Hydrodynamic seal

Details Hydrodynamic seal Hydrodynamic seal

1979-07-18

1980-07-15

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277152, F16J 1532

Patent

active

042124760

ABSTRACT:
Disclosed is a hydrodynamic seal comprising a sealing member of a fluorine resin including a sealing lip portion having a conical shape and a fixing portion extending from the sealing lip portion in the radial direction, a gripping support member for gripping and supporting the fixing portion of said sealing member and a coil spring member wound helically in the conical shape on the sealing lip portion of the sealing member, wherein a spiral projection is formed on the peripheral face of the sealing lip portion by the spring member.

REFERENCES:
patent: 2932535 (1960-04-01), Peickii et al.
patent: 3346265 (1967-10-01), Rhoads et al.
patent: 3929341 (1975-12-01), Clark
patent: 4119324 (1978-10-01), Denton
patent: 4132421 (1979-01-01), Corsi et al.

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