Constant pressure drop multiple stage brush seal

Details Constant pressure drop multiple stage brush seal Constant pressure drop multiple stage brush seal

1990-10-11

1992-04-21

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 53, 4151745, F16J 15447

Patent

active

051061040

ABSTRACT:
A multiple stage brush seal having a controlled distribution of pressure drops across each stage of the seal is provided. The pressure drop across each stage is controlled by one or a combination of the following structural arrangements: increased clearance gaps, reduced bristle packing, and venting holes in the seal stage backing plate.

REFERENCES:
patent: 885032 (1908-04-01), De Ferranti
patent: 1626237 (1921-07-01), Hodgkinson
patent: 2018372 (1935-10-01), Mason
patent: 4202554 (1980-05-01), Shell
patent: 4756536 (1988-07-01), Belcher

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