PUMPING DEVICE AT LEAST FOR PUMPING A FLUID MEDIUM AND A PUMP WITH SUCH PUMPING DEVICE Russian patent published in 2023 - IPC F04B43/00 F04B43/08 F04B43/12 F04B53/16 F04B53/20 F04B53/22 F04C5/00 

FIELD: pump devices.

SUBSTANCE: pumping device, at least for pumping a fluid medium, with at least one pumping chamber (18), at least one dimensionally stable pumping chamber element (20), which, in particular, is formed separately from the casing (14), at least partially delimits the pumping chamber (14), and at least one resiliently deformable annular pumping element (18), in particular a pumping membrane, which limits the pumping chamber (22) together with the pumping chamber element (18) and is placed on the pumping chamber element (20). The pumping chamber element (20) comprises at least one connecting part (38) for the adapter (28) of the fluid supply line, which, in particular, is designed in such a way that it differs from the hose, and/or, in particular, at least at least one additional connecting part (40) for the adapter (30) of the fluid outlet line, which, in particular, is designed in such a way that it differs from the hose. Said connecting piece(s) is(are) placed on the side, in particular on the outer side, of the pumping chamber element (20) facing away from the pumping element (22). One displacement compensation unit (52), which comprises at least one elastomeric damping element (54, 56) located between the connecting part (38) and the adapter (28) of the fluid supply line, for at least partial compensation and/or damping relative displacements between the adapter (28) of the fluid supply line and the connecting part (38), when the connecting part (38) is connected to the adapter (28) of the fluid supply line, and/or the displacement compensation unit (52) comprises at least one an elastomeric damping element (54, 56) located between the additional connecting piece (40) and the adapter (30) of the fluid outlet line, for at least partial compensation and/or damping of relative movements between the adapter (30) of the fluid outlet line and, in particular, by an additional connecting part (40) when the additional connecting part (40) is connected to the adapter (30) of the fluid outlet line.

EFFECT: ensuring the availability of a pumping device and/or a pump that has (have) improved properties with respect to the primary maintenance function and/or pumping function.

9 cl, 10 dwg