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    • 11. 发明专利
    • Laser ignition device
    • 激光点火装置
    • JP2006009585A
    • 2006-01-12
    • JP2004183561
    • 2004-06-22
    • Denso CorpNippon 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
    • TANI TAISHINMIZOBUCHI TAKASHISAITO KIMITAKAYAMAMOTO NORIOYOSHINAGA TORUKANEHARA KENJIYORITA HIROSHI
    • F02P23/04
    • PROBLEM TO BE SOLVED: To provide a laser ignition device capable of optionally changing an ignition position in a combustion chamber of an engine for a vehicle.
      SOLUTION: The laser ignition device has a cylindrical case 10; a laser unit 20 enclosed in the case 10 and emitting laser beams; an electronic shutter 30 disposed on an optical axis of the laser beams and transmitting or intercepting the laser beams; a condensing lens 60 for condensing laser beams irradiated from the laser unit 20; a pedestal 50 formed in hollow cylinder shape and fixing the condensing lens 60 inclined at a desired angle to a plane perpendicular to the optical axis of the laser beams; and a superconductive motor 40 for rotating the pedestal 50 around the optical axis of the laser beams. The condensing lens 60 is fixed to the pedestal 50 being inclined so that a diameter of a circle described by the focal points of laser beams by the rotation of the condensing lens 60 is at least 3.5 mm.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够可选地改变用于车辆的发动机的燃烧室中的点火位置的激光点火装置。

      解决方案:激光点火装置具有圆筒形壳体10; 激光单元20,封装在壳体10中并发射激光束; 设置在激光束的光轴上并传送或截取激光束的电子快门30; 用于聚集从激光单元20照射的激光束的聚光透镜60; 形成为中空圆筒形状的基座50,并且以与所述激光束的光轴垂直的平面以预定角度倾斜的聚光透镜60; 以及用于使基座50绕激光束的光轴旋转的超导电机40。 聚光透镜60被固定到倾斜的基座50,使得通过聚光透镜60的旋转由激光束的焦点描述的圆的直径为至少3.5mm。 版权所有(C)2006,JPO&NCIPI

    • 13. 发明专利
    • Ignition timing control method and device
    • 点火时序控制方法和装置
    • JP2006242043A
    • 2006-09-14
    • JP2005056427
    • 2005-03-01
    • Denso CorpNippon 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
    • MASUDA MAKOTOMIZOBUCHI TAKASHIYAMAMOTO NORIONISHIJIMA YOSHIAKISAITO KIMITAKASO SHINSHU
    • F02P23/04F02B11/00F02B23/02F02D41/02
    • Y02T10/125Y02T10/128
    • PROBLEM TO BE SOLVED: To provide an ignition timing control method and device for a premixed compression ignition engine of simple structure.
      SOLUTION: The ignition timing control device for controlling the ignition timing of the premixed compression ignition engine 10 has a laser generators 1, 1' for generating predetermined laser beams 2, 2'; a condensing irradiation means 3 for condensing and irradiating predetermined laser beams generated from the laser generators 1, 1', toward a combustion chamber 7 of the premixed compression ignition engine 10. The condensing irradiation means 3 condenses and irradiates the predetermined laser beams 2, 2' toward the combustion chamber 7 to produce an oxygen radical (O*). Since only the condensing irradiation of predetermined laser beams toward the combustion chamber is carried out, the conventional premixed compression ignition engine has only to be provided with a laser light source for generating laser beams, and a condensing irradiation means for condensing and irradiating the laser beams. Structure can thereby be made extremely simple.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种结构简单的预混压缩点火发动机的点火正时控制方法和装置。 解决方案:用于控制预混压缩点火发动机10的点火正时的点火正时控制装置具有用于产生预定激光束2,2'的激光发生器1,1'。 冷凝照射装置3,用于将从激光发生器1,1'产生的预定激光束朝向预混压缩点火发动机10的燃烧室7进行冷凝和照射。冷凝照射装置3冷凝并照射预定的激光束2,2 朝向燃烧室7产生氧自由基(O *)。 由于只进行朝向燃烧室的规定的激光束的冷凝照射,所以以往的预混压缩点火式发动机仅具备用于产生激光的激光光源,以及聚光照射装置, 。 因此,结构可以非常简单。 版权所有(C)2006,JPO&NCIPI
    • 16. 发明专利
    • Laser ignition device
    • 激光点火装置
    • JP2006242036A
    • 2006-09-14
    • JP2005056319
    • 2005-03-01
    • Denso CorpNippon 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
    • MOTOE YUSUKESAITO KIMITAKAMIZOBUCHI TAKASHIYAMAMOTO NORIO
    • F02P23/04
