ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,658, issued on Aug. 26, was assigned to RTX Corp. (Farmington, Conn.).
"Self-metering impingement plate" was invented by Howard J. Liles (Farmington, Conn.) and Daniel P. Preuss (Farmington, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An impingement apparatus, containing a chamber defined by sides forming the chamber, a plurality of impingement holes located on a side of the chamber, which are able to act as a plurality of flow passages for a coolant fluid to pass from the chamber through the plurality of impingement holes to impinge of a surface to be cooled, one or more metering holes located on one or more sides of the chamber other than...