Patent ID: 8936508
Filing Date: 2015-01-20
Classification: B64D,F01D,F02C,F05D

Abstract:
1. A method of avoiding clogging of a stationary grid of an air intake in icing conditions, the method comprising: providing a grid having a mesh with a plurality of elongate elements, including two adjacent elongate elements crossing at a node, each elongate element extending in a long direction (D mounting an anti-icing member around at least one elongate element between the first node and the second node, the anti-icing member having a hollow core with a cross-section corresponding to a cross-section of the at least one elongate element to prevent rotation of the anti-icing member relative to the at least one elongate element; configuring the anti-icing member to have an upstream portion that splits airflow generally symmetrically in the absence of ice to create two balanced vortices behind the grid that do not induce vibrations in the anti-icing member; and providing the upstream portion with a tip for capturing ice, such that the upstream portion splits airflow asymmetrically in the presence of ice creating two unbalanced vortices, inducing vibrations in the upstream portion under the effect of the unbalanced vortices generated by the ice being deposited on the anti-icing member.