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Brush Seal

The brush seal consists of ultra thin wires and two plates. The seal follows the change of clearances between the stator and the rotor and misalignment flexibly to achieve excellent sealing capability, so is supposed to improve engine output and fuel efficiency significantly. Traditionally, the brush seal was used in aircraft gas turbines and contributed to reduce leakage of secondary air. Today, it is improved for large-size industrial gas turbines and installed to late-model gas turbines instead of a labyrinth seal.


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