Shaft sealing arrangement

Details Shaft sealing arrangement Shaft sealing arrangement

1977-02-28

1979-05-08

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1540

Patent

active

041532597

ABSTRACT:
A seal device is provided for sealing the annular space between a machine element and a rotating shaft. The seal comprises a annular chamber in a housing which opens inwardly toward the shaft. An annular seal element of elastomeric material engages the walls of the chamber and a sleeve mounted on the shaft. Means are provided to supply fluid to the space between the seal element and sleeve to selectively more the same out of contact.

REFERENCES:
patent: 3021146 (1962-02-01), Sommer et al.
patent: 3088744 (1963-05-01), Ezekiel et al.
patent: 3514113 (1970-05-01), Weiswurm
patent: 4013298 (1977-03-01), Bjerk
patent: 4021050 (1977-05-01), Powers

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