Constant force face seal

Details Constant force face seal Constant force face seal

1978-04-14

1979-08-21

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1534

Patent

active

041650816

ABSTRACT:
A face seal for sealing the joint between a rotary shaft and a stationary using, said seal comprising two sealing discs engaged together through the biasing force of a zero rate spring means. The spring means provides a constant biasing force to maintain a pre-determined sealing engagement force between the discs irrespective of such disturbances as manufacturing tolerances, component assembly errors, service oscillations of the shaft, vibrational effects, or service wear on the sealing discs.

REFERENCES:
patent: 3480285 (1969-11-01), Anderson
patent: 3621443 (1971-11-01), Sewell
patent: 3827702 (1974-08-01), Winiarz
patent: 3856077 (1974-12-01), Siegla
patent: 3887200 (1975-06-01), Engelking et al.

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