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    • 41. 发明授权
    • Labyrinth sealing device, and fluid machine providing the same
    • 迷宫式密封装置,以及提供相同的流体机械
    • US06435822B1
    • 2002-08-20
    • US09864148
    • 2001-05-25
    • Hiromi KobayashiHideo NishidaHaruo MiuraTakashi EinoKazuki Takahashi
    • Hiromi KobayashiHideo NishidaHaruo MiuraTakashi EinoKazuki Takahashi
    • F04D2908
    • F04D29/102F04D29/106F04D29/162F04D29/167
    • In a fluid machine such as multistage centrifugal compressor, the pressure of a working fluid is raised with the rotation of a impeller. A shaft sealing device is mounted at the end of the rotary shaft in order to prevent the working gas of the raised pressure from leaking out of the fluid machine and then polluting the surroundings. In a case where the fluid machine operates to rotate at high speed, a labyrinth sealing device is employed for the purpose of reducing a frictional loss in the shaft sealing device. The labyrinth sealing device includes a plurality of stages of labyrinth fins which are formed on a casing or the rotary shaft, and a layer of abradable coating to-be-bitten which is formed in the surface part of the rotary shaft or the casing opposing to the labyrinth fins. The clearances between the labyrinth fins and the rotary shaft or the casing are made narrower on the low-pressure side of the labyrinth sealing device than on the high-pressure side thereof. Thus, the fluid machine is run with the minimum clearance. Moreover, even when the coating layer has been lost in touch with the labyrinth fin or by peeling off, the labyrinth fin on the low-pressure side acts as a labyrinth seal.
    • 在诸如多级离心压缩机的流体机器中,随着叶轮的旋转,工作流体的压力升高。 轴密封装置安装在旋转轴的端部,以防止升高的压力的工作气体从流体机器泄漏,然后污染周围环境。 在流体机械高速旋转的情况下,为了减少轴封装置的摩擦损失,采用迷宫式密封装置。 迷宫式密封装置包括形成在壳体或旋转轴上的多级迷宫式散热片和形成在旋转轴的表面部分或与壳体相对的壳体上的可磨损涂层层 迷宫鳍。 迷宫式散热片与旋转轴或壳体之间的间隙在迷宫型密封装置的低压侧比在其高压侧更窄。 因此,流体机器以最小间隙运行。 此外,即使当涂层与迷宫式翅片相接触或剥离时,低压侧的迷宫式翼片也作为迷宫式密封件。
    • 42. 发明授权
    • Labyrinth sealing device, and fluid machine providing the same
    • 迷宫式密封装置,以及提供相同的流体机械
    • US06302645B1
    • 2001-10-16
    • US09505191
    • 2000-02-16
    • Hiromi KobayashiHideo NishidaHaruo MiuraTakashi EinoKazuki Takahashi
    • Hiromi KobayashiHideo NishidaHaruo MiuraTakashi EinoKazuki Takahashi
    • F04D2908
    • F04D29/102F04D29/106F04D29/162F04D29/167
    • In a fluid machine such as multistage centrifugal compressor, the pressure of a working fluid is raised with the rotation of a impeller. A shaft sealing device is mounted at the end of the rotary shaft in order to prevent the working gas of the raised pressure from leaking out of the fluid machine and then polluting the surroundings. In a case where the fluid machine operates to rotate at high speed, a labyrinth sealing device is employed for the purpose of reducing a frictional loss in the shaft sealing device. The labyrinth sealing device includes a plurality of stages of labyrinth fins which are formed on a casing or the rotary shaft, and a layer of abradable coating to-be-bitten which is formed in the surface part of the rotary shaft or the casing opposing to the labyrinth fins. The clearances between the labyrinth fins and the rotary shaft or the casing are made narrower on the low-pressure side of the labyrinth sealing device than on the high-pressure side thereof. Thus, the fluid machine is run with the minimum clearance. Moreover, even when the coating layer has been lost in touch with the labyrinth fin or by peeling off, the labyrinth fin on the low-pressure side acts as a labyrinth seal.
