公开(公告)号：US20150303753A1

公开(公告)日：2015-10-22

申请号：US14693450

申请日：2015-04-22

Applicant: Johnson Electric S.A.

Inventor： Ning HUANG ,  James Ching Sik LAU ,  Bhoopal PONNUVELU

IPC: H02K1/30 ,  B29C45/14 ,  H02K15/03 ,  H02K1/27 ,  H02K9/06

CPC classification number: H02K1/30 ,  H02K1/185 ,  H02K1/2786 ,  H02K1/28 ,  H02K5/04 ,  H02K9/06 ,  H02K11/33 ,  H02K15/03

Abstract: An outer rotor for a brushless motor has an end plate; a shaft fixed to a rotary center of the end plate; and an annular rotor core having one end connected to the end plate. A plurality of connecting bars connect the rotor core to the end plate. Permanent magnets are fixed to an inner surface of the rotor core. The end plate has an outer diameter equal to or less than the outer diameter of the rotor core. The end plate has a base plate, an annular sidewall, and a plurality of fan blades interconnecting the base plate and the sidewall. There are openings between the fan blades. The end plate is insert molded to the shaft and the connecting bars.

Abstract translation: 无刷电动机的外转子具有端板; 固定到端板的旋转中心的轴; 以及环形转子铁芯，其一端连接到端板。 多个连接杆将转子芯连接到端板。 永磁体固定在转子铁芯的内表面上。 端板的外径等于或小于转子芯的外径。 端板具有基板，环形侧壁和互连基板和侧壁的多个风扇叶片。 风扇叶片之间有开口。 端板插入模制到轴和连接杆。

公开(公告)号：US20150280509A1

公开(公告)日：2015-10-01

申请号：US14674834

申请日：2015-03-31

Applicant: Johnson Electric S.A.

Inventor： Hai Feng SHI ,  Yue ZOU ,  James Ching Sik LAU ,  Yiu Wah Andy CHEUNG

IPC: H02K3/38 ,  H02K5/14

CPC classification number: H02K3/38 ,  H02K5/14 ,  H02K5/148 ,  H02K5/225

Abstract: An electric motor has a stator, a rotor rotatable with respect to the stator, motor windings, a connection plate electrically connected to the motor windings, and a power lead for connecting the motor to a power source. The power lead is connected to the connection plate by an electrical connection and by a separate mechanical connection. The mechanical connection protects the electrical connection from vibration or movement which may otherwise break the electrical connection.

Abstract translation: 电动机具有定子，可相对于定子旋转的转子，电动机绕组，电连接到电动机绕组的连接板以及用于将电动机连接到电源的电源线。 电源线通过电气连接和单独的机械连接连接到连接板。 机械连接保护电气连接免受振动或运动，否则可能会破坏电气连接。

公开(公告)号：US20170149314A1

公开(公告)日：2017-05-25

申请号：US15361202

申请日：2016-11-25

Applicant: Johnson Electric S.A.

Inventor： James Ching Sik LAU ,  Duncan Yiu Lung WONG ,  Chun Kit CHEUNG

IPC: H02K13/00 ,  H02K7/116

Abstract: A motor driving assembly includes a motor. The motor includes an outer housing, and a rotor and a brush holder received in the outer housing. The rotor includes a rotary shaft extending out of the outer housing. A commutator is fixed on a shaft portion of the rotary shaft within the outer housing. Brushes for contacting the commutator are disposed on the brush holder. A visible identification mark fixed relative to the rotary shaft is disposed outside the outer housing of the motor, such that a relative position between the brushes and the commutator in a rotational direction of the rotary shaft is identifiable by reference to a position of the visible identification mark relative to the outer housing in the rotational direction of the rotary shaft. As such, the commutator can be prevented from stalling at a position where arcing noise may be easily generated.

公开(公告)号：US20150364975A1

公开(公告)日：2015-12-17

申请号：US14741115

申请日：2015-06-16

Applicant: JOHNSON ELECTRIC S.A.

