Shroud enclosure for brittle mechanical face materials

Details Shroud enclosure for brittle mechanical face materials Shroud enclosure for brittle mechanical face materials

1994-07-14

1996-09-17

Cummings, Scott W.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 81R, F16J 1534

Patent

active

055561101

ABSTRACT:
A mechanical seal assembly having a rotatable seal ring connected to the shaft and a non-rotatable seal ring connected to the housing. A cylindrical drive ring encircles the rotatable seal ring and an annular shroud is mounted to the cylindrical drive ring and extends from it terminating in an annular lip that is disposed in contacting relationship with the rotatable seal ring adjacent the seal face of the rotatable seal ring. The shroud may be provided with a plurality of circumferentially spaced slots. A connection is provided for moving the end of the shroud toward the non-rotatable seal ring when the shaft moves toward the non-rotatable seal ring.

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