Magnetic seal

Details Magnetic seal Magnetic seal

1991-07-09

1992-11-10

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 81R, 277 93R, F16J 1534

Patent

active

051618044

ABSTRACT:
A magnetic seal for rotating shafts having a first and second annular members. Each of the annular members having a source of magnetic force with the lines of magnetic force being axially aligned with the shaft. A stationary insert positioned in said housing and having a sealing face adjacent the annular members. The first and second annular rings being rotatively connected with the second ring being sealed to the shaft and a face related to the second member for sealing contact with the face of the insert. The first of the rings secured to the shaft for annular rotation.

REFERENCES:
patent: 2843403 (1958-07-01), Stevenson
patent: 3050319 (1962-08-01), Colby
patent: 3550989 (1970-12-01), Hall
patent: 3708177 (1973-01-01), Baermann
patent: 3869135 (1975-03-01), Diederich
patent: 4447063 (1984-05-01), Kotzur et al.
patent: 4486026 (1984-12-01), Furamura et al.
patent: 4605234 (1986-08-01), Metcalf
patent: 4795168 (1989-01-01), Adams et al.

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