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GeroMAG: In-House Prototype of an Innovative Sealed, Compact and Non-Shaft-Driven Gerotor Pump with Magnetically-Driving Outer Rotor

Author

Listed:
  • Pedro Javier Gamez-Montero

    (Laboratori de Sistemes Oleohidraulics i Pneumatics, Department of Fluid Mechanics, Universitat Politecnica de Catalunya, Campus Terrassa, Colom 11, 08222 Terrassa, Spain)

  • Robert Castilla

    (Laboratori de Sistemes Oleohidraulics i Pneumatics, Department of Fluid Mechanics, Universitat Politecnica de Catalunya, Campus Terrassa, Colom 11, 08222 Terrassa, Spain)

  • Esteve Codina

    (Laboratori de Sistemes Oleohidraulics i Pneumatics, Department of Fluid Mechanics, Universitat Politecnica de Catalunya, Campus Terrassa, Colom 11, 08222 Terrassa, Spain)

  • Javier Freire

    (Laboratori de Sistemes Oleohidraulics i Pneumatics, Mechanical Engineering Department, Universitat Politecnica de Catalunya, Campus Terrassa, Colom 11, 08222 Terrassa, Spain)

  • Joan Morató

    (Aleaciones de Metales Sinterizados, Carretera Nacional 340 km 1242, Les Fallulles, 08620 Sant Vicenç dels Horts, Spain)

  • Enric Sanchez-Casas

    (Aleaciones de Metales Sinterizados, Carretera Nacional 340 km 1242, Les Fallulles, 08620 Sant Vicenç dels Horts, Spain)

  • Ivan Flotats

    (Mavilor Motors, Empordà 11-13, Can Bernades-Sobirà, 08130 Santa Perpetua de Mogoda, Spain)

Abstract

The technology of gerotor pumps is progressing towards cutting-edge applications in emerging sectors, which are more demanding for pump performance. Moreover, recent environmental standards are heading towards leakage-free and noiseless hydraulic systems. Hence, in order to respond to these demands, this study, which will be referred to as the GeroMAG concept, aims to make a leap from the standard gerotor pump technology: a sealed, compact, non-shaft-driven gerotor pump with a magnetically-driving outer rotor. The GeroMAG pump is conceived as a variable-flow pump to accomplish a standard volumetric flow rate at low rotational speed with satisfactory volumetric efficiency. By following the authors’ methodology based on a catalogue of best-practice rules, a custom trochoidal gear set is designed. Then, two main technological challenges are encountered: how to generate the rotational movement of the driving outer rotor and how to produce the guide of rotation of the gear set once there is no drive shaft. To confront them, a quiet magnet brushless motor powers the driving outer rotor through pole pieces placed in its external sideway and the rotational movement is guided by the inner edgewise pads carved on it. Subsequently, GeroMAG pump architecture, prototype, housing, methodology, materials and manufacture will be presented. As a principal conclusion, the GeroMAG proof of concept and pump prototype are feasible, which is corroborated by experimental results and performance indexes.

Suggested Citation

  • Pedro Javier Gamez-Montero & Robert Castilla & Esteve Codina & Javier Freire & Joan Morató & Enric Sanchez-Casas & Ivan Flotats, 2017. "GeroMAG: In-House Prototype of an Innovative Sealed, Compact and Non-Shaft-Driven Gerotor Pump with Magnetically-Driving Outer Rotor," Energies, MDPI, vol. 10(4), pages 1-14, March.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:4:p:435-:d:94122
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    References listed on IDEAS

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    1. Divya Thiagarajan & Andrea Vacca, 2017. "Mixed Lubrication Effects in the Lateral Lubricating Interfaces of External Gear Machines: Modelling and Experimental Validation," Energies, MDPI, vol. 10(1), pages 1-20, January.
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    Cited by:

    1. Pedro Javier Gamez-Montero & Esteve Codina & Robert Castilla, 2019. "A Review of Gerotor Technology in Hydraulic Machines," Energies, MDPI, vol. 12(12), pages 1-44, June.
    2. Sang Hyeop Lee & Hyo Seo Kwak & Gi Bin Han & Chul Kim, 2019. "Design of Gerotor Oil Pump with 2-Expanded Cardioids Lobe Shape for Noise Reduction," Energies, MDPI, vol. 12(6), pages 1-16, March.
    3. Andrea Vacca, 2018. "Energy Efficiency and Controllability of Fluid Power Systems," Energies, MDPI, vol. 11(5), pages 1-6, May.
    4. Pedro Javier Gamez-Montero & Piotr Antoniak & Robert Castilla & Javier Freire & Justyna Krawczyk & Jaroslaw Stryczek & Esteve Codina, 2017. "Magnet-Sleeve-Sealed Mini Trochoidal-Gear Pump Prototype with Polymer Composite Gear," Energies, MDPI, vol. 10(10), pages 1-18, September.
    5. Massimo Rundo, 2017. "Models for Flow Rate Simulation in Gear Pumps: A Review," Energies, MDPI, vol. 10(9), pages 1-32, August.

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