Patent ID: 11891902
Assignee: PRATT & WHITNEY CANADA CORP.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A measurement system for an aircraft gas turbine engine, the measurement system comprising:
an instrumentation hub disposed about a rotational axis, the instrumentation hub including at least one probe; and
a shield hub disposed about the rotational axis and positioned axially adjacent the instrumentation hub, the shield hub including at least one shield configured to be radially aligned with the at least one probe of the instrumentation hub, the shield hub rotatable about the rotational axis independent of the instrumentation hub, the at least one shield axially translatable between a first axial position and a second axial position, the at least one shield in the first axial position axially aligned with the at least one probe and the at least one shield in the second axial position axially separated from the at least one probe.