Flow equivalence of reducible shifts of finite type and Cuntz-Krieger algebras.
Flow equivalence of reducible shifts of finite type and Cuntz-Krieger algebras.
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有限型和 Cuntz-Krieger 代数的可约平移的流等价。
DOI：
10.1515/crll.1995.462.185
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发表时间：
1995
期刊：
影响因子：
--
通讯作者：
Danrun Huang
中科院分区：
文献类型：
--
作者：
Danrun Huang
一种轴密封装置，用于围绕可旋转轴安装，以防止沿着轴泄漏，该轴密封装置具有壳体，该壳体具有固定端板和可动压盖随动件，用于围绕轴限定填料函。一个或多个填料组件在填料箱中彼此轴向相邻地定位。每个密封组件具有环绕轴的可压缩密封件、环绕可压缩密封件的流体填充的弹性压缩圆环或环以及邻近可压缩密封件和压缩环围绕轴定位的轴向可移动间隔件。间隔件可以是中空的，具有用于使冷却剂流体循环通过的输入端口和出口端口。间隔件还可以具有径向通道，该径向通道通向轴的表面，由此润滑剂可以施加到轴。压盖随动件对填料组件施加恒定的轴向力。
A shaft sealing apparatus for attachment about a rotatable shaft for preventing leakage along the shaft, has a housing with a fixed end plate and a movable gland follower for defining a stuffing box about the shaft. One or more packing assemblies are positioned axially adjacent one another in the stuffing box. Each packing assembly has a compressible packing encircling the shaft, a fluid filled elastomeric compression torus or ring encircling the compressible packing and an axially movable spacer positioned around the shaft adjacent the compressible packing and the compression ring. The spacer may be hollow with an input and exit port for circulating a coolant fluid therethrough. The spacer may also have a radial passageway which is opened to the surface of the shaft whereby lubricant can be applied to the shaft. The gland follower exerts a constant axial force on the packing assemblies.