# US 10,374,484 B2 · Current generation device for pipeline > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,374,484 B2 - Document ID: US10374484B2 - Status: Granted - Kind: B2 - Application number: 14/916,783 - Filed: 2014-08-29 - Published: 2016-08-04 - Granted: 2019-08-06 - Earliest claimed: 2013-09-05 - Assignees: Save Innovations - Applicants: Save Innovations - Inventors: Bernard Perriere - Web page: https://patentgrep.com/patent/US10374484B2 ## CPC - H02K 7/1823: {structurally associated with turbines or similar engines} - F03B 3/04: with substantially axial flow throughout rotors, e.g. propeller turbines {(rotors per se F03B3/126)} - F03B 13/10: Submerged units incorporating electric generators or motors - H02K 1/06: characterised by the shape, form or construction - H02K 3/04: Windings characterised by the conductor shape, form or construction, e.g. with bar conductors - H02K 5/12: specially adapted for operating in liquid or gas (combined with cooling arrangements H02K9/00) - H02K 5/203: {specially adapted for liquids, e.g. cooling jackets} - H02K 9/00: Arrangements for cooling or ventilating (channels or ducts in parts of the magnetic circuit H02K1/20, H02K1/32; channels or ducts in or between conductors H02K3/22, H02K3/24) - F05B 2220/20: within closed fluid conduits, e.g. pipes - F05B 2220/7068: equipped with permanent magnets - Y02E 10/20: Hydro energy - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) - F03B: MACHINES OR ENGINES FOR LIQUIDS (positive-displacement engines for liquid F03C; machines for liquids and gases F01; positive-displacement machines for liquids F04, rotary fluid gearing of the hydrokinetic type F16H41/00) - F05B: INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract The device for generating an electrical current, intended for a pipeline, includes a pipe element (1), a rotor (2) suitable for being set in motion by the fluid and a stator (3a, 3b) arranged to cooperate with an end of the rotor (2) opposite to an axis of rotation (4) of said rotor (2) in order to generate the electrical current. The axis of rotation (4) is mounted at its opposing longitudinal ends (4a, 4b) on first and second supports (5a, 5b) arranged on either side of the plane of rotation (P1) of the rotor (2) and each linked to the pipe element (1). The stator has at least one ring (3a) arranged on one side of the rotor (2), and each ring (3a, 3b) includes a circuit suitable for generating all or part of the electrical current when excited by a magnetic element of the rotor (2). ## Claims ### Claim 1 A device for generating an electrical current intended to form a part of a pipeline for the circulation of a fluid, the device comprising: a pipe element, a rotor suitable for being set in motion by the fluid upon passage of the fluid into the device, and a stator arranged to cooperate with a radial end of the rotor opposite to an axis of rotation of the rotor in order to generate the electrical current upon said motion, the axis of rotation of the rotor being rotatably mounted at its opposing longitudinal ends on a first support and a second support each linked to the pipe element, wherein the stator comprises at least one ring arranged on one side of the rotor, and each ring comprises a circuit suitable for generating all or part of the electrical current when it is excited by at least one magnetic element of the rotor, wherein the rotor comprises an impeller portion configured for interacting with the fluid and a radial portion configured for interacting with the stator for generating the electrical current, the impeller portion and the radial portion being mounted on the axis of rotation at a location placed longitudinally between the first support and the second support, wherein at least one of the first support and the second support comprises a system or setting a distance separating the first and second supports, wherein the system comprises a setting member having a surface of contact of the support with one of the longitudinal ends of the axis of rotation of the rotor, wherein the surface of contact is translatable in a longitudinal direction. ### Claim 2 (depends on 1) The device according to claim 1, comprising a housing in which are arranged the rotor and the stator, the pipe element comprising a first pipe part and a second pipe part arranged on either side of the housing. ### Claim 3 (depends on 2) The device according to claim 2, comprising a first shell and a second shell joined to one another so as to form the housing, wherein the first shell comprises the first pipe part and the second shell comprises the second pipe part. ### Claim 4 (depends on 3) The device according to claim 3, wherein the first and second shells are joined to one another in a dismantleable manner. ### Claim 5 (depends on 2) The device according to claim 2, wherein the first and second pipe parts are coaxial to one another and with the axis of rotation of the rotor. ### Claim 6 (depends on 1) The device according to claim 1, wherein the stator is arranged so that a part of the fluid participates in cooling the stator upon passage of the fluid into the device. ### Claim 7 (depends on 6) The device according to claim 6, wherein at least one passage is formed in the stator so as to cool the stator by allowing a circulation of the part of fluid through the passage. ### Claim 8 (depends on 7) The device according to claim 7, wherein the circuit of each ring comprises at least one coil, the at least one passage being formed along the winding axis of the coil. ### Claim 9 (depends on 6) The device according to claim 6, wherein the stator has an outer surface in contact with the part of fluid and allowing a cooling by convection. ### Claim 10 (depends on 9) The device according to claim 9, wherein the outer surface of the stator is arranged facing the rotor. ### Claim 11 (depends on 1) The device according to claim 1, wherein at least one longitudinal end of the axis of rotation is in contact with one of the first and second supports and is distant from the plane of rotation of the rotor by a distance greater than or equal to the radius of the rotor. ### Claim 12 (depends on 1) The device according to claim 1, wherein the first support comprises a first surface of contact with a first end face of the axis of rotation of the rotor, wherein the first surface of contact is formed by a part of a first spherical surface facing the first end face of the axis of rotation in a longitudinal direction, and wherein the second support comprises a second surface of contact with a second end face of the axis of rotation of the rotor, wherein the second surface of contact is formed by a part of a second spherical surface facing the second end face of the axis of rotation in a longitudinal direction. ### Claim 13 (depends on 12) The device according to claim 12, wherein the first support and the second support each comprise a cavity extending between the first surface of contact, respectively the second surface of contact, and an associated opening allowing the insertion of a corresponding part of the axis of rotation, each cavity comprising a first section of cylindrical section and a second section widening from the first section towards the opening, and wherein, for each cavity, the corresponding part of the axis of rotation is housed in the cavity and has a form complementing the cavity. ### Claim 14 (depends on 1) The device according to claim 1, wherein the stator comprises two rings, wherein a system for maintaining the distance separating the two rings is arranged on either side of the plane of rotation of the rotor. ### Claim 15 (depends on 14) The device according to claim 14, wherein the maintaining system comprises a spacer linking the two rings. ### Claim 16 (depends on 1) An installation provided with a pipeline for circulation of a fluid in which the fluid circulates, wherein the pipeline comprises at least one electrical current generation device according to claim 1. ### Claim 17 (depends on 1) The device according to claim 1, comprising two rings arranged on either side of the rotor. ### Claim 18 (depends on 1) The device according to claim 1, wherein the system sets a longitudinal position of the plane of rotation of the rotor between the first and second supports.