公开(公告)号：US20240235302A1

公开(公告)日：2024-07-11

申请号：US18612371

申请日：2024-03-21

Applicant: DELTA ELECTRONICS, INC.

Inventor： CHING-HSIEN YEH ,  CHIH-WEI CHAN

IPC: H02K1/30 ,  F04D25/06 ,  F04D29/28 ,  H02K21/22

CPC classification number: H02K1/30 ,  F04D25/06 ,  F04D29/281 ,  H02K21/22

Abstract: A thin-plate motor includes a motor shell and a driving device. The driving device is disposed in the motor shell, and the driving device includes a stator structure and a rotor structure. The rotor structure is disposed corresponding to the stator structure. The rotor structure includes a rotor shell and a magnetic structure. The magnetic structure is disposed on an inner wall of the rotor shell. The stator magnetic pole group magnetically drives the magnetic structure as well as the rotor shell to rotate. At least one notch is provided along an inner wall of the base body in an axial direction.

公开(公告)号：US20240186853A1

公开(公告)日：2024-06-06

申请号：US17759979

申请日：2021-09-22

Applicant: HENGDIAN GROUP DMEGC MAGNETICS CO., LTD

Inventor： Fenghua Weng ,  Xiangliang Wu ,  Leyang Weng

IPC: H02K1/30 ,  H02K1/278 ,  H02K15/03

CPC classification number: H02K1/30 ,  H02K1/278 ,  H02K15/03 ,  H02K2213/03

Abstract: Provided are a permanent-magnet motor rotor, a permanent-magnet motor and a method for processing a permanent-magnet motor rotor, relating to the field of motor technology. The permanent-magnet motor rotor includes a rotatable shaft, a silicon steel sheet member and a plurality of magnetic tiles. The silicon steel sheet member is sleeved on the rotatable shaft. The plurality of magnetic tiles are secured around the silicon steel sheet member at intervals. Two circumferential ends of each of the plurality of magnetic tiles are inclined with respect to the axis of the each of the plurality of magnetic tiles and inclined in directions opposite to each other to form two beveled surfaces. Beveled surfaces, facing to each other, of two adjacent ones of the plurality of magnetic tiles are disposed in parallel.

公开(公告)号：US11988420B2

公开(公告)日：2024-05-21

申请号：US17574813

申请日：2022-01-13

Applicant: DANFOSS A/S

Inventor： Tianli Zhang ,  Jin Yan

IPC: F25B31/02 ,  F04D25/06 ,  H02K1/30 ,  H02K5/20 ,  H02K9/06

CPC classification number: F25B31/026 ,  F04D25/06 ,  H02K1/30 ,  H02K5/207 ,  H02K9/06

Abstract: In some aspects, the techniques described herein relate to a refrigerant compressor, including: an impeller; a shaft; a motor configured to rotate the impeller via the shaft, wherein the motor includes a stator and a rotor; and a housing surrounding the motor, wherein the housing includes a first inlet configured to permit fluid to enter the housing and flow along a stator cooling line and a second inlet configured to permit fluid to enter the housing and flow a rotor cooling line, and wherein the first inlet is separate from the second inlet.

公开(公告)号：US20240162772A1

公开(公告)日：2024-05-16

申请号：US18509817

申请日：2023-11-15

Applicant: ebm-papst Mulfingen GmbH & Co. KG

Inventor： Johannes VOHMANN ,  Michael RUETTLER ,  Andre HEMMANN

IPC: H02K1/30

CPC classification number: H02K1/30

Abstract: A rotor (10) with a rotor pot (1), a hub (2) and a shaft (3) are provided,

wherein the rotor pot (1), the hub (2) and the shaft (3) are rotatable about an axis of rotation (A) of the rotor (10).


The shaft (3) is accommodated in a hub bushing (21) of the hub (2) to form a shaft-hub connection.
The rotor pot (1) has a receptacle (11) for the hub (2) and the hub (2) is secured to the rotor pot (1) at least in the region of the receptacle (11).
An edge portion (111) of the receptacle (11) of the rotor pot (1) extends at least partially parallel to the axis of rotation (A).
A method is also provided for producing the rotor (10).

公开(公告)号：US20240136895A1

公开(公告)日：2024-04-25

申请号：US18537203

申请日：2023-12-12

Applicant: Electromechanical Engineering Associates, Inc.

Inventor： Jason Sinkhorn ,  J. Barry SARGEANT ,  Lauren HALEY ,  Thomas SCHILDKAMP

IPC: H02K15/00 ,  F03B13/08 ,  F16C43/02 ,  G01N29/04 ,  H02K1/30 ,  H02K7/18

CPC classification number: H02K15/0006 ,  F03B13/083 ,  F16C43/02 ,  G01N29/043 ,  H02K1/30 ,  H02K7/1823 ,  F05B2230/80 ,  F16C17/04 ,  F16C2360/00 ,  G01N2291/0289

Abstract: A method for repairing an electric generator having a rotor that rotates about a vertical axis, the rotor including a spider having a number of spider arms extending radially away from the axis, and a rim surrounding the spider. The weight of the rim is normally carried at least in part by rim support ledges of the spider arms. The method for repair includes supporting the rim from the top of the spider and thereby relieving some or all of the weight of the rim being supported by the rim support ledges.

