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    • 1. 发明专利
    • Manufacturing method of soft magnetic material
    • 软磁材料的制造方法
    • JP2006134958A
    • 2006-05-25
    • JP2004319734
    • 2004-11-02
    • Denso CorpHitachi Powdered Metals Co Ltd日立粉末冶金株式会社株式会社デンソー
    • NISHIJIMA YOSHIAKIISHITANI MASAHIRONOMURA YURIOYAMAGUCHI KOICHIISHIKAWA YUICHIHAYAMA HIDEKAZUASAKA KAZUOISHIHARA CHIO
    • H01F1/147H01F1/22H01F1/24
    • PROBLEM TO BE SOLVED: To provide a method of easily manufacturing a soft magnetic material which is of low iron loss and superior in magnetic characteristics. SOLUTION: The soft magnetic material is manufactured with the host phase of soft magnetic metal existing in many regions partitioned by a diaphragm having high electrical resistance characteristics. A raw material powder is prepared which is an aggregate of soft magnetic particles 10, where an oxide film 30 which is to be the diaphragm is coated on the surface of host phase particles 20 of soft magnetic metal. A coupling agent 8, containing the metal element whose oxidizing reaction is higher than the soft magnetic metal constituting the host phase particles 20, is added to the raw material powder. The raw material powder, to which the coupling agent 8 has been added, is pressed to form a molding 110 of desired shape. Then the molding 110 is baked. The coupling agent 8 is preferably a silane-coupling agent. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种易于制造铁损低且磁特性优异的软磁性材料的方法。 解决方案:软磁性材料的制造方法是将磁性金属的主体相存在于由具有高电阻特性的隔膜分隔的许多区域中。 制备作为软磁性颗粒10的集合体的原料粉末,其中作为隔膜的氧化膜30涂覆在软磁性金属的主体相颗粒20的表面上。 将含有氧化反应高于构成主体相颗粒20的软磁性金属的金属元素的偶联剂8添加到原料粉末中。 加入了偶联剂8的原料粉末被压制,形成所需形状的成型体110。 然后将模制件110烘烤。 偶联剂8优选为硅烷偶联剂。 版权所有(C)2006,JPO&NCIPI
    • 2. 发明专利
    • Process for producing soft magnetic material
    • 生产软磁材料的方法
    • JP2006108475A
    • 2006-04-20
    • JP2004294709
    • 2004-10-07
    • Denso CorpHitachi Powdered Metals Co Ltd日立粉末冶金株式会社株式会社デンソー
    • ISHITANI MASAHIRONISHIJIMA YOSHIAKINOMURA YURIOASAKA KAZUOISHIHARA CHIOYAMAGUCHI KOICHIISHIKAWA YUICHIHAYAMA HIDEKAZU
    • H01F1/24H01F1/33
    • PROBLEM TO BE SOLVED: To produce a sintered body having a fine and rigid high electric resistance layer on the surface of soft magnetic powder through a simple process using inexpensive soft magnetic powder principally comprising iron as a material.
