US 12,359,675 B2
Blade arrangement having microblades
Boris Janjic, Frankenthal (DE); and Sebastian Lang, Frankenthal (DE)
Assigned to KSB SE & Co. KGaA, Frankenthal (DE)
Appl. No. 18/580,238
Filed by KSB SE & Co. KGaA, Frankenthal (DE)
PCT Filed Jul. 14, 2022, PCT No. PCT/EP2022/069793
§ 371(c)(1), (2) Date Jan. 18, 2024,
PCT Pub. No. WO2023/001699, PCT Pub. Date Jan. 26, 2023.
Claims priority of application No. 10 2021 118 564.5 (DE), filed on Jul. 19, 2021.
Prior Publication US 2024/0328428 A1, Oct. 3, 2024
Int. Cl. F04D 29/24 (2006.01); F04D 29/22 (2006.01)
CPC F04D 29/242 (2013.01) [F04D 29/2222 (2013.01)] 2 Claims
OG exemplary drawing
 
1. A centrifugal pump comprising:
a blade arrangement, wherein
the blade arrangement has a carrier unit, on which blades are arranged,
the blades are subdivided into segments,
the carrier unit is divided into annular portions which adjoin one another radially, and
the segments are arranged offset from one another in each of the annular portions, wherein
an annulus width, along a radial direction of the carrier unit, for each of the annular portions is configured to be the same for all of the segments, the segments are arranged so as to overlap two annular portions and the segments are of the same length and having a rectilinear shape, and the annular portions are radially concentric relative to one another.