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RESEARCH PAPERS

Achieving a Variable Flow Supply by Controlled Unloading of a Fixed-Displacement Pump

[+] Author and Article Information
S. P. Tomlinson, C. R. Burrows

School of Mechanical Engineering, Fluid Power Centre, University of Bath, Bath, U.K.

J. Dyn. Sys., Meas., Control 114(1), 166-171 (Mar 01, 1992) (6 pages) doi:10.1115/1.2896499 History: Received March 27, 1990; Revised March 12, 1991; Online March 17, 2008

Abstract

This paper addresses the operational performance of a fixed-displacement pump controlled by an unloading valve to provide a fluctuating flow source. This approach should be cheaper and more efficient than the use of a variable-displacement unit. Computer simulation is used to predict the performance of the system and act as a guide in optimizing the control system. An experimental rig has been constructed to examine the practicalities of these ideas. Some experimental results are presented. Future work will be concerned with noise and efficiency studies.

Copyright © 1992 by The American Society of Mechanical Engineers
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