| CPC F01D 11/003 (2013.01) [F05D 2230/20 (2013.01); F05D 2240/56 (2013.01); F05D 2300/132 (2013.01)] | 7 Claims |
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1. A seal assembly comprising:
a support ring extending annularly around a seal axis, the support ring having a front wall axially opposed to a rear wall; and
a seal extending annularly around the seal axis, the seal extending radially inwardly from the support ring, the seal having a succession of lobes of a flat metal material circumferentially distributed around the seal axis, each lobe of the succession of lobes having a pair of segments extending radially inwardly from a fold, relative the seal axis, the fold secured at the support ring and axially trapped between the front wall and the rear wall, the fold having a bending radius defined around a bending axis, the bending axis oriented parallel to the seal axis;
wherein the folds of the plurality of strips are external folds, further comprising a plurality of internal folds connecting segments of adjacent ones of the pairs of segments radially inwardly relative the external folds;
wherein all the internal folds have a bending radius smaller than the bending radius of all the external folds; and
wherein the flat metal material has a length extending from one of the segments of the pair of segments to an other one of the segments of the pair of segments via the external folds and internal folds, the flat material includeing a plurality of wires parallel to one another and oriented along the length, a thickness of the flat metal material corresponding to a diameter of the wires, and wax holdingg the plurality of wires to one another, the seal assembly being a brush seal.
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