Eccentric screw pump with working engagement and idle engagement and method for controlling the eccentric screw pump
Number of patents in Portfolio can not be more than 2000
United States of America
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Oct 29, 2024
Grant Date -
Jun 1, 2023
app pub date -
Nov 30, 2022
filing date -
Nov 30, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
An eccentric screw pump for delivering solid-laden liquids includes a rotor and a stator within which the rotor is rotatably arranged. The rotor and stator are arranged and designed with respect to one another in such a way that at least one chamber is formed, which serves to transport the liquid. The eccentric screw pump has a drive motor for rotating the rotor, a control device for controlling the drive motor at least in a working state, in which the rotor is rotated, and an idle state, in which the rotor does not rotate, and an engagement unit, which is designed to set an engagement between the rotor and stator to an idle engagement in the idle state and to a working engagement in the working state. The idle engagement is less than the working engagement. A method for operating the eccentric screw pump is also disclosed.
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