SUSPENSION PUMP Russian patent published in 2018 - IPC F04D7/04 F04D29/62 F04D29/20 

FIELD: motors and pumps.

SUBSTANCE: invention relates to a suspension pump. Pump comprises a pump assembly with an outer housing having a first and a second subcomponent of the housing, an impeller having a tapered conical hole, and a combination of the power frame, the base, the bearing sleeve and the drive shaft. Frame and sleeve are slidable with respect to the base and the pump assembly. Shaft has an end with a tapered thread for connecting directly to the thread in the conical hole of the impeller and screwing into it to transmit the torque directly through the thread and to provide axial and/or radial self-centering. Frame has an end cap with holes. Base contains support plates that have wings with holes. Combination further comprises bolts or threaded rods inserted into the apertures of the end cap and corresponding openings of the wings, and nuts screwed to bolts or rods to move while sliding the frame and the bearing sleeve.

EFFECT: invention is aimed at solving the problem of centering the impeller on the shaft in the field without the cost of lifting equipment and time.

3 cl, 3 dwg