# US 12,184,120 B2 · Stator module and motor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,184,120 B2 - Document ID: US12184120B2 - Status: Granted - Kind: B2 - Application number: 18/409,503 - Filed: 2024-01-10 - Published: 2024-06-13 - Granted: 2024-12-31 - Earliest claimed: 2018-05-31 - Assignees: BYD Company Limited - Applicants: BYD Company Limited - Inventors: Shenglang Shu; Bin You - Web page: https://patentgrep.com/patent/US12184120B2 ## CPC - H02K 1/165: {Shape, form or location of the slots} - H02K 3/12: arranged in slots - H02K 3/28: Layout of windings or of connections between windings (windings for pole-changing H02K17/06, H02K17/14, H02K19/12, H02K19/32) - H02K 15/064: Windings consisting of separate segments - H02K 2213/03: Machines characterised by numerical values, ranges, mathematical expressions or similar information - H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53}) ## Abstract A stator module is applicable to a motor. The motor comprises z slots, 2p poles, and m phases, where z, p, and m are integers. The stator module includes a stator core and a stator winding. The stator core has multiple stator slots, and the stator slots are distributed in a circumferential direction of the stator core. The stator winding includes a first-class conductor segment, a second-class conductor segment, and a third-class conductor segment. A pitch between a first in-slot portion and a second in-slot portion of the first-class conductor segment is (y−1) stator slots, a pitch between a first in-slot portion and a second in-slot portion of the second-class conductor segment is y stator slots, and a pitch between a first in-slot portion and a second in-slot portion of the third-class conductor segment is (y+1) stator slots, where y is an integer and y=z/2p. ## Claims ### Claim 1 A stator module, applicable to a motor, wherein: the motor comprises z slots, 2p poles, and m phases, wherein z, p, and m are integers; and the stator module comprises a stator core and a stator winding, the stator core has a plurality of stator slots, the stator slots are distributed in a circumferential direction of the stator core, the stator winding includes a first-class conductor segment, a second-class conductor segment, and a third-class conductor segment, a pitch between a first in-slot portion and a second in-slot portion of the first-class conductor segment is (y−1) stator slots, a pitch between a first in-slot portion and a second in-slot portion of the second-class conductor segment is y stator slots, and a pitch between a first in-slot portion and a second in-slot portion of the third-class conductor segment is (y+1) stator slots, wherein y is an integer and y=z/2p. ### Claim 2 (depends on 1) The stator module according to claim 1, wherein the first-class conductor segment and the third-class conductor segment are located in a first side slot layer, the second-class conductor segment is located in a second side slot layer and in a middle slot layer, the middle slot layer is located between the first side slot layer and the second side slot layer. ### Claim 3 (depends on 2) The stator module according to claim 2, wherein the second-class conductor segment comprises an intra-layer conductor segment and an inter-layer conductor segment, a first in-slot portion and a second in-slot portion of the inter-layer conductor segment are located between two adjacent middle slot layers. ### Claim 4 (depends on 3) The stator module according to claim 3, wherein the first in-slot portion and the second in-slot portion of the third-class conductor segment are located in the first side slot layer, an end of a third-class conductor segment and an end of an inter-layer conductor segment are connected and crossing toward a same direction. ### Claim 5 (depends on 1) The stator module according to claim 1, wherein two welding ends of at least one second-class conductor segment are disposed close to each other and coincide in a radial direction of the stator core. ### Claim 6 (depends on 1) The stator module according to claim 1, wherein two welding ends of the first-class conductor segment tilt in a first direction, two welding ends of the intra-layer conductor segment tilt in a second direction, and the first direction and the second direction are opposite to each other. ### Claim 7 (depends on 1) The stator module according to claim 1, wherein each of the conductor segments includes a bent portion, and a first in-slot portion and a second in-slot portion of the conductor segment are connected to the bent portion in a first end of an axial direction of the stator module, and each of the conductor segments extends out of the stator core and forms a welding end in a second end of the axial direction, wherein the first end of the axial direction is close to the bent portion and the second end of the axial direction is away from the bent portion. ### Claim 8 (depends on 7) The stator module according to claim 7, wherein the stator winding includes a star point line which is located on the welding end. ### Claim 9 A motor, comprising a stator module, wherein: the motor comprises z slots, 2p poles, and m phases, wherein z, p, and m are integers; and the stator module comprises a stator core and a stator winding, the stator core has a plurality of stator slots, the stator slots are distributed in a circumferential direction of the stator core, the stator winding includes a first-class conductor segment, a second-class conductor segment, and a third-class conductor segment, a pitch between a first in-slot portion and a second in-slot portion of the first-class conductor segment is (y−1) stator slots, a pitch between a first in-slot portion and a second in-slot portion of the second-class conductor segment is y stator slots, and a pitch between a first in-slot portion and a second in-slot portion of the third-class conductor segment is (y+1) stator slots, wherein y is an integer and y=z/2p. ### Claim 10 (depends on 9) The motor according to claim 9, wherein the first-class conductor segment and the third-class conductor segment are located in a first side slot layer, the second-class conductor segment is located in a second side slot layer and in a middle slot layer, the middle slot layer is located between the first side slot layer and the second side slot layer. ### Claim 11 (depends on 10) The motor according to claim 10, wherein the second-class conductor segment comprises an intra-layer conductor segment and an inter-layer conductor segment, a first in-slot portion and a second in-slot portion of the inter-layer conductor segment are located between two adjacent middle slot layers. ### Claim 12 (depends on 11) The motor according to claim 11, wherein the first in-slot portion and the second in-slot portion of the third-class conductor segment are located in the first side slot layer, an end of a third-class conductor segment and an end of an inter-layer conductor segment are connected and crossing toward a same direction. ### Claim 13 (depends on 10) The motor according to claim 10, wherein two welding ends of the first-class conductor segment tilt in a first direction, two welding ends of the intra-layer conductor segment tilt in a second direction, and the first direction and the second direction are opposite to each other. ### Claim 14 (depends on 9) The motor according to claim 9, wherein two welding ends of at least one second-class conductor segment are disposed close to each other and coincide in a radial direction of the stator core. ### Claim 15 (depends on 9) The motor according to claim 9, wherein each of the conductor segments includes a bent portion, and a first in-slot portion and a second in-slot portion of the conductor segment are connected to the bent portion in a first end of an axial direction of the stator module, and each of the conductor segments extends out of the stator core and forms a welding end in a second end of the axial direction, wherein the first end of the axial direction is close to the bent portion and the second end of the axial direction is away from the bent portion. ### Claim 16 (depends on 15) The motor according to claim 15, wherein the stator winding includes a star point line which is located on the welding end.