但是传统的二齿轮式齿轮泵存在较大的不平衡径向力，成为制约齿轮泵寿命的主要因素。
However, the heavier unbalanced radial force existed in the traditional two-gear's gear pump is a chief factor to affect the pump's service life.
讨论了二从动轮式复合齿轮泵的结构原理，导出了排量、平均流量、瞬时流量和流量脉动率的计算公式。
This paper analyzes the flow pulsation in a compound gear pump with 2-idlers, derives formulae for calculating displacement, average flow velocity, instantaneous flow and pulsation flow.
讨论了二从动轮式复合齿轮泵的结构原理，导出了排量、平均流量、瞬时流量和流量脉动率的计算公式。
This paper introduces the working principle and deduces the equations of geometric flow, average flow, instantaneous flow and the pulsation of the pump.
是根据市场需要派生出的一种底速齿轮式输送泵。
Is based on market demand derived from a low speed, gear-type pumps.
是根据市场需要派生出的一种底速齿轮式输送泵。
Is based on market demand derived from a low speed, gear-type pumps.
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