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    • 53. 发明申请
    • INDUSTRIAL VEHICLE
    • 工业车辆
    • US20130167521A1
    • 2013-07-04
    • US13822979
    • 2011-09-14
    • Megumu TsurutaKeiji ItoTakuya Nakada
    • Megumu TsurutaKeiji ItoTakuya Nakada
    • F15B13/00
    • F15B13/00B66F9/22F15B2211/50518F15B2211/50536
    • A forklift (1) according to the present invention includes: an engine (7); a hydraulically-operated device for cargo handling (2); a pump for cargo handling (5) that is driven by the engine (7); hydraulic piping for cargo handling (8) that connects the pump for cargo handling (5) and the hydraulically-operated device for cargo handling (2); discharge piping (110) that branches from the hydraulic piping for cargo handling (8) and is connected to a tank (4); a switching valve (111) capable of switching the opening and closing of the discharge piping (110); a control device (13) that closes the discharge piping (110) when the rotation speed of the engine (7) is larger than a predetermined value, and opens the discharge piping (110) when the rotation speed of the engine (7) is less than or equal to a predetermined value; and a sub-relief valve (112) that adjusts the flow rate of hydraulic oil that is discharged from the discharge piping (110) to the tank (4), on the bases of the pressure or the flow rate of the hydraulic oil.
    • 根据本发明的叉车(1)包括:发动机(7); 用于货物处理的液压操作装置(2); 用于由发动机(7)驱动的用于货物处理(5)的泵; 用于货物处理的液压管道(8),用于连接用于货物处理的泵(5)和用于货物处理的液压操作装置(2); 从用于货物处理的液压管道(8)分支并连接到罐(4)的排放管道(110); 能够切换排出管道(110)的打开和关闭的切换阀(111); 当发动机(7)的转速大于预定值时关闭排放管道(110)的控制装置(13),并且当发动机(7)的转速为 小于或等于预定值; 以及基于液压油的压力或流量调节从排出管道(110)排放到罐(4)的液压油的流量的子安全阀(112)。
    • 55. 发明授权
    • Ridge-stripe semiconductor laser
    • 脊条半导体激光器
    • US07564884B1
    • 2009-07-21
    • US11524277
    • 2006-09-21
    • Keiji ItoIsao KidoguchiHiroyoshi Yajima
    • Keiji ItoIsao KidoguchiHiroyoshi Yajima
    • H01S5/00
    • H01S5/028B82Y20/00H01S5/0287H01S5/0425H01S5/16H01S5/2214H01S5/34333
    • A laminated composite includes: a 1st-conductive-type cladding layer laid on a substrate; an active layer laid on the 1st-conductive-type cladding layer; and a ridge-stripe 2nd-conductive-type cladding layer laid on the active layer. A pair of films is disposed at the end faces of the laminated composite so as to oppose each other along the lamination direction. The paired films are formed to have different spectral reflectances from each other. The resonator structure is formed with the laminated composite and the paired films. When, in the length direction of the resonator, a side with one of the paired films which has a smaller spectral reflectance is the forward side and a side with the other film having a larger spectral reflectance is the backward side, the laminated composite is structured so that the optical confinement factor becomes smaller on the forward side than on the backward side.
    • 层压复合体包括:第一导电型包覆层,其设置在基板上; 位于第1导电型包覆层上的有源层; 和设置在有源层上的脊条第二导电型覆层。 一层薄膜配置在叠层复合材料的端面上,以沿层叠方向彼此相对。 成对的膜被形成为具有彼此不同的光谱反射率。 谐振器结构由层压复合材料和成对薄膜形成。 当在谐振器的长度方向上,具有较小光谱反射率的成对膜中的一个的一侧是前侧,并且具有较大光谱反射率的另一个膜的一侧为后侧时,层叠复合体的结构 使得光学约束因子在前侧比在后侧变小。
    • 57. 发明授权
    • Semiconductor laser
    • 半导体激光器
    • US07301979B2
    • 2007-11-27
    • US10825407
    • 2004-04-14
    • Keiji ItoIsao KidoguchiToru TakayamaOsamu Imafuji
    • Keiji ItoIsao KidoguchiToru TakayamaOsamu Imafuji
    • H01S5/00
    • B82Y20/00H01S5/028H01S5/0655H01S5/1014H01S5/2214H01S5/2231H01S5/34333H01S2301/18H01S2304/04
    • A semiconductor laser device of the present invention includes: a first conductivity type cladding layer; an active layer; and a second conductivity type cladding layer, which are on a substrate. The semiconductor laser device further includes a stripe structure for injecting carriers therein. A width of the stripe is wider at a front end face of a resonator from which laser light is emitted than at a rear end face that is located on an opposite side of the front end face, and a reflectance of the front end face is lower than a reflectance of the rear end face. With this configuration, the injection of carriers into an active layer can be controlled in accordance with an optical intensity distribution along the resonator direction within the semiconductor laser, thus achieving a decrease in threshold current, an enhancement of a slope efficiency and an enhancement of a kink level. As a result, the semiconductor laser device can be provided so that stable laser oscillation in the fundamental transverse mode can be realized up to the time of a high optical output operation.
    • 本发明的半导体激光器件包括:第一导电型包覆层; 活性层 和第二导电型包覆层。 半导体激光装置还包括用于在其中注入载体的条纹结构。 在发射激光的谐振器的前端面上的宽度比位于前端面相对侧的后端面宽,并且前端面的反射率较低 比后端面的反射率高。 利用这种配置,可以根据沿着半导体激光器内的谐振器方向的光强度分布来控制载流子进入有源层,从而实现阈值电流的降低,斜率效率的提高和 扭结水平 结果,可以提供半导体激光器件,使得可以在高光输出操作时实现在基本横向模式下的稳定的激光振荡。
    • 60. 发明授权
    • Purification catalyst for internal combustion engine exhaust gas
    • 内燃机废气净化催化剂
    • US06713429B1
    • 2004-03-30
    • US09461415
    • 1999-12-16
    • Masakazu TanakaYosiyasu AndouKeiji ItoTakahiro Kida
    • Masakazu TanakaYosiyasu AndouKeiji ItoTakahiro Kida
    • B01J2104
    • F01N3/2828Y02A50/2322
    • A purification catalyst for exhaust gas is provided that uses a hexagonal cell monolithic carrier which is able to demonstrate purification performance that is superior to the case of using a square cell monolithic carrier. This purification catalyst for exhaust gas comprises a monolithic carrier (10) provided with hexagonal cells (15) of 200 cells/in2 or more in which the porosity of partition walls (11) that form the cells (15) is 25% or more; and, a catalyst layer (2) arranged on the surface of the partition walls (11) of the monolithic carrier (10) that contains a catalyst component for purification of exhaust gas. The thickness of catalyst layer (2) is 10-70 &mgr;m at its thin portion (21), and its thick portion (22) has a thickness of no more than 12 times that of thin portion (21).
    • 提供了一种废气净化催化剂,其使用能够表现出优于使用方形电池单片载体的情况的纯化性能的六边形单元整体载体。 这种废气净化催化剂包括一个整体式载体(10),该整体载体(10)具有200个/ in 2或更多的六边形单元(15),其中形成单元(15)的隔壁(11)的孔隙率为25% 或者更多; 以及布置在整体式载体(10)的分隔壁(11)的表面上的催化剂层(2),其包含用于净化废气的催化剂组分。 催化剂层(2)的厚度在其薄部分(21)为10-70μm,其厚部分(22)的厚度不超过薄部分(21)的厚度的12倍。