Single stage axial ventilator - has rotor blades positioned in tandem and both rotor and guide wheel blades adjustable

摘要

One stage axial ventilator consisting of a rotor and a guide wheel. The rotor is fitted with rows of blades positioned in a tandem arrangement in front of the guide wheel. The guide wheel consists of one row of blades (6) and both the rotor as well as the guide wheel are positioned for a meridian accelerated flow. The guide wheel is designed as a delay grid and the blades of the rotor cover each other in an axial direction. The blades of both rotor and guide wheel are made adjustable, the number of blades in the tenadem rotor is at least twice that of the guide wheel.