公开(公告)号：US12081073B2

公开(公告)日：2024-09-03

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：US20220094216A1

公开(公告)日：2022-03-24

申请号：US17480452

申请日：2021-09-21

Applicant: EVR MOTORS LTD

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

IPC: H02K1/14 ,  H02K5/18 ,  H02K21/22

Abstract: A radial flux electric machine includes a rotor configured to rotate about an axis of rotation, a plurality of electromagnetic coils, and a stator. The stator may include an annular stator ring extending about the axis of rotation and a plurality of multi-part teeth circumferentially arranged on the stator ring. Each multi-part tooth of the plurality of multi-part teeth may include a core tooth-portion integrally formed with the stator ring and at least one additional tooth-portion separate from the stator ring. Each coil of the plurality of electromagnetic coils may be mounted on a different multi-part tooth of the plurality of multi-part teeth such that each coil surrounds a corresponding core tooth-portion of the multi-part tooth with a gap between the coil and the core tooth-portion. The at least one additional tooth-portion may be disposed in the gap.

公开(公告)号：US11594920B2

公开(公告)日：2023-02-28

申请号：US17882947

申请日：2022-08-08

Applicant: EVR MOTORS LTD

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

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

Abstract: A liquid-cooled rotating electric machine may include an inner stator and outer rotor configured to rotate about the stator. A hub may be disposed within the inner stator and a heat exchanger may be disposed in the hub. The heat exchanger may be configured to enable the flow a liquid through it to dissipate heat from the stator.

公开(公告)号：US11451099B2

公开(公告)日：2022-09-20

申请号：US17493089

申请日：2021-10-04

Applicant: EVR MOTORS LTD

Inventor： Victor Kislev ,  Oleg Gaspar ,  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 assembling a coil on an irregular-shaped multi-part tooth of an electric machine may include inserting at least one wedge-portion of the multi-part tooth into an opening of the coil such that a broader end of the at least one wedge-portion extends out of the opening in the coil. The method may also include mounting the coil with the inserted at least one wedge-portion on a core tooth-portion of the multi-part tooth such that the broader end of the at least one wedge-portion remains extended out of the opening in the coil, exerting a force on the broader end of the at least one wedge-portion to tighten the coil on the multi-part tooth.

公开(公告)号：US11355985B2

公开(公告)日：2022-06-07

申请号：US17492997

申请日：2021-10-04

Applicant: EVR MOTORS LTD

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

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

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：US11336132B2

公开(公告)日：2022-05-17

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 ,  H02K5/18 ,  H02K3/52

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：US20240048008A1

公开(公告)日：2024-02-08

申请号：US18382583

申请日：2023-10-23

Applicant: EVR MOTORS LTD

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

IPC: H02K1/18 ,  H02K1/02 ,  H02K1/2786 ,  H02K1/14 ,  H02K21/22

CPC classification number: H02K1/187 ,  H02K1/02 ,  H02K1/2786 ,  H02K1/146 ,  H02K21/22 ,  H02K1/14 ,  H02K3/493

Abstract: An electric machine may include an stator and a rotatable rotor. At least one of the stator or the rotor may include a plurality of multi-part trapezoidal teeth with an electromagnetic coil disposed around each tooth.

公开(公告)号：US11489379B2

公开(公告)日：2022-11-01

申请号：US17480510

申请日：2021-09-21

Applicant: EVR MOTORS LTD

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

IPC: H02K1/02 ,  H02K1/14 ,  H02K1/18 ,  H02K1/2786 ,  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 radial flux electric machine includes a rotor configured to rotate about an axis of rotation, a plurality of electromagnetic coils, and a stator. The stator may have an annular stator ring and a plurality of core tooth-portions extending in a radial direction. The annular stator ring and the plurality of core tooth-portions may be integrally formed of a Soft Magnetic Composite (SMC). The SMC may include one or more isotropic ferromagnetic materials, a magnetic saturation induction of greater than or equal to about 1.6 Tesla, and an electrical resistivity greater than 10 micro-ohm/m.

公开(公告)号：US11489378B2

公开(公告)日：2022-11-01

申请号：US17480452

申请日：2021-09-21

Applicant: EVR MOTORS LTD

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

IPC: H02K1/02 ,  H02K1/14 ,  H02K1/18 ,  H02K1/2786 ,  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 radial flux electric machine includes a rotor configured to rotate about an axis of rotation, a plurality of electromagnetic coils, and a stator. The stator may include an annular stator ring extending about the axis of rotation and a plurality of multi-part teeth circumferentially arranged on the stator ring. Each multi-part tooth of the plurality of multi-part teeth may include a core tooth-portion integrally formed with the stator ring and at least one additional tooth-portion separate from the stator ring. Each coil of the plurality of electromagnetic coils may be mounted on a different multi-part tooth of the plurality of multi-part teeth such that each coil surrounds a corresponding core tooth-portion of the multi-part tooth with a gap between the coil and the core tooth-portion. The at least one additional tooth-portion may be disposed in the gap.

公开(公告)号：US11296572B1

公开(公告)日：2022-04-05

申请号：US17480373

申请日：2021-09-21

Applicant: EVR MOTORS LTD

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

IPC: H02K3/493 ,  H02K3/28 ,  H02K3/12 ,  H02K1/16

Abstract: A radial flux electric machine includes a rotor configured to rotate about an axis of rotation and a stator fixedly positioned proximate the rotor. At least one of the rotor or the stator may include a plurality of teeth annularly arranged about the axis of rotation. Each tooth of the plurality of teeth may extend in a radial direction such that a plurality of cross-sectional areas of each tooth in a plurality of planes perpendicular to the radial direction may vary. And perimeters of the plurality of cross-sections may be substantially the same across the plurality of perpendicular planes.