Patent ID: 11958599
Assignee: nan
Field: Transport (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 0:
1. A lifting structure positioned in a fluid flow, the lifting structure including a first wall which has a first outer surface in contact with the fluid flow and a first inner surface opposite to the first outer surface, a second wall which has a second outer surface in contact with the fluid flow and a second inner surface opposite to the second outer surface, a framework, the framework comprising a plurality of stringers, connecting the first and second walls and being spaced between the first and second walls from upstream to downstream, the first and second outer surfaces joining at a trailing edge located downstream of said first and second walls, the first and second walls and the framework being configured to occupy a first state or a second state different from the first state, and wherein the first and second walls and the framework are configured to passively deform elastically, over at least a downstream part of the lifting structure that extends to the trailing edge, between the first state in the absence of external stress and the second state in the presence of external stress induced by the fluid flow due to a change of orientation of the lifting structure and/or of the fluid flow.