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1. 发明专利

JP2012122426A Fuel injection valve 有权
标题翻译：燃油喷射阀
公开(公告)号：JP2012122426A
公开(公告)日：2012-06-28
申请号：JP2010274774
申请日：2010-12-09
申请人： Denso Corp , Nippon Soken Inc , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： ARIKAWA FUMIAKI , KATO TAKEHIKO , MOCHIZUKI KOICHI
IPC分类号： F02M47/00 , F02M51/06 , F02M61/10
摘要： PROBLEM TO BE SOLVED: To provide a fuel injection valve which combines improvement in the accuracy of valve opening/closing cycle with reduction in the cost of a circuit.SOLUTION: A housing 10 is cylindrical, and has a fuel passage 101. A nozzle part 20 is provided on one end of the housing 10. A fixed core 30 is provided on the opposite side to the nozzle part 20 in the housing 10. A needle 40 is housed in the housing 10 in a reciprocatable manner and has a driven piston part 43 which is expanded outwardly in the radial direction from the other end of a body 42 of the needle 40. A movable core 50 has a driving piston part 53 expanded outwardly in the radial direction from an end on the nozzle part 20 side. A cylinder 60 includes an intermediate oil chamber 643, a first oil chamber 641, a second oil chamber 642, and a communication passage 632 for communicating the first oil chamber 641 with the second oil chamber 642. The amount of lift of the needle 40 can be adjusted by adjusting the ratio of the area of a driven surface 431 to the area of a driving surface 531.
摘要翻译：要解决的问题：提供一种结合提高阀打开/关闭循环的精度并降低电路成本的燃料喷射阀。解决方案：壳体10是圆柱形的并且具有燃料通道101.喷嘴部分20设置在壳体10的一端上。固定芯30设置在壳体10的与喷嘴部分20相对的一侧针40以可往复运动的方式容纳在壳体10中，并且具有从针40的主体42的另一端沿径向向外膨胀的从动活塞部43。可动芯50具有驱动活塞部53从喷嘴部20侧的端部沿径向向外侧膨胀。气缸60包括中间油室643，第一油室641，第二油室642和用于使第一油室641与第二油室642连通的连通通道632.针40的升程量通过调整被驱动面431的面积与驱动面531的面积的比例进行调整。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2010019213A Fuel injection device 有权
标题翻译：燃油喷射装置
公开(公告)号：JP2010019213A
公开(公告)日：2010-01-28
申请号：JP2008182372
申请日：2008-07-14
申请人： Denso Corp , Nippon Soken Inc , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： SUZUKI TAKASHI , MOCHIZUKI KOICHI
IPC分类号： F02M47/00 , F02M51/00 , F02M51/06 , F02M61/10
CPC分类号： F02M51/0603 , F02M61/205 , F02M2200/31 , F02M2200/704
摘要： PROBLEM TO BE SOLVED: To provide a fuel injection device for controlling fuel injection in a stable operation response while maintaining the upward moving speed of a needle during valve opening operation. SOLUTION: The fuel injection device 1 for opening and closing a nozzle hole 21 with the needle 3 reciprocated in a nozzle body 2 comprises a pressure control part 7 for applying pressure to fuel in a pressure chamber 73 with a pressure piston 5 driven by a piezoelectric driver 91. The fuel changed into higher pressure in a pressure control chamber 71 communicating with the pressure chamber 73 energizes the needle 3 in the opening direction of the nozzle hole 21 withstanding the energizing force of a first energizing member 33 provided in a first back pressure chamber 72. In the pressure control part 7, a damper piston 81 is moved to the side of the first back pressure chamber 72 as pressure in a pressure chamber 70 including the pressure control chamber 71 and the pressure chamber 73 is raised, and the capacity of the pressure chamber 70 is increased together with the upward movement of the needle 3 and the damper piston 81 is moved to the side of the pressure chamber 73 during the drop of the pressure. Thus, a capacity change of the pressure chamber 70 is adjusted to reduce a pressure change. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决的问题：提供一种燃料喷射装置，用于在阀打开操作期间保持针的向上移动速度，在稳定的操作响应中控制燃料喷射。解决方案：用于打开和关闭喷嘴孔21的燃料喷射装置1，其中针3在喷嘴体2中往复运动，包括压力控制部分7，用于在压力室73中对燃料施加压力，压力活塞5被驱动通过压电驱动器91.在与压力室73连通的压力控制室71中的燃料变为更高的压力，在喷嘴孔21的打开方向上使针3向受力部分3通电，第一激励部件33的激励力第一背压室72.在压力控制部7中，随着包括压力控制室71和压力室73的压力室70的压力升高，阻尼器活塞81向第一背压室72侧移动，并且压力室70的容量随着针3的向上运动而增加，并且阻尼活塞81在压力室73的一侧移动到压力室73的侧面压力下降。因此，调节压力室70的容量变化以减小压力变化。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2008255869A Injector 有权
标题翻译：注射器
公开(公告)号：JP2008255869A
公开(公告)日：2008-10-23
申请号：JP2007098255
申请日：2007-04-04
申请人： Denso Corp , Nippon Soken Inc , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： MOCHIZUKI KOICHI , GOTO MORIYASU
IPC分类号： F02M47/00 , F02M47/02 , F02M51/00 , F02M51/06
CPC分类号： F02M51/0603 , F02M61/042 , F02M61/12 , F02M2200/704
摘要： PROBLEM TO BE SOLVED: To reduce manufacturing man-hours by reducing the finishing accuracy of a needle 2 and a member supporting the needle 2 in an injector 1 having a piston 6 moving forward and backward according to the expansion and contraction of an actuator 4 and a first shaft part 13 receiving fuel pressure increased and decreased by the movement of the piston 6 in a valve open direction arranged in series in an axial direction.
