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New Methods of Reducing Noise in External Gear Pumps
ISSN: 0148-7191, e-ISSN: 2688-3627
Published September 01, 1980 by SAE International in United States
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The noise from external gear pumps has been significantly reduced by a new design which consists of two sets of gears, half the width of a standard gear, and offset about 1/2 pitch. The new pump makes use of a housing which is externally basically the same as a standard pump. This paper presents test stand and field measurements of the pump.