ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,653, issued on Dec. 30, was assigned to Cryostar SAS (Hesingue, France).
"Method for manufacturing an impeller" was invented by Anny Murad-Bickard (Hesingue, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing an impeller, in particular, for a turbomachine, said impeller comprising vanes forming channels in the impeller, the method comprising the following steps: a) forming a raw impeller part by means of additive manufacturing; b) removing), from the raw impeller part, at an inner surface of at least one channel, material in a first area and in a second area of the inner surface, by means of post-processing, to obtain a...