Mechanical seal with eccentric seal faces

Details Mechanical seal with eccentric seal faces Mechanical seal with eccentric seal faces

1979-08-13

1982-04-06

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 65, 277 83, 277 961, F16J 1534

Patent

active

043232558

ABSTRACT:
A mechanical seal assembly adapted to be associated with a rotatable shaft and a housing and having three seal rings, one connected to the shaft and thus rotatable, another connected to the housing and thus stationary, and the third or center intermediate the rotatable and the stationary seal rings. The center seal ring has spaced faces each engaging an adjacent face of the adjacent ring. The center or intermediate seal ring has its seal faces defined by circular boundaries radially offset from one another and from the axial center of the assembly. In other words, the seal faces of the center ring eccentric to one another and each is eccentric to the contact face of the adjacent ring.

REFERENCES:
patent: 2586739 (1952-02-01), Summers
patent: 2884268 (1959-04-01), Amirault et al.
patent: 2912265 (1959-11-01), Brummer
patent: 3035841 (1962-05-01), Riester
patent: 3499653 (1970-03-01), Gardner
patent: 4266786 (1981-05-01), Wiese

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