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    • 2. 发明专利
    • Exhaust gas treating device for engines
    • 用于发动机的排气处理装置
    • JP2005344597A
    • 2005-12-15
    • JP2004164740
    • 2004-06-02
    • Hitachi Ltd株式会社日立製作所
    • AMO KIYOSHIKATOGI KOZOOSUGA MINORUMATSUMOTO TAKEHIRO
    • F01N3/02B01D53/94F01N3/08
    • PROBLEM TO BE SOLVED: To remove NOx in correspondence to a whole operation region extending from a low load region for a low exhaust gas temperature at the time of starting of a diesel engine and a small exhaust gas amount to a high load region of a high exhaust gas temperature and a multi-exhaust gas amount. SOLUTION: Splitting gas 19 being a part of exhaust gas is caused to pass through to the outer peripheral surface side being a carburetor 18 of a urea water spray 27, and a plurality of heaters 38, 32, 33, 34, 41, and 43 are situated on the outer peripheral surface of the carburetor 18 and temperature is individually controlled. Further, the temperature of the evaporating surface 26 of the carburetor 18 is set to 250°C or higher and the fluctuation margin of a temperature at a urea steam outlet 47 being the outlet of the carburetor 18 is set to 10°C or less. Further, the urea steam outlet 47 is set to a value larger than a carburetor passage cross-sectional area. Further more, a revolving member b52, flue throttles 53, 54, and 55, and a wall flow exfoliation member 56 are situated in flues 4 and 5 located downstream of the urea steam outlet 47. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了在从柴油发动机起动时的低废气温度的低负荷区域延伸的整个工作区域和排气量小的高负荷区域中排除NOx 具有高排气温度和多排气量。 解决方案:使作为废气的一部分的气体分解为尿素水喷雾27的化油器18的外周面,多个加热器38,32,33,34,41 和43位于化油器18的外周面上,单独控制温度。 此外,化油器18的蒸发面26的温度被设定为250℃以上,作为化油器18的出口的尿素蒸汽出口47的温度的波动余量被设定为10℃以下。 此外,尿素蒸汽出口47被设定为大于化油器通道横截面积的值。 此外,旋转构件b52,烟道节流阀53,54和55以及壁流剥离构件56位于位于尿素蒸汽出口47下游的烟道4和5中。(C)2006, JPO&NCIPI
    • 3. 发明专利
    • Throttle valve assembly for internal combustion engine
    • 用于内燃机的节流阀组件
    • JP2005180260A
    • 2005-07-07
    • JP2003420421
    • 2003-12-18
    • Hitachi LtdHonda Motor Co Ltd本田技研工業株式会社株式会社日立製作所
    • SAITO YASUOMATSUMOTO TAKEHIROISHIHARA KAZUYATAKAGI YASUOYAMAMOTO YUJI
    • F02D9/10
    • PROBLEM TO BE SOLVED: To provide a throttle valve assembly has little adhesion of solid body.
      SOLUTION: A throttle valve shaft 3 is rotatably supported by a main body 1. The throttle valve controls quantity of intake air flowing in an air intake passage fixed and supported by the throttle valve shaft 3. The throttle valve 4 is provided with a chamfer part 4A provided on an outer circumference end part of a throttle valve. The chamfer part 4A is provided in an upstream side of the outer circumference part of the throttle valve 4. Consequently, flow F2 and flow F1B are composed in vector and form flow F3 in a gap between an outer circumference side of the throttle valve 4 and the main body 1. Since the flow F3 makes angle θ3 with an inner wall surface of the main body 1 smaller than a case without chamfer part, a solid body is less liable to adhere.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供节气门组件,固体几乎没有附着力。 解决方案:节气门轴3由主体1可旋转地支撑。节流阀控制在由节气门轴3固定和支撑的进气通道中流动的进气量。节流阀4设置有 设置在节流阀的外周端部的倒角部4A。 倒角部4A设置在节气门4的外周部的上游侧。因此,在节流阀4的外周侧和节流阀4的外周侧之间的间隙中,流动F2和流量F1B成矢量形成流量F3 由于流动F3使主体1的内壁面的角度θ3小于没有倒角部的情况,因此固体难以附着。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • Battery module
    • 电池模块
    • JP2011076841A
    • 2011-04-14
    • JP2009226589
    • 2009-09-30
    • Hitachi LtdHitachi Vehicle Energy Ltd日立ビークルエナジー株式会社株式会社日立製作所
    • MATSUMOTO TAKEHIROHONMA HIDEKIHARADA SUSUMU
    • H01M2/10H01M10/60
    • Y02E60/12
