Hybrid labyrinth and cloth-brush seals for turbine applications

Details Hybrid labyrinth and cloth-brush seals for turbine applications Hybrid labyrinth and cloth-brush seals for turbine applications

1995-05-09

2000-01-04

Cummings, Scott

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 56, 4151742, 4151735, 4151745, F16J 15447

Patent

active

060101326

ABSTRACT:
A hybrid labyrinth-brush seal is provided in a flow path between relatively moving parts such as a shaft and a fixed housing. The labyrinth seal includes a plurality of teeth extending radially from one part toward the other providing a labyrinth seal. The brush seal includes generally radially extending bristles in the form of a bristle pack extending generally radially between the teeth of the labyrinth seal toward the rotating part such that the distal ends thereof engage the rotating part.

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