公开(公告)号：US20240178710A1

公开(公告)日：2024-05-30

申请号：US18398484

申请日：2023-12-28

Applicant: EVR MOTORS LTD

Inventor： Oleg Gaspar ,  Victor Kislev ,  Ruslan Shabinski ,  Eliyahu Rozinsky

IPC: H02K1/18 ,  H02K1/02 ,  H02K1/14 ,  H02K1/2786 ,  H02K21/22 ,  H02K1/16 ,  H02K1/20 ,  H02K1/2793 ,  H02K3/12 ,  H02K3/14 ,  H02K3/28 ,  H02K3/487 ,  H02K3/493 ,  H02K3/50 ,  H02K3/52 ,  H02K5/18 ,  H02K9/19 ,  H02K9/22

CPC classification number: H02K1/187 ,  H02K1/02 ,  H02K1/14 ,  H02K1/146 ,  H02K1/2786 ,  H02K21/22 ,  H02K1/165 ,  H02K1/185 ,  H02K1/20 ,  H02K1/2793 ,  H02K3/12 ,  H02K3/14 ,  H02K3/28 ,  H02K3/487 ,  H02K3/493 ,  H02K3/50 ,  H02K3/525 ,  H02K5/18 ,  H02K9/19 ,  H02K9/22 ,  H02K9/227 ,  H02K2201/03

Abstract: An electric machine includes a plurality of electromagnetic coils arranged circumferentially about the axis of rotation. Each coil defines a trapezoidally-shaped and tapered coil opening. The electric machine also includes a plurality of yokes that extend in an axial direction and a plurality of teeth. At least one of the plurality of yokes is tapered in the axial direction, and at least one tooth extends from each of the plurality of yokes. The plurality of teeth are each tapered in a radial direction to enable the plurality of teeth to fit within a corresponding trapezoidally-shaped and tapered coil opening.

公开(公告)号：US11374444B2

公开(公告)日：2022-06-28

申请号：US17493126

申请日：2021-10-04

Applicant: EVR MOTORS LTD

Inventor： Victor Kislev ,  Ruslan Shabinski ,  Eliyahu Rozinsky

IPC: H02K1/18 ,  H02K1/02 ,  H02K1/2786 ,  H02K1/14 ,  H02K21/22 ,  H02K3/493 ,  H02K3/28 ,  H02K3/12 ,  H02K1/16 ,  H02K1/2793 ,  H02K5/18 ,  H02K3/487 ,  H02K3/14 ,  H02K3/50 ,  H02K9/22 ,  H02K1/20 ,  H02K3/52 ,  H02K9/19

Abstract: A method of fabricating a coil for mounting on a tooth of a stator or a rotor of an electric machine includes winding a wire about a mandrel to form a coil having a first shape corresponding to the shape of the mandrel. The method may also include removing the coil having the first shape from the mandrel, and applying a mechanical force on the coil to change the shape of the coil from the first shape to a second shape. The second shape may correspond to the shape of the tooth. The method may also include mounting the coil of the second shape on the tooth.

公开(公告)号：US11349359B2

公开(公告)日：2022-05-31

申请号：US17480543

申请日：2021-09-21

Applicant: EVR MOTORS LTD

Inventor： Victor Kislev ,  Oleg Gaspar ,  Ruslan Shabinski ,  Eliyahu Rozinsky

IPC: H02K1/27 ,  H02K1/02 ,  H02K1/2786 ,  H02K1/2793

Abstract: A radial flux electric machine includes an inner stator and an outer rotor configured to rotate about the stator. The outer rotor may include a rotor base and a plurality of annularly arranged permanent magnets axially extending from the rotor base parallel to an axis of rotation of the rotor. A cylindrical core may extend from the rotor base encircling the plurality of permanent magnets. The core may be formed of a Soft Magnetic Composite (SMC). A sleeve may encircle the rotor. The sleeve may support the cylindrical core and the cylindrical core may support the plurality of permanent magnets. The cylindrical core may be positioned radially between the sleeve and the plurality of permanent magnets.

