi Usui ,  Eiji Watanabe ,  Hikari Tsuchiya ,  Yoshiyuki Serizawa ,  Kazuteru Mizuno ,  Koichi Hayashi ,  Tetsuo Ogata

发明人： Masayoshi Usui ,  Eiji Watanabe ,  Hikari Tsuchiya ,  Yoshiyuki Serizawa ,  Kazuteru Mizuno ,  Koichi Hayashi ,  Tetsuo Ogata

IPC分类号： F02M37/04

CPC分类号： F02M69/465 ,  F02M55/025 ,  F02M2200/315

摘要： A fuel delivery pipe capable of reducing a pressure pulsation at the time of a fuel injection due to injection nozzles, preventing vibrations and noises at an underfloor pipe arrangement, and turning down a radiate sound from the fuel delivery pipe, wherein a flexible absorbing wall surface 10 formed on a wall surface of a fuel delivery body 1 is loosened due to internal pressure changes to render internal volume of the fuel delivery body 1 increasable, αL/√{square root over ( )}V determined by sonic speed αL of fuel flowing through the fuel delivery body 1 and the internal volume V of the fuel delivery body 1 is set as 20×103(m−0.5·sec−1)≦αL/√{square root over ( )}V≦85×103(m−0.5·sec−) while a ratio αL/αH of equivalent sonic speed αH in a high frequency area to the sonic speed αL of the fuel is set as αL/αH≦0.7, and the cross section shape in a perpendicular direction to an axis of the fuel delivery body 1 is formed in a substantially double side concaved shape, a substantially flask shape, a substantially trapezoid shape, a substantially key shape, and a substantially goggles shape.

摘要翻译： 一种燃料输送管，其能够降低由于喷射喷嘴引起的燃料喷射时的压力脉动，防止了地板下的管道装置的振动和噪声，并且降低了来自燃料输送管的辐射声，其中柔性吸收壁表面 形成在燃料输送体1的壁面上的燃料喷射器10由于内部压力变化而松动，从而使得燃料输送体1的内部体积可以增加，α（L） 流经燃料输送体1的燃料的声速αL L和燃料输送体1的内部体积V被设定为20×10 3（m≤0.5） .sec ^{-1 ）<=αLL / / {平方根（V <= 85×10 3）（m < > -0.5 .sec - ），而等效声速αH的比值αL / / SUB>在燃料的声速αL 的高频区域中被设置为αL}

公开(公告)号：US20070169754A1

公开(公告)日：2007-07-26

申请号：US11703952

申请日：2007-02-08

申请人： Masayoshi Usui ,  Eiji Watanabe ,  Hikari Tsuchiya ,  Yoshiyuki Serizawa ,  Kazuteru Mizuno ,  Koichi Hayashi ,  Tetsuo Ogata

发明人： Masayoshi Usui ,  Eiji Watanabe ,  Hikari Tsuchiya ,  Yoshiyuki Serizawa ,  Kazuteru Mizuno ,  Koichi Hayashi ,  Tetsuo Ogata

IPC分类号： F02M55/02

CPC分类号： F02M69/465 ,  F02M55/025 ,  F02M2200/315

摘要： A fuel delivery pipe capable of reducing a pressure pulsation at the time of a fuel injection due to injection nozzles, preventing vibrations and noises at an underfloor pipe arrangement, and turning down a radiate sound from the fuel delivery pipe, wherein a flexible absorbing wall surface 10 formed on a wall surface of a fuel delivery body 1 is loosened due to internal pressure changes to render internal volume of the fuel delivery body 1 increasable, αL/√{square root over ( )} V determined by sonic speed αL of fuel flowing through the fuel delivery body 1 and the internal volume V of the fuel delivery body 1 is set as 20×103 (m−0.5·sec−1)≦αL/√{square root over ( )} V≦85×103(m−0.5·sec−1) while a ratio αL/αH of equivalent sonic speed αH in a high frequency area to the sonic speed αL of the fuel is set as αL/αH≦0.7, and the cross section shape in a perpendicular direction to an axis of the fuel delivery body 1 is formed in a substantially double side concaved shape, a substantially flask shape, a substantially trapezoid shape, a substantially key shape, and a substantially goggles shape.

