Mechanical seal with blade-like sealing end
    1.
    发明授权
    Mechanical seal with blade-like sealing end 失效
    机械密封,带刀片密封端

    公开(公告)号:US5501471A

    公开(公告)日:1996-03-26

    申请号:US247120

    申请日:1994-05-20

    IPC分类号: F16J15/34

    CPC分类号: F16J15/3464 Y10S277/91

    摘要: The present invention relates to a mechanical seal for a shaft, having a rotary seal ring and a stationary seal ring which slide on and come in contact with each other for sealing a fluid. A blade-like sealing end portion formed at one seal ring is resiliently pressed, through a coil spring or a flat leaf spring, to a flat sealing end surface formed at the other seal ring. The blade-like sealing end portion is symmetrical at the inner and outer peripheral surfaces thereof with respect to the edge surface thereof, and the angles formed by the inner and outer peripheral surfaces of the sealing end portion with respect to the edge surface thereof are set to 90.degree. or more, and preferably in the range from 105.degree. to 150.degree.. This facilitates the machining of the sealing end portion and prevents the sealing end portion from being broken, thus assuring a stable sealing performance for a long period of time. Further, the spring surface pressure is increased to assure an excellent sealing performance even though the pressure greatly varies.

    摘要翻译: 本发明涉及一种用于轴的机械密封件,其具有旋转密封环和彼此滑动并相互接触以密封流体的固定密封环。 形成在一个密封环处的叶片状密封端部通过螺旋弹簧或平板弹簧弹性地压制到形成在另一密封环上的平坦的密封端面。 叶片状密封端部在其内周面和外周面相对于其边缘面对称,并且由密封端部的内周面和外周面相对于其边缘面形成的角度被设定 至90°以上,优选为105°〜150°。 这有利于密封端部的加工,并且防止密封端部被破坏,从而长期保证稳定的密封性能。 此外,即使压力大大变化,弹簧表面压力也增加以确保优异的密封性能。

    Distributed data processing system having front-end and back-end
computers with different operating systems
    2.
    发明授权
    Distributed data processing system having front-end and back-end computers with different operating systems 失效
    具有不同操作系统的前端和后端计算机的分布式数据处理系统

    公开(公告)号:US5471615A

    公开(公告)日:1995-11-28

    申请号:US263954

    申请日:1994-06-22

    CPC分类号: G06F15/161

    摘要: A distributed data processing system is provided in which two computers, each running under a different operating system, are coupled so that jobs initiated by a first one of the computers can be executed on a second computer by using the resources of the second computer. This enables the user of the first computer to use the second computer under the environment of the first computer. The first computer acts as the interface between the user and the data processing system. Service programs running on the system can handle or provide for input/output operations during the execution of jobs on the second computer so that the jobs seem to the user of the first computer to be executed on the first computer. The system has means for creating a dummy file in the file system of one operating system which is used as a place holder for a corresponding file in a storage device attached to the other operating system, and accessed by programs controlled by that other operating system.

    摘要翻译: 提供了一种分布式数据处理系统,其中每个运行在不同操作系统下的两台计算机被耦合,使得由第一计算机启动的作业可以通过使用第二计算机的资源在第二计算机上执行。 这使得第一计算机的用户能够在第一计算机的环境下使用第二计算机。 第一台计算机充当用户和数据处理系统之间的接口。 在第二计算机上执行作业期间,在系统上运行的服务程序可以处理或提供输入/输出操作,使得第一计算机的用户似乎在第一计算机上执行作业。 该系统具有用于在一个操作系统的文件系统中创建虚拟文件的装置,该操作系统被用作连接到另一个操作系统的存储设备中的对应文件的占位符,并由该另一个操作系统控制的程序访问。