Brush seal and turbo machine with brush seal

摘要

The invention relates to a brush seal (1) for sealing a gap (2) between a shaft (3) and a housing (4). The brush seal has at least two brush packages (5, 6) connected in series, each consisting of a plurality of individual items (8) directed substantially perpendicular to the shaft axis (7). The bristles, at least of the front brush pack (5) in the direction of flow, are set counter to the direction of flow by an angle of attack (α). This reduces the Aufschwingverhalten the individual bristles (8), whereby the brush seal (1) withstands higher pressure differences, without causing the destruction of the brush seal (1).