Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1991-12-09
1992-12-29
Cuchlinski, Jr., William A.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277 55, 4151745, F16J 15447
Patent
active
051745828
ABSTRACT:
A brush seal is formed by bristles tightly packed between two annular sideplates having different inner radii and secured to a housing. The free ends of the bristles are in rubbing contact with a shaft. The differential pressure which the seal can support is increased by loading the bristles against the annular sideplate having the smaller inner radius, the loading force being such that the bristles can still move in the plane of the seal. As a result the amount of relative movement of shaft and housing that the seal can tolerate is not reduced.
REFERENCES:
patent: 4358120 (1982-11-01), Moore
patent: 5026252 (1991-06-01), Hoffelner
patent: 5066024 (1991-11-01), Reisinger et al.
patent: 5090710 (1992-02-01), Flower
Cuchlinski Jr. William A.
Folker James K.
Rolls-Royce plc
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