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    • 1. 发明专利
    • 燃料噴射弁
    • 燃油喷射阀
    • JP2015045239A
    • 2015-03-12
    • JP2013175817
    • 2013-08-27
    • 株式会社日本自動車部品総合研究所Nippon Soken Inc株式会社デンソーDenso Corp
    • NONOYAMA YOSHIHARUNAGATOMO HIROAKI
    • F02M61/10F02M47/00F02M51/06F02M51/08F02M61/18
    • F02M47/027F02M51/0685F02M61/042F02M61/1886F02M61/1893F02M63/0017F02M63/0029F02M2200/46
    • 【課題】電気アクチュエータに要求される力を小さくすることと、供給燃圧が小さい場合であっても燃料噴射を可能にすることとの両立を図る。【解決手段】燃料噴射弁は、ボデー10、メイン弁体50、サブ弁体41、電気アクチュエータ20、30、40および開弁力伝達機構41b、51を備える。ボデー10の内部には、噴孔10aへ燃料を流通させるメイン通路31a、11、12、13、およびメイン通路から分岐して噴孔10aへ燃料を流通させるサブ通路45、44、43、50aが設けられている。メイン弁体50はメイン通路を開閉し、サブ弁体41はサブ通路を開閉する。電気アクチュエータはサブ弁体41に開弁力を付与する。開弁力伝達機構は、サブ弁体41の開弁ストロークが所定量以上であることを条件として、サブ弁体41の開弁力をメイン弁体50に伝達してメイン弁体50を開弁させる。【選択図】図1
    • 要解决的问题:即使当供给燃料压力小时,即使在供给燃料压力小的情况下,也能够兼顾电动执行器所需的减少力并执行燃料喷射。解决方案:燃料喷射阀包括主体10,主阀元件50,副阀 元件41,电动执行器20,30,40以及开阀力传递机构41b和51.用于允许燃料流入喷射孔10a的主通道31a,11,12和13,以及副通道45,44,43和 在主体10的内部设置有从主通路分支以便允许燃料流到喷射孔10a的50a。主阀元件50打开和关闭主通道,并且副阀元件41打开和关闭 子通道。 电动执行器向次阀元件41施加开阀力。阀打开力传递机构将副阀元件41的开阀力传递到主阀元件50,并且在主阀元件50的阀 副阀元件41的开度行程等于或大于规定量。
    • 2. 发明专利
    • Injector
    • 注射器
    • JP2011106401A
    • 2011-06-02
    • JP2009264212
    • 2009-11-19
    • Denso Corp株式会社デンソー
    • NAGATOMO HIROAKIIMAI KEITA
    • F02M51/06
    • PROBLEM TO BE SOLVED: To enhance a valve opening force of an injector 1 without increasing energy consumption or enlarging a frame. SOLUTION: The injector 1 includes a first movable core 20, a first fixed core 21, a second movable core 22, and a second fixed core 23. The magnetic flux is indirectly transferred between the first fixed core 21 and the second movable core 22 via a pipe 25 in the radial direction. Accordingly, the first movable core 20 is attracted toward the first fixed core 21 backward in the axial direction. The second movable core 22 is attracted toward the second fixed core 23 only backward in the axial direction without being attracted toward the first fixed core 21 forward in the axial direction. Thus, the valve opening force of the injector 1 can be enhanced. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了增加喷射器1的打开力而不增加能量消耗或增加框架。 解决方案:喷射器1包括第一可动铁芯20,第一固定铁芯21,第二可动铁芯22和第二固定铁芯23.磁通量间接地转移在第一固定铁心21和第二可动铁芯21之间。 芯22经由管25沿径向方向。 因此,第一可动铁芯20沿着轴向向后朝向第一固定铁芯21吸引。 第二可动芯22仅沿着轴向向后朝向第二固定铁芯23被吸引,而不被朝着第一固定铁芯21沿轴向向前方吸引。 因此,能够提高喷射器1的开阀力。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Fuel injection valve and assembling method
    • 燃油喷射阀和组装方法
    • JP2006250122A
    • 2006-09-21
    • JP2005071551
    • 2005-03-14
    • Denso Corp株式会社デンソー
    • MOCHIZUKI KOICHINAGATOMO HIROAKI
    • F02M51/06