SOLUTION: In this injector 1, a first shaft part 13 is slidably supported by a first sleeve 7 loosely inserted in a first inner chamber 17, and a second shaft part 14 is freely slidably supported by a body 10. Consequently, the first and the second shaft parts 13, 14 are supported by mutually different members and relatively large clearance is formed at an outer circumference side of the first sleeve 7. Consequently, it is not necessary to accurately work the needle 2, the first sleeve 7 supporting the needle 2 and a vicinity of a second inner chamber 18 in the body 10.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：通过在具有活塞6向前和向后移动的喷射器1中降低针2和支撑针2的构件的精加工精度来减少制造工时，这取决于活塞6的膨胀和收缩致动器4和通过活塞6沿轴向串联排列的阀打开方向的运动而接收燃料压力的第一轴部13。解决方案：在该喷射器1中，第一轴部13由松动地插入第一内腔17中的第一套筒7可滑动地支撑，第二轴部14由主体10自由地可滑动地支撑。因此，第一轴部13和第二轴部14由相互不同的构件支撑，并且在第一套筒7的外周侧形成相对较大的间隙。因此，不需要精确地对针2进行加工，支撑针2和主体10中的第二内腔18的附近。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2004332657A Fuel injection valve 有权
公开(公告)号：JP2004332657A
公开(公告)日：2004-11-25
申请号：JP2003131407
申请日：2003-05-09
申请人： Denso Corp , Nippon Soken Inc , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： MOCHIZUKI KOICHI , OTA NOBUO , OKAMOTO ATSUYA , MIZOBUCHI TAKASHI , KATO TAKEHIKO
IPC分类号： F02M61/18 , F02M51/06
CPC分类号： Y02T10/125
摘要： PROBLEM TO BE SOLVED: To provide a fuel injection valve promoting further atomization and easily adjusting fuel spray. SOLUTION: Jet hole 60 includes a first hole part 61, a first hole part 62 and a second hole part 63. When the first hole part 61 and the second hole part 63 of the first hole part 62 are extended, each extended line crosses inside of the second hole part 63. Consequently, fuel flowing in the second hole part 63 from the first hole part 61 or the first hole part 62 impinges on fuel flowing out from the first hole part 62 or the first hole part 61 when the same flows in the second hole part 63. Turbulence of fuel flow occurs thereby. Impinged fuel is guided to the second hole part 63 and is injected. Injection direction and unnecessary scatter of fuel can be prevented thereby. Consequently, further atomization of fuel is promoted by turbulence of flow and shape and injection position of fuel spray can be simply adjusted. COPYRIGHT: (C)2005,JPO&NCIPI

5. 发明专利

JP2009250074A Fuel injection valve 有权
标题翻译：燃油喷射阀
公开(公告)号：JP2009250074A
公开(公告)日：2009-10-29
申请号：JP2008096467
申请日：2008-04-02
申请人： Denso Corp , Nippon Soken Inc , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： NISHIWAKI TOYOJI , MOCHIZUKI KOICHI
IPC分类号： F02M61/16 , F02M47/00 , F02M51/00 , F02M51/06
摘要： PROBLEM TO BE SOLVED: To provide a fuel injection valve for making both compatible in restraining fuel leakage and guaranteeing a sliding characteristic.
