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DRY-RUNNING PISTON ROD SEALING ARRANGEMENT, AND METHOD FOR SEALING A PISTON ROD USING ONE SUCH ARRANGEMENT
DRY-RUNNING PISTON ROD SEALING ARRANGEMENT, AND METHOD FOR SEALING A PISTON ROD USING ONE SUCH ARRANGEMENT
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机译:干运转活塞杆密封装置,以及使用一种这样的布置来密封活塞杆的方法
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摘要
The invention relates to a dry-running piston rod sealing arrangement (1) for sealing a piston rod (2) mounted in a longitudinally displaceable manner. Said sealing arrangement comprises at least one sealing ring (5) having a sealing surface (5a), an actuator (7), a sensor (8), and a chamber ring (3) containing the sealing ring (5). The actuator (7) comprises an active connection in relation to the sealing ring (5), such that the sealing surface (5a) can be radially displaced in relation to the piston rod (2). The actuator (7) can be controlled according to a measuring value detected by the sensor (8).
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