ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,433, issued on March 31, was assigned to Ingersoll-Rand Industrial U.S. Inc. (Davidson, N.C.).
"Components and the manufacture thereof via welding with reduced alloy-depletion" was invented by Fredrik Boxberg (Espoo, Finland), Juha T. Saari (Espoo, Finland) and Esa H. M. Vikman (Espoo, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods form induction rotors by performing isostatic pressing (HIP) to weld clad to a shaft, which allows for scaling the manufacturing of solid steel rotors, as compared to conventional techniques. In examples, the rotors are designed for high-speed motors and may include recessed short circuit ring...