SOLUTION: This fuel injection valve has a piston 10 for increasing-decreasing pressure in a pressure control chamber 35 by transmitting displacement of an actuator, and a housing 2 for storing the piston and a shaft end part 50d on the anti-nozzle port 25 side of at least a valve member 50. The piston 10 is slidably supported by the inner peripheries 21 and 22 of the housing. Among both end parts 11 in the axial direction of the piston, one end part in the axial direction is formed of the inner periphery of the housing, and is provided with a first fuel chamber 32 communicating with a pressure control chamber 35. The other end part in the axial direction cooperates with the actuator, and is provided with a second fuel chamber 31 formed of the inner periphery of the housing. At least a specific end part in the axial direction has a groove part 13a formed in a plurality of places in the peripheral direction of a sliding end part 12 in the sliding end part 12 sliding in a sliding hole 21c and communicating with a specific fuel chamber by extending in the inclining direction by inclining in the axial direction. The adjacent groove part 13a is arranged at an interval in the axial direction, and overlaps in the peripheral direction.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于兼顾抑制燃料泄漏和保证滑动特性的燃料喷射阀。解决方案：该燃料喷射阀具有活塞10，用于通过传递致动器的位移来增加压力控制室35中的压力，并且将用于存储活塞的壳体2和防止喷嘴的轴端部50d 至少阀构件50的端口25侧。活塞10由壳体的内周21和22可滑动地支撑。在活塞的轴向两端部11中，沿轴向的一端部由壳体的内周形成，并且设置有与压力控制室35连通的第一燃料室32.另一端在轴向方向上的一部分与致动器配合，并且设置有由壳体的内周形成的第二燃料室31。至少在轴向的特定端部具有在滑动端部12的滑动端部12的周向的多个位置形成的槽部13a，滑动端部12在滑动孔21c中滑动并与特定的燃料室通过沿轴向倾斜而沿倾斜方向延伸。相邻的槽部13a沿轴向间隔设置，并且在周向上重叠。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009293512A Fuel injection valve 有权
标题翻译：燃油喷射阀
公开(公告)号：JP2009293512A
公开(公告)日：2009-12-17
申请号：JP2008147811
申请日：2008-06-05
申请人： Denso Corp , Nippon Soken Inc , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： KATO TAKEHIKO , NISHIWAKI TOYOJI , MOCHIZUKI KOICHI , GOTO MORIYASU
IPC分类号： F02M61/12 , F02M47/00 , F02M61/10 , F02M61/16
CPC分类号： F02M61/20 , F02M47/025
摘要： PROBLEM TO BE SOLVED: To easily provide a fuel injection valve that is slidable while ensuring gas-tightness of sliding portions, and further has a good sealing performance during valve closing.
SOLUTION: A needle 2 that reciprocates based on a pressure difference between a first pressure chamber 51 and a second pressure chamber 52 is divided into a piston member 21 for gas-tightly separating the first pressure chamber 51 and the second pressure chamber 52 from each other by being slidably inserted into a nozzle body 1, and a seating member 22 where a seat portion 223 is formed. Further, the piston member 21 and the seat member 22 are biased by spring members 61, 62 in an orientation that they come into close contact with each other. Since the needle 2 is divided into the piston member 21 and the seat member 22, the piston member 21 is positioned following a first guide hole 111 and a second guide hole 112. The seat member 22 is positioned following a valve seat 122.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了容易地提供能够在确保滑动部的气密性的同时可滑动的燃料喷射阀，并且在关阀时还具有良好的密封性能。解决方案：将基于第一压力室51和第二压力室52之间的压力差往复运动的针2分成用于气密地分离第一压力室51和第二压力室52的活塞构件21 通过可滑动地插入到喷嘴体1中，并且形成座部223的座部构件22。此外，活塞构件21和座椅构件22以它们彼此紧密接触的方向被弹簧构件61,62偏压。由于针2被分成活塞构件21和座椅构件22，所以活塞构件21位于第一导向孔111和第二导向孔112之后。座构件22位于阀座122之后。
版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009228623A Pressure regulating check valve and fuel injection device provided with same 有权
标题翻译：压力调节阀和燃油喷射装置
公开(公告)号：JP2009228623A
公开(公告)日：2009-10-08
申请号：JP2008077424
申请日：2008-03-25
申请人： Denso Corp , Nippon Soken Inc , 株式会社デンソー , 株式会社日本自動車部品総合研究所
发明人： SUZUKI TAKASHI , MOCHIZUKI KOICHI
