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Volume 38 Issue 10
Oct.  2012
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Journal of Beijing University of Aeronautics and Astronautics  > 2012  >  38(10): 1336-1340.
Liu Xin, Han Shengqian, Xu Zhikun, et al. Energy-efficient uplink training for downlink multi-antenna transmission[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, (6): 841-846. (in Chinese)
Citation: Huang Bochao, Wang Shaoping. Pressure sensing valve plate mechanism for ripple reduction of variable pressure piston pump[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, 38(10): 1336-1340. (in Chinese)
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Pressure sensing valve plate mechanism for ripple reduction of variable pressure piston pump

  • School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

  • Received Date: 23 Apr 2012
  • Publish Date: 30 Oct 2012
    Abstract
  • The silencing structure of the valve plate is the most effective approach to reduce the pressure ripple in the hydraulic system via reducing the source flow ripple. To endue the piston pump with self-adaptability at the operating pressures over a wide range, a novel pressure sensing silencing structure based on the hole-groove combination was developed for the valve plate. A one-way throttle valve, with its opening in conformity to the operating pressure, was inserted into the passageway between the communication hole and the delivery port to obtain required pre-pressurization (pre-relief) characteristic. A novel pressure sensing silencing valve plate was designed and optimized, and a simulation model of the novel valve plate was produced. The simulation results demonstrate that the novel valve plate achieves an obvious silencing effect and excellent self-adaptability under the condition of variable operating pressures, and its reduced value of pressure ripple is up to 27.7% over that of traditional valve plate with V-type relief groove.

     

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    • References(10)
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