F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
277/20.4
F16J 15/48 (2006.01) F04D 29/12 (2006.01) F16J 15/38 (2006.01)
Patent
CA 1148188
FACE SEAL SYSTEM ABSTRACT OF THE DISCLOSURE A face seal system for sealing passage of a rotatable shaft through an opening in a wall separating two fluid pressure regions. An annular recess opening axially toward the first fluid region is defined by means on the annular wall. A generally annular seal member is received axially in the recess and includes a seal face presented axially toward the first fluid pressure region and spring means in the recess for urging the seal face into sealing engagement with respect to the shaft. A passage communicates the first fluid pressure to the axial side of the seal member opposite the seal face for assisting the spring in urging the seal face into sealing engagement when the first fluid pressure exceeds the second fluid pressure. Means on the wall prevent rota- tion of the seal member with the shaft. An annular resilient seal ring is placed concentrically between the seal member and an axially extending annular flange about the shaft to prevent passage of fluid therebetween.
370945
Garrett Corporation (the)
Ridout & Maybee Llp
LandOfFree
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