IPC分类号： F02M47/00 , F02M51/06 , F02M55/02
CPC分类号： F02M51/0603 , F02M63/0054 , Y10T137/7835
摘要： PROBLEM TO BE SOLVED: To provide a pressure regulating check valve of a new structure and a fuel injection device of high injection accuracy preventing incorrect injection due to pressure reduction immediately after injection and incorrect injection due to pulsation in a high pressure pipe by using the pressure regulating check valve. SOLUTION: In a fuel injection valve as a pressure apparatus including a back pressure chamber 101 as a first channel and a pressurizing chamber 102 as a second channel, the pressure regulating valve 1 opening and closing a communication passage providing communication between the back pressure chamber 101 and the pressurizing chamber 102 at prescribed pressure is composed of a valve base body 10, a valve element 20, and a spring member 24. The pressure regulating check valve 1 is provided with a first communication hole 11 opening to the back pressure chamber 101 and making pressure P 1 in the back pressure chamber 101 act in valve open direction of the valve element 20, a second communication hole 12 opening to the pressurizing chamber 102 and making pressure P 2 in the pressurizing chamber 102 act in valve close direction of the valve element 20, and a valve seat part 13 opening and closing the first communication hole 11 by seated on and separated from a seat part 21 formed on the valve element 20. The spring member 24 is installed between the valve element 20 and the valve seat part 13 and acts in a valve open direction of the valve element 20. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种新结构的压力调节止回阀和高注射精度的燃料喷射装置，防止由于高压管道中的脉动引起的注射之后的压力降低和由于高压管道中的脉动引起的不正确的注入而引起的不正确的注入使用压力调节止回阀。解决方案：在作为压力装置的燃料喷射阀中，包括作为第一通道的背压室101和作为第二通道的加压室102，压力调节阀1打开和关闭连接通道，压力室101和加压室102在规定的压力下由阀基体10，阀元件20和弹簧构件24构成。压力调节止回阀1设置有开口至背压的第一连通孔11 腔室101中，背压室101中的压力P 1 在阀元件20的阀打开方向上作用，向加压室102开口并且施加压力P 2的第二连通孔12 加压室102中的作用在阀元件20的阀关闭方向上，以及阀座部13，其通过坐在座部2上并与座部2分离而开闭第一连通孔11 弹簧构件24安装在阀元件20和阀座部件13之间，并且作用在阀元件20的阀打开方向上。（C）2010，JPO＆INPIT

8. 发明专利

JP2011149417A Air blast injector 有权
标题翻译： AIR BLAST INJECTOR
公开(公告)号：JP2011149417A
公开(公告)日：2011-08-04
申请号：JP2010234572
申请日：2010-10-19
申请人： Denso Corp , 株式会社デンソー
发明人： MOCHIZUKI KOICHI , MIZOBUCHI TAKASHI , OHATA KEIGO
IPC分类号： F02M67/12 , F02M51/06 , F02M61/10
摘要： PROBLEM TO BE SOLVED: To provide an air blast injector which actualizes fine-particle-size atomization from the beginning of the injection of a second injector without impairing the responsiveness of the second injector. SOLUTION: An air passage in a second movable core 11 is eliminated, and liquid fuel and pressure air are supplied from the upper end of a center hole 12 of a second needle 9. The pressure air guided to the lower side of the second movable core 11 is separated into outer periphery side pressure air which flows through a horizontal hole 17 to the downward direction of an outer periphery passage 15 and center side pressure air which flows to the downward direction of the center hole 12. When a second injection hole 7 is opened, the outer periphery side pressure air flows through a venturi part 18 while a pilot hole 20 sucks the liquid fuel out of the center hole 12 and the center side pressure air pushes the fuel from the center hole 12 via the pilot hole 20 to the venturi part 18. The liquid fuel guided from the pilot hole 20 to the venturi part 18 is instantly mixed with the outer periphery side pressure air flowing through the venturi part 18 to actualize fine-particle-size atomization from the beginning of injection. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种喷气喷射器，其从第二喷射器的喷射开始就实现细粒度雾化，而不损害第二喷射器的响应性。解决方案：消除第二可动铁芯11中的空气通道，并从第二针9的中心孔12的上端供应液体燃料和压力空气。压力空气被引导到第二可动铁芯11的下侧第二可动铁芯11被分离成外周侧的压缩空气，其流过水平孔17向外周通道15的向下方向流动，并且中心侧的压力空气向中心孔12的向下方向流动。当第二次注入打开孔7，外周侧的压力空气流过文氏管部分18，同时先导孔20将液体燃料从中心孔12吸出，中心侧的压力空气经由引导孔从中心孔12推动燃料从导向孔20向文丘里管部分18引导的液体燃料与流过文丘里管部分18的外周侧压力空气立即混合，以实现细粒子雾化器离子从注射开始。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2011102537A Injector 审中-公开
