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A Ripple — Free Gear Pump Using Controlled Leakage
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English
Abstract
The major source of all types of noise in hydraulic systems is usually the positive displacement pump. Fluidborne noise (pulsations) produced by the pump are particularly troublesome because almost all system components convert it into airborne noise. The most straightforward means of reducing fluidborne noise is to use a quiet pump.
This paper reports the development of an external gear pump which utilizes controlled leakage to drastically reduce its flow ripple output. The theoretical basis for the technique is presented, along with an example of pump design using controlled leakage. An experimental evaluation is presented demonstrating the effectiveness of the technique.
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Authors
Topic
Citation
Headrick, D. and King, R., "A Ripple — Free Gear Pump Using Controlled Leakage," SAE Technical Paper 801006, 1980, https://doi.org/10.4271/801006.Also In
References
- King R. K. Headrick D. C. “Optimizing Gear Pump Parameters for Decreased Flow Ripple” The BFPR Journal 1981 14 149 153
- Headrick D. C. Maroney G. E. “A Quiet Split-Gear Pump for Reduced Fluidborne Noise” The BFPR Journal 1981 14 83 86
- Duke K. T. Dransfield P. “Improving Gear Pump Relief Groove Design” National Conference on Fluid Power 1979
- Headrick D. C. “Reduction of the Flow Pulsations Generated by Hydraulic Gear Pumps” Unpublished M.S. thesis Oklahoma State University 1977