# US 2021/0277907 A1 · Vertical electric pump with facilitated maintenance > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0277907 A1 - Document ID: US20210277907A1 - Status: Published application - Kind: A1 - Application number: 17/195,930 - Filed: 2021-03-09 - Published: 2021-09-09 - Earliest claimed: 2020-03-09 - Assignees: Dab Pumps S.P.A. - Applicants: Dab Pumps S.P.A. - Inventors: Francesco SINICO; Stefano TAZIOLI; Sara LUCIA - Web page: https://patentgrep.com/patent/US20210277907A1 ## CPC - F04D 27/001: {Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring} - F04D 13/06: the pump being electrically driven - F04D 13/16: with storage reservoirs - F04D 29/007: {especially adapted for liquid pumps} - F04D 29/043: Shafts - F04D 29/406: {especially adapted for liquid pumps} - F04D 29/426: {especially adapted for liquid pumps} - F04D 29/628: {especially adapted for liquid pumps} - F04D 1/06: Multi-stage pumps (F04D1/02, F04D13/10 take precedence) - F04D 1/063: {of the vertically split casing type} - F04D 29/42: for radial or helico-centrifugal pumps - F04D 29/445: {especially adapted for liquid pumps} - F05D 2230/72: Maintenance - F04D: NON-POSITIVE-DISPLACEMENT PUMPS (engine fuel-injection pumps F02M; ion pumps H01J41/12; electrodynamic pumps H02K44/02) - F05D: INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS ## Abstract A vertical electric pump for moving a liquid, comprising a containment jacket which encloses inside it: a mechanical section, which comprises an intake port and a delivery port, the mechanical section containing an assembly for the movement of the liquid which comprises one or more impellers, spaced out by diffusers and keyed on a driving shaft, an electromechanical section, comprising an electric motor, which in turn comprises a rotor and a stator that surrounds the rotor, the rotor being keyed on the driving shaft, the electric pump comprising a set of instruments for the control and monitoring of its operation. The set of instruments for the control and monitoring of the operation of the electric pump is accessible entirely from a single side of the electric pump. ## Claims ### Claim 1 A vertical electric pump for moving a liquid, comprising a containment jacket which encloses inside it: a mechanical section, which comprises an intake port and a delivery port, said mechanical section containing an assembly for movement of said liquid which comprises one or more impellers, interleaved by diffusers and keyed on a driving shaft, an electromechanical section, comprising an electric motor, which in turn comprises a rotor and a stator that surrounds said rotor, said rotor being keyed on said driving shaft, said electric pump comprising a set of instruments for control and monitoring of operation of said electric pump, wherein said set of instruments for the control and monitoring of the operation of the electric pump is accessible entirely from a single side of said electric pump. ### Claim 2 (depends on 1) The electric pump according to claim 1, further comprising an expansion tank accessible from a same side of said electric pump from which said set of instruments for the control and monitoring of said electric pump is accessible. ### Claim 3 (depends on 1) The electric pump according to claim 1, wherein said set of instruments for the control and monitoring of the operation of said electric pump is entirely visible from a single side of said electric pump. ### Claim 4 (depends on 2) The electric pump according to claim 2, wherein said set of instruments for the control and monitoring of the operation of said electric pump comprises one or more operating elements, including: a user interface, and/or one or more pressure sensors, and/or a one-way valve which is fluidically interposed between said delivery port and said expansion tank. ### Claim 5 (depends on 1) The electric pump according to claim 1, further comprising two pressure sensors: a first pressure sensor, fluidically connected to said intake port, a second pressure sensor, fluidically connected to said delivery port. ### Claim 6 (depends on 4) The electric pump according to claim 4, wherein said containment jacket has a substantially cylindrical shape and said elements of said set of instruments for the control and monitoring of the operation of said electric pump and said expansion tank are arranged substantially on the same side of said electric pump, said elements of said set of instruments for the control and monitoring of the operation of said electric pump and said expansion tank being substantially at/proximate to one side of a lateral surface of said containment jacket. ### Claim 7 (depends on 6) The electric pump according to claim 6, further comprising: a shell which contains at least partially an upper portion of said containment jacket, an enclosure which contains at least partially an upper portion of said expansion tank. ### Claim 8 (depends on 7) The electric pump according to claim 7, wherein said shell is associated with the lateral surface of said containment jacket and has a substantially flat surface that is parallel to an axis of extension of said containment jacket, said surface of said shell accommodating said user interface, said user interface also being substantially flat and parallel to said axis of extension of said jacket. ### Claim 9 (depends on 4) The electric pump according to claim 4, further comprising an electronic board to which said one or more pressure sensors and said user interface are connected electrically, said electronic board being contained in said shell and being substantially parallel to said user interface. ### Claim 10 (depends on 1) The electric pump according to claim 1, wherein it is provided with a footing, below said containment jacket, which comprises two parallel manifolds adapted to be connected fluidically to a hydraulic system, respectively: a first manifold, and a second manifold. ### Claim 11 (depends on 10) The electric pump according to claim 10, wherein said first manifold is connected fluidically to said delivery port and said second manifold is connected fluidically to said intake port. ### Claim 12 (depends on 10) The electric pump according to claim 10, wherein an axis of extension of each one of said first and second manifolds is substantially parallel to said surface of said shell. ### Claim 13 (depends on 12) The electric pump according to claim 12, wherein the axis of extension of said second manifold is perpendicular to an axis of extension of said containment jacket.