F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
277/20.2
F01D 11/00 (2006.01) F16J 15/16 (2006.01) F16J 15/36 (2006.01)
Patent
CA 1262156
- 13 - CENTRIFUGAL PUMP SEAL ABSTRACT OF THE DISCLOSURE A centrifugal pump seal for providing a liquid seal to a vertically oriented pump drive shaft, including a bellows seal fixedly attached to the drive shaft and having a rotatable sealing ring as a part thereof, mated to a fixed sealing ring held in a seal housing, and a seal chamber surrounding the bellows seal and shaft, for containing pump liquid, wherein the fixed and rotatable seal rings and a portion of the seal housing are exposed to liquid contact for cooling, including a recirculating bleed line for continuously replenishing the liquid in the seal chamber.
493526
Graco Inc.
Kirby Eades Gale Baker
Larson James H.
LandOfFree
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