    • PROBLEM TO BE SOLVED: To provide a fuel injection valve having two movable cores and a function of making the lift of a needle variable by regulating an axial displacement of one of the movable cores by the other movable core and improving the productivity. SOLUTION: The fuel injection valve comprises a cylindrical member 18 serving as a casing, the needle 30 provided in the casing, separating from and seating to a valve seat 14, the first movable core 50 axially displaceable along with the needle, the second movable core 60 regulating the displacement of the first movable core and axially displaceable, a drive coil capable of applying magnetic force to the first and second movable cores and a magnetizing member 17, 80 as an attraction member for attracting the second movable core, wherein the lift of the needle is made variable by making the displacement of the first movable core variable. The fuel injection valve comprises a housing 15 which is provided in the casing, receives and unitizes the second movable core and a magnetizing member 18. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种具有两个可动芯的燃料喷射阀,并且具有通过调节可动铁芯中的一个可动铁心的另一可动铁芯的轴向位移来提高针头的升程的功能,并提高生产率。 解决方案:燃料喷射阀包括用作壳体的圆柱形构件18,设置在壳体中的针30与阀座14分离并安置在阀座14上,第一可动芯50与针一起可轴向移动, 调节第一可动铁芯的位移并可轴向移动的第二可动铁心60,能够对第一和第二可动铁心施加磁力的驱动线圈和作为吸引第二可动铁芯的吸引部件的励磁部件17,80,其中, 通过使第一可动铁芯的位移变化,使针的升程变得可变。 燃料喷射阀包括设置在壳体中的壳体15,接收并组合第二可动芯和磁化构件18.版权所有(C)2006,JPO&NCIPI
    • 4. 发明专利
    • 燃料噴射制御装置および燃料噴射システム
    • 燃油喷射控制装置和燃油喷射系统
    • JP2014218977A
    • 2014-11-20
    • JP2013100302
    • 2013-05-10
    • 株式会社デンソーDenso Corp
    • IMAI KEITANAGATOMO HIROAKIITO EIJI
    • F02D41/20F02D41/02F02D41/04F02M51/06F02M61/10F02M61/14F02M61/18
    • F02D41/02F02D41/04F02D41/20F02M51/06F02M61/10F02M61/14F02M61/18
    • 【課題】微少量の燃料を噴射する場合であっても、燃料噴霧の微粒化を十分に促進できるようにする。【解決手段】ECU(燃料噴射制御装置)は、以下の選択手段S10、S11、およびポンプ制御手段を備える。選択手段は、弁体がフルリフト位置に達した後に閉弁作動を開始するフルリフト噴射、および弁体がフルリフト位置に達することなく閉弁作動を開始するパーシャル噴射のいずれで燃料を噴射させるかを選択する。ポンプ制御手段は、インジェクタへ供給される燃料の圧力が目標圧力となるよう、高圧ポンプの作動を制御する。そして、燃料噴射システムがとりうる目標圧力の最大値Pmaxでパーシャル噴射したときの最大噴射量をパーシャル最大噴射量Qplmaxと呼ぶ場合において、選択手段は、要求噴射量Qreqがパーシャル最大噴射量Qplmax以下である場合にパーシャル噴射を選択する。【選択図】図8
    • 要解决的问题:即使在注入少量燃料时也能充分促进燃料喷雾的雾化。解决方案:ECU(燃料喷射控制装置)包括选择装置S10,S11和泵控制装置。 选择装置选择用于燃料喷射的喷射,在阀元件到达完全提升位置之后的起动阀关闭操作的全升程注入或用于启动阀关闭操作的部分喷射,而不使阀元件达到完全提升位置。 泵控制装置控制高压泵的操作,使得供给到喷射器的燃料的压力达到目标压力。 当在燃料喷射系统允许的目标压力的最大值Pmax处的局部喷射期间的最大喷射量被定义为部分最大喷射量Qplmax时,如果需要的喷射装置Qreq是部分最大喷射量Qplmax或更低, 选择装置选择部分注入。
    • 5. 发明专利
    • Mounting structure of injection valve
    • 注射阀的安装结构
    • JP2009174486A
    • 2009-08-06
    • JP2008016055
    • 2008-01-28
    • Denso Corp株式会社デンソー
    • NAGATOMO HIROAKI
    • F01N3/08F01N3/24
    • PROBLEM TO BE SOLVED: To provide mounting structure of an injection valve suppressing temperature rise in a body tip part of an injection valve injecting addition agent to an exhaust passage.
