F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/34 (2006.01)
Patent
CA 2143664
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 adja- cent the seal face of the rotatable seat ring. The shroud may be provided with a plurality of circumferentially spaced slots. Means are also provided for moving the end of the shroud toward the non-rotatable seal ring when the shaft moves toward the non-rotat- able seal ring.
Cook Milton E.
Marsi Joseph A.
Bw/ip International Inc.
Flowserve Management Company
Macrae & Co.
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