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TECHNICAL PAPERS

The Discharge Flow Ripple of an Axial-Piston Swash-Plate Type Hydrostatic Pump

[+] Author and Article Information
Noah D. Manring

Mechanical and Aerospace Engineering, University of Missouri—Columbia, Columbia, MO 65211

J. Dyn. Sys., Meas., Control 122(2), 263-268 (May 06, 1998) (6 pages) doi:10.1115/1.482452 History: Received May 06, 1998
Copyright © 2000 by ASME
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References

Bolinger, J. W., 1982, “Considerations for Hydrostatic System Noise Control,” SAE International Off-Highway Meeting and Exposition, Milwaukee, WI. pp. 29–41.
Thoma, J., 1964, Hydrostatic Power Transmission, Morden, Surrey, England, Trade and Technical Press.
Jun, Z., and Yi, W., 1985, “Research for pressure and flow pulsating characteristic of swash plate axial piston pump with even pistons,” ICFP Symposium, Zhejiang University, Hangzhou, China, pp. 325–327.
Cooper, W., and G. P. Hampton, 1893, “Rotary Reciprocating Pump,” US Patent No. 511,044.

Figures

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General pump configuration
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Schematic of a single piston chamber
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A numerical pressure-profile for the nth piston exhibiting essentially no overshoot or undershoot in the transition regions
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A numerical pressure-profile for the nth piston exhibiting overshoot and undershoot in the transition regions
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FFT result of the idealized flow ripple
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Pulse height as a percentage of the nominal flow
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FFT results of the actual flow ripple

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