Using software PRO-E to build the model of the impeller, diffuser with blade, entering air elbow, volute.
用PRO - E软件对进气弯管，带分流叶片的叶轮及有叶片扩压器进行了实体建模。
2
Air flow is offset under actions of the blade-lattice surfaces after entering the blade-lattice air passages, and dust in air can be collected in the grooves under actions of inertia force.