Based on the characteristics of stable gear transmission and constant speed ratio, a kind of imperfect gear mechanism was studied in this paper.
基于齿轮传动平稳和恒速比的特点，文中研究了一种不完全齿轮机构。
Gear box of high precision reducing noise and making more stable performance in clinical case.
高精密度变速箱设计噪音降低，临床使用性能更稳定。
Comparing with involute gear pumps, circular tooth gear pumps have following characteristics: compact structure, no pulsation, stable rotation, high efficiency, low noise, and long working life.
与渐开线齿轮泵相比，圆弧齿轮泵的特点是：体积小、无脉动、转动平稳、效率高、噪声低以及寿命长等。
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