Two stage labyrinth pattern inclusion device

Details Two stage labyrinth pattern inclusion device Two stage labyrinth pattern inclusion device

1977-11-25

1979-11-27

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1544

Patent

active

041757521

ABSTRACT:
There is disclosed an improved unitary sealing ring that is used on the shafts of rotating elements. The ring has first and second axial faces. The second face has a recess forming a flange therein. At least one annular groove extends along the inwardly radially extending surface. A first axially and longitudinally extending groove communicating between the annular groove or grooves and the axial face. A second longitudinally extending groove extends from the first face to the second face on the outer surface of said ring. The annular groove or grooves function as an oil groove or grooves and the axially and longitudinally extending grooves are designed to accumulate foreign particles that may be incursive with respect to the journalling means of a driving or driven device. These foreign particles are then expelled to the second axially and longitudinally extending groove due to the centrifugal force when the device is being operated.

REFERENCES:
patent: 2891808 (1959-06-01), Richardson
patent: 3472518 (1969-10-01), Harlan
patent: 4022479 (1977-10-01), Orlowski
patent: 4114902 (1978-09-01), Orlowski

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