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Design of damping valve for vehicle hydro pneumatic suspension

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Abstract

According to the design features of a hydro pneumatic spring, the necessity of a separate damping valve is proposed. Based on a 1/4 vehicle linear suspension model, the optimum damping coefficient is worked out and the parameters of the damping valve are determined with the equivalent linearization method. A practical structure of the damping valve is proposed having a small size, high flowrate when the valve opens, and the ability of enduring high back pressure. Based on bench tests, the damping valve has been found to properly work and be suitable. The design method and damping valve structure are useful guides for hydro pneumatic suspension, especially for the design of heavy-duty vehicles.

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Authors and Affiliations

  1. School of Mechanical and Vehicular Engineering, Beijing Institute of Technology, Beijing, 100081, China

    Mingming Dong, Hua Huang & Lian Gu

Authors
  1. Mingming Dong
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  2. Hua Huang
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  3. Lian Gu
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Corresponding author

Correspondence to Mingming Dong.

Additional information

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Translated from Transactions of Beijing Institute of Technology, 2006, 26(4): 301–304 [译自: 北京理工大学学报]

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Dong, M., Huang, H. & Gu, L. Design of damping valve for vehicle hydro pneumatic suspension. Front. Mech. Eng. China 3, 97–100 (2008). https://doi.org/10.1007/s11465-008-0014-5

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  • DOI: https://doi.org/10.1007/s11465-008-0014-5

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