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发明公开
CN107002668A 长度补偿装置 失效 - 权利终止

长度补偿装置
摘要：
长度补偿装置(4)，尤其用于具有转子和能沿轴向调节的定子(2)的偏心螺杆泵，该长度补偿装置应设计成用于可靠而有效地补偿长度变化。对此，根据本发明，长度补偿装置(4)包括至少一个沿轴向可活动的支撑体(10、12)，为支撑体(10、12)分配的囊体(16)布置在该支撑体中以引导输送介质。
摘要（英）：

The invention relates to a length compensation device (4), in particular for a progressive cavity pump with a rotor and an axially adjustable stator (2). The length compensation device is designed to compensate the length in a reliable and effective manner. According to the invention, the length compensation device (4) comprises at least one axially flexible support body (10, 12) in which a bellows body (16) which is associated with the support body (10, 12) and which is used to guide a conveying medium, is arranged.

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