Shaft mounted and impeller mounted pumping sleeve and bushing

Details Shaft mounted and impeller mounted pumping sleeve and bushing Shaft mounted and impeller mounted pumping sleeve and bushing

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/00 (2006.01) F04D 3/02 (2006.01) F04D 29/04 (2006.01) F04D 29/10 (2006.01) F04D 29/22 (2006.01) F04D 29/32 (2006.01) F16J 15/40 (2006.01)

Patent

CA 2126262

The present invention relates to a Shaft-Mounted and Impeller- Mounted Pumping Sleeve and Bushing. Various devices have been previously proposed for relieving the pressure inside the stuffing box of a pump. In practice, however, these devices have proven to be inefficient and expensive to install. Such devices use a centrifugal force to displace the fluid by the use of a repeller. They do not perform the following functions: A. circulate the fluid through the stuffing box B. regulate pressure in the stuffing box C. allow for any impeller adjustment as the impeller wears It is an objective of the present invention to avoid or minimise one or more of the above mentioned disadvantages.

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