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Preliminary testing of the internal gear pump with modifications of the sickle insert

Antoniak Piotr, Stosiak Michał, Towarnicki Krzysztof

Acta Innovations

2019

no. 32

84--90

This paper presents the modifications that have been made to the sickle insert of the gear pump with internal gearing. This procedure allowed the obtainment of radial compensation. The test stand to plot the characteristics of the pump before, as well as after the first and second modification is discussed. The results of the measurements from the tests conducted are presented. The results obtained confirmed the achievement of radial compensation by cutting the appropriate channel in the sickle insert. As a result, it will be possible to obtain a higher discharge pressure for this type of pump and to increase its efficiency.