Patent ID: 11920481
Assignee: SAFRAN AERO BOOSTERS
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 0:
1. A module for a compressor of a turbomachine, said module comprising:
a substantially axisymmetric central hub;
an outer ring, arranged in a coaxial position with the central hub;
an annular row of arms extending from the central hub to the outer ring and defining inter-arm spaces between two circumferentially adjacent arms of the annular row of arms; and
an annular row of upstream stator vanes and an annular row of downstream stator vanes, extending from the central hub to the outer ring and arranged at least partially in the inter-arm spaces;
wherein the upstream and downstream stator vanes are orientable around a respective axis of each stator vane, and wherein each arm of the row of arms has an upstream portion that is stationary and each arm of the row of arms has a downstream flap that is pivotable about a respective axis of each downstream flap; and
wherein each arm has an upstream portion that is asymmetrical with respect to an axis of symmetry of the hub and that has a profile corresponding to a profile of the upstream stator vanes.