Patent ID: 9284957
Filing Date: 2016-03-15
CPC Classification: F04B

Claim Text:
1. Underwater conveying assembly comprising: a pump; a drive device connected to drive the pump, the drive device being sealed off with respect to the surrounding water and with respect to a process medium; the pump and the drive device being combined into a module, and the pump having at least two inlet ports and at least one outlet port; a casing which widens downwardly to form a collecting element, the module being arranged within the casing and the collecting element, between the casing and the module a collection space is formed; and at least one suction tube which extends in the axial extent of the pump and is arranged extending inside the collecting element so that it can be introduced into a conveying hole and is flow-connected to one of the at least two inlet ports; and a suction pipe connected to said at least one suction tube at a first position inside the collecting element and connected to said one of the at least two inlet ports of the pump at a second position, relatively farther inside the collecting element than said first position, wherein a first flow path comprises said at least one suction tube, said suction pipe and at least one of said inlet ports in sequence and a second flow path comprises said collection space, said suction pipe, and at least one of said inlet ports in sequence, and wherein the pump is configured to receive process medium through either of said first and second flow paths individually and from both of said paths simultaneously.