      SOLUTION: Fe-Si alloy powder is heated in weak oxidizing atmosphere to form an SiO
      2 oxide film on the surface and after being pressed, it is calcinated in weak oxidizing atmosphere to produce a sintered body. Surface oxidation process is carried out in weak oxidizing atmosphere of steam, or the like, to oxide Si selectively thus forming a thin oxide film of high electric resistance, which is then further calcinated in weak oxidizing atmosphere. The oxide film cracked at the time of press molding is repaired by repeating oxidation in pressurization atmosphere and degassing in pressure reduction atmosphere thus obtaining a high quality sintered body.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:使用以铁为材料的廉价的软磁粉末,通过简单的工艺,在软磁性粉末的表面上制造具有微细刚性高电阻层的烧结体。 解决方案:在弱氧化气氛中加热Fe-Si合金粉末,在表面形成SiO 2 氧化物膜,经过压制后,在弱氧化气氛中煅烧,制成烧结体 。 表面氧化处理在蒸汽等的弱氧化气氛中进行,选择性地形成氧化物Si,从而形成高电阻的薄氧化膜,然后在弱氧化气氛中进一步煅烧。 通过在加压气氛中重复氧化并在减压气氛中脱气来修复压制成型时的氧化膜破裂,得到高质量的烧结体。 版权所有(C)2006,JPO&NCIPI
    • 4. 发明专利
    • Control device for combustion system
    • 燃烧系统控制装置
    • JP2013044245A
    • 2013-03-04
    • JP2011180812
    • 2011-08-22
    • Denso Corp株式会社デンソー
    • YOKOTA TAKAMASASASAKI SATORUNISHIJIMA YOSHIAKI
    • F02D19/12F02B47/02F02D21/08F02D43/00F02M25/022F02M25/07
    • F02M25/03Y02T10/121
    • PROBLEM TO BE SOLVED: To avoid a misfire even in the low-load operation of an internal combustion engine, and to obtain NOx reduction efficiency by water injection.SOLUTION: The control device for a combustion system is applied to a combustion system including a fuel injection valve for directly injecting fuel to a combustion chamber and a water injection valve (non-combustion fluid injection valve) for injecting water (non-combustion fluid) to the combustion chamber. The control device for the combustion system includes a middle and high-load control means S50 for controlling the motion of the water injection valve so as to allow water to collide with the atomized fuel injected from the fuel injection valve in the middle or high-load operation equal to or higher than the set load in the internal combustion engine and a low-load control means S60 for controlling the water injection valve so that the water injection is started before the fuel injection and the water injection is finished before the fuel injection is started in the low-load of the internal combustion engine.
    • 要解决的问题:即使在内燃机的低负荷运转中也能够避免发生失火,并且通过注水获得NOx还原效率。 解决方案:用于燃烧系统的控制装置被应用于包括用于将燃料直接喷射到燃烧室的燃料喷射阀和用于喷射水的非喷射阀(非燃烧流体喷射阀)的燃烧系统, 燃烧流体)到燃烧室。 用于燃烧系统的控制装置包括中高压负载控制装置S50,用于控制水喷射阀的运动,以使水能够与在中等或高负载中的燃料喷射阀喷射的雾化燃料相撞 操作等于或高于内燃机中的设定负荷;以及低负载控制装置S60,用于控制喷水阀,使得在燃料喷射和燃油喷射之前完成喷油之前开始注水 从内燃机的低负荷开始。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Exhaust emission control device
    • 排气排放控制装置
    • JP2011127440A
    • 2011-06-30
    • JP2009283811
    • 2009-12-15
    • Denso Corp株式会社デンソー
    • MATSUYAMA AKIHIROOKAJIMA MASAHIRONISHIJIMA YOSHIAKIKUROYANAGI MASATOSHI
    • F01N3/02B03C3/41B03C3/66F01N3/08
    • F01N3/01B03C3/41B03C3/68B03C2201/06B03C2201/10B03C2201/30Y02T10/20
    • PROBLEM TO BE SOLVED: To provide an exhaust emission control device capable of avoiding the lowerin of a control quantity and deterioration in an electrode needle by restraining the generation of arc discharge, in the exhaust emission control device for controlling particulates in exhaust gas by corona discharge. SOLUTION: The exhaust emission control device controls the particulate (PM) in the exhaust gas by performing the corona discharge in an exhaust passage 11 of an internal combustion engine, and includes the electrode needle 212a arranged in the exhaust passage 11 and performing the corona discharge, a conductive member 211 for supplying electric power to the electrode needle 212a, and an insulator member 22 (insulating holding member) installed in an exhaust pipe 42 and holding the conductive member 211 in an electrically insulated state to the exhaust pipe 42. A resistor 211d becoming electric resistance larger than electric resistance generated by the conductive member 211 is arranged in a part positioned at the electrode needle 212a side more than the insulator member 22 in an electric power supply passage by the conductive member 211. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决问题的方案为了提供一种废气排放控制装置,其能够通过抑制电弧放电的产生来避免控制量的下降和电极针的劣化,在用于控制废气中的微粒的废气排放控制装置 通过电晕放电。 解决方案:废气排放控制装置通过在内燃机的排气通道11中执行电晕放电来控制废气中的颗粒(PM),并且包括布置在排气通道11中的电极针212a,并执行 电晕放电,用于向电极针212a供电的导电部件211和安装在排气管42中并将导电部件211以电绝缘状态保持在排气管42上的绝缘部件22(绝缘保持部件) 在导电部件211的电力供给路径中,电阻211d变得比导电部件211产生的电阻大的电阻配置在电极针212a侧比绝缘部件22多的位置。 版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Exhaust emission control device of internal combustion engine
    • 内燃机排气控制装置
    • JP2010112205A
    • 2010-05-20
    • JP2008283525
    • 2008-11-04
    • Denso Corp株式会社デンソー
    • OKAJIMA MASAHIRONISHIJIMA YOSHIAKI
    • F01N3/02
    • PROBLEM TO BE SOLVED: To provide an exhaust emission control device of an internal combustion engine using even a characteristic capable of generating a substance having the high oxidation function by a corona discharge device, without causing inconvenience in corona discharge even if PM generated from an engine is high density, when removing the PM by using the corona discharge device.