      SOLUTION: The fuel injection valve 20 includes: a nozzle holder 24 forming a body in which an injection port jetting urea water (addition agent) is formed; and a needle (valve element) housed in the nozzle holder 24 and opening/closing an urea water passage (an addition agent passage) communicating with the injection hole. The injection valve 20 is mounted so that the injection port is positioned at the exhaust passage of an internal combustion engine, and the urea water is injected from the injection port to the exhaust passage 10a. A heat conduction member 50 of material higher in thermal conductivity than the nozzle holder 24 is disposed between a jacket 61 of a cooling means 60 cooling the nozzle holder 24 and the nozzle holder 24.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种抑制喷射阀注入添加剂的体顶端部分的温度上升到排气通道的喷射阀的安装结构。 燃料喷射阀20包括:形成喷射尿素水(添加剂)的喷射口的主体的喷嘴保持架24; 以及容纳在喷嘴保持架24内的针(阀体),开闭与喷射孔连通的尿素水通路(添加剂通路)。 喷射阀20安装成使得喷射口位于内燃机的排气通道处,并且尿素水从喷射口喷射到排气通道10a。 热导率高于喷嘴座24的材料的导热构件50设置在冷却喷嘴座24的冷却装置60的护套61和喷嘴座24之间。(C)2009,JPO&INPIT
    • 6. 发明专利
    • Mounting structure of injection valve
    • 注射阀的安装结构
    • JP2009174485A
    • 2009-08-06
    • JP2008016054
    • 2008-01-28
    • Denso Corp株式会社デンソー
    • NAGATOMO HIROAKIKOJIKA KAZUHIRO
    • F01N3/08F01N3/24F01N13/08
    • F01N3/36F01N3/2066F01N13/08F01N2610/02F01N2610/11F01N2610/1453Y02A50/2325Y02T10/24
    • PROBLEM TO BE SOLVED: To provide mounting structure of an injection valve suppressing temperature rise in a body tip part of an injection valve injecting addition agent to an exhaust passage.
      SOLUTION: The fuel injection valve 20 includes: a nozzle body having an injection port jetting urea water (addition agent); and a needle (valve element) housed in the nozzle body and opening/closing an urea water passage (an addition agent passage) communicating with the injection hole. The injection valve 20 is mounted so that the injection port is positioned at the exhaust passage 10a of an internal combustion engine, and the urea water is injected from the injection port to the exhaust passage 10a. The fuel injection valve further has a plate member 70 arranged to be opposed to the body tip part 20a forming the injection port out of the nozzle body and having a through-hole through which the urea water injected from the injection port passes. The plate member 70 deflects so as to turn an exhaust flow Y2 flowing toward the body tip part 20a out of exhaust flowing in the exhaust passage 10a away from the body tip part 20a.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种抑制喷射阀注入添加剂的体顶端部分的温度上升到排气通道的喷射阀的安装结构。 解决方案:燃料喷射阀20包括:具有喷射尿素水(添加剂)的喷射口的喷嘴体; 以及容纳在所述喷嘴体内的针(阀体),并且开闭与所述喷射孔连通的尿素水通路(添加剂通路)。 喷射阀20安装成使得喷射口位于内燃机的排气通道10a处,并且尿素水从喷射口喷射到排气通道10a。 燃料喷射阀还具有板构件70,该板构件70与形成从喷嘴体排出的喷射口的主体前端部20a相对,并且具有从喷射口喷射的尿素水通过的通孔。 板构件70偏转,使得排出流Y2向身体前端部20a流出,使排气通道10a中流动的废气远离主体末端部20a。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Reducer supply device
    • 减速器供应装置
    • JP2008169711A
    • 2008-07-24
    • JP2007001613
    • 2007-01-09
    • Denso Corp株式会社デンソー
    • NAGATOMO HIROAKINISHIJIMA YOSHIAKI
    • F01N3/36B01D53/94F01N3/24
    • F01N3/2066F01N3/208F01N2610/02F01N2610/11F01N2610/1406F01N2610/1453F01N2610/1473Y02T10/24
    • PROBLEM TO BE SOLVED: To avoid vaporization and denaturation of a refrigerant, by restraining a temperature rise in a reducer adding valve 5 after stopping an engine, in a reducer supply device 1.
