Patent ID: 9080453
Filing Date: 2015-07-14
Classification: F01D,F05D,G01J,G01M,G01N,Y02T

Abstract:
1. A method of thermal inspection of a component defining at least one internal passageway, the internal passageway attaining a thermal equilibrium state with its surrounding environment, the method comprising: capturing a sequence of a rapid increase in thermal indications over a short period of time of a surface of the component; compressively heating the at least one internal passageway by way of delivering an airflow disturbance into the at least one internal passageway, wherein said airflow disturbance is initially at thermal equilibrium with the internal passageway; receiving a temperature response signal as a function of time based on the received thermal indications; and determining a level of blockage of the at least one internal passageway based on the temperature response signal.