Patent ID: 11946385
Assignee: SAFRAN AIRCRAFT ENGINES
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A turbomachine comprising a casing and a shaft that is movable in rotation with respect to the casing, a drive system configured to drive the shaft in rotation when the turbomachine is at rest, a sensor configured to measure a bending deformation deflection of the shaft when the turbomachine is at rest, and a control unit, the control unit being configured, when the turbomachine is at rest, to actuate the drive system when the deformation deflection of the shaft measured by the sensor is greater than a first predetermined value, and to stop rotating the shaft when both the deflection is less than or equal to a second predetermined value, the second predetermined value being less than the first predetermined value, and at the end of a second predetermined period counted from the time where the deflection becomes smaller than the second predetermined value.