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    • 8. 发明申请
    • Hydraulic Actuator Unit
    • 液压执行机构
    • US20110088545A1
    • 2011-04-21
    • US12732837
    • 2010-03-26
    • Kengo SasaharaToshifumi YasudaMinoru KamadaMasaaki InoueTakashi NishizawaFumitoshi IshinoMasaya ItouShinichi HiroseJun MatsuuraRyota Iwaibara
    • Kengo SasaharaToshifumi YasudaMinoru KamadaMasaaki InoueTakashi NishizawaFumitoshi IshinoMasaya ItouShinichi HiroseJun MatsuuraRyota Iwaibara
    • F04B1/32F01B3/02
    • F04B1/20B60Y2200/223F04B1/295F04B1/324F04B53/22F16H61/435
    • In the hydraulic actuator unit according to the present invention, a first electric motor assembly formed by mounting one of a pair of electric motors to one of a pair of electric motor covers is detachably mounted to a pump case so as to rotate a first control shaft around its axis line, and a second electric motor assembly formed by mounting the other one of the pair of electric motors to the other one of the pair of electric motor covers is detachably mounted to the pump case so as to rotate a second control shaft around its axis line. The first electric motor assembly is mounted to the pump case so that the corresponding electric motor has a rotational axis line in parallel with the first pump shaft in a state where the electric motor is positioned on an opposite side to the second control shaft with respect to the first control shaft and is also positioned on an opposite side to a first end of a first pump shaft with respect to a virtual plane that passes through the axis lines of the first and second control shafts. The second electric motor assembly is mounted to the pump case at a posture obtained by rotating the first electric motor assembly by 180 degrees about a virtual center line that is disposed in parallel with the first and second control shafts and is located at a center between the first and second control shafts, thereby the electric motor is positioned on an opposite side to a cooling fan, which is driven by the second end of the second pump shaft, with respect to the virtual plane.
    • 在根据本发明的液压致动器单元中,通过将一对电动机中的一个安装到一对电动机盖中的一个而形成的第一电动机组件可拆卸地安装到泵壳体上,以使第一控制轴 围绕其轴线,并且通过将一对电动机中的另一个安装到一对电动机盖中的另一个而形成的第二电动机组件可拆卸地安装到泵壳体上,以使第二控制轴旋转 其轴线。 第一电动机组件安装到泵壳体,使得相应的电动机在电动机相对于第二控制轴的相对侧相对于第二控制轴定位的状态下具有与第一泵轴平行的旋转轴线 第一控制轴并且相对于穿过第一和第二控制轴的轴线的虚拟平面也位于与第一泵轴的第一端相反的一侧。 第二电动机组件以通过使第一电动机组件围绕与第一和第二控制轴平行设置的虚拟中心线旋转180度而获得的姿态安装到泵壳体,并且位于第二电动机组件之间的中心 第一和第二控制轴,由此电动机相对于虚拟平面位于与由第二泵轴的第二端驱动的冷却风扇的相反侧。
    • 10. 发明申请
    • Optical semiconductor device and method of manufacturing the same
    • 光半导体装置及其制造方法
    • US20070295977A1
    • 2007-12-27
    • US11896154
    • 2007-08-30
    • Shinichi HiroseTatsuya Usuki
    • Shinichi HiroseTatsuya Usuki
    • H01L33/00H01L21/00
    • H01S5/34B82Y10/00B82Y20/00H01L33/385H01S5/0425H01S5/3412Y10S438/962Y10S977/774Y10S977/932
    • Provided is an optical semiconductor device, which includes a GaAs substrate (or a semiconductor substrate) 20; an n-type contact layer (or a doping layer) 21 formed on one surface 20a of the GaAs substrate 20; an active layer 25 formed on top of the n-type contact layer 21 and including at least one quantum dot 23; a p-type contact layer (or a contact layer) 26 formed on top of the active layer 25 and being of an opposite conduction type to the n-type contact layer 21; an insulating layer 29 formed on top of the p-type contact layer 26 and including a first opening 29a whose size is such that a contact region CR of the p-type contact layer 26 lies within the first opening 29a; a p-side electrode layer 33c formed on top of the contact region CR of the p-type contact layer 26 and on top of the insulating layer 29 and including a second opening 33a lying within the first opening 29a; and a n-side electrode layer (or a second electrode layer) 37 formed on the other surface 20b of the GaAs substrate 20.
    • 提供了包括GaAs衬底(或半导体衬底)20的光学半导体器件; 形成在GaAs衬底20的一个表面上的n型接触层(或掺杂层)21; 形成在n型接触层21的顶部并且包括至少一个量子点23的有源层25; 形成在有源层25顶部并且与n型接触层21具有相反导电型的p型接触层(或接触层)26; 形成在p型接触层26的顶部上的绝缘层29,包括第一开口29a,第一开口29a的尺寸使得p型接触层26的接触区域CR位于第一开口29a内; p型电极层33c,其形成在p型接触层26的接触区域CR的顶部和绝缘层29的顶部上,并且包括位于第一开口部21a内的第二开口部33a; 以及形成在GaAs衬底20的另一个表面20b上的n侧电极层(或第二电极层)37。