      SOLUTION: An exhaust pipe 4 of the exhaust emission control device 1 is provided with a DPF 5 and the corona discharge device 6 (a discharge part) in order from the upstream side, and is also provided with a recirculating pipe 7 for recirculating exhaust gas to the upstream side of the DPF 5 from the downstream side of the discharge part 6. The corona discharge is generated in the discharge part 6 by supplying voltage to an electrode 61, and an oxygen radical having the high oxidation function is generated thereby. The oxygen radical generated by the discharge part 6 oxidizes the PM passed through the DPF 5 in the discharge part 6, and oxidizes the PM deposited on the DPF 5 by being recirculated by the recirculating pipe 7.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了提供即使具有能够通过电晕放电装置产生具有高氧化功能的物质的特性的内燃机的废气排放控制装置,即使产生PM,也不会引起电晕放电的不便 通过使用电晕放电装置去除PM时,发动机的密度高。 解决方案:废气排放控制装置1的排气管4从上游侧依次设置有DPF 5和电晕放电装置6(排出部),并且还设置有用于 从排出部6的下游侧将废气再循环到DPF5的上游侧。通过向电极61供给电压,在放电部6中产生电晕放电,产生氧化功能高的氧自由基 从而。 由排出部分6产生的氧自由基通过排出部分6中的DPF 5氧化PM,并通过再循环管7再循环氧化沉积在DPF 5上的PM。(C)2010 ,JPO&INPIT
    • 7. 发明专利
    • Exhaust emission control device of internal combustion engine
    • 内燃机排气控制装置
    • JP2010096057A
    • 2010-04-30
    • JP2008266416
    • 2008-10-15
    • Denso Corp株式会社デンソー
    • ARAKAWA MIYAOKUROYANAGI MASATOSHINISHIJIMA YOSHIAKI
    • F01N3/08B01D53/94F01N3/02F01N3/20F01N3/24
    • PROBLEM TO BE SOLVED: To provide an exhaust emission control device of an internal combustion engine that avoids continuous irradiation when purifying NOx and SOx exhausted from an internal combustion engine by electromagnetic irradiation, and has an irradiation unit that is resistant to contamination by exhaust gas.
