US Patent Issued to The Boeing on Aug. 25 for "Sealing assembly having a primary and a secondary seal" (Missouri Inventor)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,503, issued on Aug. 25, was assigned to The Boeing Co. (Arlington, Va.).

"Sealing assembly having a primary and a secondary seal" was invented by Daniel Park (Ofallon, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sealing assembly and associated shaft assembly is disclosed. The sealing assembly comprises a primary seal at a sealing interface between a first sealing face of a first seal ring and a second sealing face of a second seal ring. The sealing assembly also comprises a secondary seal between an extension member of a resilient flexible seal and a second circumferential surface of the second seal ring. The resilient flexible seal is coup...