US 12,066,034 B2
Grooved side liner for centrifugal pump
Garry Glaves, Eastwood (AU); and Cesar Calma, Penshurst (AU)
Assigned to WEIR MINERALS AUSTRALIA LTD., (AU)
Appl. No. 18/031,343
Filed by Weir Minerals Australia Ltd., Sydney (AU)
PCT Filed Oct. 29, 2021, PCT No. PCT/AU2021/051264
§ 371(c)(1), (2) Date Apr. 11, 2023,
PCT Pub. No. WO2022/087675, PCT Pub. Date May 5, 2022.
Claims priority of application No. 2020903927 (AU), filed on Oct. 29, 2020.
Prior Publication US 2023/0375003 A1, Nov. 23, 2023
Int. Cl. F04D 29/42 (2006.01); F04D 7/04 (2006.01)
CPC F04D 29/4286 (2013.01) [F04D 7/04 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A side liner for a centrifugal slurry pump having main pumping vanes, the side liner comprising:
a centrally located aperture;
at least four grooves to disrupt flow of a mineral slurry on a surface contacting the mineral slurry pumped by the centrifugal slurry pump, each groove of the at least four grooves being an arc extending radially from an inner edge of the surface, located near the aperture, to an outer edge of the surface, and having a start and end between the inner edge and the outer edge, wherein the at least four grooves includes recessed grooves and protruding grooves.