Mechanical shaft seal

Details Mechanical shaft seal Mechanical shaft seal

1978-09-21

1980-04-01

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

041958535

ABSTRACT:
A mechanical shaft seal has a seal ring made of rubber or the like elastic material and disposed between a housing and a floating seat. The seal ring has a poly-arcuate shape consisting of continuous arcuate portions of different diameters. The maximum outer diameter of the seal ring is larger than the inner diameter of the peripheral surface of a stepped recess formed in the housing, while the minimum inner diameter of the seal ring is smaller than the outer diameter of the peripheral surface of a stepped recess formed on the floating seat.

REFERENCES:
patent: 4083569 (1978-04-01), Negro
patent: 4111436 (1978-09-01), Yazawa

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