Johnson Electric S.a.

Johnson Electric International Ag

Huawei Technologies Co., Limited

National University of Singapore

The Hong Kong University of Science and Technology

Yue Li

Yong Qing Wang

Chui You Zhou

Yong Li

Mao Xiong Jiang

Jian Zhao

Bao Ting Liu

Shing Hin Yeung

Yan Yun Cui

En Hui Wang

Shu Juan Huang

Ya Ming Zhang

Jie Chai

Tao Zhang

Yun Long Jiang

Chun Fai Wong

Guang Jie Cai

Gang Li

Wei Zhang

Wei Jiang

Jing Shi

Ying Chen

Xiaolong Guo

Li Sheng Liu

Xiao Ling Chen

Xing Zhang

Yong Zhang

Zhenxing Hu

Fei Xin

Chi Ping Sun

Xiu Wen Yang

Ken Wong

Hui Min Guo

Shu Zuo Lou

Xiao Ning Zhu

Jin Yun Gan

Yan Hong Xue

Hong Jian Zhang

Ming Ju Chen

Qiang Zhou

Yan Fei Liao

Chuiyou Zhou

Yun Chen

Ji Dong Chai

Xiaojun Yan

Lixin Jiang

Yong Gang Zhang

Youqing Xiang

Minghua Xiong

Hai Jun Hua

Hai Hui Xiang

Min Li

Jian Wu

Jing Ning Ta

Moola Mallikarjuna Reddy

Nan Zheng

Hong Wei Zhang

Ke Lin Zhou

Wen Liang Li

Maoxiong Jiang

Ying Song Ye

Hong Jiang Zhao

Bin Liu

Fei Li

James Ching Sik Lau

Benzhong Tang

Xiao Zhang

Hong Liu

Hai Jun Wang

Hua Wang

Yu Chan Yang

Wing Yip Lam

Kwong Yip Poon

Ji Cheng Pan

Chuan Hui Fang

Jun Jie Chu

Kok Ang Chong

Yong Bin Li

Chiping Sun

Guihua Li

Qiu Mei Li

Hong Min Wei

San Yuan Xiao

Xiao Yuan

Zhi Jun Wang

Gang Peng

Shujuan Huang

Shinghin Yeung

Hong Yi

Liang Guan

Joseph Youqing Xiang

Baoting Liu

Shi Huang

Awade Badafem

Yu Guo

Hong Yu Ding

Yong Song

You Qing Xiang

Xiao Bing Zuo

A single phase permanent magnet motor includes a stator and a rotor. The stator includes a stator corer and windings. The stator corer includes a yoke portion and stator teeth. Each stator tooth includes a winding portion and a pole shoe connected to an end of the winding portion. Each pole shoe includes a pole face. The pole face defines a first positioning notch at a middle thereof. Each of the pole faces further defines at least one second positioning notch. Said at least one second positioning notches in one of pole shoe are located at the same side of the first positioning notch of the corresponding one pole shoe. The first and second positioning notches are configured such that an initial position of the rotor received in the space of the stator is offset from a dead point position.

Single phase permanent magnet motor

The present invention relates to a motor, a circuit board and an engine cooling module including the motor. The motor includes a stator and a rotor. The stator includes a control module and a heat sink. The control module includes a circuit board and heat generating electronic components mounted on the circuit board. A bottom surface of the circuit board faces the heat sink. The heat generating electronic components are mounted on a top surface of the circuit board. Metal heat conducting members are embedded inside the circuit board at positions corresponding to the heat generating electronic components, and extend along a thickness direction of the circuit board. The heat generated by the heat generating electronic components is conducted from the top surface of the circuit board to the bottom surface of the circuit board. The present invention improves the heat dissipation effect of the motor.

Motor, circuit board, and engine cooling module including the motor

The present disclosure relates to a motor, a circuit board and an engine cooling module including the motor. The motor includes a stator, the stator includes a control module and a heat sink, the control module includes a circuit board and a plurality of heat generating electronic components mounted on a top surface of the circuit board, a plurality of ceramic heat conducting members is embedded inside the circuit board at positions facing the heat generating electronic components, and the heat sink is attached on a bottom surface of the circuit board. The motor has improved heat dissipation effect.

A motor includes a stator, a rotor rotatable relative to the stator, a circuit board fixed to the stator, and a heat sink disposed on the circuit board, a side surface of the circuit board facing the heat sink has an insulating region and a metal heat dissipation region without solder mask. The thermal resistance between the circuit board and the heat sink can be reduced by the metal heat dissipation region, thereby improving the heat dissipation of the circuit board.

Motor

A motor includes a mounting bracket; a stator mounted to one of opposite sides of the mounting bracket; a rotor is rotatably supported on the stator; and a control unit the other of the opposite sides of the mounting bracket away from the stator. The control unit includes a plate-shaped heat dissipating member fixed to the mounting to the mounting bracket, and a circuit board attached to a side of the heat dissipating member away from the mounting bracket. A seal is formed between a periphery of the heat dissipating member and the mounting bracket.

Motor and blower using the motor

A motor includes a stator, a rotor rotatable relative to the stator, a support member, and a circuit assembly. The circuit assembly includes a plurality of electronic components. The rotor is rotatably mounted to the support member. The stator is received in the rotor. The stator is fixed to the support member, and the support member is at least partially received in an inner side of the stator. A portion of the support member received in the inner side of the stator defines a receiving space, and at least part of the electronic components of the circuit assembly is received in the receiving space of the support member. The support member is partially received in the inner side of the stator, and the circuit assembly is at least partially received in the support member, which makes the motor have a relatively smaller axial size.

