Laminated finger seal

Details Laminated finger seal Laminated finger seal

1989-12-21

1991-08-27

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 57, F16J 1548

Patent

active

050428233

ABSTRACT:
An annular seal apparatus of the labyrinth type includes at least a pair of axially stacked thin diaphragm members. Each of diaphragm members includes a planar array of radially and circumferentially extending fingers separated by gaps. The pair of diaphragm members are disposed so that the fingers of each block the gaps of the other to define an axially extending annular labyrinth.

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Technical Paper Entitled "Brushes as High Performance Gas Turbine-Seals" by J. G. Ferguson.

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