Inventor： James Ching Sik LAU ,  Ting HE ,  Cheong Wing YUEN ,  Yu Ying LI ,  Yang Qing HOU

IPC: H02K9/22 ,  H02K9/04

CPC classification number: H02K9/22 ,  H02K5/20 ,  H02K9/06 ,  H02K9/28

Abstract: A rotor for an electric motor has a shaft, a rotor core and rotor windings. The rotor core is fixed to the shaft and has a number of teeth. A winding slot is formed between adjacent teeth. The rotor includes a heat sink made of a thermally conductive material. The heat sink includes two annular portions and a plurality of connecting members connecting the two annular portions. The annular portions are located at respective axial ends of the rotor core. The connecting members are disposed in respective winding slots and are thermally connected with the rotor windings.

Abstract translation: 用于电动机的转子具有轴，转子芯和转子绕组。 转子芯固定在轴上并具有多个齿。 在相邻的齿之间形成绕线槽。 转子包括由导热材料制成的散热器。 散热器包括两个环形部分和连接两个环形部分的多个连接部件。 环形部分位于转子芯的相应的轴向端部处。 连接构件设置在相应的卷绕槽中并与转子绕组热连接。

公开(公告)号：US20140292163A1

公开(公告)日：2014-10-02

申请号：US14226624

申请日：2014-03-26

Applicant: Johnson Electric S.A.

Inventor： James Ching Sik LAU ,  Xiaojun YANG

IPC: H02K9/06 ,  H02K9/22

CPC classification number: H02K9/06 ,  H02K5/18 ,  H02K9/14 ,  H02K9/22

Abstract: A motor (10) comprises a stator (30) and a rotor (50) configured to rotate inside the stator (30). A heat sink (40) has a base portion (42) disposed around and thermally connected to an outer surface of the stator (30) and a plurality of cooling fins (44) extending from the base portion (42). A centrifugal fan (70) is attached to one end of an output shaft (52) of the rotor (50), positioned such that the heat sink (40) is near an axial end of the fan (70). During operation, the centrifugal fan (70) generates an air flow over the heat sink (40), thus providing cooling for the motor (10).

Abstract translation: 电动机（10）包括定子（30）和构造成在定子（30）内旋转的转子（50）。 散热器（40）具有设置在定子（30）的外表面周围并热连接的基部（42）和从基部（42）延伸的多个散热片（44）。 离心式风扇70安装在转子（50）的输出轴（52）的一端，定位成使散热片（40）靠近风扇（70）的轴向端。 在操作期间，离心风扇（70）在散热器（40）上产生空气流，从而为电动机（10）提供冷却。

公开(公告)号：US20130229071A1

公开(公告)日：2013-09-05

申请号：US13786024

申请日：2013-03-05

Applicant: JOHNSON ELECTRIC S.A.

Inventor： James Ching Sik LAU ,  Xiao Jun YANG ,  Cheong Wing YUEN ,  Yu Ying LI ,  Yang Qing HOU

IPC: H02K5/18

CPC classification number: H02K5/18 ,  H02K5/08 ,  H02K9/22

Abstract: An electric motor has a stator, a shaft and a rotor. The stator has an annular yoke portion; a plurality of stator teeth inwardly extending from the yoke portion; stator windings wound on the stator teeth; and a molded member made of heat conductive plastic material. The molded member has a plurality of fins arranged on an outer wall of the yoke portion, a covering portion disposed in the spaces between adjacent stator teeth, and two connecting portions respectively located at axially outer end faces of the yoke portion and connected to the covering portion and the fins. The covering portion covers an inner wall of the yoke portion and the stator windings, and connects to the fins via the connecting portions. Heat generated by the stator windings is transmitted to the fins via the covering portion and the connecting portions, where it is dissipated.

Abstract translation: 电动机具有定子，轴和转子。 定子具有环形轭部; 从轭部向内延伸的多个定子齿; 定子绕组缠绕在定子齿上; 以及由导热塑料材料制成的模制件。 模制构件具有设置在轭部的外壁上的多个翅片，设置在相邻的定子齿之间的空间中的覆盖部分和分别位于轭部的轴向外端面处并连接到覆盖物的两个连接部分 部分和翅片。 覆盖部分覆盖磁轭部分的内壁和定子绕组，并且经由连接部分连接到散热片。 由定子绕组产生的热量经由覆盖部分和连接部分被传递到翅片，在那里它被消散。