FEASIBILITY STUDY OF A NOVEL SLEEVE TYPE SWITCHING VALVE

Authors

  • Johannes Falkner Linz Center of Mechatronics GmbH, Altenberger Straße 69, 4040 Linz
  • Andreas Ploeckinger Linz Center of Mechatronics GmbH, Altenberger Straße 69, 4040 Linz
  • Bernd Winkler Linz Center of Mechatronics GmbH, Altenberger Straße 69, 4040 Linz
  • Rudolf Scheidl Institute of Machine Design and Hydraulic Drives, Johannes Kepler University Linz, Linz, Austria

Keywords:

fast switching valve, bistable valve, seat type valve, sleeve valve

Abstract

Digital hydraulics became an area of high interest in the last years. Its success depends heavily on cheap and fast switching valves which also feature compact design, low leakage, low electrical current and power requirements, and easy integration into the hydraulic system. This paper presents a feasibility study of a novel magnetically actuated, two coil, bistable 3/2 way sleeve type seat valve. The applicability of the valve was analysed by analytical models, a prototypal design, by measurements of the prototype, and by CFD simulation of flow forces. The sleeve concept turned out to have several inherent problems: insufficient closing-capability due to pressure forces and a pressure dependent clamping of the sleeve; some leakage because of manufacturing tolerances of the contact surfaces, and a complex design with many precise and costly parts to obtain compactness.

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Author Biographies

Johannes Falkner, Linz Center of Mechatronics GmbH, Altenberger Straße 69, 4040 Linz

Johannes Falkner obtained his master’s degree in Mechatronics in 2009 from the Johannes Kepler University in Linz, Austria. He has been an employee of Linz Center of Mechatronics GmbH (LCM) since 2009. Currently he serves as a Junior Researcher in LCM. His research interests are hydraulic drives and fast switching valves.

Andreas Ploeckinger, Linz Center of Mechatronics GmbH, Altenberger Straße 69, 4040 Linz

Andreas Ploeckinger obtained his master’s degree in Mechatronics in 2001 from the Johannes Kepler University in Linz, Austria. He has been an employee of Linz Center of Mechatronics GmbH (LCM) since 2002. Currently he serves as a Senior Researcher in LCM GmbH focusing on integrated electro-hydraulic hybrid drives and fast switching valves.

Bernd Winkler, Linz Center of Mechatronics GmbH, Altenberger Straße 69, 4040 Linz

Bernd Winkler obtained his master’s degree in Mechatronics in 2000 and doctoral degrees in 2004 both from the Johannes Kepler University in Linz, Austria. He has been an employee of Linz Center of Mechatronics GmbH (LCM) since 2005. Currently he serves as the Business Unit Manager and head of Advanced Hydraulic Drive and Actuation Systems in LCM GmbH.

Rudolf Scheidl, Institute of Machine Design and Hydraulic Drives, Johannes Kepler University Linz, Linz, Austria

Rudolf Scheidl MSc of Mechanical Engineering and Doctorate of Engineering Sciences of Vienna University of Technology, Austria. Industrial research and development experience in agricultural machinery (Epple Buxbaum Werke), continuous casting technology (Voest Alpine Industrieanlagenbau), and paper mills (Voith). Since 1990 Full Professor for Mechanical Engineering at the Johannes Kepler University in Linz, Austria. Research topics: hydraulic drive technology and mechatronic design.

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Published

2011-08-01

How to Cite

Falkner, J., Ploeckinger, A., Winkler, B., & Scheidl, R. (2011). FEASIBILITY STUDY OF A NOVEL SLEEVE TYPE SWITCHING VALVE. International Journal of Fluid Power, 12(2), 27–35. Retrieved from https://journals.riverpublishers.com/index.php/IJFP/article/view/467

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