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    • 54. 发明授权
    • PEN-TYPE PRESSURE INDICATOR FOR AIR COMPRESSOR
    • 用于空气压缩机的笔式压力指示器
    • EP2995921B1
    • 2017-09-13
    • EP15185142.5
    • 2015-09-14
    • Chou, Wen-San
    • Chou, Wen-San
    • G01L7/16G01L19/10F04B49/10
    • F04B51/00F04B33/005F04B35/01F04B35/04F04B39/12F04B39/121F04B49/08F04B49/10G01L7/16G01L7/163G01L7/166G01L19/08G01L19/10
    • A pen-type pressure indicator, which can be detachably connected to an air compressor for measuring the pressure of compressed air produced in the air compressor, includes a transparent tube and a slider. The slider can be moved along a first bore and a second bore of the transparent tube. The motion of the slider in the transparent tube is similar to the motion of a piston in a cylinder. The transparent tube is provided with a tapered annular surface, between the first bore and the second bore. In addition to measuring the pressure of the compressed air delivered to an object, when the pressure of the compressed air exceeds a predetermined pressure, excessive air can be released into the environment, without requiring the air compressor to be installed with a safety valve, so that the object can be protected from damages due to overpressure.
    • 笔式压力指示器可拆卸地连接到空气压缩机以测量在空气压缩机中产生的压缩空气的压力,该笔式压力指示器包括透明管和滑块。 滑块可以沿透明管的第一孔和第二孔移动。 滑块在透明管中的运动类似于缸中活塞的运动。 透明管在第一孔和第二孔之间设有锥形环形表面。 除了测量输送到物体的压缩空气的压力之外,当压缩空气的压力超过预定压力时,过量的空气可以释放到环境中,而不需要空气压缩机安装有安全阀,因此 可以保护物体不受超压造成的损坏。
    • 57. 发明公开
    • Gauge having a magnetically driven pointer rotation device
    • Anzeigeinstrument mit magnetisch angetriebenem Rotationszeiger
    • EP1621861A1
    • 2006-02-01
    • EP05254735.3
    • 2005-07-28
    • Dwyer Instruments, Inc.
    • Buchanan, Steven O.
    • G01L9/14G01D13/22
    • G01L19/08G01D13/22G01L7/08G01L9/14
    • A gauge for indicating a measured variable such as pressure. The gauge includes a motion detection device including a drive magnet that is adapted to be moveable in response to changes in the variable. The pointer rotation device includes a pivot member, a power magnet coupled to the pivot member, and one or more director members located adjacent the power magnet. Each director member includes a generally helical flange. A pointer is coupled to the pointer rotation device. The director members and the power magnet form a magnetic field adapted to magnetically couple the pointer rotation device to the drive magnet. The pointer rotation device is adapted to rotate about a rotational axis. Movement of the drive magnet in response to changes in the variable rotates the pointer rotation device and the pointer about the rotational axis such that the pointer indicates the measured variable.
    • 用于指示诸如压力的测量变量的量规。 测量仪包括运动检测装置,其包括适于响应于变量的变化而可移动的驱动磁体。 指针旋转装置包括枢转构件,联接到枢转构件的动力磁体和邻近功率磁体定位的一个或多个导向构件。 每个导向件包括一个大致螺旋的凸缘。 指针耦合到指针旋转装置。 导向件和功率磁铁形成一个适于将指针旋转装置磁耦合到驱动磁体的磁场。 指针旋转装置适于围绕旋转轴线旋转。 响应于变量的变化,驱动磁体的移动使指针旋转装置和指针围绕旋转轴旋转,使得指针指示测量的变量。