| 摘要 |
This is a blower with radial blades, which includes a spiral casing equipped with a tongue, an entry port and an exit port, a runner arranged inside the casing and including a shaft fitted with a disc with blades fixed along the length of the outer perimeter of its lateral surface, in order to form a runner chamber with opening between the tongue and the exit end of the blade nearest to it and a distribution plate mounted on the casing and having its free end configured inside the runner chamber, where the free end of the distribution plate is angled toward the tongue in the opposite direction of rotation of the runner and the size of the port between the tongue and exit end of the nearest blade falls within limits of 0,03 to 0,2 of the distance between the runner shaft and the exit end of the blade. |
