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Magnet-Sleeve-Sealed Mini Trochoidal-Gear Pump Prototype with Polymer Composite Gear

Author

Listed:
  • Pedro Javier Gamez-Montero

    (LABSON, Department of Fluid Mechanics, Universitat Politecnica de Catalunya, Campus Terrassa, Colom 11, 08222 Terrassa, Spain)

  • Piotr Antoniak

    (Fluid Power Research Group, Faculty of Machine Design Fundamentals and Tribology, Mechanical Engineering Department, Wrocław University of Technology, Ul. Łukasiewicza 7/9, 50-371 Wrocław, Poland)

  • Robert Castilla

    (LABSON, Department of Fluid Mechanics, Universitat Politecnica de Catalunya, Campus Terrassa, Colom 11, 08222 Terrassa, Spain)

  • Javier Freire

    (LABSON, Mechanical Engineering Department, Universitat Politecnica de Catalunya, Campus Terrassa, Colom 11, 08222 Terrassa, Spain)

  • Justyna Krawczyk

    (Fluid Power Research Group, Faculty of Machine Design Fundamentals and Tribology, Mechanical Engineering Department, Wrocław University of Technology, Ul. Łukasiewicza 7/9, 50-371 Wrocław, Poland)

  • Jaroslaw Stryczek

    (Fluid Power Research Group, Faculty of Machine Design Fundamentals and Tribology, Mechanical Engineering Department, Wrocław University of Technology, Ul. Łukasiewicza 7/9, 50-371 Wrocław, Poland)

  • Esteve Codina

    (LABSON, Department of Fluid Mechanics, Universitat Politecnica de Catalunya, Campus Terrassa, Colom 11, 08222 Terrassa, Spain)

Abstract

The trochoidal-gear technology has been growing in groundbreaking fields. Forthcoming applications are demanding to this technology a step forward in the conceiving stage of positive displacement machines. The compendium of the qualities and the inherent characteristics of trochoidal-gear technology, especially towards the gerotor pump, together with scale/size factor and magnetic-driven transmission has led to the idea of a magnet-sleeve-sealed variable flow mini trochoidal-gear pump. From its original concept, to the last phase of the design development, the proof of concept, this new product will intend to overcome problems such as noise, vibration, maintenance, materials, and dimensions. The paper aims to show the technological path followed from the concept, design, and model, to the manufacture of the first prototype, where the theoretical and numerical approaches are not always directly reflected in the prototype performance results. Early in the design process, from a standard-commercial sintered metal mini trochoidal-gear unit, fundamental characteristics and dimensional limitations have been evaluated becoming the strategic parameters that led to its configuration. The main technical challenge to confront is being sealed with non-exterior driveshaft, ensuring that the whole interior is filled and wetted with working fluid and helping the hydrodynamic film formation, the pumping effect, and the heat dissipation. Subsequently, the mini pump architecture, embodiment, methodology, materials, and manufacture are presented. The trend of applications of polymer composite materials and their benefits wanted to be examined with this new mini pump prototype, and a pure polyoxymethylene mini trochoidal-gear set has been designed and manufactured. Finally, both the sintered and the polymer trochoidal-gear units have been experimentally tested in an in-house full-instrumented mini test bench. Although the main goal of the presented work is the development of a new mini trochoidal-gear pump prototype rather than a numerical study, the results have been compared with numerical simulation. Subsequently, the prototype of the mini trochoidal-gear pump is a feasible proof of concept supported by functional indexes and the experimental results.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:10:p:1458-:d:112702
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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.
    2. 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.
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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. Zheng Yan & Lei Ge & Long Quan, 2022. "Energy-Efficient Electro-Hydraulic Power Source Driven by Variable-Speed Motor," Energies, MDPI, vol. 15(13), pages 1-19, June.
    3. Jarosław Stryczek & Piotr Stryczek, 2021. "Synthetic Approach to the Design, Manufacturing and Examination of Gerotor and Orbital Hydraulic Machines," Energies, MDPI, vol. 14(3), pages 1-31, January.

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