Sealing unit with axial brushes controlled by static pressure in

Details Sealing unit with axial brushes controlled by static pressure in Sealing unit with axial brushes controlled by static pressure in

1996-10-28

1997-12-23

DePumpo, Daniel G.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 83, F16J 1538

Patent

active

057000115

ABSTRACT:
Sealing unit made up of a floating body placed between a stator and a rotor, axially mobile along the stator and carrying sealing joints between a high pressure area and a low pressure area separated by the rotor. Another pair of joints and by, by stopping against rotor when the latter is displaced axially, allows a resultant pressure force to be exerted which moves floating body in the same direction as the rotor to reach a position of balance in which the elastic joints operate in satisfactory manner without being subjected to excessive wear and without breaking the seal.

REFERENCES:
patent: 3033579 (1962-05-01), Seaver
patent: 3260530 (1966-07-01), Jelatis et al.
patent: 4071253 (1978-01-01), Heinen et al.
patent: 4434986 (1984-03-01), Warner
patent: 4669735 (1987-06-01), Sundberg et al.
patent: 4813689 (1989-03-01), Stalter et al.
patent: 5000463 (1991-03-01), Sun
patent: 5058905 (1991-10-01), Nosowicz et al.
patent: 5203575 (1993-04-01), Azibert et al.
patent: 5490679 (1996-02-01), Borrino et al.

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