초록 ▼

A method is provided for monitoring engine thrust bearing temperature deviations. Initially, key engine parameters are measured. A bearing temperature rise can be predicted based on the measured parameters. The predicted rise value is compared with the actual rise value to generate a comparison valu

A method is provided for monitoring engine thrust bearing temperature deviations. Initially, key engine parameters are measured. A bearing temperature rise can be predicted based on the measured parameters. The predicted rise value is compared with the actual rise value to generate a comparison value. The system is trained to respond to the comparison value to prevent catastrophic failure.

대표청구항 ▼

1. A method for monitoring engine thrust bearing temperature, comprising the steps of: measuring predetermined engine parameters; predicting a bearing temperature rise based on the measured parameters; measuring actual bearing temperature rise; comparing the predicted rise value with the actua

1. A method for monitoring engine thrust bearing temperature, comprising the steps of: measuring predetermined engine parameters; predicting a bearing temperature rise based on the measured parameters; measuring actual bearing temperature rise; comparing the predicted rise value with the actual rise value to generate a comparison value; and responding to the comparison value to help prevent engine failure. 2. A method as claimed in claim 1 wherein the step of responding to the comparison value comprises the step of automatically triggering a signal when the comparison value exceeds a predetermined sigma level. 3. A method as claimed in claim 2 wherein the predetermined engine parameters comprise high pressure recoup cavity pressure, P48 cavity pressure, engine speed and compressor-discharge (P3 cavity) pressure. 4. A method as claimed in claim 3 wherein each predetermined engine parameter is multiplied by an associated coefficient. 5. A method as claimed in claim 4 wherein each associated coefficient is a fixed value used to calculate the predicted rise value. 6. A method as claimed in claim 1 wherein the step of responding to the comparison value comprises the step of automatically shutting off the engine when the sigma level is greater than a predetermined allowed sigma level.