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公开(公告)号：US20150118085A1
公开(公告)日：2015-04-30
申请号：US14523605
申请日：2014-10-24
申请人： Lorenz Lessmann , Elimar Volkmann
发明人： Lorenz Lessmann , Elimar Volkmann
CPC分类号： F04C14/26 , F04C2/1073 , F04C2/1075 , F04C13/001 , F04C14/28
摘要： An eccentric screw pump for delivering fluid and/or granular media. The pump body of the eccentric screw pump includes an inlet region, a pump unit and an outlet region. A drive unit is assigned to the inlet region. The pump unit includes a rotor and a stator, wherein the rotor moves eccentrically in the stator. The inlet region constitutes the suction side and the outlet region constitutes the pressure side of the eccentric screw pump. A bypass connection with at least one safety valve is assigned to the eccentric screw pump in order to take up and return back-flowing medium between the pressure side and the suction side of the eccentric screw pump. The bypass connection and the safety valve may also be integrated into the pump body of the eccentric screw pump.
摘要翻译： 用于输送流体和/或颗粒介质的偏心螺杆泵。 偏心螺杆泵的泵体包括入口区域，泵单元和出口区域。 驱动单元被分配到入口区域。 泵单元包括转子和定子，其中转子在定子中偏心运动。 入口区域构成吸入侧，出口区域构成偏心螺杆泵的压力侧。 与偏心螺杆泵分配至少一个安全阀的旁路连接件，以便在偏心螺杆泵的压力侧和吸力侧之间吸收和返回回流介质。 旁路连接和安全阀也可以集成到偏心螺杆泵的泵体中。
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公开(公告)号：US20120282128A1
公开(公告)日：2012-11-08
申请号：US13102624
申请日：2011-05-06
IPC分类号： F01C1/10
CPC分类号： F04C29/025 , F04C18/1075 , F04C29/028 , F04C29/04
摘要： A progressing cavity gas pump with a stator which has a stator interior with an elastomeric inner surface as well as a gas outlet and a gas inlet, between which a pump delivery direction is defined, and with a rotor which engages with the stator interior, wherein below the stator, a lubricant reservoir is arranged which is connected via lubricant conduit devices to the stator interior. A progressing cavity gas pumping method using a progressing cavity gas pump, gas coming from a gas inlet is delivered with a rotationally driven rotor within a stator and through a stator interior having an elastomeric inner surface to a gas outlet and is compressed, and wherein from a lubricant reservoir below the stator, a lubricant supply to the stator interior takes place via lubricant conduit devices, and lubricant from the stator interior is recycled via the lubricant conduit devices into the lubricant reservoir.
摘要翻译： 具有定子的前进空腔气泵，其具有具有弹性体内表面的定子内部以及气体出口和气体入口，在其之间限定泵输送方向以及与定子内部接合的转子，其中 在定子下方设置有润滑剂储存器，其通过润滑剂导管装置连接到定子内部。 使用前进空腔气泵的进行的腔体气体泵送方法，来自气体入口的气体在旋转驱动的转子内被定向并且通过具有弹性体内表面的定子内部输送到气体出口并被压缩，并且其中从 在定子下方的润滑剂储存器，经由润滑剂管道装置进行到定子内部的润滑剂供应，并且来自定子内部的润滑剂经由润滑剂管道装置再循环到润滑剂储存器中。
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公开(公告)号：US08974205B2
公开(公告)日：2015-03-10
申请号：US13102624
申请日：2011-05-06
IPC分类号： F04C29/02 , F04C29/04 , F04C18/107
CPC分类号： F04C29/025 , F04C18/1075 , F04C29/028 , F04C29/04
摘要： A progressing cavity gas pump with a stator which has a stator interior with an elastomeric inner surface as well as a gas outlet and a gas inlet, between which a pump delivery direction is defined, and with a rotor which engages with the stator interior, wherein below the stator, a lubricant reservoir is arranged which is connected via lubricant conduit devices to the stator interior. A progressing cavity gas pumping method using a progressing cavity gas pump, gas coming from a gas inlet is delivered with a rotationally driven rotor within a stator and through a stator interior having an elastomeric inner surface to a gas outlet and is compressed, and wherein from a lubricant reservoir below the stator, a lubricant supply to the stator interior takes place via lubricant conduit devices, and lubricant from the stator interior is recycled via the lubricant conduit devices into the lubricant reservoir.
摘要翻译： 具有定子的前进空腔气泵，其具有具有弹性体内表面的定子内部以及气体出口和气体入口，在其之间限定泵输送方向以及与定子内部接合的转子，其中 在定子下方设置有润滑剂储存器，其通过润滑剂导管装置连接到定子内部。 使用前进空腔气泵的进行的腔体气体泵送方法，来自气体入口的气体在旋转驱动的转子内被定向并且通过具有弹性体内表面的定子内部输送到气体出口并被压缩，并且其中从 在定子下方的润滑剂储存器，经由润滑剂管道装置进行到定子内部的润滑剂供应，并且来自定子内部的润滑剂经由润滑剂管道装置再循环到润滑剂储存器中。
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