Outer rotor motor having support member

A magnetic core for an electric motor has a ring-shaped yoke, teeth extending outwardly from the yoke, and a tooth tip extending from a distal end of each tooth. The core is formed from curved or coils strip laminations having teeth arranged in tooth groups. Each group has four tooth types arranged sequentially. Each tooth has left and right half tooth tips. The length of the half tooth tips vary according to tooth type. When assembled, first type tooth overlap with third type teeth and second type teeth overlap with fourth type teeth, whereby the opening of the winding slot is narrowed compared to laminations having all identical teeth.

Method of making a magnetic core with tooth having overlapping short and long teeth distal ends

The present teaching relates to a magnetic sensor residing in a housing. The magnetic sensor includes an input port and an output port, both extending from the housing, wherein the input port is to be connected to an external alternating current (AC) power supply. The magnetic sensor also includes an electric circuit which comprises an output control circuit coupled with the output port and configured to be at least responsive to a magnetic induction signal and the external AC power supply to control the magnetic sensor to operate in a state in which a load current flows through the output port. The magnetic induction signal is indicative of at least one characteristic of an external magnetic field detected by the electrical circuit and the operating frequency of the magnetic sensor is positively proportional to the frequency of the external AC power supply.

Magnetic sensor and an integrated circuit

A single phase motor includes a rotor including magnetic poles and a stator comprising a stator core and a winding wound on the stator core. The stator core includes a plurality of stator teeth each including a tooth body and a tooth end formed at an end of the tooth body, the tooth end comprising first and second arcuate regions facing the rotor. When the winding is not energized, a first magnetic coupling between said first arcuate region and a selected magnetic pole of said rotor is greater than a second magnetic coupling between said second arcuate region and the selected magnetic pole, said first arcuate region being offset from a selected tooth body in such a way as to enable movement of said rotor to initiate in either of two opposite directions relative to said selected tooth body upon energizing the winding.

Single-phase motor

Embodiments of the present invention provide a remote electrical tilt unit, a base station, and a method for managing a remote electrical tilt antenna. The method includes: receiving, by the remote electrical tilt unit, permission configuration information sent by a first base station through a group of AISG ports of the remote control unit; configuring management permission of the first base station on the remote electrical tilt unit according to the permission configuration information, where the management permission includes at least control permission and query permission, and control permission on the remote electrical tilt unit can be allocated to only one base station. In this way, multiple base stations jointly manage a remote electrical tilt unit in a remote electrical tilt antenna, and a problem that it is difficult to locate and troubleshoot a fault when configuration of the remote electrical tilt unit is incorrect is resolved.

Remote electrical tilt unit, base station, and method for managing remote electrical tilt antenna

A magnetic core of an electric motor includes a central portion and a plurality of teeth extending outwardly from the central portion, the teeth disposed along a circumferential direction of the central portion. Each tooth includes a tooth body, two neck portions and two crown portions, the neck portions respectively connecting the crown portions to the tooth body, the two crown portions respectively extending beyond opposite sides of the tooth body. Each of the two neck portions of each tooth has a minimum width which is 0.1&#x2dc;0.3 times of the width of the tooth body. The present invention further provides an electric motor that employs the magnetic core which can increase the peak value of the cogging torque of the motor.

Electric motor and magnetic core thereof

A magnetic sensor integrated circuit, a motor component and an application apparatus are provided. The integrated circuit includes: an input port, an output port, a magnetic field detection circuit and an output control circuit. The magnetic field detection circuit detects an external magnetic field and outputs magnetic field detection information. The output control circuit enables, at least based on the magnetic field detection information, the integrated circuit to switch at least between a first state, in which a current flows from the output port to an outside of the integrated circuit, and a second state, in which a current flows from the outside of the integrated circuit to the output port.

Magnetic sensor integrated circuit, motor component and application apparatus

A single phase permanent magnet motor includes a stator core, windings wound around the stator core, and a permanent magnet rotor. The stator core includes an end portion and two spaced arm portions. Each arm portion includes a connecting arm connected to the end portion and a pole claw formed at a distal end of the connecting arm. The two pole claws define a space for receiving the rotor. The pole claws surround the space and form an arc pole surface. The arc pole surface is recessed to form a startup groove located at a central axis of the pole claw. The two pole claws are spaced apart to form two slot openings there between. A line connecting the two slot openings is orthogonal to the central axis of the pole claw.

Single phase permanent magnet motor and stator core thereof

A single phase permanent magnet motor includes a stator and a rotor. The stator includes a stator core and a stator winding. The stator core includes an outer yoke, teeth extending inwardly from the outer yoke, and pole shoes extending from inner ends of the teeth. The rotor is received in a space cooperatively defined by the pole shoes. The rotor includes circumferentially arranged permanent magnetic poles. An outer circumferential surface of the permanent magnetic poles is concentric with an inner circumferential surface of the pole shoes, such that a uniform air gap is formed between the pole shoes and magnetic poles. The single phase permanent magnet motor forms the uniform air gap, which reduces the vibration and noise. The pole shoes form invisible positioning slots, which avoids the negative effect of the positioning slots to the thickness of the air gap and reduces the startup dead point.

A motor includes a housing, a stator and a rotor. The stator is disposed in the housing. The rotor is rotatably supported on the stator. The motor further includes a shock absorbing member and a fastener. The fastener extends through the shock absorbing member and the stator, and the fastener is fixedly connected to the housing. The motor of the present invention operates with low noise. The present invention further provides a fluid delivery device using the motor.

Motor and fluid delivery device comprising same

Growing community of inventors

Hong Kong, China

Yue Li