PUMP HOUSING FOR CENTRIFUGAL PUMP AND CENTRIFUGAL PUMP Russian patent published in 2022 - IPC F04D29/42 F04D29/08 

FIELD: pumps.

SUBSTANCE: pump housing for a centrifugal pump, wherein the pump housing extends in the axial direction (A) and has a first housing part (2), a second housing part (3) for tight connection to the first housing part (2), a plurality of fasteners (4) for connecting the first and second body parts (2, 3) and a radial sealing element (5) for sealing between the first and second body parts (2, 3), wherein the first housing part (2) has a first axial end surface (21), and the second body part (3) has a second axial end surface (31), while said first and second axial end surfaces (21, 31) face each other, and the first axial end surface (21) contains an annular protrusion (22) continuing in the axial direction (A), and the second axial end surface (31) contains an annular recess (32) configured to engage with the annular protrusion (22) and provide external centering, while the annular protrusion (22) is located radially internally relative to the fasteners (4). In addition, a centrifugal pump is proposed.

EFFECT: pump improvement.

15 cl, 7 dwg