    • 在诸如多级离心压缩机的流体机器中,随着叶轮的旋转,工作流体的压力升高。 轴密封装置安装在旋转轴的端部,以防止升高的压力的工作气体从流体机器泄漏,然后污染周围环境。 在流体机械高速旋转的情况下,为了减少轴封装置的摩擦损失,采用迷宫式密封装置。 迷宫式密封装置包括形成在壳体或旋转轴上的多级迷宫式散热片和形成在旋转轴的表面部分或与壳体相对的壳体上的可磨损涂层层 迷宫鳍。 迷宫式散热片与旋转轴或壳体之间的间隙在迷宫型密封装置的低压侧比在其高压侧更窄。 因此,流体机器以最小间隙运行。 此外,即使当涂层与迷宫式翅片相接触或剥离时,低压侧的迷宫式翼片也作为迷宫式密封件。
    • 43. 发明授权
    • Centrifugal compressor and diffuser for centrifugal compressor
    • 离心压缩机离心压缩机和扩散器
    • US06203275B1
    • 2001-03-20
    • US09142013
    • 1998-08-31
    • Hiromi KobayashiHideo NishidaKazuki TakahashiTakashi Eino
    • Hiromi KobayashiHideo NishidaKazuki TakahashiTakashi Eino
    • F04D2944
    • F04D29/444F04D17/122
    • In a multi-stage centrifugal compressor, having a plurality of impellers mounted on a rotation shaft, or a single-stage centrifugal compressor, a vaned diffuser, having a plurality of vanes, is mounted at a downstream side of the impeller, and a vaneless diffuser portion is formed downstream of this vaned diffuser. A meridian plane cross-sectional shape of each of two wall surfaces forming the vaneless diffuser portion provided downstream of the vaned diffuser is such that its channel height is decreased progressively in a downstream direction. Instead of this vaneless diffuser, there can be provided a second vaned diffuser having a small number of vanes. In this case, also, two wall surfaces, forming the second vaned diffuser, are contracted progressively in the downstream direction.
    • 在具有安装在旋转轴上的多个叶轮或单级离心式压缩机的多级离心压缩机中,具有多个叶片的叶片式扩散器安装在叶轮的下游侧,并且无叶 扩散器部分形成在该扩散器的下游。 形成设在叶片扩散器下游的无叶漫射器部分的两个壁面中的每一个的子午线截面形状使得其通道高度沿下游方向逐渐减小。 代替这种无叶漫射器,可以提供具有少量叶片的第二扇形扩散器。 在这种情况下,形成第二叶片式扩散器的两个壁面也在下游方向逐渐收缩。
    • 44. 发明授权
    • Control circuit for automobile headlamps emitting light in variable color
    • 汽车前大灯控制电路,可变色发光
    • US5528475A
    • 1996-06-18
    • US360091
    • 1994-12-20
    • Kazuki TakahashiMakoto IzawaToshihisa HayamiHideki UchidaTakayuki Unno
    • Kazuki TakahashiMakoto IzawaToshihisa HayamiHideki UchidaTakayuki Unno
    • B60Q1/076B60Q1/00
    • B60Q1/076Y10S362/802
    • A control circuit for automobile headlamps which emit light in variable color. The control circuit prevents left and right headlamps from emitting beams of light in different colors. Each headlamp includes a white light bulb, and a yellow globe is moved from a first position to a second position to cover the bulb when yellow light is selected, and the yellow globe is moved back to the first position when white light is selected. If the movement of the globe stops between the first and second positions, the control circuit generates a fault signal for turning off the headlamp associated with the fault, thus preventing the headlamps from emitting light of different colors. Alternatively, the control circuit can adjust the position of the globe for the headlamp without the fault to be in agreement with the position with the headlamp having the fault, such that both headlamps emit light of the same color.
    • 用于以可变颜色发光的汽车前大灯的控制电路。 控制电路防止左右前照灯发出不同颜色的光束。 每个前照灯包括一个白色灯泡,当选择黄色光时,黄色球体从第一位置移动到第二位置以覆盖灯泡,并且当选择白光时,黄色球体移回到第一位置。 如果地球的移动停止在第一和第二位置之间,则控制电路产生用于关闭与故障相关的前照灯的故障信号,从而防止前照灯发出不同颜色的光。 或者,控制电路可以调整头灯的球形灯的位置,而不会发生故障,使其与具有故障的前照灯的位置一致,使得两个前照灯都发出相同颜色的光。
    • 48. 发明申请
    • Restriction System
    • 限制系统
    • US20150215535A1
    • 2015-07-30
    • US14164084
    • 2014-01-24
    • Kazuki Takahashi
    • Kazuki Takahashi
    • H04N5/232H04N5/225
    • H04N5/2254G03B11/04
    • A restriction system selectively restricts a camera on a communication device from recording an image. The system includes a barrier portion that engages the camera. The barrier portion moves along a camera proximal area to better engage the camera. The barrier portion moves in front of the camera to at least partially restrict the camera view and create a blocked position. The barrier portion also moves away from the camera view to enable the camera to record an image, in an open position. At least one barrier fastener helps secure a mounting surface on the barrier to the camera proximal area. A front surface of the barrier displays a decorative indicia. While in the open position an alert portion, such as colored stones, displays to signal that the camera is operable to capture images. This serves as a visual reminder. The alert portion is covered in the blocked position.
    • 限制系统选择性地限制通信设备上的相机记录图像。 该系统包括接合照相机的屏障部分。 屏障部分沿相机近端区域移动以更好地接合相机。 屏障部分在相机前移动以至少部分地限制相机视图并创建阻挡位置。 屏障部分也远离相机视图移动,以使照相机能够将图像记录在打开位置。 至少一个阻挡件有助于将屏障上的安装表面固定到相机近侧区域。 屏障的前表面显示装饰标记。 当处于打开位置时,诸如彩色石头的警报部分显示以指示照相机可操作地捕获图像。 这作为视觉提醒。 警报部分被覆盖在阻止位置。