The Determination of the Theoretical Stroke Volume of Hydrostatic Positive Displacement Pumps and Motors from Volumetric Measurements

Gijsbert Toet, Jack Johnson, John Montague, Ken Torres and José Garcia-Bravo
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Gijsbert Toet: Mechanical Engineering Department, Eindhoven Technical University, 5612AZ Eindhoven, Netherlands
Jack Johnson: Electrohydraulic Engineer, IDAS Electrohydraulics, Waukesha, WI 53186, USA
John Montague: Mechanical Engineer, Bosch-Rexroth Group; Sturtevant, WI 53177, USA
Ken Torres: Product Specialist, Bosch-Rexroth Group; Sturtevant, WI 53177, USA
José Garcia-Bravo: School of Engineering Technology, Purdue University, West Lafayette, IN 47907, USA

Energies, 2019, vol. 12, issue 3, 1-15

Abstract: This document presents a revised translation to the English language work developed more than 40 years ago by the first author. It further summarizes a common misinterpretation of the method and succinctly describes a graphical procedure to correctly determine the derived displacement volume of a pump or a motor. The original work contains a directive for the determination of the derived displacement volume of hydrostatic positive displacement pumps and motors, from volumetric (flow and speed) measurements. The procedure is based on the definition of the derived displaced volume, defined as: The volumetric flow pushed or admitted by hydrostatic positive displacement pumps and motors per (shaft) revolution, at zero internal and external leakage flow conditions.

Keywords: displacement; derived capacity; positive displacement; hydraulic motor; hydraulic pump; positive displacement; stroke volume; theoretical volume; variable displacement (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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