Pump device
AssigneeHerborner Pumpenfabrik J.H. Hoffmann GmbH & Co. KG
InventorsSascha Korupp, Michael Kahsnitz
Life of this patent
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Abstract
The invention relates to a pump device for operating vacuum drainage systems and for pumping sewage, in particular on watercrafts. This pump device comprises a drive device having a drive shaft that comprises a first shaft end and a second shaft end and can be rotated by means of the drive device. The pump device further comprises a centrifugal pump which has at least one impeller that is connected in a torque-proof manner to the drive shaft in the region of the first shaft end.
Claims14
A pump device (10) for operating vacuum drainage systems and for pumping sewage, in particular on watercrafts, comprising a drive device (20) having a drive shaft (22) that comprises a first shaft end (22a) and a second shaft end (22b) and can be rotated by means of the drive device (20), a centrifugal pump (30) having at least one impeller (32) that is connected in a torque-proof manner to the drive shaft (22) in the region of the first shaft end (22a), and a vacuum pump (40) having at least one rotor (42) that is connected in a torque-proof manner to the drive shaft (22) in the region of the second shaft end (22b).
Dependencies are inferred from the claim text.