US Patent Issued to RTX on Feb. 17 for "Porosity variation of abradable based on hardness of material" (Connecticut Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,358, issued on Feb. 17, was assigned to RTX Corp. (Farmington, Conn.).

"Porosity variation of abradable based on hardness of material" was invented by Juan Gomez (Farmington, Conn.) and Ryan X. Gao (Farmington, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A blade outer air seal includes a center web having a radially inner face and a radially outer face, at least one mounting arm extending from the radially outer face, and a coating disposed on the radially inner face. The coating includes an environmental barrier coating layer and an abradable layer disposed on the environmental barrier layer. The abradable layer has a Mohs hardness of 3.5 ...