Depending on the type of use the rotors can be made as: standard stainless steel tri-lobes, stainless steel bi-lobes, action dual wing rotary piston, gears for models B100 and B105.

• 根据使用要求不同转子可分为：标准三叶转子、双叶转子、蝶形转子。B100和B105型还可采用齿轮转子。