      SOLUTION: In this reducer supply device 1, an ECU 6 cools the reducer adding valve 5 by supplying the refrigerant to a jacket 14 by operating a reducer supply pump 3 even after stopping the engine. Thus, even after stopping the engine, the low temperature refrigerant can flow in the jacket 14, and the high temperature refrigerant can flow out of the jacket 14. Thus, in the reducer supply device 1, the temperature rise in the reducer adding valve 5 after stopping the engine, is restrained, and the vaporization and the denaturation of the refrigerant can be avoided.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了避免制冷剂的蒸发和变性,通过在减速机供给装置1中停止发动机之后,通过抑制减速器添加阀5的温度上升来限制制冷剂。解决方案:在该还原剂供给装置 如图1所示,ECU6即使在停止发动机之后也通过运行减速器供给泵3而将制冷剂供给到护套14来冷却减速器添加阀5。 因此,即使在停止发动机之后,低温制冷剂也可以在护套14内流动,高温制冷剂能够从护套14流出。因此,在减速器供给装置1中,还原剂添加阀5的温度上升 停止发动机后,被抑制,能够避免制冷剂的蒸发和变性。 版权所有(C)2008,JPO&INPIT
    • 8. 发明专利
    • Exhaust emission control device for engine
    • 用于发动机的排气排放控制装置
    • JP2008101564A
    • 2008-05-01
    • JP2006285822
    • 2006-10-20
    • Denso Corp株式会社デンソー
    • OKAJIMA MASAHIRONISHIJIMA YOSHIAKIKUROYANAGI MASATOSHINAGATOMO HIROAKI
    • F01N3/08B01D53/94
    • F01N3/2066F01N3/208F01N2610/02F01N2610/14F01N2610/1433F01N2610/1493Y02T10/24
    • PROBLEM TO BE SOLVED: To prevent the freezing of reducing agent such as urea water or the like to suppress the breakage of components of a reducing agent supply system.
      SOLUTION: A DPF 12 and an SCR catalyst 13 are disposed to an exhaust pipe 11, and a urea water addition valve 15 for adding and supplying the urea water to the exhaust pipe 11 is disposed between the DPF 12 and the SCR catalyst 13. In constitution of the urea water supply system, urea water of predetermined concentration is stored in the urea water tank 21, and a urea water pump 22 is disposed in the tank 21. The urea water pump 22 can rotate in normal and reverse directions. A urea water supply pipe 23 is connected to the urea water pump 22. After stop of an engine, an ECU 30 drives the urea water pump 22 with a state where urea water is sucked again (a reverse rotation drive state) different from a normal urea water discharge state (a normal rotation drive state). Therefore, the urea water remaining in the urea water addition valve 15 or the urea water supply pipe 23 is collected in the urea water tank 21.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了防止诸如尿素水等的还原剂的冻结以抑制还原剂供应系统的组分的断裂。 解决方案:DPF 12和SCR催化剂13设置在排气管11上,并且在DPF 12和SCR催化剂之间设置有用于向排气管11添加和供应尿素水的尿素水添加阀15 在尿素供水系统的结构中,将规定浓度的尿素水储存在尿素水箱21内,在水箱21内设置有尿素水泵22.尿素水泵22能够在正反方向旋转 。 尿素水供给管23与尿素水泵22连接。在发动机停止之后,ECU30驱动尿素水泵22,尿素水再次被吸入(反转驱动状态)与正常情况不同的状态 尿素水排出状态(正常旋转驱动状态)。 因此,尿素水添加阀15或尿素水供给管23中残留的尿素水被收集在尿素水箱21内。(C)2008,JPO&INPIT
    • 9. 发明专利
    • Fuel injection valve
    • 燃油喷射阀
    • JP2006090191A
    • 2006-04-06
    • JP2004275846
    • 2004-09-22
    • Denso Corp株式会社デンソー
    • NAGATOMO HIROAKIOTA NOBUO
    • F02M51/06
    • PROBLEM TO BE SOLVED: To provide a fuel injection valve capable of restraining a valve opening bounce and improving valve opening responsiveness in a thing for attracting or separating a movable core and a fixed core collaborating with a valve member according to generation and disappearance of an electromagnetic attraction force.