公开(公告)号：US11322994B2

公开(公告)日：2022-05-03

申请号：US17480408

申请日：2021-09-21

Applicant: EVR MOTORS LTD

Inventor： Victor Kislev ,  Oleg Gaspar ,  Ruslan Shabinski ,  Eliyahu Rozinsky

IPC: H02K1/14 ,  H02K5/18 ,  H02K9/22 ,  H02K9/19

Abstract: A radial flux electric machine includes a rotor configured to rotate about an axis of rotation and a stator. At least one of the rotor or the stator may include a plurality of teeth annularly arranged about the axis of rotation. The electric machine may also include a plurality of electromagnetic coils. Each coil of the plurality of electromagnetic coils may have a non-uniform trapezoidal cavity therethrough. Each cavity may be configured to contain therein one tooth of the plurality of teeth. Each tooth of the plurality of teeth may be formed of multiple pieces that, when assembled together correspond to a shape of the non-uniform trapezoidal cavity.

公开(公告)号：US20220094243A1

公开(公告)日：2022-03-24

申请号：US17492997

申请日：2021-10-04

Applicant: EVR MOTORS LTD

Inventor： Victor Kislev ,  Oleg Gaspar ,  Ruslan Shabinski ,  Eliyahu Rozinsky

IPC: H02K9/22 ,  H02K5/18 ,  H02K21/22

Abstract: An electric machine includes a rotor configured to rotate about an axis of rotation, a stator having a plurality of teeth annularly arranged on a stator core about the axis of rotation, a plurality of electromagnetic coils, and a base plate. Each coil of the plurality of electromagnetic coils may be mounted on a separate tooth of the plurality of teeth, and the base plate may be located adjacent to the plurality of electromagnetic coils and the stator core. The base plate may be in thermal contact with the plurality of electromagnetic coils and the stator core such that as the plurality of electromagnetic coils and the stator core heat during operation, the base plate is configured to serve as a common heat sink for the plurality of electromagnetic coils and the stator core.

公开(公告)号：US20220094221A1

公开(公告)日：2022-03-24

申请号：US17493041

申请日：2021-10-04

Applicant: EVR MOTORS LTD

Inventor： Victor Kislev ,  Oleg Gaspar ,  Ruslan Shabinski ,  Eliyahu Rozinsky

IPC: H02K1/20 ,  H02K3/52 ,  H02K5/18

Abstract: An electric machine includes a rotor configured to rotate about an axis of rotation, a stator having a stator core and a plurality of teeth annularly arranged on the stator core about the axis of rotation, a plurality of electromagnetic coils, and a base plate. Each coil of the plurality of electromagnetic coils may be mounted on a separate tooth of the plurality of teeth. The base plate may be located adjacent to the plurality of electromagnetic coils and the stator core. The base plate may have a first side and an opposing second side. The first side may be in thermal contact with the plurality of electromagnetic coils and the stator core. A liquid-coolant channel may be defined on the second side of the base plate such that as the coils and the stator core heats during operation, the base plate is configured to transfer the heat to a liquid coolant in the liquid-coolant channel to dissipate heat from the plurality of electromagnetic coils and the stator core.

公开(公告)号：US20220094215A1

公开(公告)日：2022-03-24

申请号：US17480408

申请日：2021-09-21

Applicant: EVR MOTORS LTD

Inventor： Victor Kislev ,  Oleg Gaspar ,  Ruslan Shabinski ,  Eliyahu Rozinsky

IPC: H02K1/14 ,  H02K5/18

Abstract: A radial flux electric machine includes a rotor configured to rotate about an axis of rotation and a stator. At least one of the rotor or the stator may include a plurality of teeth annularly arranged about the axis of rotation. The electric machine may also include a plurality of electromagnetic coils. Each coil of the plurality of electromagnetic coils may have a non-uniform trapezoidal cavity therethrough. Each cavity may be configured to contain therein one tooth of the plurality of teeth. Each tooth of the plurality of teeth may be formed of multiple pieces that, when assembled together correspond to a shape of the non-uniform trapezoidal cavity.