ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,560,176, issued on Feb. 24, was assigned to Garrett Transportation I Inc. (Torrance, Calif.).
"Extended wheel tip and back-disk cavity" was invented by Junfei Yin (Bedford, Great Britain) and Daniel Zhang (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compressor having a housing along with a wheel including a hub and a plurality of impellers defining flow channels is disclosed. The hub forms a flow surface that defines a concave surface-curve from an inducer end to an inflection point, and a convex surface from the inflection point to an exducer end of the flow surface. The hub forms a back-disk surface including a circumferential edge-chann...