罗茨风机 meaning in English

roots blower

The rotor of roots blower is the key component relate to the noise
罗茨风机的转子是影响噪声的关键零件。
Analysis of flow characters and noise of large flow three leaves roots blowers
大流量三叶罗茨风机的流量特性及噪声分析
High pressure air for homogenizing is supplied by roots blower under homogenizing silo
均化所用高压空气由库底罗茨风机提供。
Technical amp; amp; economic analysis for replacement of rose fan in chensilou coal preparation plant
陈四楼选煤厂罗茨风机更新的技术经济分析
The wind rates of roots blower with these various kinds of three - lobe circular arc rotor are calculated and comparison between their performances is carried out . it is found that three - lobe rotor with external - internal circular arc and cycloid can produce the largest air volume . comparing the air pulsation produced by cylinder rotor and helix rotor , and proof that the structure of helix rotor can reduce the noise of roots blower
本文给出了罗茨鼓风机三种不同的圆弧转子型线的参数方程(外圆弧及其包络线型、内圆弧及其包络线型、和内外圆弧加摆线型) ，还给出了这三种转子的径距比( r _ a a )的极值，并进行比较，得到：内外圆弧加摆线线型是最优线型这一结论；为降低罗茨风机的噪声，将传统的直叶转子改成扭叶转子。