# US 12,119,729 B2 · Interconnections, sensors and control electronics mounted on a plastic bearing of an electric machine > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,119,729 B2 - Document ID: US12119729B2 - Status: Granted - Kind: B2 - Application number: 17/621,100 - Filed: 2020-06-29 - Published: 2022-11-03 - Granted: 2024-10-15 - Earliest claimed: 2019-06-27 - Assignees: Valeo Equipements Electriques Moteur - Applicants: Valeo Equipements Electriques Moteur - Inventors: Pierre Faverolle; Khadija El Baraka; Svetislav Jugovic; Othmane Ouazzani Jamil - Web page: https://patentgrep.com/patent/US12119729B2 ## CPC - H02K 5/15: Mounting arrangements for bearing-shields or end plates - H02K 5/225: {Terminal boxes or connection arrangements (specially adapted for submersible motors H02K5/132)} - H02K 3/50: Fastening of winding heads, equalising connectors, or connections thereto - H02K 5/1732: {radially supporting the rotary shaft at both ends of the rotor (H02K5/1737 takes precedence)} - H02K 11/21: Devices for sensing speed or position, or actuated thereby (specially adapted for machines having non-mechanical commutating devices H02K29/06, H02K29/14) - H02K 11/25: Devices for sensing temperature, or actuated thereby - H02K 11/27: Devices for sensing current, or actuated thereby (overcurrent protection responsive to temperature of the machines or parts thereof, e.g. windings, H02K11/25) - H02K 3/522: {for generally annular cores with salient poles} - H02K 5/08: Insulating casings - H02K 11/215: Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements - H02K 11/40: Structural association with grounding devices - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) ## Abstract A bearing for a rotating electric machine. The bearing includes a plastic body and at least one electrical conductor fixed to the plastic body in a non-detachable manner. ## Claims ### Claim 1 A bearing for a rotating electric machine, comprising: a plastic body; and at least one electrical conductor fixed to the plastic body in a non-detachable manner, wherein the electrical conductor is a track that is at least partially molded into the bearing, wherein the track is configured to connect: at least one first winding end to a connection pad for connection to power electronics of the machine or two second winding ends to one another, or a first point, connected to an element that is at the ground potential of control electronics, to a second point, connected to an element that is at the ground potential of a motor controller, and wherein the plastic body further comprises a probe of a current detection device positioned facing at least one track. ### Claim 2 (depends on 1) The bearing as claimed in claim 1, wherein the electrical conductor is a track on the surface of the bearing. ### Claim 3 (depends on 1) The bearing as claimed in claim 1, wherein the track is intended to connect a first winding end to a connection pad for connection to the power electronics of the machine or two second winding ends to one another, the body comprising a molded wall surrounding the at least one connection pad. ### Claim 4 (depends on 1) The bearing as claimed in claim 1, whose body comprises a probe of a thermal unit. ### Claim 5 (depends on 1) The bearing as claimed in claim 1, whose body also comprises at least one probe of a rotor position sensor. ### Claim 6 (depends on 1) The bearing as claimed in claim 1, into the body of which is molded at least one guide channel suitable for guiding at least one electrical connector. ### Claim 7 (depends on 1) A rotating electric machine comprising a polyphase stator surrounding a rotor mounted on a shaft extending along an axis X corresponding to the axis of rotation of the rotor and at least one bearing comprising a bearing receptacle for the rotational mounting of the shaft, the bearing being as claimed in claim 1. ### Claim 8 (depends on 2) The bearing as claimed in claim 2, wherein the track is intended to connect: at least one first winding end to a connection pad for connection to power electronics of the machine or two second winding ends to one another, or a first point, connected to an element that is at the ground potential of control electronics, to a second point, connected to an element that is at the ground potential of a motor controller. ### Claim 9 (depends on 1) The bearing as claimed in claim 1, whose body comprises a probe of a thermal unit. ### Claim 10 (depends on 1) The bearing as claimed in claim 1, whose body also comprises at least one probe of a rotor position sensor. ### Claim 11 (depends on 1) The bearing as claimed in claim 1, into the body of which is molded at least one guide channel suitable for guiding at least one electrical connector. ### Claim 12 (depends on 1) A rotating electric machine comprising a polyphase stator surrounding a rotor mounted on a shaft extending along an axis X corresponding to the axis of rotation of the rotor and at least one bearing comprising a bearing receptacle for the rotational mounting of the shaft, the bearing being as claimed in claim 1. ### Claim 13 (depends on 2) The bearing as claimed in claim 2, whose body also comprises a probe of a current detection device positioned facing at least one track. ### Claim 14 (depends on 2) The bearing as claimed in claim 2, whose body comprises a probe of a thermal unit. ### Claim 15 (depends on 2) The bearing as claimed in claim 2, whose body also comprises at least one probe of a rotor position sensor. ### Claim 16 (depends on 2) The bearing as claimed in claim 2, into the body of which is molded at least one guide channel suitable for guiding at least one electrical connector. ### Claim 17 A bearing for a rotating electric machine, comprising: a plastic body; and at least one electrical conductor fixed to the plastic body in a non-detachable manner, wherein the electrical conductor is a track on the surface of the bearing, wherein the track is configured to connect: at least one first winding end to a connection pad for connection to power electronics of the machine or two second winding ends to one another, or a first point, connected to an element that is at the ground potential of control electronics, to a second point, connected to an element that is at the ground potential of a motor controller, and wherein the plastic body further comprises a probe of a current detection device positioned facing at least one track.