Patent ID: 11953013
Assignee: SULZER MANAGEMENT AG
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A centrifugal pump for pumping a multiphase suspension containing liquid, solid material and gas, the pump comprising:
a pump housing having a suspension inlet and a suspension outlet and a flow channel between the inlet and the outlet;
a shaft mounted by bearings so as to be capable of rotating about an axis;
an impeller rotatable by the shaft, in alignment with the suspension inlet and arranged to be rotated about the axis in the flow channel;
gas collecting openings configured to remove gas arranged in the flow channel, an end of the flow channel at the inlet includes a number of static vanes comprising the gas collecting openings connected to gas channels extending through the static vanes, the static vanes extending radially from an inner wall of the flow channel toward a center of the flow channel, and the vanes disposed upstream of the impeller,
wherein the gas collecting openings are disposed at a trailing edge of a respective vane, and/or the gas collecting openings are provided at a backside of the respective vane, with respect to a flow direction when in use.