2011•Coal Mine MachineryRequires access

Influence of Modification Coefficient of Flow Pulsation of External Gear Pump

Zhou Lan-mei

Abstract

The computing formula of the flow pulsation of external gear pump is researched and the influence of modification coefficient of flow pulsation of external gear pump is analysed.It was shown by calculation results that flow pulsation decreased when the module of gear are increased.The flow pulsation decreased when the modification coefficient is increased when the positivedrive of long-and-short-addendum is used.

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Key concepts: Gear pump, Flow (mathematics), Addendum, Mechanics, Progressive cavity pump, Control theory (sociology), Engineering, Mathematics