Urban Louis A: Gas turbine engine analyzer. United Aircraft Corporation, May 1, 1973: US3731070 (36 worldwide citation)

The relative health of a gas turbine engine is analyzed and the particular faults are automatically determined by sensing monitored parameters of the gas path of gas turbine engine and electronically computing them into thermodynamically independent variables and comparing the rate of change of this ...

Gas turbine engine analyzer. United Aircraft, December 27, 1974: GB1378694-A (2 worldwide citation)

1378694 Analyzing gas turbine engines UNITED AIRCRAFT CORP 9 June 1972 27038/72 Heading G1N In a gas turbine engine analyzer, a datum for each of a plurality of corrected dependent engine variables is computed as a function of a selected engine variable, the corrected dependent engine variables are ...