Patent 9611864 was granted and assigned to Dyson (company) on April, 2017 by the United States Patent and Trademark Office.
A centrifugal compressor that includes an impeller, a diffuser and a shroud. One of the diffuser and shroud includes a plurality of recesses and the other of the diffuser and shroud includes a plurality of radial vanes. The shroud covers the impeller and diffuser such that each radial vane projects into a respective recess.