US Patent Issued to Cummins on July 21 for "Tuned differential shrinkage sinter joining" (Indiana Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,053, issued on July 21, was assigned to Cummins Inc. (Columbus, Ind.).

"Tuned differential shrinkage sinter joining" was invented by Howard S. Savage (Columbus, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for an engine comprises a component manufactured via additive manufacturing. The component includes a first material with a first contraction rate. An insert is disposed in the component and comprises a second material with a second contraction rate that is lower than the first contraction rate. When the component and the insert are exposed to a temperature suitable for sintering, the component contracts around the insert, thereby ...