Patent ID: 11953054
Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 2:
3. A beating condition monitoring device for monitoring a condition of a thrust bearing for holding a rotational shaft in a thrust direction, the device comprising:
a first temperature sensor for measuring a temperature of the thrust bearing;
an arithmetic device for counting a frequency at which an evaluation index of a thrust load on the basis of a measurement value by the first temperature sensor exceeds an allowable value, and for outputting an abnormality in the condition of the thrust bearing if the counted frequency exceeds a threshold; and
a second temperature sensor for measuring a temperature of a bearing housing for housing the thrust bearing,
wherein the arithmetic device changes the evaluation index or the allowable value based on a measurement value by the second temperature sensor.