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A Study on Volumetric Efficiency of External Gearing Cylindrical Gear Pump

Qu Sheng

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Abstract

In this paper, main factors affecting the volumetric efficiency of external gearing cylindrical gear pump are analyzed, mechanism of hole produced in tooth space of pump and mechanism of leak loss by clearance are discussed. From respects of using supplementary oil intake from end face, removing unload groove and choosing proper flow diameters of intake and output oil pipes etc., the efficient measures of increase in volumetric efficiency of the gear pump are discussed and well proved by the case study.

About this research paper

What this paper is about

In this paper, main factors affecting the volumetric efficiency of external gearing cylindrical gear pump are analyzed, mechanism of hole produced in tooth space of pump and mechanism of leak loss by clearance are discussed. From respects of using supplementary oil intake from end face, removing unload groove and choosing proper flow diameters of intake and output oil pipes etc., the efficient measures of increase in volumetric efficiency of the gear pump are discussed and well proved by the case study.

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Available abstract

In this paper, main factors affecting the volumetric efficiency of external gearing cylindrical gear pump are analyzed, mechanism of hole produced in tooth space of pump and mechanism of leak loss by clearance are discussed. From respects of using supplementary oil intake from end face, removing unload groove and choosing proper flow diameters of intake and output oil pipes etc., the efficient measures of increase in volumetric efficiency of the gear pump are discussed and well proved by the case study.

Key concepts: Gear pump, Volumetric efficiency, Progressive cavity pump, Mechanism (biology), Groove (engineering), Oil pump, Reciprocating pump, Automotive engineering

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