ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,748, issued on May 5, was assigned to Progress Rail Locomotive Inc. (LaGrange, Ill.).
"Cylinder head crack detection system" was invented by Adarsh G. Nair (Naperville, Ill.) and Raji Rexavier (Plainfield, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A crack detection system for a cylinder head associated with an internal combustion engine of a locomotive is disclosed. The crack detection system comprises: a closed-loop coolant system for cooling the cylinder head; a sensor assembly including a pressure sensor, and a speed sensor; and a controller in communication with the sensor assembly. The controller is configured to monitor a coolant press...