标题翻译：注射器
公开(公告)号：JP2011102537A
公开(公告)日：2011-05-26
申请号：JP2009256621
申请日：2009-11-10
申请人： Denso Corp , 株式会社デンソー
发明人： OHATA KEIGO , MOCHIZUKI KOICHI
IPC分类号： F02M61/20 , F02M51/06 , F02M61/16
摘要： PROBLEM TO BE SOLVED: To provide an injector inexpensively varying spring force without rapidly changing injection rate and spray during movement of a needle valve 3. SOLUTION: A spring load regulating member 30 is mounted with a magnet 42 at a position axially opposed to a fixed core 28 and, in the magnet 42, the direction of magnetic poles is set to magnetically repel the fixed core 28 at the beginning of energization to a solenoid coil 27. By beginning energization to the solenoid coil 27, the magnet 42 is caused to magnetically repel the fixed core 28 to axially move the spring load regulating member 30 from the fixed core 28, and by stopping the energization to the solenoid coil 27, the magnet 42 is magnetically attracted to the fixed core 28 to axially move the spring load regulating member 30 toward the fixed core 28. Thereby, spring force can be inexpensively varied without causing rapid variation of the injection rate and spray during movement of the needle valve 3. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了在针阀3的移动期间提供不经快速变化的喷射速率和喷雾的廉价弹簧力。解决方案：弹簧负载调节构件30安装有磁体42，位于与固定铁芯28轴向相对的位置，并且在磁体42中磁极的方向被设定为在通电开始时对固定铁芯28磁性排斥到螺线管线圈27.通过开始向螺线管线圈27通电，使磁体42磁性地排斥固定芯28，以使弹簧负载调节构件30从固定芯28轴向移动，并且通过停止对螺线管线圈27的通电，磁体42被磁性吸引到固定芯28轴向将弹簧负载调节构件30朝向固定芯28移动。由此，可以廉价地改变弹簧力，而不会在针阀3移动期间引起喷射速率和喷雾的快速变化.C OPYRIGHT：（C）2011，JPO＆INPIT

10. 发明专利

JP2010138771A Fuel injection device 有权
标题翻译：燃油喷射装置
公开(公告)号：JP2010138771A
公开(公告)日：2010-06-24
申请号：JP2008315022
申请日：2008-12-10
申请人： Denso Corp , 株式会社デンソー
发明人： NAGATOMO HIROAKI , MOCHIZUKI KOICHI
IPC分类号： F02M51/06 , F02M51/00
摘要： PROBLEM TO BE SOLVED: To provide a fuel injection device simultaneously achieving an aligning function and secured durability of a sealed part. SOLUTION: A fuel injection valve 1 includes a stack housing 10 formed inside a housing body 2 to support an actuator 5 and having a flange part projected outward in the radial direction, and a lid member 4 blocking the inside of the housing body 2 from the outside and having a flange part 42. An inwardly projected part 22 is disposed between the flange part 42 fastened to the stack housing 10 and the flange parts 102 of the stack housing. A surface part where the flange part 42 of the lid member and the inwardly projected part 22 of the housing body 2 contact with each other is constituted of a combination of a spherical part and an inclined part formed in cross sections parallel in the housing axial direction. A surface part where inwardly-projected part 22 of the housing body 2 and the flange part 102 of the stack housing contact with each other is constituted by a surface contact of flat plane parts in cross sections parallel in the housing axial direction. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供同时实现密封部件的对准功能和固定耐久性的燃料喷射装置。解决方案：燃料喷射阀1包括形成在壳体2内部以支撑致动器5并且具有沿径向向外突出的凸缘部分的堆叠壳体10和封闭壳体内部的盖构件4 外部具有凸缘部分42.向内突出的部分22设置在紧固到堆叠壳体10的凸缘部分42和堆叠壳体的凸缘部分102之间。盖构件的凸缘部42和壳体2的向内突出部22彼此接触的表面部分由在壳体轴向方向上平行的横截面形成的球形部分和倾斜部分的组合构成。壳体2的向内突出的部分22和堆叠壳体的凸缘部分102彼此接触的表面部分由平面部分在壳体轴向方向上平行的横截面的表面接触构成。版权所有（C）2010，JPO＆INPIT

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