Mechanical face seals

Details Mechanical face seals Mechanical face seals

1990-06-04

1991-06-25

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 27, 277 83, F16T 1536

Patent

active

050260766

ABSTRACT:
A mechanical face seal for providing a seal between a shaft and a housing includes a first seal face member mounted on the shaft in fixed rotational and axial relationship and sealed with respect thereto and a second seal face member mounted in fixed rotational relationship but moveable axially of the housing; said second seal face member being sealed with respect to the housing by means of a sealing element, the sealing element being located in a groove defined between opposed surfaces of the second seal face member and housing, the wall of the groove between the sealing element and the side of the seal exposed to a product being defined by a low friction insert slidably mounted on the second seal face member and providing a close clearance with the housing.

REFERENCES:
patent: 2760794 (1956-08-01), Hartranft
patent: 2839317 (1958-06-01), Haake
patent: 4427204 (1984-01-01), Allen
patent: 4469336 (1984-09-01), Linne
patent: 4552368 (1985-11-01), Wallace

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