    • PROBLEM TO BE SOLVED: To obtain high cooling effect by a refrigerant supplied from outside of a battery housing package. SOLUTION: Coupling batteries 302 and 304 of a first coupling battery group 310 are arranged, while being separated, in a direction orthogonal to a plane surface P as far as a battery holder 320 sticks fast to flow channel side walls 210 and 212, and a flow channel F11 of large cross section is formed between the coupling batteries. Coupling batteries 306 and 308 of a second coupling battery group 312 are so arranged that an interval between the coupling battery 306 and the flow channel sidewall 210, an interval between the coupling battery 308 and the flow channel sidewall 212 and an interval between the coupling batteries 306 and 308 are substantially equal to each other. Consequently, substantially equal flow channels F22, F21 and F23 are formed between the coupling battery 306 and the flow channel sidewall 210, between the coupling battery 308 and the flow channel sidewall 212 and among the coupling batteries, respectively. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:通过从电池外壳的外部供应的制冷剂获得高的冷却效果。 解决方案:第一耦合电池组310的电池302和304的耦合在与平面P正交的方向上分开布置,只要电池座320快速地粘到流动通道侧壁210和212上 并且在联接电池之间形成有大截面的流路F11。 第二耦合电池组312的耦合电池306和308被布置成使得耦合电池306和流动通道侧壁210之间的间隔,耦合电池308和流动通道侧壁212之间的间隔以及耦合电池之间的间隔 306和308基本上彼此相等。 因此,在耦合电池306和流动通道侧壁210之间,耦合电池308和流动通道侧壁212之间以及耦合电池之间分别形成大致相等的流动通道F22,F21和F23。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Apparatus for mixing gas
    • 混合气体装置
    • JP2008049306A
    • 2008-03-06
    • JP2006229996
    • 2006-08-28
    • Hitachi Ltd株式会社日立製作所
    • MATSUMOTO TAKEHIROSATO MASAYUKIKOWATARI TAKEHIKO
    • B01F5/00B01F3/02F01N3/08
    • PROBLEM TO BE SOLVED: To solve such a problem that the size of a system becomes larger or the output of the system is decreased since a main conduit of a long section is required or several devices are arranged in the main conduit to cause a pressure loss in a fluid when two fluids are mixed almost uniformly with each other.
      SOLUTION: An auxiliary conduit is arranged through which an additional gas is made to pass and an outlet of the auxiliary conduit is arranged to be opened to the vicinity of the center of the main conduit through which a main gas is made to pass. A plate for dispersing the additional gas in the radial direction or a frustum-like structure, the cross-sectional area of which is made larger as the cross section near the auxiliary conduit is parted from the auxiliary conduit, is arranged in the vicinity of the center of the main conduit just after the outlet of the auxiliary conduit. A whirling member having a plurality of stator blades or rotor blades for forming a whirling flow in a current of the main gas is arranged for promoting the mixing of the additional gas with the main gas.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了解决由于需要长段的主管道或者在主管道中布置多个设备而导致系统尺寸变大或者系统的输出减小的问题,导致 当两种流体彼此几乎均匀地混合时,流体中的压力损失。

      解决方案:配置辅助导管,附加气体通过该辅助导管通过,并且辅助导管的出口被布置成向主导管的中心附近开放,主气体通过该导管通过 。 用于将附加气体分散在径向方向上的板或平截头体状结构,当辅助导管附近的横截面与辅助导管分离时,截面积更大的横截面积被设置在 主导管的中心位于辅助导管出口之后。 布置有用于在主气体的电流中形成旋转流的多个定子叶片或转子叶片的旋转构件,用于促进附加气体与主气体的混合。 版权所有(C)2008,JPO&INPIT

    • 9. 发明专利
    • RECTIFYING DUCT
    • JPH05223109A
    • 1993-08-31
    • JP2697392
    • 1992-02-13
    • HITACHI LTD
    • SEKINE YOSHITOARAI NOBUKATSUMIYAGAWA GENKOMIYAZAKI ATSUSHIMATSUMOTO TAKEHIRO
    • F02M35/10F15D1/00G01F15/00G01M9/04
    • PURPOSE:To suppress noise by installing a mainstream axial pipe that vertically projects to the outside at a circular hole in the central part on one side of two sheets of parallel plates, and ring-shaped air filters at the edge parts between the two sheets of plates, and providing on the other side of the plates a projecting body that is tapered off toward the circular hole. CONSTITUTION:Air flows in from the circumferential direction of air filters 6, passes through a radial passage 1b made up of space formed by two sheets of plates 1, 2, joins at the junction 7 in the center of the space, changes direction by 90 degree to a mainstream axial passage 4a composed of a mainstream axial pipe 4 and flows out from its exit. Filters 6 eliminate the drifts of air streams that flow in from the circumferences and the slanting surface of a projecting body 1a is dashed with the air streams that flow in from all directions and converts direction of the air flow to the mainstream axial passage 4a, thereby the air streams that flow in are prevented from coming into collision and contact with the slanting surface at the junction 7, generation of a dead air zone where dynamic pressure and static pressure change unstably by a head-on collision is suppressed, and turbulence of the steams at the junction 7 and the amount of emergence of eddy streams are reduced. Vibration of the dead air zone can be prevented from the abovementioned process.