Grooved pump chamber walls for flushing fiber deposits

Details Grooved pump chamber walls for flushing fiber deposits Grooved pump chamber walls for flushing fiber deposits

F - Mech Eng,Light,Heat,Weapons

04

C

F04C 2/02 (2006.01) F04C 2/12 (2006.01) F04C 13/00 (2006.01)

Patent

CA 2079729

ABSTRACT OF THE DISCLOSURE A rotary lobe pump has a pair of rotary lobes rotatably mounted in a pump chamber having end walls perpendicular to axes of the lobes and a side wall with which the rotors making sealing contact. At least one of the end walls is provided with a shallow groove in a region between the axes, the groove being of a selected depth and width to permit solid material lodged between the rotors and at least one of the end walls to become disengaged and flushed out while allowing a minimum of fluid to flow through the groove causing pressure loss in the pump.

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