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    • 1. 发明申请
    • VALVE TIMING CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
    • 内燃机用时间控制装置
    • US20130206087A1
    • 2013-08-15
    • US13611683
    • 2012-09-12
    • Ryo TADOKORONaoki KokuboAtsushi YamanakaShinichi Kawada
    • Ryo TADOKORONaoki KokuboAtsushi YamanakaShinichi Kawada
    • F01L1/344
    • F01L1/352F01L2250/02F01L2820/032F16C19/54
    • A valve timing control apparatus for an internal combustion engine, including a drive rotation member, a follower rotation member, an electric motor, and a speed reducer including an internal gear portion, an eccentric cam on an inner peripheral side of the internal gear portion, rollers disposed between the internal gear portion and the eccentric cam, and a cage rotatable relative to the internal gear portion by rotation of the eccentric cam. A motor output shaft is arranged in series relative to the eccentric cam in an axial direction thereof. A needle bearing is rollably disposed on a part of an outer peripheral surface of the follower rotation member. The eccentric cam and the motor output shaft are press-fitted onto an outer peripheral portion of the needle bearing. The needle bearing extends over both the eccentric cam and the motor output shaft.
    • 一种用于内燃机的气门正时控制装置,包括驱动旋转构件,从动旋转构件,电动马达和包括内齿轮部的减速器,内齿轮部的内周侧的偏心凸轮, 设置在内齿轮部分和偏心凸轮之间的滚子以及通过偏心凸轮的旋转相对于内齿轮部分旋转的保持架。 马达输出轴相对于偏心凸轮在其轴向方向上串联布置。 滚针轴承可滚动地设置在从动旋转构件的外周面的一部分上。 偏心凸轮和马达输出轴被压配合到滚针轴承的外周部分上。 滚针轴承在偏心凸轮和马达输出轴之间延伸。
    • 2. 发明授权
    • Variable valve timing control apparatus of internal combustion engine
    • 内燃机可变气门正时控制装置
    • US08752515B2
    • 2014-06-17
    • US13443927
    • 2012-04-11
    • Atsushi YamanakaNaoki KokuboRyo TadokoroShinichi Kawada
    • Atsushi YamanakaNaoki KokuboRyo TadokoroShinichi Kawada
    • F01L1/14
    • F01L1/352F01L2820/032
    • A variable valve timing control apparatus has a drive rotary member, a driven rotary member fixed to a camshaft, an electric motor relatively rotating a motor drive shaft with respect to the drive rotary member, a speed reduction mechanism transmitting rotation of the motor drive shaft to the driven rotary member a housing connected integrally with the drive rotary member and housing therein the electric motor, a cover member fixed to an engine so as to cover at least a front end part of the housing, a power feed mechanism having a slip ring and a power-feed brush that touches the slip ring and feeding power to the electric motor, and a ring-shaped member. The ring-shaped member is fixed to either one side of the cover member and the motor drive shaft, and makes sliding contact with the other side of the cover member and the motor drive shaft.
    • 可变气门正时控制装置具有驱动旋转构件,固定到凸轮轴的从动旋转构件,相对于驱动旋转构件相对旋转电动机驱动轴的电动机,将电动机驱动轴的旋转传递到 所述从动旋转构件与所述驱动旋转构件一体地连接并且容纳在所述电动机中的壳体,固定到发动机以覆盖所述壳体的至少前端部的盖构件,具有滑环的动力供给机构, 接触滑环并向电动机供电的供电刷和环形构件。 环状构件固定在盖构件和电动机驱动轴的一侧,并与盖构件和电动机驱动轴的另一侧滑动接触。
    • 3. 发明申请
    • VARIABLE VALVE ACTUATION APPARATUS OF INTERNAL COMBUSTION ENGINE
    • 内燃机可变阀门执行装置
    • US20110265747A1
    • 2011-11-03
    • US13078023
    • 2011-04-01
    • Ryo TADOKOROAtsushi YamanakaShinichi Kawada
    • Ryo TADOKOROAtsushi YamanakaShinichi Kawada
    • F01L1/344B21D51/16
    • F01L1/344F01L2101/00F01L2105/00Y10T29/49405
    • In a variable valve actuation apparatus with a speed reducer between a timing sprocket and a camshaft for changing a phase of the camshaft relative to the sprocket, while reducing normal-rotation/reverse-rotation of an electric motor, the speed reducer includes an eccentric rotation member connected to an output shaft of the motor, an annular member connected to the sprocket, a plurality of rollers installed between an inner toothed portion of the annular member and an outer peripheral surface of the eccentric rotation member, and a cage connected to the camshaft for circumferentially partitioning the respective rollers, while permitting a radial displacement of each roller. Depending on a dimension of a clearance space between the eccentric rotation member and the annular member, a suitable one of a plurality of roller sets, each having a different outside diameter, is selected, and then the selected rollers are installed.
    • 在减速器在正时链轮和凸轮轴之间具有用于改变凸轮轴相对于链轮的相位的减速器的可变气门致动装置中,在减小电动机的正常旋转/反向旋转的同时,减速器包括偏心旋转 连接到电动机的输出轴的构件,连接到链轮的环形构件,安装在环形构件的内齿部分和偏心旋转构件的外周表面之间的多个辊以及连接到凸轮轴的保持架 用于周向地分隔相应的辊,同时允许每个辊的径向位移。 根据偏心旋转构件和环形构件之间的间隙的尺寸,选择每个具有不同外径的多个辊组中的合适的一个,然后安装所选择的辊。
    • 7. 发明授权
    • Optical device and head-mounted display using said optical device
    • 使用所述光学装置的光学装置和头戴式显示器
    • US06304303B1
    • 2001-10-16
    • US09330196
    • 1999-06-11
    • Atsushi Yamanaka
    • Atsushi Yamanaka
    • G02F11335
    • G02B27/28G02B5/30G02B5/3016G02B27/0172G02B2027/0132G02B2027/0178
    • The present invention is directed to provide a thin and light optical device for observing visual information with a large angle of visual field and a head-mount display (HMD) using said optical device. An optical device according to the present invention comprises a refracting means consisting of a refracting element with half-mirror coating and a circularly polarized light selecting semitransparent mirror, which are disposed in the described order from the incident side. The circularly polarized light selecting semitransparent mirror consists of a quarter-wave plate, a half-mirror and a polarizer or cholesteric liquid crystal, which are disposed in the described order from the incident side. A thin and high-magnification optical system is obtained by using the circularly polarized light selecting semitransparent mirror that first reflects incident light in a clockwise circularly polarized fashion and allows the counterclockwise circularly polarized light having made 1.5 round trips to pass without being reflected. A head-mount display (HMD) according to the present invention includes a liquid crystal display (LCD), a back light for the LCD and the above-mentioned optical device for magnifying an image of the LCD.
    • 本发明旨在提供一种用于使用所述光学装置观察具有大视角的视觉信息和头戴式显示器(HMD)的薄且轻的光学装置。 根据本发明的光学装置包括由具有半透明反射涂层的折射元件和圆偏振光选择半透明镜组成的折射装置,其从入射侧以所述顺序设置。 圆偏振光选择半透明反射镜由四分之一波片,半反射镜和偏振片或胆甾醇型液晶构成,其从入射侧以所述顺序设置。 通过使用首先以顺时针圆偏振方式反射入射光的圆偏振光选择半透明反射镜获得薄且高倍率的光学系统,并且允许具有1.5次往返行进的逆时针圆偏振光通过而不被反射。 根据本发明的头戴显示器(HMD)包括液晶显示器(LCD),用于LCD的背光和用于放大LCD的图像的上述光学装置。