    • PROBLEM TO BE SOLVED: To solve a problem of the related art, in which a plurality of laser ignition devices are required and the cost is increased when air-fuel mixture in a combustion chamber is ignited by laser beams from a plurality of portions. SOLUTION: A laser ignition device 35 for igniting the air-fuel mixture in a combustion chamber 17 of an internal combustion engine, comprises: a laser oscillator 36 generating the laser beams with a circular cross-sectional face; a conical lens 40 turning the laser beams with circular cross section into ring-like laser beams; and a spherical lens forming a ring-like focal point (a) in the combustion chamber from the ring-like laser beams; and lens moving members 50, 55 changing the shape and position of the focal point by moving the spherical lens in an axial direction. The conical lens and spherical lens form the ring-like focal point, and the lens moving members changes the shape and size of the focal point. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题为了解决现有技术的问题,其中需要多个激光点火装置,并且当燃烧室中的空气燃料混合物被来自多个激光点火装置的激光束点燃时,成本增加 部分。 解决方案:用于点燃内燃机的燃烧室17中的空气燃料混合物的激光点火装置35包括:激光振荡器36,其产生具有圆形横截面的激光束; 圆锥形透镜40将具有圆形横截面的激光束转动成环形激光束; 以及球形透镜,其从所述环状激光束在所述燃烧室中形成环状焦点(a) 透镜移动部件50,55通过沿球轴方向移动球面透镜来改变焦点的形状和位置。 锥形透镜和球面透镜形成环形焦点,透镜移动部件改变焦点的形状和尺寸。 版权所有(C)2006,JPO&NCIPI
    • 17. 发明专利
    • Fuel injection valve
    • 燃油喷射阀
    • JP2007292035A
    • 2007-11-08
    • JP2006135591
    • 2006-05-15
    • Denso CorpNippon 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
    • MIZOBUCHI TAKASHISAITO KIMITAKAYAMAMOTO NORIOSO SHINSHUSAWAMURA MASAOUMASAKI MASATOSHI
    • F02B23/10F02M61/14F02M61/18
    • F02B23/104F02B2023/103F02B2075/125F02M61/182F02M61/1826F02M61/184F02M61/1846F02M61/1853Y02T10/123Y02T10/125
    • PROBLEM TO BE SOLVED: To efficiently utilize air in a cylinder while stabilizing mix of air in injection fuel in a fuel injection valve for directly injecting and supplying fuel into the cylinder. SOLUTION: The fuel injection valve 1 has an injection hole part 1a with a plurality of injection holes 51, for directly injecting the fuel into a space in the cylinder from the injection hole parts 1a from a cylinder head 3 side to a piston 4 side in the air cylinder of an internal combustion engine. The plurality of injection holes 51 are set so that a space area in the cylinder is set to be divided into separate spaces A, B, C including at least one virtual injection axial line 5y as a virtual center axis of injection spray injected from the injection holes 51 to an upper face 4a, a wall face 6a of the cylinder for inserting a piston and the separation spaces A, B, C commonly includes the injection hole part 1a and air-fuel ratios in the respective separation spaces A, B, C are set to be larger in a cylinder head side area than in a piston side area. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了有效地利用气缸中的空气,同时稳定燃料喷射阀中的喷射燃料中的空气的混合物,用于直接喷射和向气缸中供应燃料。 解决方案:燃料喷射阀1具有喷射孔部分1a,其具有多个喷射孔51,用于将燃料从喷射孔部分1a从气缸盖3侧直接喷射到气缸中的空间中至活塞 4侧在内燃机的气缸中。 多个喷射孔51被设定为使得气缸中的空间区域被设置为分开的空间A,B,C,其包括至少一个虚拟喷射轴线5y,作为从喷射喷射喷射的喷射喷射的虚拟中心轴线 孔51连接到上表面4a,用于插入活塞的气缸的壁面6a和分离空间A,B,C通常包括喷射孔部1a和各分离空间A,B,C中的空燃比 在气缸盖侧面积比活塞侧面积大。 版权所有(C)2008,JPO&INPIT
    • 18. 发明专利
    • Laser ignition device for internal combustion engine
    • 用于内燃机的激光点火装置
    • JP2006242034A
    • 2006-09-14
    • JP2005056267
    • 2005-03-01
    • Denso CorpNippon 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
    • MIZOBUCHI TAKASHITANI TAISHINYAMAMOTO NORIOSAITO KIMITAKA
    • F02P23/04F02P5/15F02P15/08
    • Y02T10/46
    • PROBLEM TO BE SOLVED: To provide a laser ignition device for an internal combustion engine preventing knocking, reducing NOx and coping with operation conditions of stratified combustion and swirl gas flow.
      SOLUTION: The laser ignition device is provided with a plurality of laser irradiating means 33a-33d arranged in a combustion chamber 15 of the internal combustion engine, irradiating laser to air fuel mixture and igniting the same, a first map storing ignitable positions in the combustion chamber, position change means 35, 37 changing focus position of laser of a plurality of the laser irradiating means based on the first map, and a timing control means 42 controlling irradiation timing of laser of a plurality of the laser irradiating means based on a second map storing ignition timing of ignition position.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种用于内燃机的激光点火装置,其防止爆震,减少NOx并且应对分层燃烧和涡流气流的操作条件。 解决方案:激光点火装置设置有多个设置在内燃机的燃烧室15中的激光照射装置33a-33d,将激光照射到空气燃料混合物并点燃激光照射装置,第一映射存储可点燃位置 在燃烧室中,基于第一映射改变多个激光照射单元的激光的聚焦位置的位置改变单元35,37,以及控制多个激光照射单元的激光的照射定时的定时控制单元42, 在存储着火位置点火正时的第二个地图上。 版权所有(C)2006,JPO&NCIPI