EIPQ - Eckerle Internal Gear Reversing Pump
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Eckerle internal gear pumps are clearance-compensated and have been used in speed-controlled drives for decades. Their excellent efficiency at low speeds and low dependence on viscosity and temperature result in very good controllability across the entire operating range.
Thanks to their symmetrical design, these EIPQ-type pumps can operate in both directions of rotation, either as a pump or as a motor. Furthermore, in pump mode, the inlet side can also be pressurised. This offers significant potential for energy savings.
Advantages
- 4-quadrant operation
- High efficiency through gap compensation
- Energy recovery
- Easy to integrate thanks to compact design
- Low-noise operation
- Excellent controllability
- Long service life
- Highly dynamic due to low mass inertia
- Simultaneous pressurisation at both connections possible
Applications
- Bending machines
- Construction machinery
- Lifts
- Chassis control systems
- Industrial trucks
- Plastic injection moulding machines
- Steering systems
- Presses
As the various systems have very different requirements, the design of the EIPQ is adapted to the specific application. The basic structure of the pump remains unchanged.
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