Bearing seal for universal ball joint

Details Bearing seal for universal ball joint Bearing seal for universal ball joint

1988-07-05

1990-01-16

Arola, Dave W.

Pipe joints or couplings

Flexible joint, rigid members

Bellows

285263, 285286, 285910, F16L 2704

Patent

active

048938475

ABSTRACT:
An aircraft engine bleed air ducting system including at least one universal ball joint within said ducting, said joint fitted with an annular bearing seal to seal and reduce the coefficient of friction between moving parts in said joint during angulation of said joint. The annular bearing seal includes a reinforcement wire surrounded by a graphite composition, which composition is in direct contact with parts of said bearing seal and said wire aids in prevention of deformation of said bearing seal.

REFERENCES:
patent: 1974780 (1934-09-01), Mann
patent: 2840394 (1958-06-01), Rohr
patent: 4427220 (1984-01-01), Decker
patent: 4462603 (1984-07-01), Usher et al.
patent: 4516782 (1985-05-01), Usher
patent: 4747624 (1988-05-01), Faber

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