      SOLUTION: An exhaust emission control device 1 includes a DPF 5, and also includes a laser irradiation device 6 downstream from the DPF 5. The DPF 5 has a filter wall whose wall face is composed of an upstream side wall face carrying a catalyst for collecting particulate matters and appropriately eliminating them by burning, and a downstream side wall face carrying an adsorbent for adsorbing NOx and SOx. The laser irradiation device 6 has a laser generating units 61 and 62 that generate electromagnetic waves with wavelengths that can decompose NOx and SOx, respectively. A switching unit 63 switches between the laser generating unit 61 and the laser generating unit 62, and when a laser is applied to NOx and SOx adsorbed on the downstream side wall face of the DPF 5, NOx and SOx are decomposed and purified.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种内燃机的废气排放控制装置,其在通过电磁照射净化从内燃机排出的NOx和SO x时,避免连续照射,并且具有耐受污染的照射单元 废气 解决方案:废气排放控制装置1包括DPF 5,并且还包括在DPF 5下游的激光照射装置6.DPF 5具有过滤壁,该壁面由上游侧壁面构成, 用于收集颗粒物并通过燃烧适当地消除它们的催化剂以及承载用于吸附NOx和SO x的吸附剂的下游侧壁面。 激光照射装置6具有分别产生能够分解NOx和SOx的波长的电磁波的激光发生部61,62。 开关单元63在激光产生单元61和激光发生单元62之间切换,并且当激光被施加到吸附在DPF 5的下游侧壁面上的NOx和SOx时,NOx和SOx被分解和净化。 版权所有(C)2010,JPO&INPIT
    • 8. 发明专利
    • Reducing agent supply system
    • 减少代理供应系统
    • JP2010007617A
    • 2010-01-14
    • JP2008170020
    • 2008-06-30
    • Denso Corp株式会社デンソー
    • OKAJIMA MASAHIRONISHIJIMA YOSHIAKI
    • F01N3/08B01D53/34B01D53/56B01D53/74B01D53/94F01N3/28
    • Y02A50/2325Y02T10/24
    • PROBLEM TO BE SOLVED: To suppress precipitation of urea or the like after pump drive is stopped, and to suitably add and supply a reducing agent aqueous solution, by extension. SOLUTION: A urea water addition valve 15 is connected to a urea water tank 21 via a urea water supply pipe 22. A urea water pump 23 is disposed at the urea water supply pipe 22 such that the urea water pump 23 is not immersed in urea water in the urea water tank 21. The urea water supply pipe 22 is provided with: a filter device 25 for storing urea water fed by the urea water pump 23; and a first check valve 24 for supplying the urea water stored in the filter device 25 by prescribed amounts to the urea water pump 23 in a state where a drive of the urea water pump 23 is stopped. COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:在泵驱动停止之后抑制尿素等的沉淀,并且通过延伸适当地添加和供给还原剂水溶液。 解决方案:尿素水添加阀15经由尿素水供给管22与尿素水箱21连接。尿素水泵23设置在尿素水供给管22上,尿素水泵23不是 浸渍在尿素水箱21中的尿素水中。尿素水供给管22设置有:用于储存由尿素水泵23供给的尿素水的过滤器装置25; 以及第一止回阀24,其在尿素水泵23的驱动停止的状态下,将存储在过滤器装置25中的尿素水以规定量供给到尿素水泵23。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Exhaust emission control device of internal combustion engine
    • 内燃机排气控制装置
    • JP2009108803A
    • 2009-05-21
    • JP2007283318
    • 2007-10-31
    • Denso Corp株式会社デンソー
    • ARAKAWA MIYAONISHIJIMA YOSHIAKIKUROYANAGI MASATOSHI
    • F01N3/08B01D53/86B01D53/94B01J35/02F01N3/18F01N3/20F01N3/24F01N3/28
    • PROBLEM TO BE SOLVED: To provide an exhaust emission control device of an internal combustion engine, reducing specific substance discharged along with exhaust gas even at starting or the like in which temperature of exhaust gas is low. SOLUTION: An exhaust system 15 is provided with a photocatalyst unit 40 downstream of a three way catalyst 32 in a flow direction of exhaust gas. The photocatalyst unit 40 is provided with a plurality of carriers carrying photocatalysts. A control section 17 turns on an ultraviolet lamp of the photocatalyst unit 40 when temperature of the three way catalyst 32 is lower than activating temperature and turns off the ultraviolet lamp when the temperature of the three way catalyst 32 is equal to or higher than activating temperature. With this, when temperature of the three way catalyst 32 is low and catalytic activity is insufficient as is in stating of a gasoline engine 11, hydrocarbon contained in exhaust gas is oxidized. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种内燃机的废气排放控制装置,即使在废气温度低的起动等情况下,还能排出与废气一起排出的特定物质。 解决方案:排气系统15在排气的流动方向上设置有三元催化剂32下游的光催化剂单元40。 光催化剂单元40设置有携带光催化剂的多个载体。 当三元催化剂32的温度低于活化温度时,控制部分17打开光催化剂单元40的紫外线灯,当三元催化剂32的温度等于或高于活化温度时,控制部分17打开紫外线灯 。 由此,当三元催化剂32的温度低,催化活性不足时,如汽油发动机11的说明,废气中所含的烃被氧化。 版权所有(C)2009,JPO&INPIT