公开(公告)号：US20240128819A1

公开(公告)日：2024-04-18

申请号：US17966525

申请日：2022-10-14

Applicant: BETA AIR, LLC

Inventor： Manon Danielle Belzille ,  Stephen Widdis

IPC: H02K1/30 ,  B64C27/32 ,  H02K1/2783 ,  H02K9/22 ,  H02K15/03 ,  H02K21/16

CPC classification number: H02K1/30 ,  B64C27/32 ,  H02K1/2783 ,  H02K9/227 ,  H02K15/03 ,  H02K21/16 ,  B64C29/0008

Abstract: A rotor for a motor of an electric aircraft is provided. The rotor includes a retention band surrounding a plurality of magnets. The retention band is designed to retain the magnets in their positions and provide a way for heat to dissipate from the magnets. The retention band may also reduce eddy currents found within the rotor. A method of manufacturing a rotor with a retention band is also provided.

公开(公告)号：US11962199B2

公开(公告)日：2024-04-16

申请号：US17666522

申请日：2022-02-07

Applicant: NIDEC CORPORATION

Inventor： Tomoya Ueda ,  Toshiyuki Sasaki

IPC: H02K1/30 ,  H02K1/27 ,  H02K1/278 ,  H02K1/28 ,  H02K7/116 ,  H02K21/16

CPC classification number: H02K1/30 ,  H02K1/278 ,  H02K1/28 ,  H02K7/116 ,  H02K21/16

Abstract: A rotor includes a shaft, a cylindrical rotor core, a connector, magnets and a cover. The shaft extends along a central axis. The rotor core surrounds the shaft. The connector is provided radially inside the rotor core and connects the rotor core and the shaft. The magnets are provided radially outside the rotor core along a circumferential direction. The cover is provided radially outside the magnets. The connector includes a cylindrical body surrounding the shaft and a flange. The flange extends radially outward from one axial end of the body and faces the magnets in the axial direction. The cover includes a peripheral surface and an eave. The peripheral surface faces the magnets in a radial direction. The eave extends radially inward from an other axial end of the peripheral surface and faces the magnets in the axial direction.

公开(公告)号：US11920287B2

公开(公告)日：2024-03-05

申请号：US17466656

申请日：2021-09-03

Applicant: LG Electronics Inc.

Inventor： Hyuksoo Lee ,  Hongjun Cho ,  Hyojun Kim ,  Yangguk Hwang ,  Hyeonjoong Kim ,  Oshin Kwon ,  Minji Kim ,  Yeonju Lee

IPC: D06F58/20 ,  D06F58/02 ,  D06F58/08 ,  H02K1/30 ,  H02K7/08 ,  H02K7/116 ,  H02K7/14 ,  H02K9/06 ,  H02K21/22

CPC classification number: D06F58/20 ,  D06F58/02 ,  D06F58/08 ,  H02K1/30 ,  H02K7/085 ,  H02K7/116 ,  H02K7/14 ,  H02K9/06 ,  H02K21/22

Abstract: A dryer includes a drum including a drum body, a front cover with a drum inlet, and a rear cover with an air inlet, a fixing panel that has a first cooling hole and a second cooling hole, a motor configured to rotate the drum, where the fixing panel further defines supply holes arranged along a circumferential surface of the motor and configured to guide air to the air inlet, a supply duct fixed to the fixing panel and configured to guide air to the supply holes, where the supply duct defines an accommodating space that accommodates the motor, and a duct cover that connects together the first cooling hole, the accommodating space, and the second cooling hole and that is configured to circulate air through the first cooling hole, the accommodating space, and the second cooling hole to thereby cool the motor.

公开(公告)号：US20240072589A1

公开(公告)日：2024-02-29

申请号：US17893900

申请日：2022-08-23

Applicant: FORD GLOBAL TECHNOLOGIES, LLC

Inventor： Matthew SCHMITT

IPC: H02K1/30 ,  B60L50/60 ,  H02K1/276 ,  H02K7/00

CPC classification number: H02K1/30 ,  B60L50/60 ,  H02K1/276 ,  H02K7/006 ,  B60K6/26

Abstract: A rotor is disclosed for an eMachine of an electric vehicle. The rotor includes a plurality of laminations stacked together to form a motor core. The laminations define a plurality of shaft segment openings and a plurality of magnet retaining openings that are axially aligned, and extend parallel to an axis of rotation of the motor core. A plurality of shaft segments are received in the shaft segment openings that extend through the plurality of laminations. A first end and a second end of the shaft segments extend to opposite axial ends of the plurality of laminations that are stacked together to form the motor core. A first end cap and a second end cap are secured with fasteners to the first ends and the second ends of the shaft segments, respectively.

公开(公告)号：US11916443B2

公开(公告)日：2024-02-27

申请号：US17307398

申请日：2021-05-04

Applicant: AUDI AG

Inventor： Moritz Lux ,  Peter Suess ,  Lars Wetterau

IPC: H02K1/30 ,  H02K1/32

CPC classification number: H02K1/32 ,  H02K1/30

Abstract: A rotor for an electric machine, comprising a rotor shaft and a laminated core arranged on it, comprising multiple metal plates arranged in axial succession and lying against each other, as well as at least one coolant duct running through the laminated core, wherein the laminated core is axially clamped by at least one clamping means, wherein the clamping means shoved onto the rotor shaft comprises at least one axially braced spring element and at least one tolerance compensation disk.