摘要翻译： 一种燃料输送管，其能够降低由于喷射喷嘴引起的燃料喷射时的压力脉动，防止了地板下的管道装置的振动和噪声，并且降低了来自燃料输送管的辐射声，其中柔性吸收壁表面 形成在燃料输送体1的壁面上的燃料喷射器10由于内部压力变化而松动，从而使得燃料输送体1的内部体积可以增加，α（L） 流经燃料输送体1的燃料的声速αL L和燃料输送体1的内部体积V被设定为20×10 3（m≤0.5） .sec ^{-1 ）<=αLL / / {平方根（V <= 85×10 3）（m < > -0.5 .sec -1），而等效声速αH的比率αL/ 在高频区域中的燃料的声速αLL 被设置为α< / SUB>/alpha_H<=0.7，并且沿与燃料输送主体1的轴线垂直的方向的横截面形状形成为大致双边凹形，大致为烧瓶形状， 基本上梯形，基本上是钥匙形状和大致护目镜形状。}

公开(公告)号：US20050257774A1

公开(公告)日：2005-11-24

申请号：US10523651

申请日：2003-10-08

申请人： Masayoshi Usui ,  Eiji Watanabe ,  Hikari Tsuchiya ,  Yoshiyuki Serizawa ,  Kazuteru Mizuno ,  Koichi Hayashi ,  Tetsuo Ogata

发明人： Masayoshi Usui ,  Eiji Watanabe ,  Hikari Tsuchiya ,  Yoshiyuki Serizawa ,  Kazuteru Mizuno ,  Koichi Hayashi ,  Tetsuo Ogata

IPC分类号： F02M55/02 ,  F02M63/00 ,  F02M1/00

CPC分类号： F02M69/465 ,  F02M55/025 ,  F02M2200/315

摘要： A fuel delivery pipe capable of reducing a pressure pulsation at the time of a fuel injection due to injection nozzles, preventing vibrations and noises at an underfloor pipe arrangement, and turning down a radiate sound from the fuel delivery pipe, wherein a flexible absorbing wall surface 10 formed on a wall surface of a fuel delivery body 1 is loosened due to internal pressure changes to render internal volume of the fuel delivery body 1 increasable, αL/{square root}{square root over ( )}V determined by sonic speed αL of fuel flowing through the fuel delivery body 1 and the internal volume V of the fuel delivery body 1 is set as 20×103(m−0.5·sec−1)≦αL/{square root}{square root over ( )}V≦85×103(m−0.5·sec−1) while a ratio αL/αH of equivalent sonic speed αH in a high frequency area to the sonic speed αL of the fuel is set as αL/αH≦0.7, and the cross section shape in a perpendicular direction to an axis of the fuel delivery body 1 is formed in a substantially double side concaved shape, a substantially flask shape, a substantially trapezoid shape, a substantially key shape, and a substantially goggles shape.

摘要翻译： 一种燃料输送管，其能够降低由于喷射喷嘴引起的燃料喷射时的压力脉动，防止了地板下的管道装置的振动和噪声，并且降低了来自燃料输送管的辐射声，其中柔性吸收壁表面 在燃料输送体1的壁面上形成的气体10由于内部压力变化而松动，使得燃料输送体1的内部体积可以增加，α/ L /平方根（平方根） 通过燃料输送主体1的燃料和燃料输送体1的内部体积V的声速αL L确定的V被设定为20×10 3（m < > -0.5 .sec -1 <=αL/ {平方根} {平方根（V <= 85×10 3） SUP>（m <-0.5 S ^{-1），而等效声音的比值αL/ 在高频区域中的速度α SUB与燃料的声速αL 是 t，并且与燃料输送体1的轴线垂直的方向的截面形状形成为大致双面 基本上为梯形，大致按键形状，大致护目镜形状。}