      SOLUTION: The fuel injection valve comprises a needle 30, the movable core 50 for moving to a seating direction and a separating direction collaborating with the needle, the fixed core 54 for magnetically attracting the movable core against the energizing force energizing it to the seating direction, and a coil 60 for generating an electromagnetic force for magnetically attracting the movable core to the fixed core. The fuel injection valve attracts and separates the movable core and the fixed core by generation and disappearance of the electromagnetic force. In the fuel injection valve, a buffer core 52 as a magnetic body energized in the seating direction is provided between the movable core and the fixed core, a contact area between the buffer core and the fixed core is formed to be larger than a contact area between the buffer core and the movable core, and a second set load energized by the movable core is formed to be larger than a first set load energized by the buffer core.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题:提供一种能够抑制阀开度反弹的燃料喷射阀,并且提高用于吸引或分离根据产生和消失的与阀构件合作的可动芯和固定芯的物体中的开阀响应性 的电磁吸引力。 解决方案:燃料喷射阀包括针30,用于移动到就座方向的可移动芯50和与针相配合的分离方向,固定芯54用于磁力吸引可动芯以抵抗将其激励的激励力 座位方向,以及用于产生用于将可动铁心吸引到固定铁心的电磁力的线圈60。 燃料喷射阀通过电磁力的产生和消失吸引并分离可动铁芯和固定铁芯。 在燃料喷射阀中,在可动铁心和固定铁芯之间设置作为沿着就座方向通电的磁体的缓冲芯52,缓冲芯与固定铁芯之间的接触面积大于接触面积 在缓冲芯和可动铁芯之间,并且由可动铁芯激励的第二设定负载被形成为大于由缓冲芯激励的第一设定负载。 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • Air blast injector
    • AIR BLAST INJECTOR
    • JP2012047167A
    • 2012-03-08
    • JP2010234928
    • 2010-10-19
    • Denso Corp株式会社デンソー
    • IWAMURO MAKOTOMOCHIZUKI KOICHINAGATOMO HIROAKIOHATA KEIGO
    • F02M67/12F02M61/08F02M67/02
    • F02M67/12
    • PROBLEM TO BE SOLVED: To provide an air blast injector that can improve the atomization of fuel by suppressing the mixture nonuniformity of liquid fuel and pressurized air.SOLUTION: A second needle 9 includes: a center hole 14 extending vertically; a fuel reservoir 15 composed of an annular space; a radial direction communication passage 16 for guiding fuel to the fuel reservoir 15 from the center hole 14; and a jet hole 17 composed of minute slits for leading fuel in the fuel reservoir 15 to the entire circumference of a venturi portion 12. Thereby, liquid fuel can be supplied to all pressurized air passing the venturi portion 12, and the mixture nonuniformity of the liquid fuel and air can be suppressed. As a result, the atomization of the liquid fuel jetted from a second injection hole 7 while being mixed in the pressurized air can be improved.
    • 要解决的问题:提供一种可以通过抑制液体燃料和加压空气的混合不均匀性来改善燃料雾化的鼓风喷射器。 解决方案:第二针9包括:垂直延伸的中心孔14; 由环形空间构成的燃料箱15; 用于将燃料从中心孔14引导到燃料储存器15的径向连通通道16; 以及由用于将燃料箱15中的燃料引导到文丘里管部分12的整个周边的微小狭缝构成的喷射孔17.由此,能够将液体燃料供应到通过文氏管部分12的所有加压空气,并且混合物的不均匀性 可以抑制液体燃料和空气。 结果,可以提高在加压空气中混合时从第二喷射孔7喷射的液体燃料的雾化。 版权所有(C)2012,JPO&INPIT