Gree Electric Appliances, Inc. of Zhuhai

Gree Green Refrigeration Technology Center Co., Ltd. of Zhuhai

Zhuhai Kaibang Motor Co., Ltd.

Chengbao Zhong

Yusheng Hu

Fang Zhang

Fang Xie

Xiaobo Zhang

Yang Wang

Gao Gong

Jianning Liu

Jinxin Jia

Siyuan Tian

Guanghai Li

Changguang Guo

Shengyu Xiao

Na Liu

Zhong Cui

Yuli Peng

Feilong Chen

Chuang Zhang

Wende Yang

Xi Zhou

Zhongfu Cheng

Zhenzhen Tian

Jiajia Gu

A speed reducer and a robot are disclosed. The speed reducer includes a rigid wheel, a flexible wheel and a flexible bearing; the rigid wheel is provided with a first fitting position and an inner wheel tooth set; the outer peripheral surface of a peripheral wall of the flexible wheel is provided with an outer wheel tooth set; in the axial direction of the rigid wheel, the tooth top of the outer wheel tooth set is provided with a first length, and the tooth root of the outer wheel tooth set is provided with a second length; the tooth top of the inner wheel tooth set is provided with a third length; the flexible bearing is provided with a fourth length; the second length and the third length are both greater than the first length, and the fourth length is greater than the second length.

Speed reducer and robot

The present disclosure provides a motor rotor and a permanent magnet motor. The motor rotor includes a rotor body. In a section perpendicular to a central axis of the rotor body, a first slot side has a first and a second endpoint, and a second slot side has a third and a fourth endpoint. A distance from a connecting line between the first endpoint and the third endpoint to a center of the rotor body is denoted by h1, a radius of the rotor body is denoted by R, and h1 and R satisfy 0.96&#x2264;h1/R&#x2264;0.99. A connecting line between the first endpoint and the center of the rotor body is a first connecting line, a connecting line between the third endpoint and the center of the rotor body is a second connecting line, and an included angle between the two connecting lines is denoted &#x3a6; and satisfies: 3.7&#xb0;&#x2264;&#x3a6;&#x2264;5.6&#xb0;.

Motor rotor and permanent magnet motor

A phase deviation compensation method and device are provided. The method may include: a first sine analog signal and a first cosine analog signal are acquired; the first sine analog signal is converted to a corresponding first sine digital signal, and the first cosine analog signal is converted to a corresponding first cosine digital signal; a sampler is controlled to sample the first sine analog signal and the first cosine analog signal according to variations of pulse edges of the first sine digital signal and the first cosine digital signal, to acquire at least one sine sampled signal and at least one cosine sampled signal; a phase deviation is determined; and phase compensation is performed on the at least one sine sampled signal and the at least one cosine sampled signal according to the phase deviation.

Phase deviation compensation method and apparatus

The present disclosure relates to a stator assembly of a magnetic suspension bearing and a manufacturing method, wherein the stator assembly includes stator cores, coils and two stator core frames, two of the stator core frames being respectively engaged at both ends of the stator core along an axial direction thereof, wherein a concave portion is provided at an engaged end of one of the stator core frames, and a convex portion is provided at an engaged end of the other of the stator core frames, the concave portion and the convex portion are engaged with each other, and each of the coils is wound correspondingly to teeth of the stator cores.

Stator assembly of a magnetic suspension bearing and manufacturing method

Growing community of inventors

Guangdong, China

Chengbao Zhong